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Monthly climate in Guernsey, Wyoming, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Guernsey features a cold semi-arid climate (BSk).Temperatures typically range between -2 °C (29 °F) and 25 °C (77 °F) through the year, but rarely can drop to -31 °C (-23 °F) or can rise to as high as 40 °C (103 °F).The average annual precipitation amounts to about 386 mm (15.2 inches) and receives 71 rainy days on the 1 mm (0.04 inches) threshold annually.Guernsey enjoys an average of 3418 hours of sunshine throughout the year, and daylight varies from 9 hours 7 minutes to 15 hours 12 minutes per day.

Monthly average temperatures in Guernsey, Wyoming, United States §

The warmest months in Guernsey are June, July and August, with daily mean temperatures ranging from 21 to 25 °C (70 - 77 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -2 to 1 °C (29 - 33 °F) throughout the day. On average each year, Guernsey experiences 95 days above 25 °C (77.0 °F) and 128 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Guernsey, 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 17°C
(63°F)		 21°C
(70°F)		 26°C
(79°F)		 28°C
(82°F)		 31°C
(89°F)		 39°C
(103°F)		 40°C
(103°F)		 37°C
(100°F)		 39°C
(103°F)		 30°C
(87°F)		 23°C
(74°F)		 22°C
(72°F)
Mean maximum 14°C
(57°F)		 16°C
(61°F)		 22°C
(71°F)		 27°C
(80°F)		 30°C
(86°F)		 33°C
(91°F)		 39°C
(102°F)		 36°C
(97°F)		 37°C
(99°F)		 28°C
(82°F)		 21°C
(70°F)		 17°C
(63°F)
Average high 5°C
(41°F)		 4°C
(40°F)		 11°C
(52°F)		 15°C
(59°F)		 19°C
(67°F)		 28°C
(83°F)		 32°C
(90°F)		 31°C
(88°F)		 26°C
(80°F)		 15°C
(60°F)		 11°C
(52°F)		 6°C
(43°F)
Daily mean -1°C
(31°F)		 -2°C
(29°F)		 4°C
(39°F)		 8°C
(46°F)		 13°C
(55°F)		 21°C
(70°F)		 25°C
(77°F)		 23°C
(74°F)		 19°C
(66°F)		 8°C
(47°F)		 4°C
(40°F)		 1°C
(33°F)
Average low -6°C
(22°F)		 -8°C
(18°F)		 -2°C
(28°F)		 0°C
(33°F)		 6°C
(43°F)		 13°C
(56°F)		 17°C
(62°F)		 15°C
(59°F)		 11°C
(52°F)		 2°C
(35°F)		 -2°C
(29°F)		 -5°C
(24°F)
Mean minimum -21°C
(-5°F)		 -21°C
(-5°F)		 -13°C
(8°F)		 -10°C
(15°F)		 -1°C
(31°F)		 6°C
(44°F)		 10°C
(51°F)		 9°C
(49°F)		 2°C
(36°F)		 -13°C
(10°F)		 -12°C
(11°F)		 -17°C
(2°F)
Minimum -28°C
(-19°F)		 -31°C
(-23°F)		 -28°C
(-18°F)		 -13°C
(8°F)		 -3°C
(27°F)		 5°C
(42°F)		 8°C
(46°F)		 8°C
(47°F)		 -2°C
(29°F)		 -23°C
(-9°F)		 -17°C
(1°F)		 -27°C
(-16°F)

Compare climate in Guernsey with other places

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

Monthly average precipitation in Guernsey, Wyoming, United States §

Guernsey usually has the most precipitation in March, April and May, with an average of 9 rainy days and 60 mm (2.4 inches) of precipitation per month.The driest months in Guernsey are January, August and November. On average, 15 mm (0.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Guernsey, 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) 12 (0.5) 23 (0.9) 50 (2.0) 45 (1.8) 85 (3.3) 37 (1.5) 27 (1.1) 16 (0.6) 24 (0.9) 33 (1.3) 17 (0.7) 17 (0.7)
Average precipitation days (≥ 1 mm) 3 6 5 9 13 7 6 4 4 6 4 4

Monthly sunshine hours in Guernsey, Wyoming, United States §

The sunniest months in Guernsey are June, July and August, when the sun shines an average of 12 hours 7 minutes a day.Least sunny months in Guernsey: January, February and December receive an average of 6 hours 52 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Guernsey, 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 179 223 277 288 313 372 387 355 300 258 239 221
Mean daily daylight hours 9h 28m 10h 34m 11h 58m 13h 23m 14h 36m 15h 12m 14h 52m 13h 47m 12h 25m 11h 0m 9h 45m 9h 7m

Solar UV radiation in Guernsey, Wyoming, United States §

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

Average daily maximum UV levels by month for Guernsey, 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 7 10 10 11 11 10 8 6 4 3