December weather forecastEaston, WA
December
Weather in December
The first month of the winter, December, is also a subzero cold month in Easton, Washington, with an average temperature fluctuating between 29.8°F (-1.2°C) and 19.6°F (-6.9°C).Temperature
December, noted for its average high-temperature of 29.8°F (-1.2°C) and an average low-temperature of 19.6°F (-6.9°C), is considered the coldest month.Humidity
In Easton, the average relative humidity in December is 92%.Rainfall
In Easton, in December, it is raining for 12.8 days, with typically 6.89" (175mm) of accumulated precipitation. In Easton, during the entire year, the rain falls for 174.5 days and collects up to 46.38" (1178mm) of precipitation.Snowfall
January through May, September through December are months with snowfall in Easton. December is the month with the most snowfall. Snow falls for 18.7 days and accumulates 25.16" (639mm) of snow.Daylight
The month with the shortest days in Easton is December, with an average of 8h and 36min of daylight.On the first day of the month, sunrise is at 7:31 am and sunset at 4:16 pm. On the last day of December, in Easton, sunrise is at 7:51 am and sunset at 4:24 pm PST.
Sunshine
In December, the average sunshine in Easton, Washington, is 3.2h.UV index
The months with the lowest UV index in Easton 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 threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The average daily UV index of 1 in December transforms into the following instructions:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Around midday, solar radiation is most harmful; hence, exposure should be limited. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Easton, WA
- Average high temperature in December: 29.8°F
The warmest month (with the highest average high temperature) is August (72.3°F).
The month with the lowest average high temperature is December (29.8°F).
- Average low temperature in December: 19.6°F
The month with the highest average low temperature is August (45.1°F).
The coldest month (with the lowest average low temperature) is December (19.6°F).
Average pressure in December
Easton, WA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is August (29.97"Hg).
Average wind speed in December
Easton, WA
- Average wind speed in December: 4.5mph
The windiest month (with the highest average wind speed) is June (5.2mph).
The calmest months (with the lowest average wind speed) are September and October (4.2mph).
Average humidity in December
Easton, WA
- Average humidity in December: 92%
The month with the highest relative humidity is February (94%).
The months with the lowest relative humidity are July and August (68%).
Average rainfall in December
Easton, WA
- Average rainfall in December: 6.89"
The wettest month (with the highest rainfall) is January (7.24").
The driest month (with the least rainfall) is July (0.63").
Average rainfall days in December
Easton, WA
- Average rainfall days in December: 12.8 days
The month with the highest number of rainy days is April (18.8 days).
The month with the least rainy days is August (8.3 days).
Average snowfall in December
Easton, WA
- Average snowfall in December: 25.16"
The month with the highest snowfall is December (25.16").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Easton, WA
- Average snowfall days in December: 18.7 days
The month with the highest number of snowfall days is December (18.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Easton, WA
- Average daylight in December: 8h and 36min
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 36min).
- Average sunshine in December: 3h and 12min
The month with the most sunshine is August (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in December
Easton, WA
- Average sunshine days in December: 7.9 days
The month with the most sunshine days is August (19.3 days).
The month with the least sunshine days is February (5.3 days).
Average UV index in December
Easton, WA
- Average UV index in December: 1
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in December
Easton, WA
- Average cloud cover in December: 70
The month with the most cloud cover is February (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
Easton, WA
- Average visibility in December: 3mi
The months with the highest visibility are May, June, July, August and September (5mi).
The months with the lowest visibility are January, February and December (3mi).
