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Monthly climate in Groom, Texas, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Groom features a cold semi-arid climate (BSk).Temperatures typically range between 3 °C (38 °F) and 26 °C (79 °F) through the year, but rarely can drop to -24 °C (-12 °F) or can rise to as high as 41 °C (105 °F).The average annual precipitation amounts to about 483 mm (19.0 inches) and receives 67 rainy days on the 1 mm (0.04 inches) threshold annually.Groom enjoys an average of 3450 hours of sunshine throughout the year, and daylight varies from 9 hours 48 minutes to 14 hours 28 minutes per day.

Monthly average temperatures in Groom, Texas, United States §

The warmest months in Groom are June, July and August, with daily mean temperatures ranging from 24 to 26 °C (76 - 79 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 3 to 5 °C (38 - 41 °F) throughout the day. On average each year, Groom experiences 136 days above 25 °C (77.0 °F) and 73 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Groom, 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 26°C
(79°F)		 30°C
(86°F)		 32°C
(89°F)		 33°C
(92°F)		 36°C
(97°F)		 38°C
(101°F)		 41°C
(105°F)		 40°C
(104°F)		 37°C
(98°F)		 34°C
(94°F)		 29°C
(85°F)		 25°C
(78°F)
Mean maximum 21°C
(71°F)		 25°C
(77°F)		 29°C
(84°F)		 31°C
(89°F)		 34°C
(94°F)		 36°C
(97°F)		 37°C
(100°F)		 37°C
(98°F)		 35°C
(95°F)		 32°C
(90°F)		 26°C
(80°F)		 22°C
(72°F)
Average high 11°C
(51°F)		 11°C
(52°F)		 18°C
(64°F)		 21°C
(70°F)		 26°C
(79°F)		 31°C
(88°F)		 32°C
(90°F)		 32°C
(89°F)		 28°C
(83°F)		 21°C
(71°F)		 16°C
(61°F)		 12°C
(55°F)
Daily mean 3°C
(38°F)		 4°C
(39°F)		 10°C
(50°F)		 14°C
(57°F)		 19°C
(67°F)		 24°C
(76°F)		 26°C
(79°F)		 25°C
(78°F)		 22°C
(71°F)		 14°C
(58°F)		 9°C
(48°F)		 5°C
(41°F)
Average low -3°C
(28°F)		 -3°C
(27°F)		 3°C
(38°F)		 7°C
(44°F)		 13°C
(55°F)		 18°C
(64°F)		 20°C
(68°F)		 19°C
(67°F)		 16°C
(61°F)		 8°C
(47°F)		 3°C
(37°F)		 -1°C
(31°F)
Mean minimum -13°C
(9°F)		 -13°C
(9°F)		 -6°C
(22°F)		 -3°C
(28°F)		 5°C
(41°F)		 14°C
(58°F)		 17°C
(62°F)		 15°C
(59°F)		 9°C
(49°F)		 -3°C
(28°F)		 -5°C
(23°F)		 -8°C
(18°F)
Minimum -18°C
(-1°F)		 -24°C
(-12°F)		 -12°C
(10°F)		 -6°C
(21°F)		 1°C
(34°F)		 10°C
(51°F)		 16°C
(60°F)		 13°C
(56°F)		 3°C
(38°F)		 -7°C
(20°F)		 -12°C
(11°F)		 -11°C
(13°F)

Compare climate in Groom with other places

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

Monthly average precipitation in Groom, Texas, United States §

Groom usually has the most precipitation in May, September and October, with an average of 7 rainy days and 64 mm (2.5 inches) of precipitation per month.The driest months in Groom are January, February and November. On average, 16 mm (0.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Groom, 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) 21 (0.8) 14 (0.6) 46 (1.8) 35 (1.4) 79 (3.1) 48 (1.9) 42 (1.7) 49 (1.9) 52 (2.0) 63 (2.5) 14 (0.5) 21 (0.8)
Average precipitation days (≥ 1 mm) 3 3 5 5 11 6 8 10 6 5 3 2

Monthly sunshine hours in Groom, Texas, United States §

The sunniest months in Groom are June, July and August, when the sun shines an average of 11 hours 32 minutes a day.Least sunny months in Groom: January, February and December receive an average of 7 hours 29 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Groom, 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 198 234 271 295 323 354 367 339 295 269 252 248
Mean daily daylight hours 10h 4m 10h 55m 11h 59m 13h 5m 14h 1m 14h 28m 14h 13m 13h 24m 12h 20m 11h 14m 10h 17m 9h 48m

Solar UV radiation in Groom, Texas, United States §

Groom 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 exposure category. In these months, the maximum values of the UV index do not exceed 5. For more detailed information, check out our hourly Groom UV Index data.

Average daily maximum UV levels by month for Groom, 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) 4 6 8 11 11 12 12 11 10 7 5 4