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Monthly climate in Cotulla, Texas, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Cotulla features a hot semi-arid climate (BSh).Temperatures typically range between 14 °C (57 °F) and 32 °C (90 °F) through the year, but rarely can drop to -9 °C (16 °F) or can rise to as high as 44 °C (111 °F).The average annual precipitation amounts to about 583 mm (22.9 inches) and receives 70 rainy days on the 1 mm (0.04 inches) threshold annually.Cotulla enjoys an average of 3214 hours of sunshine throughout the year, and daylight varies from 10 hours 21 minutes to 13 hours 54 minutes per day.

Monthly average temperatures in Cotulla, Texas, United States §

The warmest months in Cotulla are June, July and August, with daily mean temperatures ranging from 30 to 32 °C (87 - 90 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 14 to 16 °C (57 - 60 °F) throughout the day. On average each year, Cotulla experiences 242 days above 25 °C (77.0 °F) and 4 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Cotulla, 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 33°C
(91°F)		 37°C
(99°F)		 36°C
(96°F)		 40°C
(105°F)		 41°C
(106°F)		 44°C
(111°F)		 44°C
(111°F)		 42°C
(108°F)		 41°C
(106°F)		 39°C
(103°F)		 34°C
(94°F)		 34°C
(93°F)
Mean maximum 29°C
(84°F)		 33°C
(91°F)		 35°C
(95°F)		 38°C
(101°F)		 39°C
(102°F)		 40°C
(105°F)		 42°C
(108°F)		 41°C
(107°F)		 40°C
(105°F)		 37°C
(99°F)		 32°C
(90°F)		 30°C
(87°F)
Average high 20°C
(69°F)		 22°C
(73°F)		 27°C
(82°F)		 30°C
(87°F)		 34°C
(93°F)		 36°C
(97°F)		 38°C
(101°F)		 38°C
(101°F)		 35°C
(95°F)		 30°C
(87°F)		 25°C
(77°F)		 22°C
(72°F)
Daily mean 14°C
(57°F)		 16°C
(60°F)		 21°C
(70°F)		 24°C
(75°F)		 27°C
(82°F)		 30°C
(87°F)		 31°C
(89°F)		 32°C
(90°F)		 29°C
(84°F)		 24°C
(76°F)		 18°C
(65°F)		 15°C
(60°F)
Average low 8°C
(47°F)		 10°C
(50°F)		 15°C
(59°F)		 18°C
(64°F)		 22°C
(72°F)		 25°C
(77°F)		 26°C
(78°F)		 26°C
(79°F)		 24°C
(75°F)		 19°C
(66°F)		 13°C
(55°F)		 9°C
(49°F)
Mean minimum -1°C
(31°F)		 -0°C
(32°F)		 6°C
(43°F)		 9°C
(48°F)		 15°C
(60°F)		 22°C
(72°F)		 22°C
(73°F)		 23°C
(74°F)		 18°C
(65°F)		 7°C
(45°F)		 3°C
(38°F)		 1°C
(34°F)
Minimum -5°C
(24°F)		 -9°C
(16°F)		 -0°C
(32°F)		 6°C
(43°F)		 11°C
(52°F)		 19°C
(67°F)		 19°C
(66°F)		 21°C
(70°F)		 15°C
(60°F)		 4°C
(39°F)		 -3°C
(27°F)		 -2°C
(29°F)

Compare climate in Cotulla with other places

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

Monthly average precipitation in Cotulla, Texas, United States §

Cotulla usually has the most precipitation in May, September and October, with an average of 8 rainy days and 92 mm (3.6 inches) of precipitation per month.The driest months in Cotulla are January, February and December. On average, 25 mm (1.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Cotulla, 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) 22 (0.9) 29 (1.1) 33 (1.3) 46 (1.8) 108 (4.2) 45 (1.8) 48 (1.9) 31 (1.2) 116 (4.6) 52 (2.0) 30 (1.2) 23 (0.9)
Average precipitation days (≥ 1 mm) 4 6 5 5 10 7 6 4 9 7 4 3

Monthly sunshine hours in Cotulla, Texas, United States §

The sunniest months in Cotulla are June, July and August, when the sun shines an average of 11 hours 9 minutes a day.Least sunny months in Cotulla: January, February and November receive an average of 6 hours 32 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Cotulla, 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 174 186 250 263 295 338 348 338 283 272 228 233
Mean daily daylight hours 10h 33m 11h 11m 12h 0m 12h 51m 13h 33m 13h 54m 13h 43m 13h 5m 12h 17m 11h 26m 10h 42m 10h 21m

Solar UV radiation in Cotulla, Texas, United States §

Cotulla experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 12 - 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 7. For more detailed information, check out our hourly Cotulla UV Index data.

Average daily maximum UV levels by month for Cotulla, 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 12 11 9 7 5