San Marcos Historic Weather Records
Analyse hottest, coldest, windiest & wettest days

San Marcos Weather Trend Graph

Temperature (°C)

Months

Months	Historic Min Temp.	Min Temp.	Forecasted Min Temp.	Historic Max Temp.	Max Temp.	Forecasted Max Temp.
	6	5		14.04375	21.4
	4.76875	10.8		11.7125	30.1
	4.71875	11.7		14.424999999999999	23.6
	5.468750000000001	5.3		15.275	17.8
	5.7562500000000005	8.8		16.80625	17.1
	4.84375	15.4		14.775	26
	5.0375	14.5		14.6875	22
	5.706250000000001	17.9		14.24375	23.5
	6.0249999999999995	14.2		14.106250000000001	19.2
	5.78125	7.9		14.84375	16.8
	5.54375	3.2		16.375	15.4
	5.46875	4		15.337499999999999	14.2
	5.225	9.8		14.281249999999998	14.4
	5.449999999999999	3.6		14.899999999999999	19.8
Jan.	7.125000000000001	2.8		14.543749999999998	18.5
	5.8187500000000005	5.2		15.693749999999998	23.5
	5.6937500000000005	5.9		16.90625	9.7
	6.7562500000000005	-0.3		17.58125	19.3
	6.95625	2.3		17.0125	21.4
	6.581250000000001	5.6		15.9125	10.2
	6.80625	8		15.525000000000002	14.6
	6.375	7.7		16.96875	21.2
	6.237500000000001	12.3		15.368749999999999	18.1
	6.887499999999999	1.3		16.45	17.2
	7.09375	-3.2		17.8625	-0.5
	7.8687499999999995	-4.3		17.725	4.5
	7.906249999999999	-4.5		17.037499999999998	7
	7.9375	-1.2		16.724999999999998	12.6
	6.41875	-0.3		17.912499999999998	17.5
	6.7875	0.9		16.90625	11.6
	7.94375	-0.5		17.843749999999996	6.8
	8.212499999999999	-3.2		18.937500000000004	12.8
	7.09375	1.9		16.39375	14.8
	7.231249999999999	10.7		14.812499999999998	19.1
	7.793750000000001	5.5		17.156249999999996	15.4
	6.487500000000001	2.8		16.081249999999997	19.3
	7.44375	6		17.05625	27.1
	6.86875	9.4		17.39375	24.4
	7.34375	10.2		18.15625	18.5
	7.5875	14.3		17.525	23.2
	6.76875	14.4		16	21.3
	6.1625000000000005	13.3		14.218750000000002	16.7
	5.4437500000000005	10.6		15.475	21.3
	4.7749999999999995	15.1		15.65625	22.9
	6.7562500000000005	16.7		18.8125	19.2
Feb.	8.725	12.7		19.243750000000002	21.4
	7.493750000000001	9		18.224999999999998	24.5
	7.03125	13.9		17.199999999999996	21.9
	7.3375	16.3		18.23125	21.1
	7.906250000000002	18.3		17.33125	27.6
	9.36875	17.2		19.34375	24.7
	10.6125	16.3		20.2375	28.1
	9.443750000000001	4.5		19.3625	19.2
	9.075000000000001	4.2		19.8875	18.5
	8.90625	3.7		19.25625	23.7
	7.44375	12.6		17.9625	26.3
	7.937499999999999	12.6		17.76875	31.7
	9.7375	18.1		19.86875	26.4
	9.35625	15.2		20.456250000000004	26.3
	9.700000000000001	15.9		19.8875	21.9
	8.725	15.6		20.05	19
	8.4625	17.8		20.343750000000004	27.9
	10.012500000000001	19.6		20.662499999999998	28
	9.29375	19.2		19.7375	26.8
	9.1125	19.1		20.64375	27.3
	10.1125	13.2		21.150000000000002	25.9
	12.056250000000002	13		20.2375	14.6
	12.237499999999999	13.8		21.687500000000004	26.3
	11.375	19.9		21.499999999999996	25.4
	11.10625	19.3		20.7625	29.3
	10.725	7.8		22.075	20.2
	10.75625	6.4		22.849999999999998	26.6
	11.46875	11.3		23.8125	24.7
Mar.	12.681249999999999	15.9		23.3	26.2
	13.299999999999999	5.2		23.900000000000002	13.4
	13.200000000000003	3.4		23.593750000000004	20.3
	13.7375	4.2		23.987499999999997	25.4
	13.00625	8.9		23.256249999999998	28.4
	11.162500000000001	11.9		21.118750000000006	33
	10.531250000000002	14.4		21.8875	31.1
	12.36875	15.6		22.637500000000003	31.2
	12.962499999999999	16.5		24.5125	26.2
	14.256250000000001	16		24.75625	27.2
	12.756250000000001	17.7		24.64375	28
	12.93125	17.5		25.03125	29.4
	13.362499999999997	17.3		25.193749999999998	22.3
	14.050000000000002	10.6		24.3125	14
	13.093749999999998	13.4		24.4	27.9
	13.38125	17		24.243750000000006	29.9
	14.193750000000001	17.8		24.850000000000005	28.3
	14.46875	21.5		26.312499999999996	34.3
	15.243749999999999	21.1		26.0875	30.5
	14.83125	22		25.39375	32.1
	14.187499999999998	14.5		24.79375	25.1
	12.875000000000002	12.2		23.950000000000006	23.1
	13.512500000000001	9.9		24.28125	25.8
	13.031250000000002	9.1		24.337499999999995	27.4
	13.975	13.1		26.2125	29.3
	14.98125	17.3		27.1875	28.6
	15.412499999999998	18.1		26.6375	26.7
	14.106250000000001	20.1		25.13125	29.1
	14.806249999999999	21		27.006249999999998	26.4
	15.593749999999998	21.6		26.618750000000002	30.1
	14.112499999999999	21.3		24.843749999999996	32.4
Apr.	14.737499999999999	21.4		25.14375	31
	14.525	20.9		25.093749999999996	32.8
	15.3	21.1		25.28125	31.1
	15.456250000000002	14.3		25.243750000000002	21.9
	15.162500000000001	9.4		25.175000000000004	25.5
	15.2375	12.9		26.03125	17.6
	15.187499999999998	14.9		26.08125	17.5
	15.51875	17		25.574999999999996	27
	16.1	19.8		26.399999999999995	26.6
	15.375	22.7		26.168750000000003	33.5
	16.275	22.5		28.025	34.1
	17.21875	22.6		28.150000000000002	31.6
	17.1125	23.6		27.98125	32.7
	17.19375	24.2		29.06875	34.1
	17.2125	19.8		27.7	29.7
	17.95	16.6		27.399999999999995	25.3
	16.912499999999998	13.7		28.162499999999998	17.1
	16.299999999999997	10.2		26.318750000000005	23.7
	16.5125	10.4		27.58125	27.2
	16.00625	15.2		27.5375	29.2
	16.418750000000003	20.6		28.675	28.4
	17.3625	17		29.687500000000004	26.3
	18.131249999999998	15.6		29.95	25.1
	18.700000000000003	15.6		29.2125	27.6
	19.3625	22		28.631249999999998	34.5
	18.95	19		28.525000000000002	33.7
	18.8125	17.9		28.84375	26.7
	17.9875	16.4		28.1	32.3
	17.543750000000003	16.6		27.775000000000002	34.2
	17.987499999999997	17.1		28.650000000000002	33.6
May	18.218749999999996	20.3		28.95	34.2
	18.95625	21.8		29.318749999999998	33.8
	19.268749999999997	24.1		30.26875	31.8
	19.94375	23.1		30.749999999999996	33.1
	19.962500000000002	23.3		30.34999999999999	32
	20.8	21.4		30.412499999999998	29.8
	19.525	21.2		29.837500000000006	29.1
	19.668750000000003	17.5		29.675	31.4
	20.8125	19		29.7875	30.6
	20.56875	18.5		29.981250000000003	33.6
	20.86875	20.2		30.418749999999996	30.5
	20.787499999999998	19.1		30.968749999999996	31.6
	21.24375	17.4		31.687500000000004	27.5
	21.44375	15.9		31.799999999999997	32.6
	21.237500000000004	21.8		31.262499999999996	34.6
	21.206250000000004	22.2		31.349999999999998	34.1
	21.381249999999998	21.5		31.14375	33.8
	21.068749999999998	22.7		31.75625	34.6
	20.9375	23.5		31.3625	36.2
	20.974999999999998	21		30.968750000000007	32
	21.099999999999998	21.7		31.681250000000006	28.9
	21.01875	22.9		32.268750000000004	32.5
	21.475	23.2		33.125	35
	21.84375	24.9		33.09375	33.2
	21.6875	25.4		32.7125	32.9
	22.10625	23.6		32.80625	33.6
	21.862500000000004	24.6		33.31875	34
	21.918750000000003	25.7		33.0875	36.2
	22.15625	25.1		33.831250000000004	35.2
	22.474999999999998	24.3		33.5	36
	22.7	25.6		33.775	33.4
Jun.	23.012500000000003	22.6		34.125	30.2
	22.89375	22.7		33.74375	30.7
	22.900000000000006	23.5		34.15625	32.8
	22.931250000000002	23.6		34.3	37.5
	23.08125	27.1		33.775	33.9
	22.943749999999994	22.1		33.099999999999994	29.7
	22.925	23.4		33.69375	31.8
	22.925	26.1		33.34375	36.6
	23.093749999999996	26.1		34.012499999999996	36.5
	22.737499999999997	25.3		32.9875	36.2
	22.668749999999996	23.1		33.581250000000004	36.1
	22.781250000000007	24.6		33.7125	35.4
	23.0625	25.1		33.78125	37
	22.918750000000006	25.7		34.2	37.3
	23.237499999999997	26		33.931250000000006	37.8
	23.325000000000003	25.3		33.5875	37.5
	23	24.9		33.58125	37.9
	23.068749999999998	24		33.39375	37.2
	23.1875	24.1		33.862500000000004	38
	23.231250000000003	24.7		33.55624999999999	38.3
	23.018749999999997	24.6		34.168749999999996	37.3
	23.05	23.8		34.2375	38.8
	23.343750000000004	23.8		33.87499999999999	38.8
	23.174999999999997	24.2		33.887499999999996	38.7
	23.581249999999994	23.7		33.9125	38.8
	23.3375	22.5		34.849999999999994	35.8
	23.468750000000004	24.6		35.068749999999994	35.7
	23.606250000000003	24.2		35.012499999999996	35.9
	23.456249999999997	24.8		35.25625	34.5
	23.56875	22.5		35.587500000000006	30.8
Jul.	23.65	23.5		35.09375	28.2
	23.262500000000003	23.1		35.14375	32.7
	22.98125	23.8		34.91250000000001	34.9
	23.318749999999998	24.4		34.86874999999999	36.9
	23.24375	25.4		34.90625	37.9
	23.518749999999997	23.9		35.4375	37.7
	23.537499999999998	23.9		35.50625	39.3
	23.7	24.6		35.56249999999999	41.3
	23.868750000000002	26.2		35.9375	38.9
	23.737499999999997	25		35.5125	36.4
	23.29375	24.7		34.96875	37.1
	23.5	23.7		34.974999999999994	37.4
	23.643749999999997	24.1		34.55000000000001	38.2
	23.54375	24.6		35.2625	38.5
	23.300000000000004	25.8		35.806250000000006	38.5
	23.85625	25.8		36.11875	39.5
	23.743750000000002	25.1		36.15	39.3
	23.71875	25.2		36.43125	39.3
	23.943749999999998	24.4		36.09375	39.6
	23.787500000000005	23		36.14375	40.1
	24.112499999999997	26.2		35.90625	39.7
	24.006249999999998	25		36.1	39.1
	23.881249999999998	25.7		36.01875	39.5
	24.075	26		36.324999999999996	39.1
	24.16875	23		36.89999999999999	38.6
	24.137499999999996	24.4		37.16250000000001	37.1
	24.318749999999998	24.7		37.25	38.4
	24.63125	25.7		36.95625	39.7
	24.75	26.4		36.8375	39.9
	24.35625	25.7		37.00625000000001	40.5
	24.631249999999998	26		36.53125	38.9
Aug.	24.45	26.2		35.54375	39.9
	24.475		21.8	36.20625		40.2
	24.44375		23.7	36.525		40
	24.35625		23.8	36.324999999999996		39.7
	24.537500000000005		23.3	35.712500000000006		40.1
	24.150000000000002		22.4	35.58125		40.2
	24.137499999999996		23.6	35.8125		40.6
	24.36875		23	35.83125000000001		35.5
	24.05625		22.9	35.41875		31.9
	24.2625		24.3	35.925000000000004		35.8
	24.243750000000002		24.3	34.981249999999996		35.1
	24.081249999999997		24.1	34.4		34.4
	23.818749999999998		23.6	34.231249999999996		34.6
	23.462500000000006		23.7	34.975		35.2
	23.906249999999996		24	35.29375		35.2
	23.824999999999996		23.7	34.64375		34.6
	23.8		23.9	34.65625000000001		34.6
	23.843749999999996		23.8	34.59375		34.6
	23.875000000000004		23.7	34.831250000000004		34.6
	23.7875		23.5	33.6375		33.8
	23.406250000000004		23.5	33.86250000000001		33.5
	23.237499999999997		23	33.39375		33.5
	22.893749999999997		23	32.8375		33.3
	22.54375		22.7	32.3125		32.5
	22.6375		22.3	33.699999999999996		33.1
	21.874999999999996		21.3	32.39375		32
	21.16875		21.1	32.21875		31.5
	21.1625		21.3	32.224999999999994		32
	21.33125		21.8	32.49374999999999		32.7
	21.668749999999996		21.7	32.34375		31.9
	21.70625		21.7	32.425		31.6
Sep.	21.912499999999998		21.7	31.624999999999996		31.8
	22.118750000000002			31.950000000000006
	22.156250000000004			32.118750000000006
	22.381249999999998			32.44375
	22.5375			32.79375
	22.225			32.375
	22.01875			32.556250000000006
	21.356250000000003			31.924999999999997
	20.924999999999997			31.61875
	21.20625			32.3
	21.38125			32.2375
	21.025			31.799999999999997
	20.4125			30.449999999999996
	20.099999999999998			31.224999999999998
	20.031249999999996			30.531249999999996
	19.60625			30.431250000000006
	19.25			30.862499999999997
	19.262500000000003			30.662499999999998
	19.05			29.831249999999997
	18.881249999999998			30.281249999999993
	18.825000000000003			30.606250000000003
	19.1875			30.487499999999997
	19.06875			29.99375
	18.35625			29.4125
	18.037499999999998			29.493750000000002
	18.349999999999998			29.749999999999996
	17.431249999999995			29.025
	18.306250000000002			30.106250000000003
	19.150000000000002			29.712500000000002
	18.737499999999997			30.01875
Oct.	16.837500000000002			29.89375
	15.649999999999999			26.456250000000004
	14.712499999999999			25.037499999999998
	15.037500000000001			25.868750000000002
	15.212499999999999			26.65625
	16.00625			28.349999999999998
	16.9125			28.106249999999996
	17.081250000000004			27.356250000000006
	17.218749999999996			27.575
	16.65			27.181249999999995
	16.4375			26.275
	16.081250000000004			27.256249999999998
	14.89375			26.11875
	14.45625			23.74375
	12.5375			23.28125
	12.18125			23.037500000000005
	12.475000000000001			23.268750000000004
	12.100000000000001			23.68125
	13.0125			24.23125
	13.606250000000001			23.325000000000003
	14.212499999999997			24.15
	14.906249999999998			24.275000000000002
	14.98125			24.281249999999996
	13.600000000000001			23.787500000000005
	13.043750000000001			22.125
	11.731250000000001			21.35
	12.7375			21.693749999999998
	12.03125			22.18125
	10.96875			19.96875
	9.656250000000002			17.875
	9.85			18.787499999999998
Nov.	10.96875			21.056250000000002
	11.549999999999999			21.974999999999998
	11.600000000000001			22.6125
	11.024999999999999			20.9375
	10.55			20.387500000000003
	11.9625			21.475
	12.925			20.95
	10.156249999999998			19.949999999999996
	10.2875			20.81875
	10.593749999999998			20.593749999999996
	10.50625			20.1875
	9.925			18.9
	8.231250000000001			17.95625
	8.925			18.6
	10.049999999999999			19.09375
	9.6875			19.181250000000002
	8.712499999999997			18.55625
	9.43125			19.450000000000003
	10.587499999999999			19.35
	10.64375			18.54375
	9.087499999999999			18.331249999999997
	7.887500000000001			15.725
	6.375			15.487499999999999
	7.325			17.09375
	8.762500000000001			18.8125
	8.037500000000001			18.831249999999997
	7.537500000000001			17.01875
	8.75625			17.081249999999997
	8.6			17.69375
	8.875			18.787499999999998
Dec.	9.899999999999999			18.768749999999997
	9.31875			16.94375
	8.875			17.3375
	7.1625			17.468750000000004
	7.78125			17.075
	8.618749999999999			17.106250000000003
	8.4			17.825
	7.268750000000001			18.89375
	7.89375			16.68125
	8.90625			18.025000000000002
	8.737499999999999			17.237500000000004
	9.68125			17.8
	8.15625			17.50625
	7.581250000000001			16.168749999999996
	8.506250000000001			17.199999999999996
	7.637499999999999			16.6375
	6.8066666666666675			16.92

Max Temp.

Historic Max Temp.

Min Temp.

Historic Min Temp.

Yearly Summary 2026

41°C

Highest Temp

22 Jul. 26

-4°C

Lowest Temp

27 Jan. 26

Seasonal Breakdown

Hottest MonthAugust39.29°C

Coldest MonthJanuary5.48°C

Wettest MonthMay5.37mm

Windiest MonthAugust29.28km/h

San Marcos Climate Change InsightsSee how climate patterns are evolving over time. Temperature shifts, rainfall trends, and extreme events—all in one place.

Weather City Ranking GloballyExplore Real time of the world’s hottest & Coldest Cities based on current temperature data.

Frequently Asked Questions

1. What is the hottest month in San Marcos historically?

August is historically San Marcos's hottest month, with average maximum temperatures around 36°C. During peak heatwave events, the highest recorded temperatures have reached 43°C on 2023-08-27.

2. What is the coldest month in San Marcos historically?

January is San Marcos's coldest month, with average minimum temperatures around 6°C. The all-time record low of -15°C was recorded on 2021-02-16.

3. What is the average annual rainfall in San Marcos over the past 17 years?

San Marcos's average annual rainfall is approximately 1126.01mm, based on records spanning 17 years.

4. How many rainy days does San Marcos experience on average per year?

San Marcos historically records approximately 171.1 rainy days per year. May has the highest number of rain days at an average of 19.6 days.

5. What is the all-time highest temperature ever recorded in San Marcos?

The all-time highest temperature recorded in San Marcos is 43°C on 2023-08-27.

6. What is the all-time lowest temperature ever recorded in San Marcos?

The all-time lowest temperature recorded in San Marcos is -15°C on 2021-02-16.

7. What is the windiest time of year in San Marcos historically?

San Marcos experiences its strongest winds during March. The historic gust record of 51.5 kph was recorded on 2026-03-15.

8. What is the highest and lowest humidity in San Marcos during a year?

Usually, San Marcos's humidity peaks in May at around 76.2% and drops to its lowest in August at approximately 61.2%.

Recent Blogs On Weather

See all blogs

San Marcos Historic Weather Records
Analyse hottest, coldest, windiest & wettest days

San Marcos Weather Trend Graph

Yearly Summary 2026

Seasonal Breakdown

Frequently Asked Questions

Recent Blogs On Weather

World Top 10 Hottest Cities Are All in India Again - May 2026

Delhi Air Quality 2026 vs 6-Year Historical PM2.5 Data

What 17 Years of Delhi Temperature Data Reveal About May's Heatwave Escalation

World Top Hottest Cities Belong to India - April 2026

Construction Air Pollution: The Invisible Hazard Reshaping India's Urban Air

Kitchen Air Pollution: How Cooking Can Spike Your Indoor AQI

Mumbai Air Quality Comparison of 2025 Vs 2026 (Jan-Feb)

Why AQI Standards Vary Across the World - And Why Air Quality Index Matters More Than Ever

Why Winter Suffocates and Monsoon Saves Delhi Air Quality 2025?

Winter vs Summer Air: Why Air Pollution Behaves So Differently Across Seasons

San Marcos Historic Weather RecordsAnalyse hottest, coldest, windiest & wettest days

San Marcos Weather Trend Graph

Yearly Summary 2026

Seasonal Breakdown

Frequently Asked Questions

Recent Blogs On Weather

World Top 10 Hottest Cities Are All in India Again - May 2026

Delhi Air Quality 2026 vs 6-Year Historical PM2.5 Data

What 17 Years of Delhi Temperature Data Reveal About May's Heatwave Escalation

World Top Hottest Cities Belong to India - April 2026

Construction Air Pollution: The Invisible Hazard Reshaping India's Urban Air

Kitchen Air Pollution: How Cooking Can Spike Your Indoor AQI

Mumbai Air Quality Comparison of 2025 Vs 2026 (Jan-Feb)

Why AQI Standards Vary Across the World - And Why Air Quality Index Matters More Than Ever

Why Winter Suffocates and Monsoon Saves Delhi Air Quality 2025?

Winter vs Summer Air: Why Air Pollution Behaves So Differently Across Seasons

San Marcos Historic Weather Records
Analyse hottest, coldest, windiest & wettest days