Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Firestone features a humid continental climate (Dfb).Temperatures typically range between -2 °C (30 °F) and 23 °C (74 °F) through the year, but rarely can drop to -24 °C (-12 °F) or can rise to as high as 38 °C (100 °F).The average annual precipitation amounts to about 493 mm (19.4 inches) and receives 86 rainy days on the 1 mm (0.04 inches) threshold annually.Firestone enjoys an average of 3515 hours of sunshine throughout the year, and daylight varies from 9 hours 22 minutes to 14 hours 56 minutes per day.
The warmest months in Firestone are June, July and August, with daily mean temperatures ranging from 20 to 23 °C (69 - 74 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -2 to 0 °C (30 - 33 °F) throughout the day. On average each year, Firestone experiences 102 days above 25 °C (77.0 °F) and 130 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 18°C (65°F) | 25°C (77°F) | 27°C (80°F) | 29°C (85°F) | 31°C (89°F) | 38°C (100°F) | 37°C (99°F) | 36°C (97°F) | 37°C (98°F) | 30°C (86°F) | 25°C (78°F) | 22°C (71°F) |
Mean maximum | 15°C (59°F) | 19°C (66°F) | 23°C (74°F) | 27°C (81°F) | 30°C (86°F) | 33°C (91°F) | 36°C (98°F) | 35°C (95°F) | 36°C (97°F) | 28°C (83°F) | 23°C (74°F) | 17°C (63°F) |
Average high | 6°C (43°F) | 6°C (43°F) | 12°C (54°F) | 17°C (62°F) | 21°C (69°F) | 28°C (83°F) | 31°C (88°F) | 30°C (87°F) | 27°C (82°F) | 17°C (64°F) | 13°C (55°F) | 8°C (46°F) |
Daily mean | -1°C (30°F) | -2°C (30°F) | 4°C (40°F) | 9°C (48°F) | 13°C (56°F) | 20°C (69°F) | 23°C (74°F) | 22°C (73°F) | 19°C (66°F) | 9°C (49°F) | 5°C (40°F) | 0°C (33°F) |
Average low | -7°C (20°F) | -8°C (19°F) | -2°C (28°F) | 1°C (35°F) | 6°C (44°F) | 12°C (55°F) | 16°C (61°F) | 15°C (59°F) | 11°C (53°F) | 3°C (37°F) | -2°C (29°F) | -5°C (23°F) |
Mean minimum | -18°C (-1°F) | -20°C (-3°F) | -13°C (8°F) | -8°C (18°F) | -1°C (31°F) | 7°C (45°F) | 12°C (53°F) | 12°C (54°F) | 4°C (40°F) | -11°C (13°F) | -10°C (15°F) | -14°C (7°F) |
Minimum | -24°C (-10°F) | -24°C (-12°F) | -22°C (-7°F) | -13°C (8°F) | -6°C (21°F) | 6°C (42°F) | 11°C (51°F) | 11°C (52°F) | -1°C (31°F) | -18°C (-1°F) | -14°C (6°F) | -19°C (-2°F) |
Compare temperature, precipitation, sunshine, UV index in Firestone, Colorado, United States with other places around the world.
Firestone usually has the most precipitation in March, April and May, with an average of 11 rainy days and 73 mm (2.9 inches) of precipitation per month.The driest months in Firestone are January, November and December. On average, 20 mm (0.8 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 21 (0.8) | 27 (1.1) | 55 (2.2) | 56 (2.2) | 109 (4.3) | 46 (1.8) | 35 (1.4) | 41 (1.6) | 28 (1.1) | 37 (1.5) | 24 (0.9) | 14 (0.6) |
Average precipitation days (≥ 1 mm) | 4 | 7 | 9 | 10 | 14 | 9 | 8 | 7 | 5 | 6 | 4 | 3 |
The sunniest months in Firestone are June, July and August, when the sun shines an average of 11 hours 59 minutes a day.Least sunny months in Firestone: January, February and December receive an average of 7 hours 14 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 184 | 236 | 287 | 303 | 330 | 373 | 378 | 351 | 309 | 274 | 248 | 237 |
Mean daily daylight hours | 9h 41m | 10h 41m | 11h 58m | 13h 17m | 14h 23m | 14h 56m | 14h 38m | 13h 39m | 12h 23m | 11h 5m | 9h 57m | 9h 22m |
Firestone experiences the highest level of ultraviolet (UV) radiation in April, June and July, when the maximum UV index can reach values of 11 - 12, 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 Firestone UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
UV Index (month maximum) | 4 | 6 | 9 | 11 | 11 | 12 | 12 | 11 | 10 | 7 | 5 | 4 |