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Monthly climate in Cheyenne, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Cheyenne features a cold semi-arid climate (BSk).Temperatures typically range between -2 °C (28 °F) and 22 °C (72 °F) through the year, but rarely can drop to -29 °C (-19 °F) or can rise to as high as 35 °C (96 °F).The average annual precipitation amounts to about 468 mm (18.4 inches) and receives 85 rainy days on the 1 mm (0.04 inches) threshold annually.Cheyenne enjoys an average of 3428 hours of sunshine throughout the year, and daylight varies from 9 hours 14 minutes to 15 hours 5 minutes per day.

Monthly average temperatures in Cheyenne, United States §

The warmest months in Cheyenne are June, July and August, with daily mean temperatures ranging from 19 to 22 °C (66 - 72 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -2 to 0 °C (28 - 33 °F) throughout the day. On average each year, Cheyenne experiences 77 days above 25 °C (77.0 °F) and 137 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Cheyenne, 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 16°C
(61°F)		 21°C
(69°F)		 24°C
(75°F)		 27°C
(80°F)		 29°C
(85°F)		 35°C
(95°F)		 35°C
(96°F)		 34°C
(94°F)		 35°C
(95°F)		 28°C
(83°F)		 23°C
(74°F)		 21°C
(71°F)
Mean maximum 13°C
(56°F)		 16°C
(61°F)		 20°C
(68°F)		 24°C
(76°F)		 27°C
(81°F)		 30°C
(86°F)		 35°C
(95°F)		 33°C
(92°F)		 34°C
(93°F)		 25°C
(78°F)		 20°C
(69°F)		 17°C
(62°F)
Average high 4°C
(39°F)		 3°C
(38°F)		 9°C
(48°F)		 13°C
(56°F)		 17°C
(63°F)		 25°C
(78°F)		 29°C
(85°F)		 28°C
(83°F)		 25°C
(77°F)		 14°C
(58°F)		 10°C
(50°F)		 5°C
(42°F)
Daily mean -1°C
(31°F)		 -2°C
(28°F)		 3°C
(37°F)		 6°C
(43°F)		 11°C
(52°F)		 19°C
(66°F)		 22°C
(72°F)		 21°C
(70°F)		 17°C
(63°F)		 8°C
(46°F)		 4°C
(40°F)		 0°C
(33°F)
Average low -5°C
(22°F)		 -8°C
(18°F)		 -3°C
(27°F)		 -0°C
(31°F)		 5°C
(41°F)		 11°C
(53°F)		 15°C
(59°F)		 14°C
(57°F)		 10°C
(50°F)		 1°C
(34°F)		 -2°C
(29°F)		 -4°C
(24°F)
Mean minimum -19°C
(-2°F)		 -23°C
(-9°F)		 -15°C
(6°F)		 -11°C
(13°F)		 -2°C
(29°F)		 5°C
(42°F)		 9°C
(49°F)		 9°C
(48°F)		 1°C
(35°F)		 -12°C
(11°F)		 -12°C
(10°F)		 -15°C
(5°F)
Minimum -27°C
(-16°F)		 -29°C
(-19°F)		 -26°C
(-15°F)		 -18°C
(0°F)		 -4°C
(25°F)		 4°C
(39°F)		 6°C
(42°F)		 6°C
(43°F)		 -4°C
(26°F)		 -19°C
(-1°F)		 -21°C
(-5°F)		 -18°C
(-0°F)

Compare climate in Cheyenne with other places

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

Monthly average precipitation in Cheyenne, United States §

Cheyenne usually has the most precipitation in March, April and May, with an average of 10 rainy days and 71 mm (2.8 inches) of precipitation per month.The driest months in Cheyenne are January, September and December. On average, 18 mm (0.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Cheyenne, 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) 15 (0.6) 22 (0.9) 55 (2.2) 52 (2.1) 106 (4.2) 48 (1.9) 36 (1.4) 33 (1.3) 20 (0.8) 38 (1.5) 25 (1.0) 18 (0.7)
Average precipitation days (≥ 1 mm) 4 6 8 10 14 9 9 6 4 6 5 4

Monthly sunshine hours in Cheyenne, United States §

The sunniest months in Cheyenne are June, July and August, when the sun shines an average of 11 hours 59 minutes a day.Least sunny months in Cheyenne: January, February and December receive an average of 7 hours 4 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Cheyenne, 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 184 227 273 291 308 369 383 351 297 266 242 230
Mean daily daylight hours 9h 34m 10h 38m 11h 58m 13h 20m 14h 30m 15h 5m 14h 46m 13h 43m 12h 24m 11h 2m 9h 51m 9h 14m

Solar UV radiation in Cheyenne, United States §

Cheyenne 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 exposure category. In these months, the maximum values of the UV index do not exceed 4. For more detailed information, check out our hourly Cheyenne UV Index data.

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