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Monthly climate in Clark Fork, Idaho, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Clark Fork features a humid continental climate (Dsb). Temperatures typically range between -3 °C (27 °F) and 21 °C (70 °F) through the year, but rarely can drop to -21 °C (-5 °F) or can rise to as high as 40 °C (105 °F). The average annual precipitation amounts to about 1056 mm (41.6 inches) and receives 144 rainy days on the 1 mm (0.04 inches) threshold annually. Clark Fork enjoys an average of 2802 hours of sunshine throughout the year, and daylight varies from 8 hours 24 minutes to 15 hours 59 minutes per day.

Monthly average temperatures in Clark Fork, Idaho, United States §

The warmest months in Clark Fork are July, August and September, with daily mean temperatures ranging from 15 to 21 °C (60 - 70 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -3 to 0 °C (27 - 31 °F) throughout the day. On average each year, Clark Fork experiences 41 days above 25 °C (77.0 °F) and 109 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Clark Fork, Idaho, 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)		 11°C
(51°F)		 16°C
(62°F)		 25°C
(76°F)		 30°C
(86°F)		 40°C
(105°F)		 40°C
(104°F)		 38°C
(100°F)		 32°C
(89°F)		 24°C
(75°F)		 13°C
(56°F)		 12°C
(54°F)
Mean maximum 6°C
(42°F)		 7°C
(46°F)		 12°C
(54°F)		 18°C
(65°F)		 26°C
(79°F)		 28°C
(83°F)		 34°C
(93°F)		 34°C
(94°F)		 29°C
(85°F)		 19°C
(67°F)		 11°C
(52°F)		 8°C
(46°F)
Average high 1°C
(34°F)		 -0°C
(32°F)		 5°C
(42°F)		 9°C
(49°F)		 16°C
(61°F)		 20°C
(69°F)		 26°C
(79°F)		 26°C
(79°F)		 20°C
(68°F)		 11°C
(53°F)		 5°C
(41°F)		 1°C
(35°F)
Daily mean -1°C
(30°F)		 -3°C
(27°F)		 1°C
(35°F)		 5°C
(42°F)		 11°C
(52°F)		 15°C
(59°F)		 20°C
(69°F)		 21°C
(70°F)		 15°C
(60°F)		 8°C
(46°F)		 3°C
(37°F)		 -0°C
(31°F)
Average low -3°C
(26°F)		 -6°C
(21°F)		 -2°C
(29°F)		 1°C
(35°F)		 6°C
(44°F)		 10°C
(50°F)		 14°C
(58°F)		 15°C
(60°F)		 11°C
(52°F)		 4°C
(40°F)		 1°C
(33°F)		 -2°C
(28°F)
Mean minimum -12°C
(10°F)		 -16°C
(3°F)		 -10°C
(14°F)		 -4°C
(25°F)		 1°C
(35°F)		 6°C
(42°F)		 10°C
(49°F)		 10°C
(51°F)		 4°C
(40°F)		 -4°C
(25°F)		 -6°C
(22°F)		 -9°C
(16°F)
Minimum -16°C
(4°F)		 -21°C
(-5°F)		 -19°C
(-2°F)		 -7°C
(20°F)		 -1°C
(31°F)		 5°C
(40°F)		 8°C
(47°F)		 9°C
(49°F)		 1°C
(34°F)		 -10°C
(15°F)		 -9°C
(16°F)		 -14°C
(8°F)

Compare climate in Clark Fork with other places

Compare temperature, precipitation, sunshine, UV index in Clark Fork, Idaho, United States with other places around the world.

Monthly average precipitation in Clark Fork, Idaho, United States §

Clark Fork usually has the most precipitation in February, November and December, with an average of 18 rainy days and 142 mm (5.6 inches) of precipitation per month. The driest months in Clark Fork are June, July and August. On average, 27 mm (1.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Clark Fork, Idaho, 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) 122 (4.8) 128 (5.0) 95 (3.7) 88 (3.5) 67 (2.6) 42 (1.7) 10 (0.4) 29 (1.1) 61 (2.4) 116 (4.6) 144 (5.7) 155 (6.1)
Average precipitation days (≥ 1 mm) 15 16 15 15 10 9 2 4 7 12 19 20

Monthly sunshine hours in Clark Fork, Idaho, United States §

The sunniest months in Clark Fork are June, July and August, when the sun shines an average of 12 hours 10 minutes a day. Least sunny months in Clark Fork: January, November and December receive an average of 3 hours 2 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Clark Fork, Idaho, 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 79 132 202 252 325 353 412 353 274 214 112 88
Mean daily daylight hours 8h 51m 10h 14m 11h 57m 13h 42m 15h 13m 15h 59m 15h 33m 14h 11m 12h 30m 10h 45m 9h 12m 8h 24m

Solar UV radiation in Clark Fork, Idaho, United States §

Clark Fork experiences the highest level of ultraviolet (UV) radiation in June, 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 Clark Fork UV Index data.

Average daily maximum UV levels by month for Clark Fork, Idaho, 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 8 9 9 9 7 4 3 2

Detailed Monthly Weather Insights for Clark Fork, Idaho, United States

Discover in-depth weather details for every month in Clark Fork. 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 Clark Fork'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.