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Monthly climate in Brenham, Texas, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Brenham features a humid subtropical climate (Cfa).Temperatures typically range between 12 °C (53 °F) and 30 °C (86 °F) through the year, but rarely can drop to -15 °C (6 °F) or can rise to as high as 40 °C (105 °F).The average annual precipitation amounts to about 1225 mm (48.2 inches) and receives 116 rainy days on the 1 mm (0.04 inches) threshold annually.Brenham enjoys an average of 3102 hours of sunshine throughout the year, and daylight varies from 10 hours 13 minutes to 14 hours 2 minutes per day.

Monthly average temperatures in Brenham, Texas, United States §

The warmest months in Brenham are June, July and August, with daily mean temperatures ranging from 28 to 30 °C (83 - 86 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 12 to 13 °C (53 - 56 °F) throughout the day. On average each year, Brenham experiences 202 days above 25 °C (77.0 °F) and 10 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Brenham, Texas, United States.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 29°C
(84°F)		 30°C
(87°F)		 32°C
(90°F)		 35°C
(95°F)		 37°C
(99°F)		 37°C
(99°F)		 40°C
(105°F)		 40°C
(104°F)		 38°C
(101°F)		 36°C
(97°F)		 30°C
(87°F)		 29°C
(85°F)
Mean maximum 26°C
(79°F)		 27°C
(81°F)		 30°C
(86°F)		 32°C
(90°F)		 34°C
(94°F)		 36°C
(96°F)		 38°C
(101°F)		 39°C
(102°F)		 37°C
(98°F)		 34°C
(93°F)		 30°C
(86°F)		 27°C
(81°F)
Average high 17°C
(64°F)		 18°C
(65°F)		 24°C
(75°F)		 26°C
(79°F)		 30°C
(87°F)		 33°C
(91°F)		 34°C
(94°F)		 35°C
(96°F)		 32°C
(90°F)		 28°C
(82°F)		 22°C
(72°F)		 19°C
(67°F)
Daily mean 12°C
(53°F)		 13°C
(55°F)		 18°C
(65°F)		 20°C
(69°F)		 25°C
(77°F)		 28°C
(83°F)		 29°C
(85°F)		 30°C
(86°F)		 27°C
(81°F)		 22°C
(72°F)		 16°C
(61°F)		 13°C
(56°F)
Average low 6°C
(44°F)		 8°C
(46°F)		 13°C
(56°F)		 15°C
(60°F)		 20°C
(69°F)		 24°C
(75°F)		 25°C
(76°F)		 25°C
(77°F)		 22°C
(73°F)		 17°C
(63°F)		 11°C
(51°F)		 8°C
(47°F)
Mean minimum -4°C
(25°F)		 -3°C
(27°F)		 3°C
(37°F)		 6°C
(43°F)		 13°C
(57°F)		 21°C
(70°F)		 21°C
(71°F)		 22°C
(72°F)		 16°C
(61°F)		 6°C
(43°F)		 1°C
(35°F)		 -1°C
(31°F)
Minimum -9°C
(16°F)		 -15°C
(6°F)		 -3°C
(27°F)		 2°C
(37°F)		 10°C
(51°F)		 18°C
(64°F)		 18°C
(65°F)		 21°C
(70°F)		 11°C
(53°F)		 2°C
(36°F)		 -3°C
(28°F)		 -2°C
(28°F)

Compare climate in Brenham with other places

Compare temperature, precipitation, sunshine, UV index in Brenham, Texas, United States with other places around the world.

Monthly average precipitation in Brenham, Texas, United States §

Brenham usually has the most precipitation in May, August and September, with an average of 11 rainy days and 137 mm (5.4 inches) of precipitation per month.The driest months in Brenham are January, March and November. On average, 71 mm (2.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Brenham, Texas, United States.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 70 (2.8) 81 (3.2) 69 (2.7) 111 (4.4) 166 (6.5) 118 (4.7) 96 (3.8) 120 (4.7) 125 (4.9) 95 (3.7) 72 (2.8) 103 (4.0)
Average precipitation days (≥ 1 mm) 8 10 10 9 13 11 10 9 12 9 7 8

Monthly sunshine hours in Brenham, Texas, United States §

The sunniest months in Brenham are June, July and August, when the sun shines an average of 10 hours 42 minutes a day.Least sunny months in Brenham: January, February and December receive an average of 6 hours 2 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Brenham, Texas, United States.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 172 157 229 258 289 321 338 325 282 270 237 220
Mean daily daylight hours 10h 26m 11h 7m 12h 0m 12h 55m 13h 40m 14h 2m 13h 50m 13h 10m 12h 17m 11h 23m 10h 36m 10h 13m

Solar UV radiation in Brenham, Texas, United States §

Brenham experiences the highest level of ultraviolet (UV) radiation in April, June and July, when the maximum UV index can reach values of 11 - 12, which corresponds to the Extreme category of sun exposure.January, November and December are in the Moderate / High exposure category. In these months, the maximum values of the UV index do not exceed 6. For more detailed information, check out our hourly Brenham UV Index data.

Average daily maximum UV levels by month for Brenham, Texas, United States.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 5 8 9 11 11 12 12 11 11 8 6 5