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Monthly climate in Garrison, Texas, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Garrison features a humid subtropical climate (Cfa).Temperatures typically range between 10 °C (50 °F) and 29 °C (84 °F) through the year, but rarely can drop to -18 °C (0 °F) or can rise to as high as 40 °C (105 °F).The average annual precipitation amounts to about 1449 mm (57.0 inches) and receives 133 rainy days on the 1 mm (0.04 inches) threshold annually.Garrison enjoys an average of 3036 hours of sunshine throughout the year, and daylight varies from 10 hours 5 minutes to 14 hours 10 minutes per day.

Monthly average temperatures in Garrison, Texas, United States §

The warmest months in Garrison are June, July and August, with daily mean temperatures ranging from 27 to 29 °C (81 - 84 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 10 to 12 °C (50 - 54 °F) throughout the day. On average each year, Garrison experiences 176 days above 25 °C (77.0 °F) and 13 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Garrison, 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 27°C
(81°F)		 29°C
(84°F)		 31°C
(88°F)		 33°C
(91°F)		 35°C
(96°F)		 36°C
(97°F)		 40°C
(105°F)		 39°C
(102°F)		 38°C
(102°F)		 34°C
(94°F)		 29°C
(85°F)		 28°C
(82°F)
Mean maximum 24°C
(75°F)		 26°C
(79°F)		 29°C
(84°F)		 30°C
(87°F)		 33°C
(92°F)		 35°C
(95°F)		 37°C
(100°F)		 38°C
(101°F)		 36°C
(97°F)		 33°C
(92°F)		 27°C
(82°F)		 25°C
(78°F)
Average high 15°C
(60°F)		 17°C
(62°F)		 22°C
(72°F)		 24°C
(76°F)		 29°C
(84°F)		 32°C
(90°F)		 34°C
(93°F)		 34°C
(94°F)		 31°C
(89°F)		 26°C
(80°F)		 20°C
(69°F)		 17°C
(63°F)
Daily mean 10°C
(50°F)		 11°C
(53°F)		 17°C
(62°F)		 19°C
(66°F)		 24°C
(75°F)		 27°C
(81°F)		 28°C
(83°F)		 29°C
(84°F)		 26°C
(79°F)		 20°C
(69°F)		 14°C
(58°F)		 12°C
(54°F)
Average low 5°C
(42°F)		 7°C
(44°F)		 11°C
(53°F)		 13°C
(56°F)		 19°C
(66°F)		 23°C
(73°F)		 24°C
(75°F)		 24°C
(75°F)		 21°C
(71°F)		 15°C
(60°F)		 9°C
(48°F)		 7°C
(45°F)
Mean minimum -5°C
(24°F)		 -4°C
(25°F)		 1°C
(35°F)		 4°C
(39°F)		 12°C
(54°F)		 19°C
(67°F)		 21°C
(70°F)		 20°C
(68°F)		 15°C
(60°F)		 5°C
(42°F)		 -0°C
(32°F)		 -2°C
(29°F)
Minimum -11°C
(12°F)		 -18°C
(-0°F)		 -4°C
(25°F)		 1°C
(34°F)		 9°C
(48°F)		 17°C
(63°F)		 19°C
(66°F)		 19°C
(66°F)		 12°C
(53°F)		 0°C
(33°F)		 -5°C
(23°F)		 -3°C
(26°F)

Compare climate in Garrison with other places

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

Monthly average precipitation in Garrison, Texas, United States §

Garrison usually has the most precipitation in February, April and May, with an average of 12 rainy days and 150 mm (5.9 inches) of precipitation per month.The driest months in Garrison are January, July and November. On average, 90 mm (3.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Garrison, 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) 102 (4.0) 149 (5.9) 129 (5.1) 157 (6.2) 145 (5.7) 130 (5.1) 90 (3.5) 116 (4.6) 117 (4.6) 109 (4.3) 79 (3.1) 125 (4.9)
Average precipitation days (≥ 1 mm) 9 13 13 10 13 14 13 12 11 9 8 8

Monthly sunshine hours in Garrison, Texas, United States §

The sunniest months in Garrison are June, July and August, when the sun shines an average of 10 hours 27 minutes a day.Least sunny months in Garrison: January, February and December receive an average of 5 hours 39 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Garrison, 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 159 149 229 256 293 312 334 316 277 267 234 206
Mean daily daylight hours 10h 19m 11h 3m 12h 0m 12h 58m 13h 47m 14h 10m 13h 57m 13h 14m 12h 18m 11h 20m 10h 30m 10h 5m

Solar UV radiation in Garrison, Texas, United States §

Garrison experiences the highest level of ultraviolet (UV) radiation in June, July and August, 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 Garrison UV Index data.

Average daily maximum UV levels by month for Garrison, 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 7 9 10 11 12 12 11 10 8 6 4