December weather forecastTenmile, OR
December
Weather in December
December, the first month of the winter in Tenmile, is still a chilly month, with an average temperature ranging between min 32.9°F (0.5°C) and max 46.2°F (7.9°C).Temperature
December, on average, is the coldest month, registering a high temperature of 46.2°F (7.9°C) and a low of 32.9°F (0.5°C).Humidity
The months with the highest humidity are February and December, with an average relative humidity of 87%.Rainfall
December is the month with the most rainfall in Tenmile. Rain falls for 17 days and accumulates 3.74" (95mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Tenmile, in December, during 0.6 snowfall days, 0.79" (20mm) of snow is typically accumulated. Throughout the year, there are 4.7 snowfall days, and 3.03" (77mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 7:26 am and sunset at 4:40 pm. On the last day of December, sunrise is at 7:45 am and sunset at 4:49 pm PST.
Sunshine
The month with the least sunshine is December, with an average of 4.2h of sunshine.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 2 in December translates into these instructions:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Direct Sun exposure should be minimized especially during midday when radiation is most intense. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Tenmile, OR
- Average high temperature in December: 46.2°F
The warmest month (with the highest average high temperature) is August (81°F).
The month with the lowest average high temperature is December (46.2°F).
- Average low temperature in December: 32.9°F
The month with the highest average low temperature is August (47.5°F).
The coldest month (with the lowest average low temperature) is December (32.9°F).
Average pressure in December
Tenmile, OR
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in December
Tenmile, OR
- Average wind speed in December: 3.9mph
The windiest month (with the highest average wind speed) is January (4mph).
The calmest months (with the lowest average wind speed) are September and October (3.2mph).
Average humidity in December
Tenmile, OR
- Average humidity in December: 87%
The months with the highest relative humidity are February and December (87%).
The months with the lowest relative humidity are July and August (71%).
Average rainfall in December
Tenmile, OR
- Average rainfall in December: 3.74"
The wettest month (with the highest rainfall) is December (3.74").
The driest month (with the least rainfall) is August (0.2").
Average rainfall days in December
Tenmile, OR
- Average rainfall days in December: 17 days
The month with the highest number of rainy days is March (19.4 days).
The month with the least rainy days is July (3.5 days).
Average snowfall in December
Tenmile, OR
- Average snowfall in December: 0.79"
The month with the highest snowfall is February (1.26").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Tenmile, OR
- Average snowfall days in December: 0.6 days
The month with the highest number of snowfall days is February (1.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Tenmile, OR
- Average daylight in December: 9h and 6min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 4h and 12min
The months with the most sunshine are July and August (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).
Average sunshine days in December
Tenmile, OR
- Average sunshine days in December: 12.4 days
The month with the most sunshine days is August (26.2 days).
The month with the least sunshine days is March (9.7 days).
Average UV index in December
Tenmile, OR
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Tenmile, OR
- Average cloud cover in December: 58
The month with the most cloud cover is March (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
Tenmile, OR
- Average visibility in December: 4mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).
