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Bryan, Texas climate

Cfa Humid subtropical

Bryan has a seasonal warm-temperate climate (Humid subtropical, Köppen Cfa). The hottest month is August with an average daily high near 36°C, while the coldest is January averaging around 5°C at night. Around 1060 mm of precipitation falls each year, peaking in October (125 mm) and easing off in July (50 mm).

☀️ Summers

Very hot

Highs near 36°C in August.

About 117 days a year above 32 °C

❄️ Winters

Cool

Lows near 5°C in January.

About 16 freezing nights a year

🌧️ Rain

Wet

About 1060 mm of rain a year.

Wettest in October

⛅ Sky & trend

Partly cloudy

A roughly even mix of sun and cloud.

+0.7 °C 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

Bryan climate normals (1991–2020)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high (°C)	17	19	23	26	30	33	35	36	33	28	22	17
Avg temp (°C)	11	13	17	20	25	28	30	30	27	22	16	12
Avg low (°C)	5	7	11	15	19	23	24	24	21	16	10	6
Precipitation (mm)	87	74	87	73	117	102	50	79	89	125	84	94

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Avg high (°C)	17	19	23	26	30	33
Avg temp (°C)	11	13	17	20	25	28
Avg low (°C)	5	7	11	15	19	23
Precipitation (mm)	87	74	87	73	117	102

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Avg high (°C)	35	36	33	28	22	17
Avg temp (°C)	30	30	27	22	16	12
Avg low (°C)	24	24	21	16	10	6
Precipitation (mm)	50	79	89	125	84	94

How often — frequency of weather events

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Days with measurable rain (days)	9	8	8	7	8	8	5	6	7	7	8	9
Days with high ≥ 32°C (days)	0.0	0.1	0.0	1	9	23	29	29	20	5	—	—
Days with low ≤ 0°C (days)	6	3	1	—	—	—	—	—	—	0.1	1	5

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Days with measurable rain (days)	9	8	8	7	8	8
Days with high ≥ 32°C (days)	0.0	0.1	0.0	1	9	23
Days with low ≤ 0°C (days)	6	3	1	—	—	—

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Days with measurable rain (days)	5	6	7	7	8	9
Days with high ≥ 32°C (days)	29	29	20	5	—	—
Days with low ≤ 0°C (days)	—	—	—	0.1	1	5

Sky & atmosphere

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Cloud cover (%)	60	63	61	57	58	48	44	44	46	43	51	59
Clear days (≤ 30% cloud)	7	6	6	7	7	10	12	12	11	13	9	7
Partly cloudy days (30–70%)	9	7	9	10	11	12	13	13	11	10	10	9
Cloudy days (≥ 70%)	15	15	15	13	13	8	6	6	8	8	11	15
Relative humidity (%)	80	81	79	76	75	71	68	65	69	71	77	80
Wind speed (mph)	5.5	5.8	5.8	5.8	5.4	4.8	4.7	4.4	4.3	4.8	5.2	5.3

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Cloud cover (%)	60	63	61	57	58	48
Clear days (≤ 30% cloud)	7	6	6	7	7	10
Partly cloudy days (30–70%)	9	7	9	10	11	12
Cloudy days (≥ 70%)	15	15	15	13	13	8
Relative humidity (%)	80	81	79	76	75	71
Wind speed (mph)	5.5	5.8	5.8	5.8	5.4	4.8

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Cloud cover (%)	44	44	46	43	51	59
Clear days (≤ 30% cloud)	12	12	11	13	9	7
Partly cloudy days (30–70%)	13	13	11	10	10	9
Cloudy days (≥ 70%)	6	6	8	8	11	15
Relative humidity (%)	68	65	69	71	77	80
Wind speed (mph)	4.7	4.4	4.3	4.8	5.2	5.3

Methodology & sources

Temperature & precipitation — the official 1991–2020 climate normals from NOAA's U.S. Climate Normals, measured at College Stn Easterwood Fld (NOAA GHCN station USW00003904), about 9 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 →