Harlingen Historic Weather Records
Analyse hottest, coldest, windiest & wettest days

Harlingen Weather Trend Graph

Temperature (°C)

Months

Months	Historic Min Temp.	Min Temp.	Forecasted Min Temp.	Historic Max Temp.	Max Temp.	Forecasted Max Temp.
	13.075000000000001	12.4		20.018749999999997	24.4
	11.399999999999999	19.5		18.1875	30.1
	10.624999999999998	18		18.018749999999997	30
	11.437500000000002	16.1		20.506249999999998	18.4
	12.95	18.1		21.8	24.4
	12.7375	20.8		21.40625	26.4
	12.28125	21.2		20.14375	26.1
	13.212499999999999	21.4		20.599999999999998	26.3
	13.212499999999999	21.5		20.45	27.5
	12.1375	14		20.0625	22.7
	12.568749999999998	12.3		20.8125	15.6
	13.06875	11.9		19.612500000000004	19.6
	11.781250000000002	13.6		19.025	16.5
	12.625000000000002	10.9		20.450000000000003	23.2
Jan.	13.625	10.3		19.85	21
	11.3875	7.4		20.44375	25.5
	11.61875	13.5		20.83125	17.3
	14.28125	4.6		22.425	19.1
	14.062500000000002	3.3		21.481250000000003	22.6
	13.44375	16.5		21.63125	22.2
	13.349999999999998	17		20.662499999999998	24.6
	12.993749999999999	17.9		21.756249999999998	22.5
	13.76875	19.5		21.587500000000006	26.7
	13.881250000000001	20.9		21.18125	25.3
	13.6875	5		22.243750000000006	12.7
	14.4125	0.8		22.4125	8.7
	14.912499999999998	0.6		21.44375	14.3
	13.412500000000001	11.6		21.318749999999998	15.4
	12.793750000000001	11.5		21.356250000000003	17.1
	13.65	8.3		21.612499999999997	16.8
	14.318749999999998	6		22.868750000000002	15.5
	14.53125	7.2		22.781249999999996	16.1
	13.518749999999999	11.8		21.893750000000004	23.7
	13.443749999999998	18.5		20.43125	24.8
	14.15	13.9		21.6	17.2
	13.45625	7.5		21.51875	21.6
	13.968750000000002	6.3		22.512500000000003	25.1
	13.637500000000001	9.9		22.231250000000003	26.9
	14.212500000000002	15.9		21.6875	23.5
	13.818749999999998	16.8		22.424999999999997	23.7
	14.8	18		23.56875	25
	13.475	19.6		22.581250000000004	24.9
	12.462499999999999	18.1		20.075000000000003	24.9
	11.80625	19		20.375	26.6
	13.750000000000002	19.8		22.44375	25.9
Feb.	14.81875	19.5		23.575000000000003	30.1
	14.631249999999998	14.7		23	26.9
	14.23125	18		22.818750000000005	25.4
	14.35	19.3		22.2625	22.5
	14.406250000000005	20.2		22.4	27
	15.25	21.1		23.456250000000004	25.1
	16.80625	20.4		24.443750000000005	25.1
	16.7375	12.3		24.81875	20.7
	15.7625	7.2		25.868750000000002	20.3
	15.443750000000001	11		24.162499999999994	24.8
	15.499999999999998	17.3		23.5125	28
	15.13125	19.2		23.725	31.5
	16.21875	19.6		23.925	23.8
	16.762500000000003	17.4		25.081249999999997	25.2
	16.112499999999997	19.4		25.349999999999998	24.6
	16.306250000000002	18.9		24.543749999999996	25.9
	15.425000000000002	19.6		25.250000000000004	30
	16.2	22.3		25.00625	30.2
	15.525	21.9		23.85	29.2
	15.30625	21.9		23.2875	29.8
	16	22.5		24.64375	29.1
	18.625000000000004	22.8		25.587500000000002	30.3
	18.268749999999997	22.5		26.006249999999998	31.9
	16.618750000000002	22.4		24.806250000000002	28.7
	16.1875	21.5		25.718750000000004	32.7
	16.099999999999998	14.2		24.5875	25
	16.493750000000002	11.6		25.60625	27.6
	18.23125	16.1		27.000000000000004	26.1
Mar.	18.6875	19.9		26.575	30.4
	18.38125	13.3		26.60625	22.1
	17.987499999999997	11		26.93125	20.9
	18.0875	11.1		26.487499999999997	23.1
	18.3125	14.6		25.6125	26.8
	17.181250000000002	14.6		24.106249999999996	31.3
	17.15	18.1		25.3875	31.4
	18.46875	19.2		26.881250000000005	30.2
	18.80625	19.1		28.137499999999996	28
	19.349999999999998	20.4		28.14999999999999	27.9
	19.0125	20.3		27.575	28.6
	18.9125	20.3		27.1	28.8
	19.518749999999997	20.1		28.187499999999996	31.1
	19.599999999999998	18.6		28.068750000000005	23.1
	19.331249999999997	18.3		27.393749999999997	28
	19.50625	20.2		28.006250000000005	28.9
	19.3125	21.1		28.31875	28.9
	20.06875	22		28.4	32.9
	20.66875	23		29.093750000000004	34.6
	20.525000000000002	23.4		29.125	34.3
	19.98125	23.7		28.825000000000006	32.6
	19.36875	13.5		28.093750000000007	19.9
	19.331250000000004	13.6		28.525000000000002	24
	19.24375	12.9		27.8	26.1
	18.58125	19.2		28.156249999999996	23.9
	19.931250000000002	20		29.206249999999997	27.3
	20.84375	21.1		29.19375	28.1
	20.2125	21.7		28.26875	28.9
	19.956249999999997	23.3		28.48125	29.4
	20.925	23.6		29.624999999999996	31.3
	20.181250000000002	23.1		28.056250000000002	32
Apr.	19.856250000000003	23.4		28.225000000000005	30.9
	20.218750000000004	23.1		28.275	33.2
	20.825000000000003	23.3		28.425	34.2
	20.76875	23.8		28.55625	34.3
	20.256250000000005	14.7		28.156249999999996	16
	20.318749999999998	14.9		28.418750000000003	20.6
	21.0125	19.7		28.71875	29
	21.537500000000005	21.8		28.306250000000006	31.1
	21.15625	22		28.6	32.5
	20.51875	24		29.362500000000004	30.8
	20.781250000000004	23.7		30.2	32.3
	21.65	25		30.925	32.6
	21.924999999999997	24.3		30.406249999999996	37
	21.331249999999997	25.3		30.174999999999997	38.1
	21.374999999999996	24		29.924999999999994	37.7
	21.73125	24.3		30.150000000000002	36.7
	21.812500000000004	19.9		30.1	31.3
	21.36875	16.1		30.068749999999998	23
	21.1375	14.7		29.9	28.3
	21.087500000000002	18		29.50625	29.5
	21.2625	23.3		30.325	35.4
	21.84375	25.7		31.1	38.2
	22.400000000000002	24.5		30.593750000000004	28.3
	23.09375	23.1		31.3875	33.6
	23.599999999999998	23		31.71875	31.7
	23.193749999999998	23.8		31.05625	33.1
	22.99375	20.2		30.900000000000002	30.8
	22.91875	20.1		31.031249999999993	34
	22.618750000000002	18.2		30.193749999999998	34.7
	22.262500000000003	19.6		30.187500000000004	37
May	22.45625	21.6		30.24375	35.5
	22.543750000000003	22.9		30.893750000000004	35.5
	23.04375	25.9		31.618750000000002	34.1
	23.712500000000002	26.2		31.7	36.9
	23.61875	26.4		31.6375	37.2
	23.581250000000004	25.2		32.56875000000001	35
	24.118749999999995	23.5		32.2	32.4
	23.962500000000002	22.4		31.787500000000005	35
	24.300000000000004	24.7		31.94375	34.4
	24.150000000000002	24		32.00625	31.8
	24.46875	21		32.20625	35
	24.662499999999998	23.3		32.481249999999996	34.5
	24.368749999999995	22.6		32.60625	31.2
	24.5625	20.5		33.324999999999996	31.5
	24.531249999999996	21.4		32.68125	35.1
	24.41875	22.6		32.412499999999994	37.1
	24.26875	24.3		31.956249999999997	35.4
	24.00625	25.1		32.13125	36.5
	24.368750000000002	24.6		32.368750000000006	33.5
	24.3125	24.4		32.51875	30.8
	24.25	24.2		32.3	31.4
	24.30625	25		32.96875	33.3
	24.387499999999996	24.6		33.487500000000004	34.8
	24.525	26.1		33.20625	32.7
	24.7125	26.5		33.3375	34.1
	24.925	26.1		33.76875	34.4
	25.05	25.8		33.737500000000004	34.6
	25.449999999999996	26.4		33.86875	36.6
	25.337499999999995	26.8		33.75	35.2
	25.193749999999998	25.5		33.64375	32.9
	25.218749999999996	25.9		33.7	34.9
Jun.	25.293749999999996	26.3		33.75	34.4
	25.2625	23.7		33.6	30.5
	25.543749999999996	24.4		33.637499999999996	36.7
	25.287499999999998	26.7		33.675	40.5
	25.19375	27.5		33.625	39.6
	25.2875	27.9		33.28125	33.7
	25.70625	26.9		33.375	34.8
	25.500000000000004	27.2		33.625	37.9
	25.437499999999996	26.6		33.456250000000004	37.2
	25.425	24.9		33.168749999999996	38
	25.493750000000006	24.8		33.08749999999999	37.9
	25.493750000000002	26.5		33.418749999999996	37.9
	25.362500000000004	26.1		33.618750000000006	36.8
	25.443750000000005	27.1		33.53125	38
	25.3125	26.3		33.2375	38.2
	25.437499999999996	25.1		32.31875	38.2
	25.31875	26.2		32.8125	37.3
	25.5	25.9		33.1	36.3
	25.4375	25.8		33.5	37
	25.506249999999998	25.5		33.49375	39.5
	25.4625	25.8		33.7	39.2
	25.2875	25.6		33.175	36.6
	25.18125	24.7		32.54375	37
	25.287499999999994	25.1		32.987500000000004	37.8
	25.518749999999997	23.4		33.55625	34.2
	25.50625	23.8		33.8	33.9
	25.737499999999997	24.6		34.21875	36.5
	25.806250000000002	25.9		34.25625000000001	38.7
	25.8375	25.7		34.46249999999999	38.8
	25.7	25.6		34.462500000000006	38.2
Jul.	25.756249999999998	26.8		34.475	36.7
	25.75	26.7		34.45625	35.9
	25.606250000000003	25.8		34.306250000000006	38.2
	25.800000000000004	25.9		34.025000000000006	38.9
	26.081249999999997	25.9		34.4875	39.8
	26.0375	25.1		34.84375	40.3
	26.05624999999999	24.5		34.75	41.5
	26.0125	24.5		34.768750000000004	42.5
	26.118750000000002	25.7		34.5125	38.2
	25.981249999999996	25.1		34.40625	38.4
	25.74375	25.2		34.05625	39.3
	26.025000000000002	24.9		33.91875	39.1
	25.95	25.4		33.67500000000001	39.5
	26.037499999999998	27.3		33.8375	39
	25.768749999999997	27.5		34.025	39.7
	25.756250000000005	27		34.862500000000004	39.9
	25.918750000000003	26.2		34.737500000000004	39.5
	25.925	26.3		34.9875	40.4
	25.937499999999996	26.7		34.89375	38.1
	26.36875	23.6		35.037499999999994	40.2
	26.318749999999998	27.2		35.28124999999999	39.1
	26.39375	26.7		34.9875	37
	26.568749999999994	27.6		35.0875	39
	26.818749999999998	26.6		35.31875	37
	26.831250000000004	25.2		35.224999999999994	36
	26.7	26		35.206250000000004	35.3
	26.881249999999998	25.7		35.0875	38.1
	26.918749999999992	26.6		34.893750000000004	39.1
	26.95	27		35.2625	39.7
	26.912499999999998	27.5		35.325	39.3
	26.749999999999993	27.2		34.893750000000004	36.9
Aug.	26.80625	27.6		34.8125	36.8
	26.76875	26.5		35.193749999999994	35.8
	26.78125		26.3	35.45		38
	26.90625		25.5	35.375		37.9
	26.9625		26.4	34.9875		37.5
	26.7375		27.7	34.55		37.2
	26.606250000000003		27.7	34.66875		37.2
	26.668749999999996		27.5	34.606249999999996		37.4
	26.668749999999996		27.1	34.4125		37.3
	26.437499999999993		26.4	34.275000000000006		34.3
	26.518749999999997		26.4	33.675		33.7
	26.556250000000006		26.4	33.8625		34
	26.599999999999998		26.4	34.15625		34.3
	26.287499999999994		26.2	34.5875		34.8
	26.3		26.3	34.512499999999996		34.8
	26.375000000000004		26.4	34.74375		34.4
	26.6125		26.5	34.43125		33.7
	26.762499999999996		26.6	34.0875		34.2
	26.806250000000006		26.6	34.181250000000006		34
	26.5125		26.3	33.825		33.7
	26.706250000000004		26.5	34.025		33.5
	26.400000000000002		26.2	32.625		32.4
	26.068749999999994		26.1	32.35		32.6
	25.8125		25.7	32.675		32.4
	25.631249999999998		25.6	32.80624999999999		32.7
	25.46875		25.5	32.90625		32.7
	25.4375		25.1	32.71249999999999		32
	25.168750000000003		25	32.33125		32.7
	24.76875		25.1	31.95625		32.2
	25.318750000000005		25.3	32.599999999999994		32.7
	25.706249999999997		25.6	32.49375		32.1
Sep.	25.65625		25.5	31.83125		31.8
	25.537499999999998		25.6	32.025000000000006		32.3
	25.912499999999998			32.09375000000001
	25.650000000000002			32.33125
	25.887499999999996			32.06250000000001
	25.8875			32.74375
	25.6875			32.10625
	24.99375			31.90625
	24.656250000000004			32.425
	24.906250000000004			32.793749999999996
	25.39375			32.6625
	25.175			32.10625
	24.7875			31.743749999999995
	24.062500000000004			31.65625
	24.1125			31.69375
	24.193749999999994			31.6625
	23.79375			31.624999999999996
	23.50625			31.362500000000004
	23.437499999999996			31.068749999999998
	23.41875			30.85625
	23.681250000000002			31.281249999999996
	23.1625			30.8
	23.018749999999997			30.706249999999997
	22.787499999999994			30.150000000000002
	23.131249999999998			30.325
	23.612499999999997			30.875000000000004
	22.8625			30.5625
	23.074999999999992			31.312500000000004
	24.162499999999998			31.943750000000005
	23.78125			31.181250000000002
Oct.	21.70625			30.906250000000004
	20.68125			28.931250000000002
	20.14375			28.456249999999997
	20.599999999999998			28.612499999999997
	21.425			29.612499999999997
	21.812499999999996			29.581249999999997
	23.037499999999994			29.793749999999996
	22.575			29.137500000000003
	21.762500000000003			28.9125
	22.15625			29.718749999999996
	20.900000000000002			29
	21.46875			29.756249999999994
	21.14375			30.2625
	19.90625			28.162499999999998
	18.900000000000002			27.356250000000003
	17.156249999999996			28.25
	19.068749999999998			26.75
	19.2875			27.53125
	19.35625			27.268750000000004
	19.71875			27.093749999999993
	20.343749999999996			27.731249999999996
	20.968750000000004			28.16875
	20.287499999999998			28.081249999999997
	20.112499999999997			27.562499999999996
	18.93125			26.725
	17.7625			25.431250000000002
	18.118750000000002			25.44375
	18.6125			26.625
	17.09375			24.137500000000003
	16.16875			21.218749999999996
	16.25625			23.40625
Nov.	16.525			25.15625
	17.5375			25.7625
	17.737499999999997			25.124999999999996
	18.099999999999998			25.087500000000002
	17.48125			25.137499999999996
	18.543750000000003			24.725
	18.237499999999997			25.162499999999998
	16.587500000000002			24.081249999999997
	15.837499999999999			24
	16.943749999999998			24.581249999999997
	17.818749999999998			24.55625
	16.1875			23.925
	15.6875			22.56875
	15.700000000000001			23.8375
	17.050000000000004			25.04375
	16.637500000000003			23.26875
	16.09375			22.45
	15.750000000000002			23.375
	17.956249999999997			25.025
	17.725			24.45
	17.337500000000002			24.193749999999998
	15.399999999999999			22.099999999999998
	13.7125			20.518749999999997
	13.01875			20.95
	14.625000000000002			23.44375
	14.281250000000002			22.4875
	13.85625			21.999999999999996
	14.968750000000002			21.843750000000004
	15.287500000000001			24.118750000000002
	16.012500000000003			24.281249999999996
Dec.	16.36875			23.150000000000002
	15.79375			23.2375
	15.162500000000001			22.15625
	14.95625			22.1375
	14.35			23.65
	15.9			21.86875
	15.418749999999998			22.474999999999998
	14.725			23.7875
	15.1125			21.875
	15.225000000000001			22.86875
	14.799999999999999			22.018750000000004
	15.587500000000002			23.093749999999996
	13.649999999999999			22.80625
	14.256249999999998			21.60625
	14.350000000000001			22.1875
	13.837500000000002			21.887500000000003
	14.213333333333335			21.89333333333333

Max Temp.

Historic Max Temp.

Min Temp.

Historic Min Temp.

Yearly Summary 2026

43°C

Highest Temp

22 Jul. 26

1°C

Lowest Temp

27 Jan. 26

Seasonal Breakdown

Hottest MonthJuly38.3°C

Coldest MonthJanuary13.11°C

Wettest MonthApril3.91mm

Windiest MonthAugust31.77km/h

Harlingen 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 Harlingen historically?

August is historically Harlingen's hottest month, with average maximum temperatures around 35°C. During peak heatwave events, the highest recorded temperatures have reached 43°C on 2026-07-22.

2. What is the coldest month in Harlingen historically?

January is Harlingen's coldest month, with average minimum temperatures around 13°C. The all-time record low of -4°C was recorded on 2021-02-15.

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

Harlingen's average annual rainfall is approximately 744.3mm, based on records spanning 17 years.

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

Harlingen historically records approximately 176.8 rainy days per year. September has the highest number of rain days at an average of 21.8 days.

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

The all-time highest temperature recorded in Harlingen is 43°C on 2026-07-22.

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

The all-time lowest temperature recorded in Harlingen is -4°C on 2021-02-15.

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

Harlingen experiences its strongest winds during April. The historic gust record of 54.5 kph was recorded on 2020-07-25.

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

Usually, Harlingen's humidity peaks in May at around 74.7% and drops to its lowest in August at approximately 65.9%.

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Harlingen Historic Weather Records
Analyse hottest, coldest, windiest & wettest days

Harlingen Weather Trend Graph

Yearly Summary 2026

Seasonal Breakdown

Frequently Asked Questions

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