Santa Rosa Historic Weather Records
Analyse hottest, coldest, windiest & wettest days

Santa Rosa Weather Trend Graph

Temperature (°C)

Months

Months	Historic Min Temp.	Min Temp.	Forecasted Min Temp.	Historic Max Temp.	Max Temp.	Forecasted Max Temp.
	17.456249999999997	17.1		30.075000000000003	41.3
	17.35	14		30.6	34.6
	17.662499999999998	9.4		30.931249999999995	28.6
	17.64375	12.8		31.18125	34.3
	18.49375	15.2		31.0625	38.5
	18.275	21		31.475	29.6
	18.8625	16.8		32.050000000000004	34.4
	19.41875	14.8		32.625	25.7
	19.25	17.4		31.612499999999994	34.3
	17.743750000000002	16.7		31.031250000000004	36
	18.6625	19.7		31.556249999999995	40.4
	18.231250000000003	21.6		32.175	38.3
	19.106250000000003	17.3		32.03124999999999	36.1
	18.706249999999997	21.3		32.775	41.7
Jan.	18.54375	18.2		32.625	33.4
	19.075	13.2		32.03750000000001	38.5
	18.475	21		30.5875	40.8
	17.46875	13.1		31.75625	31.1
	18.362499999999997	13.7		31.61875	33.7
	18.9375	18.2		32.381249999999994	37.7
	19.8375	19.5		32.881249999999994	37.1
	19.868750000000002	21.2		33.125	39.5
	20.206249999999997	19.8		33.050000000000004	40.1
	20.025000000000002	21.5		31.568750000000005	40.2
	18.306250000000002	20.8		30.84375	39.8
	18.1125	18.6		31.349999999999998	33.9
	18.5875	16.7		32.28125	37
	19.374999999999996	21.6		32.618750000000006	36.4
	19.35625	23.4		32.787499999999994	39.5
	19.98125	22.9		31.918750000000003	39.8
	18.343750000000004	18.6		30.956250000000004	37.4
	18.33125	20.6		31.59375	39.4
	19.49375	23		31.150000000000002	38.9
	18.6	19.8		30.98125	32.5
	17.775000000000002	18.5		30.6375	32.5
	18.59375	15.9		29.981250000000003	30.8
	18.287499999999998	13.4		31.59375	33.3
	19.150000000000002	13.3		31.268750000000004	35.1
	18.45625	15.2		30.487499999999997	37.9
	18.03125	17		30.250000000000004	32.4
	18.112499999999997	21.6		30.462500000000002	36.4
	17.45	12.7		29.999999999999996	26.7
	17.25625	14		29.456250000000004	29.3
	16.468750000000004	10		28.406249999999996	29.7
	16.4625	17.3		30.349999999999994	35
Feb.	18.250000000000004	17.4		31.237499999999997	32
	18.8375	20.1		30.28125	37
	17.224999999999998	19		29.381250000000005	36
	16.474999999999998	19		29.39375	34.9
	16.7625	16.6		29.05624999999999	32.7
	16.643750000000004	13.8		28.7375	34
	17.475	20.9		28.793749999999996	28.7
	17.637499999999996	18.7		29.525	28.5
	17.725	18.5		29.412499999999998	32.1
	16.768749999999997	17		28.1625	26.9
	15.856250000000001	9.9		27.168750000000006	27.2
	15.2125	11.7		27.25625	30.2
	16.375	17.1		29.593750000000004	31
	17.337500000000002	18.1		29.9125	32.5
	17.44375	21.3		29.206250000000004	37.4
	17.462499999999995	18.9		29.143749999999997	28.8
	17.33125	12.8		28.56875	29.4
	17.425	18.7		29.037499999999998	29.1
	17.14375	13.9		29.556250000000002	28
	17.2375	16.2		28.431249999999995	24.2
	17.30625	15.8		28.906250000000004	27.8
	17.8	19.8		28.781250000000004	26.5
	17.037499999999998	16.2		28.168750000000006	28.1
	16.11875	14.6		27.718750000000004	30.3
	15.068749999999998	16.5		26.71875	31.9
	15.068750000000003	18.4		27.037500000000005	32.8
	15.28125	19.6		26.025000000000002	32.1
	15.15	17.7		26.481249999999996	26.6
Mar.	14.499999999999998	18.1		24.86875	31.1
	14.6	15.7		26.243750000000006	27.7
	15.331249999999999	15.7		25.68125	23.6
	14.4	12.8		24.437500000000004	27.2
	14.30625	17.9		25.237499999999997	32.3
	14.156250000000002	16.2		25.825	20.3
	12.8375	13		24.093750000000004	22.1
	12.95	12.3		25.281249999999996	24.2
	14.1125	8.9		26.068749999999998	21.1
	13.9875	12.2		24.40625	27
	14.068750000000001	10		24.14375	22.8
	12.631250000000001	13.5		23.20625	27.3
	13.38125	15.2		25.099999999999994	29.4
	14.718749999999998	16.7		27.112499999999997	28.3
	15.006249999999998	19.9		26.85	32.1
	14.781249999999998	21.9		25.9625	35.3
	14.168750000000001	20.3		24.587500000000002	36
	13.74375	20.1		22.86875	25.9
	13.7625	16.6		23.45625	28.3
	12.731249999999998	14.6		22.799999999999997	27.1
	12.993750000000002	8.6		23.362499999999997	19
	13.23125	6.7		23.887500000000003	17.6
	13.043749999999998	10.5		23.78125	14.3
	13.8875	12		23.962499999999995	20.8
	13.05	11.1		23.106249999999996	21.8
	13.618750000000002	10.5		23.875	23.7
	13.893749999999997	10.9		21.925000000000004	25.9
	12.43125	12.7		21.375000000000004	24.3
	10.74375	11.9		20.187500000000004	25.6
	11.2125	14.1		20.04375	26.2
	11.40625	15.8		20.506249999999994	28.3
Apr.	11.200000000000001	12.2		21.73125	25.2
	11.850000000000001	13		21.81875	26.3
	11.993749999999997	14.7		22.08125	20.2
	11.83125	14.8		22.66875	25.8
	12.474999999999998	10.5		23.387500000000003	18.1
	12.51875	9.5		22.531250000000007	11
	11.618750000000002	8.7		22.400000000000002	14.7
	10.881250000000001	7.9		20.325000000000003	22
	11.13125	10		20.568750000000005	23.2
	11.7	11.1		21.1375	22.4
	11.61875	9.4		20.41875	20.5
	11.6875	5.8		21.118749999999995	12.2
	10.681250000000002	2.1		19.94375000000001	14.8
	10.256250000000001	8.9		19.0625	21.2
	10.20625	13		19.38125	22
	10.212500000000002	9.6		19.89375	24.2
	9.931249999999999	9.9		19.881249999999998	20
	9.96875	4.4		18.8875	14
	9.475	6		19.61875	19.6
	9.693750000000001	9.8		20.40625	23.2
	10.731250000000001	10.9		20.025000000000002	20.5
	10.1	13.4		18.381249999999998	21.7
	9.95	9.4		19.15625	15.4
	10.0625	5.8		19.056250000000002	13.2
	9.39375	4.8		18.356250000000003	12
	9.637499999999998	3.5		18.81875	15.9
	9.462499999999999	4.4		18.29375	22
	9.643749999999999	9.8		18.58125	20.1
	8.83125	6.5		18.556250000000002	16.2
	9.33125	8.4		18.224999999999998	17.1
May	8.45625	6.3		17.825	20.5
	8.44375	6.5		18.05	12.3
	9.38125	3.5		17.95	14.7
	8.4625	4.2		16.4375	16.5
	7.6375	5.6		16.3	19
	8.14375	6		15.893749999999999	15.7
	8.95	4.3		15.881249999999998	15.1
	8.075	2.6		15.43125	14.2
	7.156250000000001	2		15.9375	15.1
	7.31875	5.4		16.45	16.8
	7.4375	6.4		16.63125	19.3
	7.14375	6.4		15.625000000000002	18.5
	7.075000000000001	6.8		14.8375	19.1
	7.4750000000000005	9.5		16.15	18.4
	7.09375	9.4		14.93125	18.4
	7.15	8.3		14.993749999999999	18.6
	6.4312499999999995	9.9		15.45625	19.6
	6.268750000000001	10.4		16.36875	18.2
	6.925000000000001	12.3		15.94375	17.1
	7.4875	10.7		16.2125	16.6
	7.225000000000001	12.7		15.11875	14.1
	6.375000000000001	13.6		15.58125	14.6
	6.381249999999999	13.2		16.125	15.8
	6.4375	11.9		15.25	12.6
	6.2749999999999995	8.9		15.531249999999998	13.9
	6.4312499999999995	7.2		15.61875	13.9
	6.4624999999999995	8.4		16.08125	17.4
	5.575000000000001	8		14.999999999999998	16.9
	5.875000000000001	8.7		15.65	16.2
	5.4375	3.6		15.118749999999999	9.7
	5.95	1.3		14.41875	12.5
Jun.	5.600000000000001	5.1		15.087499999999999	17.7
	5.35625	9.2		13.662500000000001	21.4
	4.525	4.7		13.156250000000002	12.7
	4.4375	8.4		12.475000000000001	16.9
	4.74375	5.3		13.881250000000001	14.5
	5.1875	6.5		14.712499999999999	16.7
	5.325000000000001	5.9		14.818749999999998	15.4
	5.443749999999999	2.7		13.925	11.5
	4.5875	2.8		13.437499999999998	11.6
	5.175000000000001	2.3		13.65625	14.5
	4.9125000000000005	2.6		12.700000000000001	11.4
	4.26875	2.8		12.6875	15.3
	4.7437499999999995	6		13.987499999999997	14.8
	4.95625	3.8		13.931250000000002	13.3
	5.237499999999999	3.8		13.612499999999999	12.8
	4.7250000000000005	2.7		13.175	15.6
	4.18125	2.2		13.68125	8.9
	5.606250000000001	-1.8		14.2	7.5
	4.7125	-2		13.468750000000002	8
	5.131249999999999	-1.7		13.499999999999998	7.9
	4.38125	2.1		12.431249999999997	9.3
	3.6750000000000003	1		12.46875	14.4
	4.375	5.3		13.00625	19.1
	4.9125000000000005	9		14.093750000000002	17.6
	4.9875	7.6		13.73125	14.8
	4.950000000000001	7.3		13.34375	9.5
	4.725	4.7		13.400000000000002	11.1
	5.0062500000000005	3.3		13.650000000000002	12.9
	5.037500000000001	5.6		14.431249999999999	14.8
	5.24375	6.9		14.231250000000001	15
Jul.	4.6875	7.9		13.24375	18.1
	3.7562499999999996	9.6		12.912499999999998	21
	3.6625	12.6		13.1875	19.6
	3.45	9.6		13.2	16
	3.8874999999999997	6		14.556249999999999	16.2
	4.61875	7.6		14.4	11.4
	5.0874999999999995	6.4		14.30625	9.5
	4.625	2.1		13.98125	12.5
	3.6249999999999996	6.2		13.962500000000002	13
	4.2875	6.1		13.781249999999998	17.5
	4.999999999999999	8.9		14.418750000000001	19
	5.075	9.4		13.950000000000001	19.1
	5.362500000000001	11.4		13.3125	19.8
	5.125	8.4		14.256250000000001	14.7
	5.318750000000001	6.8		15.73125	15.1
	5.1187499999999995	10.7		15.062500000000002	20
	5.4437500000000005	12.7		14.9375	20.1
	5.24375	7.3		15.7375	17.2
	5.624999999999999	9.7		16.5875	17.2
	5.3125	9.7		15.599999999999998	18
	5.1	10.1		16.462500000000002	19.1
	6.643749999999998	11.1		17.537499999999998	14.5
	7.143750000000001	6		16.925	11.6
	6.975	3.4		14.881249999999998	16.3
	5.15625	6.3		13.550000000000002	13
	5.137499999999999	2.8		14.406249999999998	10.4
	5.706250000000001	0.1		16.943749999999998	10.7
	6.9125000000000005	1.2		16.09375	11.9
	5.88125	2.9		14.60625	12.5
	4.0625	4.4		15.281250000000002	13
	4.76875	5.3		16.69375	12.3
Aug.	5.6499999999999995	9.7		17.15625	13.4
	6.39375	8.9		17.01875	17.4
	6.862499999999999		4	17.756249999999998		24.1
	7.356249999999999		6	17.04375		16.1
	6.468749999999999		7.3	15.28125		19.3
	5.587499999999999		6.5	16.05		17.3
	6.1625		3.7	16.6		6.8
	6.4375		2.8	15.831250000000002		10.3
	5.94375		3.8	16.150000000000002		10.7
	5.618750000000001		5	17.05625		13.5
	6.2875000000000005		6.6	16.6625		17.2
	5.8062499999999995		6.5	18.4625		18.4
	6.875		7	17.9125		18.6
	8.068749999999998		8.4	19.937499999999996		20.7
	7.6375		8.3	19.556249999999995		20.1
	7.3500000000000005		8	18.1625		18.9
	7.081249999999999		7.3	17.59375		17.4
	7.4437500000000005		7.3	17.368750000000002		17.4
	6.64375		6.9	16.60625		16.2
	6.187499999999999		6	16.387500000000003		15.7
	5.89375		6.1	16.6875		16.7
	6.80625		6.7	17.756249999999998		17.8
	7.431250000000001		8	17.68125		17.9
	8.04375		7.7	18.806250000000002		19
	7.4375		7.7	19.756249999999998		19.7
	8.84375		8.6	19.325		18.8
	8.63125		8.3	18.53125		18.7
	7.943749999999998		7.8	19.4375		19.3
	8.3125		8.2	19.856250000000003		20.3
	7.581249999999999		8	20.275000000000002		20.1
	8.51875		8.3	20.618749999999995		20.9
Sep.	8.700000000000001		9.2	21.381249999999998		21.4
	9.06875		9.1	21.218749999999996		21.1
	9.10625			21.58125
	9.7125			21.306249999999995
	9.168750000000001			19.825
	8.350000000000001			19.11875
	8.5125			20.1625
	8.8625			19.29375
	8.175			20.24375
	8.26875			20.631249999999998
	9.63125			21.075
	8.86875			20.1875
	8.94375			19.856250000000003
	9.64375			20.49375
	9.86875			20.918750000000003
	9.475			20.518749999999997
	9.368749999999999			19.881249999999998
	8.862499999999999			20.08125
	8.85			19.3125
	8.218749999999998			21.2125
	9.8375			20.25625
	9.399999999999999			21.637499999999996
	9.84375			22.68125
	10.431250000000002			21.493750000000002
	9.5125			21.775
	9.0375			21.61875
	9.2625			21.2125
	9.5125			21.818749999999998
	9.731250000000001			23.087499999999995
	10.675			23.175000000000004
Oct.	11.61875			22.86875
	11.337499999999999			22.54375
	11.337500000000002			23.843749999999996
	11.337500000000002			23.73125
	12.131249999999998			24.381250000000005
	13.400000000000002			24.693750000000005
	12.225000000000001			22.937500000000004
	10.156249999999998			21.7375
	10.825000000000001			22.074999999999996
	11.968750000000002			22.125000000000004
	12.6625			23.95625
	12.33125			23.9
	11.75			24.53125
	12.400000000000002			24.80625
	12.125			24.45625
	10.95625			23.275
	10.78125			23.16875
	11.84375			23.774999999999995
	12.131250000000003			23.937499999999996
	12.13125			25.937499999999996
	13.21875			25.806249999999995
	13.431249999999999			25.6125
	14.168750000000001			27.481249999999996
	14.581249999999999			26.043750000000003
	14.11875			26.612499999999997
	14.187500000000002			26.825
	14.23125			25.124999999999996
	13.537500000000001			25.518750000000004
	13.518749999999997			25.224999999999998
	13.899999999999999			26.75
	15.006250000000001			28.125
Nov.	14.26875			26.96875
	14.162500000000001			27.424999999999997
	14.418750000000001			27.174999999999997
	13.587499999999999			25.668749999999996
	13.274999999999999			26.9375
	14.14375			28.05
	14.7875			27.931250000000002
	13.862500000000002			28.71875
	14.412500000000001			28.90625
	15.66875			28.35
	15.51875			28.437499999999993
	15.324999999999998			29.825
	15.45			27.96875
	15.524999999999999			28.468750000000007
	15.725000000000003			28.2625
	14.656249999999996			27.5375
	14.625000000000002			28.2125
	15.26875			29.012500000000003
	15.787500000000001			28.475
	15.137500000000001			27.918750000000003
	15.187500000000002			28.750000000000004
	15.956249999999997			29.40625
	15.750000000000002			30.625000000000004
	16.43125			30.2875
	16.725			30.699999999999996
	17.2			31.568749999999998
	18.056250000000002			31.10625
	16.70625			29.243750000000006
	16.00625			29.262500000000003
	16.075			29.05625
Dec.	15.625000000000002			30.849999999999998
	17.4875			31.875
	17.775000000000002			30.8875
	16.799999999999997			31.062499999999996
	16.887500000000003			30.356250000000003
	17.343750000000004			29.162499999999998
	17.412499999999998			30.55625
	17.612499999999997			31.156250000000004
	17.90625			31.0125
	17.831249999999997			32.568749999999994
	17.450000000000003			32.474999999999994
	18.512500000000003			32.625
	19.61875			33.4
	19.63125			34.09375
	20.075			33.231249999999996
	19.58125			32.4625
	18.339999999999996			30.36

Max Temp.

Historic Max Temp.

Min Temp.

Historic Min Temp.

Yearly Summary 2026

42°C

Highest Temp

14 Jan. 26

-2°C

Lowest Temp

3 Jul. 26

Seasonal Breakdown

Hottest MonthJanuary36.44°C

Coldest MonthAugust6.18°C

Wettest MonthMarch2.95mm

Windiest MonthJanuary29.48km/h

Santa Rosa 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 Santa Rosa historically?

January is historically Santa Rosa's hottest month, with average maximum temperatures around 32°C. During peak heatwave events, the highest recorded temperatures have reached 43°C on 2025-12-30.

2. What is the coldest month in Santa Rosa historically?

July is Santa Rosa's coldest month, with average minimum temperatures around 5°C. The all-time record low of -4°C was recorded on 2010-08-02.

3. What is the average annual rainfall in Santa Rosa over the past 17 years?

Santa Rosa's average annual rainfall is approximately 673.7mm, based on records spanning 17 years.

4. How many rainy days does Santa Rosa experience on average per year?

Santa Rosa historically records approximately 119.3 rainy days per year. March has the highest number of rain days at an average of 12.8 days.

5. What is the all-time highest temperature ever recorded in Santa Rosa?

The all-time highest temperature recorded in Santa Rosa is 43°C on 2025-12-30.

6. What is the all-time lowest temperature ever recorded in Santa Rosa?

The all-time lowest temperature recorded in Santa Rosa is -4°C on 2010-08-02.

7. What is the windiest time of year in Santa Rosa historically?

Santa Rosa experiences its strongest winds during November. The historic gust record of 52.2 kph was recorded on 2026-01-01.

8. What is the highest and lowest humidity in Santa Rosa during a year?

Usually, Santa Rosa's humidity peaks in May at around 63.4% and drops to its lowest in December at approximately 38.1%.

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Santa Rosa Historic Weather Records
Analyse hottest, coldest, windiest & wettest days

Santa Rosa Weather Trend Graph

Yearly Summary 2026

Seasonal Breakdown

Frequently Asked Questions

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