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Pharr, Texas climate

BSh Hot semi-arid

Pharr has a seasonal tropical climate (Hot semi-arid, Köppen BSh). The hottest month is August with an average daily high near 100°F, while the coldest is January averaging around 53°F at night. Precipitation totals about 22 inches a year and is strongly seasonal — September alone averages 4.6 inches while February barely receives 0.72 inches.

☀️ Summers

Very hot

Highs near 100°F in August.

About 176 days a year above 90 °F

❄️ Winters

Mild

Lows near 53°F in January.

🌧️ Rain

Moderate rainfall

About 22 in of rain a year.

Wettest in September

⛅ Sky & trend

Partly cloudy

A roughly even mix of sun and cloud.

+2.5 °F vs 50 years ago

Temperature & precipitation

Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figures

Clear vs cloudy days

Share of days each month that are clear, partly cloudy or cloudy · 1991–2020 · hover a month for the day counts

Pharr climate normals (1991–2020)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high (°F)	73	77	83	88	93	97	99	100	94	89	80	74
Avg temp (°F)	63	67	73	78	84	88	89	89	85	79	70	64
Avg low (°F)	53	57	63	68	74	78	79	79	76	69	60	54
Precipitation (in)	0.8	0.7	1.4	1.4	2.0	3.1	2.0	1.8	4.6	2.1	1.2	1.1

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Avg high (°F)	73	77	83	88	93	97
Avg temp (°F)	63	67	73	78	84	88
Avg low (°F)	53	57	63	68	74	78
Precipitation (in)	0.8	0.7	1.4	1.4	2.0	3.1

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Avg high (°F)	99	100	94	89	80	74
Avg temp (°F)	89	89	85	79	70	64
Avg low (°F)	79	79	76	69	60	54
Precipitation (in)	2.0	1.8	4.6	2.1	1.2	1.1

How often — frequency of weather events

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Days with measurable rain (days)	6	4	4	4	4	5	5	4	8	5	5	6
Days with high ≥ 90°F (days)	0.4	2	6	13	24	28	30	30	24	16	3	0.5
Days with low ≤ 32°F (days)	0.3	0.3	—	—	—	—	—	—	—	—	0.1	0.2

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Days with measurable rain (days)	6	4	4	4	4	5
Days with high ≥ 90°F (days)	0.4	2	6	13	24	28
Days with low ≤ 32°F (days)	0.3	0.3	—	—	—	—

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Days with measurable rain (days)	5	4	8	5	5	6
Days with high ≥ 90°F (days)	30	30	24	16	3	0.5
Days with low ≤ 32°F (days)	—	—	—	—	0.1	0.2

Sky & atmosphere

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Cloud cover (%)	59	59	60	58	52	42	38	38	46	41	50	59
Clear days (≤ 30% cloud)	8	7	7	7	8	13	15	15	12	14	10	7
Partly cloudy days (30–70%)	9	8	10	11	12	11	10	11	10	10	10	10
Cloudy days (≥ 70%)	14	13	14	12	11	6	6	5	8	7	10	14
Relative humidity (%)	71	69	66	65	66	66	67	66	72	71	71	71
Wind speed (mph)	7.3	8.1	8.7	9.0	9.0	8.5	8.7	7.5	6.0	6.6	6.9	7.0

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Cloud cover (%)	59	59	60	58	52	42
Clear days (≤ 30% cloud)	8	7	7	7	8	13
Partly cloudy days (30–70%)	9	8	10	11	12	11
Cloudy days (≥ 70%)	14	13	14	12	11	6
Relative humidity (%)	71	69	66	65	66	66
Wind speed (mph)	7.3	8.1	8.7	9.0	9.0	8.5

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Cloud cover (%)	38	38	46	41	50	59
Clear days (≤ 30% cloud)	15	15	12	14	10	7
Partly cloudy days (30–70%)	10	11	10	10	10	10
Cloudy days (≥ 70%)	6	5	8	7	10	14
Relative humidity (%)	67	66	72	71	71	71
Wind speed (mph)	8.7	7.5	6.0	6.6	6.9	7.0

Methodology & sources

Temperature & precipitation — the official 1991–2020 climate normals from NOAA's U.S. Climate Normals, measured at Mcallen Miller Intl AP (NOAA GHCN station USW00012959), about 6 km from the city centre.

Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.

How we build these numbers →