December weather forecastSpangle, WA
December
Weather in December
December, the first month of the winter in Spangle, is also a wintry month, with temperature in the range of an average low of 23°F (-5°C) and an average high of 32.7°F (0.4°C).Temperature
Spangle's temperature records reveal December as the coldest month, marked by average highs of 32.7°F (0.4°C) and lows of 23°F (-5°C).Humidity
The average relative humidity in December is 86%.Rainfall
The wettest months in Spangle are January, March and December, with an average 1.85" (47mm) of rainfall.Snowfall
Months with snowfall are January through May, September through December. In Spangle, in December, snow falls for 12.7 days, with typically accumulated 6.57" (167mm) of snow. Throughout the year, there are 53 snowfall days, and 29.69" (754mm) of snow is accumulated.Daylight
December has the shortest days of the year in Spangle, Washington, with an average of 8h and 30min of daylight.On the first day of the month, sunrise is at 7:16 am and sunset at 4:00 pm. On the last day of December, sunrise is at 7:36 am and sunset at 4:08 pm PST.
Sunshine
December has the least sunshine of the year in Spangle, with an average of 3.9h of sunshine.UV index
The month with the lowest UV index in Spangle is December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: A daily high UV index of 1 in December leads to these guidelines:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. It's recommended to limit sun exposure when its radiation is at its peak during midday. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Spangle, WA
- Average high temperature in December: 32.7°F
The warmest month (with the highest average high temperature) is August (83.5°F).
The month with the lowest average high temperature is December (32.7°F).
- Average low temperature in December: 23°F
The month with the highest average low temperature is August (59.9°F).
The coldest month (with the lowest average low temperature) is December (23°F).
Average pressure in December
Spangle, WA
- Average pressure in December: 30.17"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.9"Hg).
Average wind speed in December
Spangle, WA
- Average wind speed in December: 6.7mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in December
Spangle, WA
- Average humidity in December: 86%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (37%).
Average rainfall in December
Spangle, WA
- Average rainfall in December: 1.85"
The wettest months (with the highest rainfall) are January, March and December (1.85").
The driest month (with the least rainfall) is July (0.28").
Average rainfall days in December
Spangle, WA
- Average rainfall days in December: 8.4 days
The months with the highest number of rainy days are March and April (14.1 days).
The month with the least rainy days is July (4.5 days).
Average snowfall in December
Spangle, WA
- Average snowfall in December: 6.57"
The month with the highest snowfall is January (8.27").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Spangle, WA
- Average snowfall days in December: 12.7 days
The month with the highest number of snowfall days is January (13.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Spangle, 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: 3h and 54min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 54min).
Average sunshine days in December
Spangle, WA
- Average sunshine days in December: 13.9 days
The month with the most sunshine days is July (24.9 days).
The month with the least sunshine days is March (11.7 days).
Average UV index in December
Spangle, WA
- Average UV index in December: 1
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Spangle, WA
- Average cloud cover in December: 59
The months with the most cloud cover are January and December (Cloud cover 59).
The month with the least cloud cover is July (Cloud cover 12).
Average visibility in December
Spangle, WA
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
