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Monthly climate in Cowley, Wyoming, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Cowley features a cold desert climate (BWk).Temperatures typically range between -7 °C (20 °F) and 22 °C (72 °F) through the year, but rarely can drop to -33 °C (-26 °F) or can rise to as high as 39 °C (102 °F).The average annual precipitation amounts to about 381 mm (15.0 inches) and receives 87 rainy days on the 1 mm (0.04 inches) threshold annually.Cowley enjoys an average of 3208 hours of sunshine throughout the year, and daylight varies from 8 hours 49 minutes to 15 hours 31 minutes per day.

Monthly average temperatures in Cowley, Wyoming, United States §

The warmest months in Cowley are June, July and August, with daily mean temperatures ranging from 18 to 22 °C (64 - 72 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -7 to -4 °C (20 - 26 °F) throughout the day. On average each year, Cowley experiences 66 days above 25 °C (77.0 °F) and 149 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Cowley, Wyoming, 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 8°C
(47°F)		 12°C
(54°F)		 22°C
(72°F)		 26°C
(78°F)		 28°C
(83°F)		 38°C
(100°F)		 39°C
(102°F)		 37°C
(99°F)		 35°C
(95°F)		 26°C
(78°F)		 17°C
(64°F)		 16°C
(61°F)
Mean maximum 6°C
(43°F)		 9°C
(49°F)		 17°C
(64°F)		 23°C
(73°F)		 27°C
(80°F)		 29°C
(85°F)		 36°C
(96°F)		 35°C
(95°F)		 32°C
(90°F)		 22°C
(71°F)		 13°C
(56°F)		 10°C
(50°F)
Average high -0°C
(32°F)		 -2°C
(29°F)		 8°C
(46°F)		 11°C
(52°F)		 17°C
(63°F)		 24°C
(76°F)		 30°C
(86°F)		 28°C
(83°F)		 22°C
(72°F)		 11°C
(52°F)		 5°C
(42°F)		 1°C
(34°F)
Daily mean -5°C
(24°F)		 -7°C
(20°F)		 2°C
(36°F)		 5°C
(41°F)		 11°C
(52°F)		 18°C
(64°F)		 22°C
(72°F)		 21°C
(69°F)		 15°C
(59°F)		 5°C
(42°F)		 1°C
(34°F)		 -4°C
(26°F)
Average low -8°C
(17°F)		 -12°C
(11°F)		 -3°C
(27°F)		 -1°C
(31°F)		 5°C
(42°F)		 11°C
(52°F)		 14°C
(58°F)		 13°C
(56°F)		 9°C
(48°F)		 0°C
(33°F)		 -3°C
(26°F)		 -7°C
(19°F)
Mean minimum -22°C
(-8°F)		 -26°C
(-15°F)		 -15°C
(6°F)		 -12°C
(11°F)		 -1°C
(30°F)		 4°C
(40°F)		 8°C
(47°F)		 7°C
(45°F)		 1°C
(33°F)		 -11°C
(12°F)		 -14°C
(7°F)		 -18°C
(0°F)
Minimum -27°C
(-16°F)		 -33°C
(-26°F)		 -26°C
(-15°F)		 -19°C
(-2°F)		 -3°C
(27°F)		 2°C
(36°F)		 6°C
(44°F)		 6°C
(43°F)		 -1°C
(31°F)		 -20°C
(-4°F)		 -20°C
(-5°F)		 -24°C
(-11°F)

Compare climate in Cowley with other places

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

Monthly average precipitation in Cowley, Wyoming, United States §

Cowley usually has the most precipitation in April, May and June, with an average of 10 rainy days and 52 mm (2.0 inches) of precipitation per month.The driest months in Cowley are January, July and August. On average, 17 mm (0.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Cowley, Wyoming, 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) 14 (0.6) 31 (1.2) 21 (0.8) 49 (1.9) 62 (2.4) 45 (1.8) 17 (0.7) 19 (0.8) 39 (1.5) 40 (1.6) 23 (0.9) 21 (0.8)
Average precipitation days (≥ 1 mm) 4 9 6 10 13 9 5 5 5 9 6 6

Monthly sunshine hours in Cowley, Wyoming, United States §

The sunniest months in Cowley are June, July and August, when the sun shines an average of 11 hours 54 minutes a day.Least sunny months in Cowley: January, February and December receive an average of 5 hours 58 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Cowley, Wyoming, 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 155 189 265 268 311 366 385 343 279 237 207 198
Mean daily daylight hours 9h 13m 10h 26m 11h 57m 13h 31m 14h 51m 15h 31m 15h 9m 13h 57m 12h 27m 10h 54m 9h 32m 8h 49m

Solar UV radiation in Cowley, Wyoming, United States §

Cowley experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 10 - 11, which corresponds to the Very High / Extreme category of sun exposure.January, November and December are in the Low / Moderate exposure category. In these months, the maximum values of the UV index do not exceed 3. For more detailed information, check out our hourly Cowley UV Index data.

Average daily maximum UV levels by month for Cowley, Wyoming, 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) 3 5 6 9 9 11 10 10 8 5 3 2