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Monthly climate in Silverthorne, Colorado, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Silverthorne features a subarctic climate (Dfc).Temperatures typically range between -10 °C (14 °F) and 13 °C (55 °F) through the year, but rarely can drop to -28 °C (-18 °F) or can rise to as high as 25 °C (78 °F).The average annual precipitation amounts to about 655 mm (25.8 inches) and receives 125 rainy days on the 1 mm (0.04 inches) threshold annually.Silverthorne enjoys an average of 3577 hours of sunshine throughout the year, and daylight varies from 9 hours 24 minutes to 14 hours 54 minutes per day.

Monthly average temperatures in Silverthorne, Colorado, United States §

The warmest months in Silverthorne are June, July and August, with daily mean temperatures ranging from 9 to 13 °C (48 - 55 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -10 to -9 °C (14 - 16 °F) throughout the day. On average each year, Silverthorne experiences 0 days above 25 °C (77.0 °F) and 243 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Silverthorne, Colorado, 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 6°C
(43°F)		 10°C
(49°F)		 10°C
(50°F)		 12°C
(54°F)		 20°C
(67°F)		 25°C
(78°F)		 24°C
(76°F)		 24°C
(75°F)		 23°C
(74°F)		 19°C
(66°F)		 10°C
(50°F)		 7°C
(45°F)
Mean maximum 4°C
(39°F)		 5°C
(41°F)		 8°C
(47°F)		 11°C
(52°F)		 14°C
(58°F)		 20°C
(68°F)		 24°C
(75°F)		 23°C
(73°F)		 23°C
(73°F)		 16°C
(61°F)		 8°C
(46°F)		 4°C
(40°F)
Average high -4°C
(25°F)		 -4°C
(26°F)		 1°C
(35°F)		 4°C
(39°F)		 8°C
(47°F)		 16°C
(61°F)		 20°C
(69°F)		 19°C
(67°F)		 16°C
(62°F)		 7°C
(45°F)		 1°C
(35°F)		 -3°C
(26°F)
Daily mean -10°C
(15°F)		 -9°C
(16°F)		 -5°C
(24°F)		 -2°C
(29°F)		 2°C
(36°F)		 9°C
(48°F)		 13°C
(55°F)		 12°C
(54°F)		 9°C
(48°F)		 -0°C
(32°F)		 -6°C
(22°F)		 -10°C
(14°F)
Average low -15°C
(6°F)		 -14°C
(7°F)		 -10°C
(15°F)		 -7°C
(19°F)		 -4°C
(26°F)		 1°C
(33°F)		 5°C
(41°F)		 5°C
(41°F)		 1°C
(35°F)		 -6°C
(21°F)		 -13°C
(9°F)		 -16°C
(3°F)
Mean minimum -25°C
(-12°F)		 -25°C
(-12°F)		 -18°C
(-1°F)		 -16°C
(3°F)		 -9°C
(16°F)		 -5°C
(24°F)		 -0°C
(32°F)		 2°C
(35°F)		 -6°C
(22°F)		 -19°C
(-3°F)		 -24°C
(-11°F)		 -25°C
(-13°F)
Minimum -26°C
(-14°F)		 -27°C
(-17°F)		 -24°C
(-11°F)		 -20°C
(-4°F)		 -13°C
(9°F)		 -8°C
(19°F)		 -2°C
(29°F)		 1°C
(34°F)		 -8°C
(17°F)		 -24°C
(-10°F)		 -26°C
(-15°F)		 -28°C
(-18°F)

Compare climate in Silverthorne with other places

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

Monthly average precipitation in Silverthorne, Colorado, United States §

Silverthorne usually has the most precipitation in March, April and May, with an average of 12 rainy days and 75 mm (3.0 inches) of precipitation per month.The driest months in Silverthorne are January, September and November. On average, 40 mm (1.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Silverthorne, Colorado, 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) 42 (1.6) 59 (2.3) 70 (2.7) 80 (3.2) 76 (3.0) 43 (1.7) 59 (2.3) 43 (1.7) 36 (1.4) 61 (2.4) 42 (1.7) 43 (1.7)
Average precipitation days (≥ 1 mm) 9 14 13 13 12 7 12 9 8 10 8 10

Monthly sunshine hours in Silverthorne, Colorado, United States §

The sunniest months in Silverthorne are June, July and August, when the sun shines an average of 12 hours 11 minutes a day.Least sunny months in Silverthorne: January, February and December receive an average of 7 hours 10 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Silverthorne, Colorado, 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 182 232 291 316 355 382 382 357 314 280 246 237
Mean daily daylight hours 9h 43m 10h 42m 11h 58m 13h 16m 14h 22m 14h 54m 14h 36m 13h 38m 12h 23m 11h 6m 9h 58m 9h 24m

Solar UV radiation in Silverthorne, Colorado, United States §

Silverthorne experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 13 - 14, 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 Silverthorne UV Index data.

Average daily maximum UV levels by month for Silverthorne, Colorado, 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) 4 6 9 12 13 14 13 12 11 7 5 4