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Eagle Pass, Texas climate

BSh Hot semi-arid

Eagle Pass has a seasonal warm-temperate climate (Hot semi-arid, Köppen BSh). The hottest month is August with an average daily high near 103°F, while the coldest is December averaging around 43°F at night. Precipitation totals about 15 inches a year and is strongly seasonal — September alone averages 2.8 inches while February barely receives 0.44 inches.

☀️ Summers

Very hot

Highs near 103°F in August.

About 146 days a year above 90 °F

❄️ Winters

Cool

Lows near 43°F in December.

About 5 freezing nights a year

🌧️ Rain

Fairly dry

About 15 in of rain a year.

Wettest in September

⛅ Sky & trend

Partly cloudy

A roughly even mix of sun and cloud.

+0.5 °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

Eagle Pass climate normals (1991–2020)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high (°F)	69	74	82	90	96	101	102	103	97	88	77	68
Avg temp (°F)	56	60	68	76	83	87	89	90	84	75	64	56
Avg low (°F)	43	47	55	62	70	74	76	76	72	62	52	43
Precipitation (in)	0.7	0.4	0.9	1.0	2.2	2.1	1.6	1.3	2.8	1.2	0.7	0.5

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Avg high (°F)	69	74	82	90	96	101
Avg temp (°F)	56	60	68	76	83	87
Avg low (°F)	43	47	55	62	70	74
Precipitation (in)	0.7	0.4	0.9	1.0	2.2	2.1

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Avg high (°F)	102	103	97	88	77	68
Avg temp (°F)	89	90	84	75	64	56
Avg low (°F)	76	76	72	62	52	43
Precipitation (in)	1.6	1.3	2.8	1.2	0.7	0.5

How often — frequency of weather events

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Days with measurable rain (days)	3	3	3	3	4	3	3	3	5	3	3	3
Days with high ≥ 90°F (days)	0.4	1	5	12	19	24	24	25	21	11	1	0.1
Days with low ≤ 32°F (days)	2	0.9	0.3	—	—	—	—	—	—	0.1	0.4	2

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Days with measurable rain (days)	3	3	3	3	4	3
Days with high ≥ 90°F (days)	0.4	1	5	12	19	24
Days with low ≤ 32°F (days)	2	0.9	0.3	—	—	—

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Days with measurable rain (days)	3	3	5	3	3	3
Days with high ≥ 90°F (days)	24	25	21	11	1	0.1
Days with low ≤ 32°F (days)	—	—	—	0.1	0.4	2

Sky & atmosphere

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Cloud cover (%)	55	57	57	54	55	46	41	39	44	40	47	53
Clear days (≤ 30% cloud)	10	8	9	9	7	10	13	15	12	14	12	10
Partly cloudy days (30–70%)	8	8	9	10	12	13	11	11	10	9	9	8
Cloudy days (≥ 70%)	13	13	14	11	12	7	6	6	8	8	10	12
Relative humidity (%)	59	56	53	50	56	55	54	52	62	62	62	61
Wind speed (mph)	5.3	5.8	6.6	6.9	7.0	7.5	7.5	6.9	5.8	5.7	5.3	5.0

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Cloud cover (%)	55	57	57	54	55	46
Clear days (≤ 30% cloud)	10	8	9	9	7	10
Partly cloudy days (30–70%)	8	8	9	10	12	13
Cloudy days (≥ 70%)	13	13	14	11	12	7
Relative humidity (%)	59	56	53	50	56	55
Wind speed (mph)	5.3	5.8	6.6	6.9	7.0	7.5

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Cloud cover (%)	41	39	44	40	47	53
Clear days (≤ 30% cloud)	13	15	12	14	12	10
Partly cloudy days (30–70%)	11	11	10	9	9	8
Cloudy days (≥ 70%)	6	6	8	8	10	12
Relative humidity (%)	54	52	62	62	62	61
Wind speed (mph)	7.5	6.9	5.8	5.7	5.3	5.0

Methodology & sources

Temperature & precipitation — 1991–2020 normals computed from 25 years of daily observations at Piedras Negras (obs), a weather station, about 2 km from the city centre. The underlying daily records come from NOAA's global station network.

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 →