Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Downieville-Lawson-Dumont features a subarctic climate (Dfc).Temperatures typically range between -7 °C (20 °F) and 15 °C (58 °F) through the year, but rarely can drop to -32 °C (-24 °F) or can rise to as high as 28 °C (82 °F).The average annual precipitation amounts to about 967 mm (38.1 inches) and receives 154 rainy days on the 1 mm (0.04 inches) threshold annually.Downieville-Lawson-Dumont enjoys an average of 3592 hours of sunshine throughout the year, and daylight varies from 9 hours 23 minutes to 14 hours 55 minutes per day.
The warmest months in Downieville-Lawson-Dumont are June, July and August, with daily mean temperatures ranging from 12 to 15 °C (54 - 58 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -7 to -5 °C (20 - 23 °F) throughout the day. On average each year, Downieville-Lawson-Dumont experiences 6 days above 25 °C (77.0 °F) and 213 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 9°C (49°F) | 13°C (55°F) | 16°C (61°F) | 17°C (62°F) | 22°C (72°F) | 27°C (81°F) | 28°C (82°F) | 26°C (79°F) | 27°C (81°F) | 21°C (70°F) | 16°C (62°F) | 14°C (57°F) |
Mean maximum | 8°C (46°F) | 9°C (48°F) | 13°C (55°F) | 14°C (58°F) | 20°C (68°F) | 23°C (73°F) | 27°C (80°F) | 24°C (76°F) | 26°C (78°F) | 19°C (66°F) | 13°C (55°F) | 9°C (49°F) |
Average high | -0°C (32°F) | -1°C (31°F) | 4°C (39°F) | 6°C (44°F) | 11°C (53°F) | 19°C (67°F) | 21°C (71°F) | 21°C (70°F) | 18°C (65°F) | 10°C (50°F) | 5°C (42°F) | 1°C (34°F) |
Daily mean | -6°C (21°F) | -7°C (20°F) | -3°C (28°F) | -0°C (32°F) | 5°C (41°F) | 12°C (54°F) | 15°C (58°F) | 14°C (57°F) | 11°C (51°F) | 3°C (37°F) | -1°C (30°F) | -5°C (23°F) |
Average low | -11°C (12°F) | -12°C (10°F) | -9°C (17°F) | -6°C (21°F) | -2°C (29°F) | 4°C (40°F) | 8°C (46°F) | 7°C (45°F) | 4°C (39°F) | -4°C (25°F) | -7°C (20°F) | -11°C (13°F) |
Mean minimum | -23°C (-10°F) | -25°C (-13°F) | -17°C (1°F) | -15°C (5°F) | -9°C (16°F) | -1°C (30°F) | 2°C (36°F) | 4°C (39°F) | -5°C (23°F) | -17°C (2°F) | -16°C (4°F) | -21°C (-5°F) |
Minimum | -27°C (-16°F) | -32°C (-24°F) | -23°C (-9°F) | -19°C (-3°F) | -13°C (8°F) | -3°C (27°F) | -0°C (32°F) | 1°C (34°F) | -9°C (15°F) | -22°C (-7°F) | -21°C (-5°F) | -24°C (-11°F) |
Compare temperature, precipitation, sunshine, UV index in Downieville-Lawson-Dumont, Colorado, United States with other places around the world.
Downieville-Lawson-Dumont usually has the most precipitation in May, June and July, with an average of 20 rainy days and 149 mm (5.9 inches) of precipitation per month.The driest months in Downieville-Lawson-Dumont are January, November and December. 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) | 26 (1.0) | 42 (1.6) | 69 (2.7) | 75 (3.0) | 160 (6.3) | 130 (5.1) | 158 (6.2) | 125 (4.9) | 70 (2.8) | 58 (2.3) | 31 (1.2) | 23 (0.9) |
Average precipitation days (≥ 1 mm) | 6 | 10 | 11 | 11 | 20 | 19 | 22 | 21 | 12 | 10 | 6 | 6 |
The sunniest months in Downieville-Lawson-Dumont are June, July and August, when the sun shines an average of 12 hours 7 minutes a day.Least sunny months in Downieville-Lawson-Dumont: January, February and December receive an average of 7 hours 21 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 187 | 239 | 294 | 315 | 349 | 379 | 380 | 355 | 313 | 281 | 251 | 243 |
Mean daily daylight hours | 9h 42m | 10h 42m | 11h 58m | 13h 17m | 14h 23m | 14h 55m | 14h 37m | 13h 38m | 12h 23m | 11h 5m | 9h 57m | 9h 23m |
Downieville-Lawson-Dumont experiences the highest level of ultraviolet (UV) radiation in April, May and July, when the maximum UV index can reach values of 13 - 13, 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 5. For more detailed information, check out our hourly Downieville-Lawson-Dumont UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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UV Index (month maximum) | 4 | 6 | 10 | 13 | 13 | 13 | 13 | 12 | 10 | 7 | 5 | 4 |