December weather forecastEllisforde, WA
December
Weather in December
The first month of the winter, December, is also a subzero cold month in Ellisforde, Washington, with an average temperature fluctuating between 13.1°F (-10.5°C) and 27°F (-2.8°C).Temperature
The coldest temperatures occur during December, when averages reach a peak of 27°F (-2.8°C) and a low of 13.1°F (-10.5°C).Humidity
In December, the average relative humidity is 92%.Rainfall
In Ellisforde, in December, during 5.7 rainfall days, 1.34" (34mm) of precipitation is typically accumulated. In Ellisforde, during the entire year, the rain falls for 112.2 days and collects up to 14.69" (373mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. The month with the most snowfall is December, when snow falls for 17.3 days and typically aggregates up to 9.76" (248mm) of snow.Daylight
December has the shortest days of the year, with an average of 8h and 18min of daylight.On the first day of December, sunrise is at 7:30 am and sunset at 4:03 pm. On the last day of the month, sunrise is at 7:50 am and sunset at 4:11 pm PST.
Sunshine
The average sunshine in December is 4.3h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 1 during December translates into these guidelines:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Ellisforde, WA
- Average high temperature in December: 27°F
The warmest month (with the highest average high temperature) is August (79.2°F).
The month with the lowest average high temperature is December (27°F).
- Average low temperature in December: 13.1°F
The month with the highest average low temperature is August (49.5°F).
The coldest month (with the lowest average low temperature) is December (13.1°F).
Average pressure in December
Ellisforde, WA
- Average pressure in December: 30.16"Hg
The month with the highest atmospheric pressure is January (30.18"Hg).
The months with the lowest atmospheric pressure are June and August (29.93"Hg).
Average wind speed in December
Ellisforde, WA
- Average wind speed in December: 3.7mph
The windiest month (with the highest average wind speed) is April (4.5mph).
The calmest months (with the lowest average wind speed) are January, February and December (3.7mph).
Average humidity in December
Ellisforde, WA
- Average humidity in December: 92%
The month with the highest relative humidity is January (94%).
The month with the lowest relative humidity is August (49%).
Average rainfall in December
Ellisforde, WA
- Average rainfall in December: 1.34"
The wettest month (with the highest rainfall) is May (1.97").
The driest month (with the least rainfall) is August (0.47").
Average rainfall days in December
Ellisforde, WA
- Average rainfall days in December: 5.7 days
The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is December (5.7 days).
Average snowfall in December
Ellisforde, WA
- Average snowfall in December: 9.76"
The month with the highest snowfall is December (9.76").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Ellisforde, WA
- Average snowfall days in December: 17.3 days
The month with the highest number of snowfall days is January (18.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Ellisforde, WA
- Average daylight in December: 8h and 18min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in December: 4h and 18min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in December
Ellisforde, WA
- Average sunshine days in December: 13.7 days
The month with the most sunshine days is August (22.4 days).
The month with the least sunshine days is March (10.8 days).
Average UV index in December
Ellisforde, WA
- Average UV index in December: 1
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 1).
Average cloud cover in December
Ellisforde, WA
- Average cloud cover in December: 56
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in December
Ellisforde, WA
- Average visibility in December: 3mi
The months with the highest visibility are April, May, June, July, August and September (6mi).
The month with the lowest visibility is January (2mi).
