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Monthly climate in Bigfork, Montana, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Bigfork features a humid continental climate (Dfb).Temperatures typically range between -5 °C (23 °F) and 19 °C (67 °F) through the year, but rarely can drop to -25 °C (-14 °F) or can rise to as high as 37 °C (99 °F).The average annual precipitation amounts to about 849 mm (33.4 inches) and receives 154 rainy days on the 1 mm (0.04 inches) threshold annually.Bigfork enjoys an average of 2828 hours of sunshine throughout the year, and daylight varies from 8 hours 25 minutes to 15 hours 58 minutes per day.

Monthly average temperatures in Bigfork, Montana, United States §

The warmest months in Bigfork are July, August and September, with daily mean temperatures ranging from 14 to 19 °C (58 - 67 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -5 to -1 °C (23 - 31 °F) throughout the day. On average each year, Bigfork experiences 34 days above 25 °C (77.0 °F) and 126 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Bigfork, Montana, 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
(44°F)		 9°C
(49°F)		 17°C
(63°F)		 24°C
(75°F)		 29°C
(84°F)		 33°C
(91°F)		 36°C
(97°F)		 37°C
(99°F)		 30°C
(85°F)		 23°C
(74°F)		 15°C
(59°F)		 13°C
(55°F)
Mean maximum 5°C
(42°F)		 7°C
(45°F)		 12°C
(55°F)		 18°C
(65°F)		 24°C
(76°F)		 26°C
(78°F)		 32°C
(91°F)		 34°C
(94°F)		 28°C
(83°F)		 20°C
(68°F)		 12°C
(53°F)		 8°C
(46°F)
Average high 0°C
(33°F)		 -2°C
(29°F)		 4°C
(40°F)		 8°C
(46°F)		 14°C
(58°F)		 19°C
(66°F)		 25°C
(78°F)		 25°C
(77°F)		 19°C
(66°F)		 11°C
(52°F)		 5°C
(41°F)		 1°C
(35°F)
Daily mean -2°C
(29°F)		 -5°C
(23°F)		 0°C
(32°F)		 4°C
(39°F)		 9°C
(49°F)		 14°C
(57°F)		 19°C
(66°F)		 19°C
(67°F)		 14°C
(58°F)		 7°C
(45°F)		 2°C
(37°F)		 -1°C
(31°F)
Average low -4°C
(25°F)		 -8°C
(17°F)		 -4°C
(26°F)		 -0°C
(32°F)		 4°C
(40°F)		 8°C
(47°F)		 12°C
(54°F)		 14°C
(57°F)		 10°C
(51°F)		 4°C
(39°F)		 0°C
(32°F)		 -3°C
(27°F)
Mean minimum -13°C
(9°F)		 -20°C
(-5°F)		 -14°C
(7°F)		 -6°C
(21°F)		 -0°C
(32°F)		 2°C
(37°F)		 8°C
(46°F)		 9°C
(48°F)		 3°C
(38°F)		 -6°C
(22°F)		 -9°C
(17°F)		 -11°C
(12°F)
Minimum -16°C
(3°F)		 -25°C
(-14°F)		 -23°C
(-9°F)		 -10°C
(14°F)		 -4°C
(25°F)		 2°C
(36°F)		 6°C
(43°F)		 8°C
(47°F)		 -0°C
(32°F)		 -12°C
(10°F)		 -13°C
(10°F)		 -16°C
(3°F)

Compare climate in Bigfork with other places

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

Monthly average precipitation in Bigfork, Montana, United States §

Bigfork usually has the most precipitation in February, November and December, with an average of 19 rainy days and 102 mm (4.0 inches) of precipitation per month.The driest months in Bigfork are July, August and September. On average, 35 mm (1.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Bigfork, Montana, 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) 69 (2.7) 103 (4.1) 64 (2.5) 82 (3.2) 69 (2.7) 63 (2.5) 18 (0.7) 27 (1.1) 59 (2.3) 91 (3.6) 101 (4.0) 102 (4.0)
Average precipitation days (≥ 1 mm) 13 19 16 17 11 11 2 4 9 13 19 20

Monthly sunshine hours in Bigfork, Montana, United States §

The sunniest months in Bigfork are June, July and August, when the sun shines an average of 11 hours 58 minutes a day.Least sunny months in Bigfork: January, November and December receive an average of 3 hours 28 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Bigfork, Montana, 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 94 137 232 255 303 343 409 349 269 208 126 98
Mean daily daylight hours 8h 51m 10h 14m 11h 57m 13h 42m 15h 12m 15h 58m 15h 32m 14h 11m 12h 30m 10h 45m 9h 13m 8h 25m

Solar UV radiation in Bigfork, Montana, United States §

Bigfork experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 9 - 9, which corresponds to the Very High 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 3. For more detailed information, check out our hourly Bigfork UV Index data.

Average daily maximum UV levels by month for Bigfork, Montana, 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) 2 4 6 7 9 9 9 9 7 5 3 2