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Monthly climate in Alpine, Wyoming, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Alpine features a humid continental climate (Dfb). Temperatures typically range between -7 °C (20 °F) and 18 °C (64 °F) through the year, but rarely can drop to -25 °C (-13 °F) or can rise to as high as 31 °C (88 °F). The average annual precipitation amounts to about 841 mm (33.1 inches) and receives 142 rainy days on the 1 mm (0.04 inches) threshold annually. Alpine enjoys an average of 3070 hours of sunshine throughout the year, and daylight varies from 9 hours 1 minutes to 15 hours 18 minutes per day.

Monthly average temperatures in Alpine, Wyoming, United States §

The warmest months in Alpine are June, July and August, with daily mean temperatures ranging from 13 to 18 °C (55 - 64 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -7 to -6 °C (20 - 21 °F) throughout the day. On average each year, Alpine experiences 33 days above 25 °C (77.0 °F) and 210 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Alpine, 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 4°C
(40°F)		 7°C
(45°F)		 13°C
(56°F)		 15°C
(60°F)		 23°C
(74°F)		 28°C
(83°F)		 31°C
(87°F)		 31°C
(88°F)		 29°C
(85°F)		 21°C
(70°F)		 14°C
(58°F)		 7°C
(44°F)
Mean maximum 3°C
(37°F)		 4°C
(40°F)		 11°C
(52°F)		 13°C
(56°F)		 20°C
(69°F)		 23°C
(73°F)		 29°C
(85°F)		 29°C
(85°F)		 28°C
(82°F)		 18°C
(64°F)		 10°C
(49°F)		 4°C
(39°F)
Average high -3°C
(27°F)		 -2°C
(28°F)		 4°C
(39°F)		 6°C
(43°F)		 11°C
(52°F)		 19°C
(67°F)		 25°C
(78°F)		 24°C
(76°F)		 19°C
(66°F)		 9°C
(48°F)		 2°C
(36°F)		 -3°C
(27°F)
Daily mean -7°C
(20°F)		 -6°C
(21°F)		 -1°C
(30°F)		 1°C
(34°F)		 5°C
(41°F)		 13°C
(55°F)		 18°C
(64°F)		 17°C
(62°F)		 11°C
(53°F)		 3°C
(37°F)		 -3°C
(27°F)		 -7°C
(20°F)
Average low -11°C
(13°F)		 -10°C
(14°F)		 -6°C
(22°F)		 -4°C
(26°F)		 -1°C
(30°F)		 5°C
(41°F)		 9°C
(48°F)		 8°C
(47°F)		 4°C
(39°F)		 -3°C
(27°F)		 -9°C
(17°F)		 -11°C
(12°F)
Mean minimum -20°C
(-5°F)		 -19°C
(-1°F)		 -14°C
(7°F)		 -11°C
(12°F)		 -7°C
(20°F)		 -1°C
(30°F)		 3°C
(37°F)		 3°C
(38°F)		 -4°C
(25°F)		 -14°C
(6°F)		 -20°C
(-3°F)		 -19°C
(-2°F)
Minimum -24°C
(-11°F)		 -21°C
(-6°F)		 -20°C
(-3°F)		 -14°C
(7°F)		 -8°C
(17°F)		 -2°C
(28°F)		 1°C
(34°F)		 1°C
(34°F)		 -6°C
(21°F)		 -25°C
(-13°F)		 -22°C
(-7°F)		 -21°C
(-5°F)

Compare climate in Alpine with other places

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

Monthly average precipitation in Alpine, Wyoming, United States §

Alpine usually has the most precipitation in February, April and December, with an average of 16 rainy days and 106 mm (4.2 inches) of precipitation per month. The driest months in Alpine are July, August and September. On average, 33 mm (1.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Alpine, 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) 87 (3.4) 135 (5.3) 70 (2.8) 94 (3.7) 63 (2.5) 53 (2.1) 20 (0.8) 27 (1.1) 53 (2.1) 65 (2.6) 87 (3.4) 88 (3.5)
Average precipitation days (≥ 1 mm) 14 19 15 15 12 9 5 5 7 12 14 15

Monthly sunshine hours in Alpine, Wyoming, United States §

The sunniest months in Alpine are June, July and August, when the sun shines an average of 12 hours 11 minutes a day. Least sunny months in Alpine: January, February and December receive an average of 4 hours 19 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Alpine, 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 110 142 246 256 330 369 395 356 299 244 177 140
Mean daily daylight hours 9h 23m 10h 31m 11h 58m 13h 26m 14h 41m 15h 18m 14h 58m 13h 51m 12h 26m 10h 58m 9h 41m 9h 1m

Solar UV radiation in Alpine, Wyoming, United States §

Alpine 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 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 Alpine UV Index data.

Average daily maximum UV levels by month for Alpine, 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 8 10 11 12 11 11 9 6 4 3

Detailed Monthly Weather Insights for Alpine, Wyoming, United States

Discover in-depth weather details for every month in Alpine. 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 Alpine'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.