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Monthly climate in Mount Crested Butte, Colorado, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Mount Crested Butte features a subarctic climate (Dfc). Temperatures typically range between -9 °C (16 °F) and 14 °C (58 °F) through the year, but rarely can drop to -32 °C (-25 °F) or can rise to as high as 26 °C (80 °F). The average annual precipitation amounts to about 663 mm (26.1 inches) and receives 124 rainy days on the 1 mm (0.04 inches) threshold annually. Mount Crested Butte enjoys an average of 3557 hours of sunshine throughout the year, and daylight varies from 9 hours 28 minutes to 14 hours 50 minutes per day.

Monthly average temperatures in Mount Crested Butte, Colorado, United States §

The warmest months in Mount Crested Butte are June, July and August, with daily mean temperatures ranging from 11 to 14 °C (51 - 58 °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, Mount Crested Butte experiences 3 days above 25 °C (77.0 °F) and 228 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Mount Crested Butte, 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 5°C
(42°F)		 10°C
(51°F)		 11°C
(52°F)		 12°C
(54°F)		 20°C
(69°F)		 26°C
(79°F)		 26°C
(80°F)		 25°C
(78°F)		 25°C
(77°F)		 19°C
(67°F)		 13°C
(56°F)		 8°C
(47°F)
Mean maximum 3°C
(38°F)		 5°C
(41°F)		 9°C
(48°F)		 11°C
(53°F)		 16°C
(62°F)		 22°C
(71°F)		 26°C
(79°F)		 24°C
(76°F)		 24°C
(75°F)		 17°C
(63°F)		 9°C
(49°F)		 6°C
(42°F)
Average high -3°C
(28°F)		 -2°C
(28°F)		 2°C
(37°F)		 5°C
(42°F)		 10°C
(50°F)		 18°C
(65°F)		 22°C
(72°F)		 21°C
(70°F)		 18°C
(64°F)		 9°C
(48°F)		 3°C
(38°F)		 -2°C
(29°F)
Daily mean -9°C
(17°F)		 -7°C
(19°F)		 -3°C
(27°F)		 -0°C
(32°F)		 4°C
(39°F)		 11°C
(51°F)		 14°C
(58°F)		 14°C
(57°F)		 10°C
(50°F)		 2°C
(35°F)		 -5°C
(23°F)		 -9°C
(16°F)
Average low -14°C
(8°F)		 -12°C
(10°F)		 -8°C
(17°F)		 -6°C
(22°F)		 -3°C
(27°F)		 2°C
(36°F)		 7°C
(44°F)		 6°C
(43°F)		 3°C
(37°F)		 -5°C
(23°F)		 -13°C
(9°F)		 -16°C
(4°F)
Mean minimum -23°C
(-9°F)		 -22°C
(-7°F)		 -18°C
(0°F)		 -15°C
(5°F)		 -8°C
(18°F)		 -4°C
(26°F)		 1°C
(35°F)		 3°C
(37°F)		 -4°C
(24°F)		 -21°C
(-6°F)		 -26°C
(-14°F)		 -27°C
(-16°F)
Minimum -24°C
(-11°F)		 -25°C
(-12°F)		 -21°C
(-6°F)		 -18°C
(-0°F)		 -11°C
(13°F)		 -6°C
(21°F)		 0°C
(33°F)		 2°C
(35°F)		 -7°C
(20°F)		 -32°C
(-25°F)		 -28°C
(-19°F)		 -30°C
(-22°F)

Compare climate in Mount Crested Butte with other places

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

Monthly average precipitation in Mount Crested Butte, Colorado, United States §

Mount Crested Butte usually has the most precipitation in February, March and December, with an average of 13 rainy days and 74 mm (2.9 inches) of precipitation per month. The driest months in Mount Crested Butte are June, August and September. On average, 30 mm (1.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Mount Crested Butte, 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) 60 (2.4) 79 (3.1) 77 (3.0) 64 (2.5) 58 (2.3) 27 (1.1) 61 (2.4) 30 (1.2) 33 (1.3) 58 (2.3) 49 (1.9) 67 (2.6)
Average precipitation days (≥ 1 mm) 11 14 14 13 10 6 13 7 7 10 8 11

Monthly sunshine hours in Mount Crested Butte, Colorado, United States §

The sunniest months in Mount Crested Butte are May, June and July, when the sun shines an average of 12 hours 21 minutes a day. Least sunny months in Mount Crested Butte: January, February and December receive an average of 6 hours 42 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Mount Crested Butte, 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 168 221 285 319 365 384 387 360 317 283 242 219
Mean daily daylight hours 9h 46m 10h 44m 11h 58m 13h 14m 14h 18m 14h 50m 14h 32m 13h 35m 12h 23m 11h 7m 10h 1m 9h 28m

Solar UV radiation in Mount Crested Butte, Colorado, United States §

Mount Crested Butte experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 13 - 14, 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 Mount Crested Butte UV Index data.

Average daily maximum UV levels by month for Mount Crested Butte, 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 6 9 12 13 14 13 12 10 7 5 4

Detailed Monthly Weather Insights for Mount Crested Butte, Colorado, United States

Discover in-depth weather details for every month in Mount Crested Butte. 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 Mount Crested Butte'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.