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Monthly climate in Jackson, Wyoming, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Jackson features a subarctic climate (Dfc).Temperatures typically range between -8 °C (18 °F) and 17 °C (62 °F) through the year, but rarely can drop to -26 °C (-14 °F) or can rise to as high as 30 °C (86 °F).The average annual precipitation amounts to about 891 mm (35.1 inches) and receives 149 rainy days on the 1 mm (0.04 inches) threshold annually.Jackson enjoys an average of 3119 hours of sunshine throughout the year, and daylight varies from 8 hours 59 minutes to 15 hours 21 minutes per day.

Monthly average temperatures in Jackson, Wyoming, United States §

The warmest months in Jackson are June, July and August, with daily mean temperatures ranging from 11 to 17 °C (53 - 62 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -8 to -7 °C (18 - 19 °F) throughout the day. On average each year, Jackson experiences 22 days above 25 °C (77.0 °F) and 222 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Jackson, 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 3°C
(38°F)		 6°C
(43°F)		 12°C
(55°F)		 15°C
(59°F)		 21°C
(69°F)		 27°C
(81°F)		 30°C
(86°F)		 30°C
(86°F)		 28°C
(83°F)		 20°C
(68°F)		 12°C
(54°F)		 7°C
(45°F)
Mean maximum 1°C
(35°F)		 3°C
(38°F)		 10°C
(49°F)		 13°C
(55°F)		 17°C
(63°F)		 22°C
(71°F)		 28°C
(83°F)		 28°C
(83°F)		 26°C
(80°F)		 16°C
(62°F)		 8°C
(47°F)		 3°C
(37°F)
Average high -4°C
(25°F)		 -3°C
(26°F)		 2°C
(37°F)		 5°C
(41°F)		 9°C
(49°F)		 18°C
(65°F)		 24°C
(76°F)		 23°C
(74°F)		 18°C
(64°F)		 7°C
(45°F)		 1°C
(34°F)		 -4°C
(25°F)
Daily mean -8°C
(18°F)		 -7°C
(19°F)		 -2°C
(28°F)		 0°C
(33°F)		 4°C
(39°F)		 11°C
(53°F)		 17°C
(62°F)		 15°C
(60°F)		 10°C
(51°F)		 1°C
(34°F)		 -4°C
(24°F)		 -8°C
(18°F)
Average low -12°C
(12°F)		 -11°C
(13°F)		 -7°C
(20°F)		 -4°C
(24°F)		 -2°C
(29°F)		 4°C
(39°F)		 8°C
(46°F)		 7°C
(45°F)		 3°C
(37°F)		 -5°C
(24°F)		 -10°C
(15°F)		 -12°C
(11°F)
Mean minimum -21°C
(-6°F)		 -20°C
(-3°F)		 -16°C
(4°F)		 -13°C
(10°F)		 -7°C
(19°F)		 -2°C
(28°F)		 2°C
(36°F)		 2°C
(36°F)		 -6°C
(22°F)		 -17°C
(2°F)		 -20°C
(-5°F)		 -20°C
(-4°F)
Minimum -25°C
(-13°F)		 -23°C
(-9°F)		 -22°C
(-8°F)		 -15°C
(5°F)		 -10°C
(14°F)		 -3°C
(26°F)		 -0°C
(32°F)		 -0°C
(32°F)		 -10°C
(15°F)		 -26°C
(-14°F)		 -22°C
(-7°F)		 -22°C
(-7°F)

Compare climate in Jackson with other places

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

Monthly average precipitation in Jackson, Wyoming, United States §

Jackson usually has the most precipitation in February, April and November, with an average of 16 rainy days and 108 mm (4.3 inches) of precipitation per month.The driest months in Jackson are July, August and September. On average, 40 mm (1.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Jackson, 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) 82 (3.2) 132 (5.2) 76 (3.0) 103 (4.0) 67 (2.6) 66 (2.6) 28 (1.1) 35 (1.4) 58 (2.3) 70 (2.7) 91 (3.6) 83 (3.3)
Average precipitation days (≥ 1 mm) 13 19 16 16 12 11 7 7 7 12 14 15

Monthly sunshine hours in Jackson, Wyoming, United States §

The sunniest months in Jackson are June, July and August, when the sun shines an average of 12 hours 14 minutes a day.Least sunny months in Jackson: January, February and December receive an average of 4 hours 32 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Jackson, 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 116 143 252 263 334 371 396 359 302 245 182 152
Mean daily daylight hours 9h 21m 10h 30m 11h 58m 13h 27m 14h 43m 15h 21m 15h 0m 13h 52m 12h 26m 10h 57m 9h 39m 8h 59m

Solar UV radiation in Jackson, Wyoming, United States §

Jackson experiences the highest level of ultraviolet (UV) radiation in May, June 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 Low / 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 Jackson UV Index data.

Average daily maximum UV levels by month for Jackson, 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 11 12 11 11 9 6 4 2