December weather forecastAdrian, WA
December
Weather in December
The first month of the winter, December, is still a cold month in Adrian, Washington, with temperature in the range of an average high of 32.4°F (0.2°C) and an average low of 20.7°F (-6.3°C).Temperature
In Adrian, the lowest average temperatures are observed in December, with a high of 32.4°F (0.2°C) and a low of 20.7°F (-6.3°C).Humidity
In December, the average relative humidity is 87%.Rainfall
The wettest months are January and December, with an average 1.57" (40mm) of rainfall.Snowfall
January through April, September, November and December are months with snowfall. December is the month with the most snowfall. Snow falls for 9.5 days and accumulates 5.98" (152mm) of snow.Daylight
The month with the shortest days is December, with an average of 8h and 30min of daylight.On the first day of December, sunrise is at 7:27 am and sunset at 4:10 pm. On the last day of the month, sunrise is at 7:46 am and sunset at 4:19 pm PST.
Sunshine
The average sunshine in December is 4.9h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the average person.Note: In December, the maximum UV index of 2 suggests this advice:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended. 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
Adrian, WA
- Average high temperature in December: 32.4°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is December (32.4°F).
- Average low temperature in December: 20.7°F
The month with the highest average low temperature is August (56.3°F).
The coldest month (with the lowest average low temperature) is December (20.7°F).
Average pressure in December
Adrian, WA
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is August (29.93"Hg).
Average wind speed in December
Adrian, WA
- Average wind speed in December: 3.7mph
The windiest month (with the highest average wind speed) is June (6.5mph).
The calmest month (with the lowest average wind speed) is December (3.7mph).
Average humidity in December
Adrian, WA
- Average humidity in December: 87%
The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are July and August (44%).
Average rainfall in December
Adrian, WA
- Average rainfall in December: 1.57"
The wettest months (with the highest rainfall) are January and December (1.57").
The driest months (with the least rainfall) are July and August (0.24").
Average rainfall days in December
Adrian, WA
- Average rainfall days in December: 9.7 days
The month with the highest number of rainy days is March (13.8 days).
The month with the least rainy days is August (3.8 days).
Average snowfall in December
Adrian, WA
- Average snowfall in December: 5.98"
The month with the highest snowfall is December (5.98").
The months with the least snowfall are May, June, July, August and October (0").
Average snowfall days in December
Adrian, WA
- Average snowfall days in December: 9.5 days
The month with the highest number of snowfall days is December (9.5 days).
The months with the least snowfall days are May, June, July, August and October (0 days).
Average daylight in December /
Average sunshine in December
Adrian, WA
- Average daylight in December: 8h and 30min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in December: 4h and 54min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in December
Adrian, WA
- Average sunshine days in December: 15.7 days
The month with the most sunshine days is July (25.5 days).
The month with the least sunshine days is February (12.6 days).
Average UV index in December
Adrian, WA
- 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, November and December (UV index 2).
Average cloud cover in December
Adrian, WA
- Average cloud cover in December: 47
The month with the most cloud cover is January (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 11).
Average visibility in December
Adrian, WA
- Average visibility in December: 4mi
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 and December (4mi).
