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Monthly climate in Butte, Alaska, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Butte features a subarctic climate (Dfc).Temperatures typically range between -12 °C (11 °F) and 13 °C (56 °F) through the year, but rarely can drop to -34 °C (-28 °F) or can rise to as high as 26 °C (79 °F).The average annual precipitation amounts to about 1219 mm (48.0 inches) and receives 184 rainy days on the 1 mm (0.04 inches) threshold annually.Butte enjoys an average of 2276 hours of sunshine throughout the year, and daylight varies from 5 hours 28 minutes to 19 hours 19 minutes per day.

Monthly average temperatures in Butte, Alaska, United States §

The warmest months in Butte are June, July and August, with daily mean temperatures ranging from 11 to 13 °C (51 - 56 °F) throughout the day. The coldest temperatures usually occur in January, February and November, when daily mean temperatures range from -12 to -9 °C (11 - 17 °F) throughout the day. On average each year, Butte experiences 0 days above 25 °C (77.0 °F) and 194 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Butte, Alaska, 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 2°C
(36°F)		 3°C
(38°F)		 8°C
(46°F)		 14°C
(58°F)		 19°C
(66°F)		 25°C
(77°F)		 26°C
(79°F)		 23°C
(74°F)		 18°C
(65°F)		 15°C
(59°F)		 4°C
(39°F)		 6°C
(42°F)
Mean maximum 1°C
(34°F)		 -0°C
(32°F)		 3°C
(37°F)		 10°C
(51°F)		 15°C
(60°F)		 20°C
(68°F)		 23°C
(73°F)		 22°C
(72°F)		 15°C
(60°F)		 10°C
(50°F)		 3°C
(37°F)		 2°C
(36°F)
Average high -9°C
(16°F)		 -6°C
(21°F)		 -3°C
(27°F)		 4°C
(40°F)		 9°C
(49°F)		 14°C
(58°F)		 17°C
(63°F)		 15°C
(59°F)		 11°C
(51°F)		 4°C
(39°F)		 -6°C
(22°F)		 -6°C
(22°F)
Daily mean -12°C
(11°F)		 -10°C
(15°F)		 -7°C
(20°F)		 0°C
(33°F)		 5°C
(42°F)		 11°C
(51°F)		 13°C
(56°F)		 12°C
(53°F)		 7°C
(45°F)		 1°C
(33°F)		 -9°C
(17°F)		 -8°C
(17°F)
Average low -15°C
(6°F)		 -13°C
(9°F)		 -11°C
(13°F)		 -4°C
(25°F)		 1°C
(35°F)		 7°C
(44°F)		 10°C
(50°F)		 8°C
(47°F)		 4°C
(39°F)		 -2°C
(28°F)		 -12°C
(11°F)		 -11°C
(12°F)
Mean minimum -27°C
(-16°F)		 -22°C
(-8°F)		 -20°C
(-4°F)		 -12°C
(11°F)		 -4°C
(26°F)		 2°C
(37°F)		 6°C
(43°F)		 3°C
(38°F)		 -3°C
(27°F)		 -13°C
(9°F)		 -23°C
(-9°F)		 -22°C
(-8°F)
Minimum -34°C
(-28°F)		 -25°C
(-13°F)		 -25°C
(-12°F)		 -19°C
(-1°F)		 -6°C
(21°F)		 -0°C
(32°F)		 5°C
(41°F)		 1°C
(34°F)		 -8°C
(17°F)		 -15°C
(6°F)		 -33°C
(-27°F)		 -26°C
(-14°F)

Compare climate in Butte with other places

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

Monthly average precipitation in Butte, Alaska, United States §

Butte usually has the most precipitation in August, October and December, with an average of 18 rainy days and 151 mm (5.9 inches) of precipitation per month.The driest months in Butte are February, March and April. On average, 67 mm (2.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Butte, Alaska, 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) 80 (3.1) 74 (2.9) 72 (2.8) 54 (2.1) 75 (2.9) 83 (3.3) 89 (3.5) 137 (5.4) 127 (5.0) 173 (6.8) 114 (4.5) 142 (5.6)
Average precipitation days (≥ 1 mm) 12 13 12 10 14 20 16 18 18 19 13 19

Monthly sunshine hours in Butte, Alaska, United States §

The sunniest months in Butte are May, June and July, when the sun shines an average of 9 hours 54 minutes a day.Least sunny months in Butte: January, November and December receive an average of 2 hours 0 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Butte, Alaska, 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 53 124 206 274 297 313 300 259 186 130 91 39
Mean daily daylight hours 6h 24m 8h 59m 11h 53m 14h 51m 17h 39m 19h 19m 18h 21m 15h 42m 12h 47m 9h 52m 7h 6m 5h 28m

Solar UV radiation in Butte, Alaska, United States §

Butte experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 6 - 7, which corresponds to the High category of sun exposure.January, February and November are in the Low exposure category. In these months, the maximum values of the UV index do not exceed 1. For more detailed information, check out our hourly Butte UV Index data.

Average daily maximum UV levels by month for Butte, Alaska, 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) 1 1 3 4 6 6 7 5 4 2 1 1