December weather forecastChristmas Valley, OR
December
Weather in December
December, the first month of the winter in Christmas Valley, is also an icy month, with an average temperature ranging between min 23.7°F (-4.6°C) and max 34.5°F (1.4°C).Temperature
The month of December sees the lowest average temperatures, reaching 34.5°F (1.4°C) at the peak and 23.7°F (-4.6°C) at the low.Humidity
With an average relative humidity of 82%, December is the most humid month.Rainfall
In December, the rain falls for 6.6 days. Throughout December, 2.01" (51mm) of precipitation is accumulated. Throughout the year, there are 91.4 rainfall days, and 15.67" (398mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through June, September through December. In December, it is snowing for 16.8 days. Throughout December, 12.8" (325mm) of snow is accumulated. Throughout the year, there are 95 snowfall days, and 73.15" (1858mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 0min of daylight.On the first day of the month, sunrise is at 7:15 am and sunset at 4:28 pm. On the last day of December, in Christmas Valley, sunrise is at 7:34 am and sunset at 4:37 pm PST.
Sunshine
The months with the least sunshine are January and December, with an average of 5.6h of sunshine.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: In December, the maximum UV index of 2 transforms into these recommendations:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. It's recommended to limit sun exposure when its radiation is at its peak during midday. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be watchful! The reflection of snow can enhance the intensity of 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
Christmas Valley, OR
- Average high temperature in December: 34.5°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is December (34.5°F).
- Average low temperature in December: 23.7°F
The month with the highest average low temperature is August (52.2°F).
The coldest month (with the lowest average low temperature) is December (23.7°F).
Average pressure in December
Christmas Valley, OR
- Average pressure in December: 30.16"Hg
The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is August (29.97"Hg).
Average wind speed in December
Christmas Valley, OR
- Average wind speed in December: 7.5mph
The windiest month (with the highest average wind speed) is March (7.7mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in December
Christmas Valley, OR
- Average humidity in December: 82%
The month with the highest relative humidity is December (82%).
The month with the lowest relative humidity is July (45%).
Average rainfall in December
Christmas Valley, OR
- Average rainfall in December: 2.01"
The wettest month (with the highest rainfall) is February (2.13").
The driest month (with the least rainfall) is July (0.2").
Average rainfall days in December
Christmas Valley, OR
- Average rainfall days in December: 6.6 days
The month with the highest number of rainy days is May (12.8 days).
The month with the least rainy days is July (3.3 days).
Average snowfall in December
Christmas Valley, OR
- Average snowfall in December: 12.8"
The month with the highest snowfall is February (16.06").
The months with the least snowfall are July and August (0").
Average snowfall days in December
Christmas Valley, OR
- Average snowfall days in December: 16.8 days
The month with the highest number of snowfall days is December (16.8 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Christmas Valley, OR
- Average daylight in December: 9h and 0min
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 0min).
- Average sunshine in December: 5h and 36min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are January and December (Average sunshine: 5h and 36min).
Average sunshine days in December
Christmas Valley, OR
- Average sunshine days in December: 13.2 days
The month with the most sunshine days is July (25.1 days).
The month with the least sunshine days is March (11.1 days).
Average UV index in December
Christmas Valley, 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
Christmas Valley, OR
- Average cloud cover in December: 45
The months with the most cloud cover are February and December (Cloud cover 45).
The months with the least cloud cover are July and August (Cloud cover 9).
Average visibility in December
Christmas Valley, OR
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
