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Monthly climate in Gunnison, Colorado, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Gunnison features a subarctic climate (Dfc). Temperatures typically range between -9 °C (16 °F) and 17 °C (62 °F) through the year, but rarely can drop to -30 °C (-22 °F) or can rise to as high as 30 °C (86 °F). The average annual precipitation amounts to about 461 mm (18.1 inches) and receives 101 rainy days on the 1 mm (0.04 inches) threshold annually. Gunnison enjoys an average of 3589 hours of sunshine throughout the year, and daylight varies from 9 hours 30 minutes to 14 hours 48 minutes per day.

Monthly average temperatures in Gunnison, Colorado, United States §

The warmest months in Gunnison are June, July and August, with daily mean temperatures ranging from 14 to 17 °C (57 - 62 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -9 to -7 °C (16 - 19 °F) throughout the day. On average each year, Gunnison experiences 31 days above 25 °C (77.0 °F) and 217 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Gunnison, Colorado, 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 7°C
(45°F)		 12°C
(54°F)		 12°C
(55°F)		 16°C
(61°F)		 23°C
(74°F)		 29°C
(84°F)		 30°C
(86°F)		 29°C
(84°F)		 28°C
(82°F)		 22°C
(72°F)		 15°C
(58°F)		 11°C
(52°F)
Mean maximum 4°C
(40°F)		 7°C
(45°F)		 11°C
(52°F)		 14°C
(58°F)		 20°C
(68°F)		 25°C
(77°F)		 29°C
(84°F)		 27°C
(81°F)		 26°C
(80°F)		 20°C
(68°F)		 11°C
(53°F)		 6°C
(44°F)
Average high -1°C
(30°F)		 -0°C
(32°F)		 4°C
(40°F)		 8°C
(46°F)		 14°C
(57°F)		 22°C
(71°F)		 25°C
(77°F)		 24°C
(76°F)		 20°C
(69°F)		 12°C
(53°F)		 5°C
(42°F)		 -1°C
(31°F)
Daily mean -9°C
(16°F)		 -7°C
(19°F)		 -3°C
(27°F)		 1°C
(34°F)		 6°C
(44°F)		 14°C
(57°F)		 17°C
(62°F)		 16°C
(61°F)		 12°C
(54°F)		 4°C
(39°F)		 -4°C
(26°F)		 -9°C
(16°F)
Average low -16°C
(4°F)		 -13°C
(8°F)		 -9°C
(16°F)		 -6°C
(22°F)		 -1°C
(30°F)		 4°C
(40°F)		 8°C
(47°F)		 7°C
(46°F)		 4°C
(39°F)		 -3°C
(27°F)		 -11°C
(12°F)		 -16°C
(3°F)
Mean minimum -25°C
(-13°F)		 -23°C
(-9°F)		 -19°C
(-2°F)		 -14°C
(6°F)		 -7°C
(20°F)		 -1°C
(30°F)		 4°C
(39°F)		 4°C
(40°F)		 -3°C
(27°F)		 -17°C
(2°F)		 -23°C
(-10°F)		 -26°C
(-15°F)
Minimum -28°C
(-18°F)		 -28°C
(-18°F)		 -24°C
(-10°F)		 -18°C
(1°F)		 -10°C
(14°F)		 -3°C
(27°F)		 1°C
(35°F)		 3°C
(38°F)		 -6°C
(22°F)		 -25°C
(-13°F)		 -28°C
(-18°F)		 -30°C
(-22°F)

Compare climate in Gunnison with other places

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

Monthly average precipitation in Gunnison, Colorado, United States §

Gunnison usually has the most precipitation in February, March and December, with an average of 11 rainy days and 54 mm (2.1 inches) of precipitation per month. The driest months in Gunnison are June, August and September. On average, 19 mm (0.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Gunnison, Colorado, 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) 44 (1.8) 58 (2.3) 56 (2.2) 43 (1.7) 40 (1.6) 18 (0.7) 35 (1.4) 16 (0.6) 24 (0.9) 41 (1.6) 37 (1.5) 48 (1.9)
Average precipitation days (≥ 1 mm) 9 12 12 10 9 5 8 5 5 9 7 10

Monthly sunshine hours in Gunnison, Colorado, United States §

The sunniest months in Gunnison are May, June and July, when the sun shines an average of 12 hours 18 minutes a day. Least sunny months in Gunnison: January, February and December receive an average of 6 hours 53 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Gunnison, Colorado, 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 176 224 293 326 367 382 382 359 317 285 248 225
Mean daily daylight hours 9h 48m 10h 45m 11h 58m 13h 14m 14h 17m 14h 48m 14h 30m 13h 34m 12h 22m 11h 8m 10h 3m 9h 30m

Solar UV radiation in Gunnison, Colorado, United States §

Gunnison experiences the highest level of ultraviolet (UV) radiation in April, May and July, when the maximum UV index can reach values of 13 - 13, which corresponds to the Extreme category of sun exposure. January, November and December are in the Moderate / High exposure category. In these months, the maximum values of the UV index do not exceed 6. For more detailed information, check out our hourly Gunnison UV Index data.

Average daily maximum UV levels by month for Gunnison, Colorado, 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 7 11 13 13 13 13 12 10 7 6 4

Detailed Monthly Weather Insights for Gunnison, Colorado, United States

Discover in-depth weather details for every month in Gunnison. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Gunnison's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.

Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.