August weather forecastSilverthorne, CO
August
Weather in August
The last month of the summer, August, is another refreshing month in Silverthorne, Colorado, with temperature in the range of an average high of 65.8°F (18.8°C) and an average low of 37.9°F (3.3°C).Temperature
The dawn of August sees an average high-temperature of a still enjoyable 65.8°F (18.8°C), subtly contrasting with July's 67.6°F (19.8°C). The August nights bear witness to a significant drop from the daytime highs, settling at an average temperature of 37.9°F (3.3°C).Humidity
In August, the average relative humidity in Silverthorne is 59%.Rainfall
In Silverthorne, during August, the rain falls for 14.1 days and regularly aggregates up to 1.18" (30mm) of precipitation. In Silverthorne, during the entire year, the rain falls for 102.1 days and collects up to 17.17" (436mm) of precipitation.Snowfall
January through December are months with snowfall. August is the month with the least snowfall in Silverthorne. Snow falls for 0.8 days and accumulates 0.24" (6mm) of snow.Daylight
In Silverthorne, the average length of the day in August is 13h and 41min.On the first day of the month, sunrise is at 6:04 am and sunset at 8:16 pm. On the last day of August, in Silverthorne, Colorado, sunrise is at 6:32 am and sunset at 7:36 pm MDT.
Sunshine
In Silverthorne, Colorado, the average sunshine in August is 11.5h.UV index
The months with the highest UV index are July and August, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index, 4 in August, converts into the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Silverthorne, CO
- Average high temperature in August: 65.8°F
The warmest month (with the highest average high temperature) is July (67.6°F).
The month with the lowest average high temperature is December (22.8°F).
- Average low temperature in August: 37.9°F
The month with the highest average low temperature is July (39.7°F).
The coldest month (with the lowest average low temperature) is January (1.2°F).
Average pressure in August
Silverthorne, CO
- Average pressure in August: 30.06"Hg
The month with the highest atmospheric pressure is January (30.2"Hg).
The months with the lowest atmospheric pressure are April and May (29.94"Hg).
Average wind speed in August
Silverthorne, CO
- Average wind speed in August: 4.8mph
The windiest month (with the highest average wind speed) is February (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in August
Silverthorne, CO
- Average humidity in August: 59%
The month with the highest relative humidity is February (88%).
The month with the lowest relative humidity is June (53%).
Average rainfall in August
Silverthorne, CO
- Average rainfall in August: 1.18"
The wettest month (with the highest rainfall) is May (2.05").
The driest month (with the least rainfall) is September (0.91").
Average rainfall days in August
Silverthorne, CO
- Average rainfall days in August: 14.1 days
The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is November (3.6 days).
Average snowfall in August
Silverthorne, CO
- Average snowfall in August: 0.24"
The month with the highest snowfall is March (14.61").
The month with the least snowfall is August (0.24").
Average snowfall days in August
Silverthorne, CO
- Average snowfall days in August: 0.8 days
The month with the highest number of snowfall days is March (20.3 days).
The month with the least snowfall days is July (0.6 days).
Average daylight in August /
Average sunshine in August
Silverthorne, CO
- Average daylight in August: 13h and 42min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in August: 11h and 30min
The month with the most sunshine is June (Average sunshine: 11h and 36min).
The month with the least sunshine is February (Average sunshine: 5h and 30min).
Average sunshine days in August
Silverthorne, CO
- Average sunshine days in August: 12.9 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is April (7.4 days).
Average UV index in August
Silverthorne, CO
- Average UV index in August: 4
The months with the highest UV index are July and August (UV index 4).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in August
Silverthorne, CO
- Average cloud cover in August: 21
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 17).
Average visibility in August
Silverthorne, CO
- Average visibility in August: 6mi
The months with the highest visibility are June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, April and December (4mi).





