October weather forecastSilverthorne, CO
October
Weather in October
October, the same as September, in Silverthorne, Colorado, is a frosty autumn month, with an average temperature fluctuating between 22.6°F (-5.2°C) and 45.1°F (7.3°C).Temperature
October is marked by a significant decrease, with the average high-temperature retreating from a refreshing 59.7°F (15.4°C) in September to a frosty 45.1°F (7.3°C). Nighttime temperatures throughout October register a significant deviation from the day's highs, averaging at a freezing cold 22.6°F (-5.2°C).Humidity
The average relative humidity in October is 64%.Rainfall
In Silverthorne, during October, the rain falls for 5.9 days and regularly aggregates up to 1.18" (30mm) of precipitation. In Silverthorne, Colorado, 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 in Silverthorne. In Silverthorne, Colorado, in October, during 10.5 snowfall days, 8.03" (204mm) of snow is typically accumulated. Throughout the year, in Silverthorne, there are 139.9 snowfall days, and 89.53" (2274mm) of snow is accumulated.Daylight
In October, the average length of the day is 11h and 8min.On the first day of the month, sunrise is at 7:01 am and sunset at 6:46 pm. On the last day of October, sunrise is at 7:32 am and sunset at 6:03 pm MDT.
Sunshine
The average sunshine in October in Silverthorne is 6.9h.UV index
In October, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In October, the average maximum UV index of 2 translates into the following recommendations:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Silverthorne, CO
- Average high temperature in October: 45.1°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 October: 22.6°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 October
Silverthorne, CO
- Average pressure in October: 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 October
Silverthorne, CO
- Average wind speed in October: 6mph
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 October
Silverthorne, CO
- Average humidity in October: 64%
The month with the highest relative humidity is February (88%).
The month with the lowest relative humidity is June (53%).
Average rainfall in October
Silverthorne, CO
- Average rainfall in October: 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 October
Silverthorne, CO
- Average rainfall days in October: 5.9 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 October
Silverthorne, CO
- Average snowfall in October: 8.03"
The month with the highest snowfall is March (14.61").
The month with the least snowfall is August (0.24").
Average snowfall days in October
Silverthorne, CO
- Average snowfall days in October: 10.5 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 October /
Average sunshine in October
Silverthorne, CO
- Average daylight in October: 11h and 6min
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 October: 6h and 54min
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 October
Silverthorne, CO
- Average sunshine days in October: 17.4 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 October
Silverthorne, CO
- Average UV index in October: 2
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 October
Silverthorne, CO
- Average cloud cover in October: 25
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 October
Silverthorne, CO
- Average visibility in October: 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).
