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Monthly climate in Fort Duchesne, Utah, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Fort Duchesne features a cold semi-arid climate (BSk).Temperatures typically range between -3 °C (26 °F) and 28 °C (82 °F) through the year, but rarely can drop to -23 °C (-8 °F) or can rise to as high as 42 °C (107 °F).The average annual precipitation amounts to about 219 mm (8.6 inches) and receives 44 rainy days on the 1 mm (0.04 inches) threshold annually.Fort Duchesne enjoys an average of 3503 hours of sunshine throughout the year, and daylight varies from 9 hours 20 minutes to 14 hours 58 minutes per day.

Monthly average temperatures in Fort Duchesne, Utah, United States §

The warmest months in Fort Duchesne are June, July and August, with daily mean temperatures ranging from 24 to 28 °C (75 - 82 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -3 to 0 °C (26 - 32 °F) throughout the day. On average each year, Fort Duchesne experiences 115 days above 25 °C (77.0 °F) and 116 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Fort Duchesne, Utah, 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 12°C
(53°F)		 17°C
(63°F)		 27°C
(81°F)		 29°C
(84°F)		 34°C
(93°F)		 40°C
(105°F)		 42°C
(107°F)		 40°C
(105°F)		 38°C
(101°F)		 29°C
(84°F)		 21°C
(70°F)		 17°C
(63°F)
Mean maximum 8°C
(46°F)		 14°C
(57°F)		 22°C
(72°F)		 28°C
(82°F)		 32°C
(90°F)		 35°C
(95°F)		 39°C
(103°F)		 38°C
(100°F)		 36°C
(98°F)		 26°C
(80°F)		 19°C
(67°F)		 12°C
(54°F)
Average high 2°C
(35°F)		 6°C
(43°F)		 13°C
(56°F)		 19°C
(66°F)		 24°C
(76°F)		 32°C
(90°F)		 36°C
(96°F)		 34°C
(94°F)		 29°C
(84°F)		 17°C
(63°F)		 11°C
(52°F)		 4°C
(39°F)
Daily mean -3°C
(26°F)		 -0°C
(32°F)		 6°C
(44°F)		 11°C
(53°F)		 17°C
(63°F)		 24°C
(75°F)		 28°C
(82°F)		 26°C
(79°F)		 20°C
(69°F)		 10°C
(50°F)		 5°C
(41°F)		 -1°C
(30°F)
Average low -8°C
(18°F)		 -6°C
(22°F)		 0°C
(33°F)		 4°C
(39°F)		 9°C
(49°F)		 15°C
(59°F)		 19°C
(67°F)		 17°C
(63°F)		 12°C
(54°F)		 4°C
(39°F)		 -1°C
(31°F)		 -5°C
(23°F)
Mean minimum -16°C
(4°F)		 -16°C
(4°F)		 -7°C
(19°F)		 -4°C
(25°F)		 2°C
(35°F)		 6°C
(43°F)		 13°C
(55°F)		 13°C
(55°F)		 4°C
(39°F)		 -7°C
(20°F)		 -7°C
(19°F)		 -13°C
(9°F)
Minimum -23°C
(-8°F)		 -20°C
(-3°F)		 -11°C
(12°F)		 -7°C
(20°F)		 -2°C
(28°F)		 3°C
(38°F)		 10°C
(49°F)		 10°C
(50°F)		 2°C
(36°F)		 -12°C
(11°F)		 -9°C
(16°F)		 -15°C
(6°F)

Compare climate in Fort Duchesne with other places

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

Monthly average precipitation in Fort Duchesne, Utah, United States §

Fort Duchesne usually has the most precipitation in February, March and October, with an average of 6 rainy days and 28 mm (1.1 inches) of precipitation per month.The driest months in Fort Duchesne are June, July and August. On average, 9 mm (0.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Fort Duchesne, Utah, 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) 23 (0.9) 26 (1.0) 32 (1.3) 17 (0.7) 20 (0.8) 10 (0.4) 6 (0.3) 10 (0.4) 15 (0.6) 27 (1.0) 13 (0.5) 20 (0.8)
Average precipitation days (≥ 1 mm) 5 5 8 3 3 2 1 2 2 5 3 5

Monthly sunshine hours in Fort Duchesne, Utah, United States §

The sunniest months in Fort Duchesne are May, June and July, when the sun shines an average of 12 hours 5 minutes a day.Least sunny months in Fort Duchesne: January, February and December receive an average of 6 hours 56 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Fort Duchesne, Utah, 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 178 229 275 310 353 381 377 352 307 272 240 223
Mean daily daylight hours 9h 39m 10h 40m 11h 58m 13h 18m 14h 25m 14h 58m 14h 40m 13h 40m 12h 24m 11h 4m 9h 55m 9h 20m

Solar UV radiation in Fort Duchesne, Utah, United States §

Fort Duchesne 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 5. For more detailed information, check out our hourly Fort Duchesne UV Index data.

Average daily maximum UV levels by month for Fort Duchesne, Utah, 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 6 8 10 11 12 12 11 10 7 5 3