Silverthorne, CO

Climate overview — based on NOAA 1991-2020 normals from DILLON 1 E, CO US.

Dfc Subarctic climate 5b USDA hardiness Zone 5b

Year-round temperatures (°F)

20° 40° 60° 80° J F M A M J J A S O N D
Avg high Avg low

Climate summary

Silverthorne has an annual average temperature of 35.5°F with about 14.9 inches of precipitation per year and 115.5 inches of snow. The warmest month is July (average high 75.0°F), and the coldest is January (average low 1.5°F). August is typically the wettest month (1.91 in) and December the driest (0.87 in). Snow typically falls from January through December.

Annual swing
40.3°F
warmest to coldest month
Heating need
10,626
Cooling need
0

Best time to visit Silverthorne

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Climate change signal

All-time records →

61 of 366 (16.7%) of Silverthorne's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.

1890s
0
1900s
0
1910s
15
1920s
15
1930s
42
1940s
52
1950s
77
1960s
24
1970s
7
1980s
17
1990s
14
2000s
27
2010s
23
2020s
53

Bars: number of all-time daily heat records still standing that were set in each decade.

Monthly averages

Month Avg High Avg Low Avg Temp Precipitation Snow Rainy days
January 31.1°F 1.5°F 16.3°F 0.95 in 18.0 in 12
February 33.4°F 3.6°F 18.5°F 0.99 in 17.0 in 11
March 40.5°F 10.5°F 25.5°F 1.15 in 17.5 in 11
April 47.5°F 18.1°F 32.8°F 1.42 in 17.3 in 11
May 57.6°F 25.9°F 41.8°F 1.34 in 6.4 in 10
June 69.1°F 32.6°F 50.8°F 1.13 in 0.7 in 8
July 75.0°F 38.1°F 56.6°F 1.87 in 12
August 72.5°F 36.9°F 54.7°F 1.91 in 14
September 66.2°F 29.7°F 47.9°F 1.40 in 1.1 in 10
October 54.1°F 20.7°F 37.4°F 0.98 in 7.1 in 8
November 41.1°F 11.4°F 26.2°F 0.88 in 14.6 in 10
December 31.7°F 3.0°F 17.3°F 0.87 in 15.8 in 11

Climate twins of Silverthorne

Why these? →

The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).

Frost dates
Last spring / first fall frost
All-time records
Hottest, coldest, wettest
Planting calendar
What to plant, and when

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