Last updated: May 6, 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.
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).
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 temperature, precipitation, sunshine, UV index in Clark Fork, Idaho, United States with other places around the world.
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.
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 |
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.
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 |
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.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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UV Index (month maximum) | 2 | 4 | 6 | 7 | 8 | 9 | 9 | 9 | 7 | 4 | 3 | 2 |