December weather forecastMaple Falls, WA
December
Weather in December
The first month of the winter, December, is still a cold month in Maple Falls, Washington, with an average temperature ranging between min 26.1°F (-3.3°C) and max 35.6°F (2°C).Temperature
During the coldest month, December, temperatures average a high of 35.6°F (2°C) and a low of 26.1°F (-3.3°C).Humidity
In Maple Falls, the average relative humidity in December is 88%.Rainfall
In Maple Falls, during December, the rain falls for 15.4 days and regularly aggregates up to 9.13" (232mm) of precipitation. In Maple Falls, during the entire year, the rain falls for 194.4 days and collects up to 69.29" (1760mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Maple Falls, in December, snow falls for 11.4 days, with typically accumulated 14.09" (358mm) of snow. Throughout the year, there are 51.2 snowfall days, and 83.11" (2111mm) of snow is accumulated.Daylight
With an average of 8h and 18min of daylight, December has the shortest days of the year in Maple Falls.On the first day of December, sunrise is at 7:41 am and sunset at 4:13 pm. On the last day of the month, sunrise is at 8:01 am and sunset at 4:21 pm PST.
Sunshine
December has the least sunshine of the year, with an average of 3.3h of sunshine.UV index
In December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: The UV index of 2 during December translates into the following guidance:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. 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
Maple Falls, WA
- Average high temperature in December: 35.6°F
The warmest month (with the highest average high temperature) is August (71.2°F).
The month with the lowest average high temperature is December (35.6°F).
- Average low temperature in December: 26.1°F
The month with the highest average low temperature is August (46.9°F).
The coldest month (with the lowest average low temperature) is December (26.1°F).
Average pressure in December
Maple Falls, WA
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are May, June, August and September (30"Hg).
Average wind speed in December
Maple Falls, WA
- Average wind speed in December: 4.3mph
The windiest month (with the highest average wind speed) is January (4.6mph).
The calmest month (with the lowest average wind speed) is August (3.3mph).
Average humidity in December
Maple Falls, WA
- Average humidity in December: 88%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is July (74%).
Average rainfall in December
Maple Falls, WA
- Average rainfall in December: 9.13"
The wettest month (with the highest rainfall) is January (10.39").
The driest month (with the least rainfall) is July (1.5").
Average rainfall days in December
Maple Falls, WA
- Average rainfall days in December: 15.4 days
The month with the highest number of rainy days is April (21.3 days).
The month with the least rainy days is August (10.3 days).
Average snowfall in December
Maple Falls, WA
- Average snowfall in December: 14.09"
The month with the highest snowfall is February (22.36").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Maple Falls, WA
- Average snowfall days in December: 11.4 days
The month with the highest number of snowfall days is December (11.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Maple Falls, 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: 3h and 18min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).
Average sunshine days in December
Maple Falls, WA
- Average sunshine days in December: 8.6 days
The month with the most sunshine days is August (18.1 days).
The month with the least sunshine days is April (6.8 days).
Average UV index in December
Maple Falls, WA
- Average UV index in December: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January and November (UV index 1).
Average cloud cover in December
Maple Falls, WA
- Average cloud cover in December: 64
The month with the most cloud cover is March (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Maple Falls, WA
- Average visibility in December: 4mi
The months with the highest visibility are June, July and August (5mi).
The months with the lowest visibility are January, February, March, April, May, September, October, November and December (4mi).





