Weather in December
Temperature
Transitioning from November to December, Allyn-Grapeview observes an average high-temperature of a chilly 45.7°F (7.6°C), differing subtly from the previous month. The average low-temperature, in December, is an icy 36°F (2.2°C).Rainfall
December is the month with the most rainfall. Rain falls for 19 days and accumulates 8.74" (222mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. During December, Allyn-Grapeview regularly aggregates up to 0.98" (25mm) of snow. Throughout the year, 4.92" (125mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 8h and 30min of daylight.On the first day of the month, sunrise is at 7:38 am and sunset at 4:22 pm. On the last day of December, sunrise is at 7:58 am and sunset at 4:31 pm PST.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
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What is the average length of the day in December?
What time are sunrise and sunset in December in Allyn-Grapeview?
Average temperature in December
Allyn-Grapeview, WA
- Average high temperature in December: 45.7°F
The warmest month (with the highest average high temperature) is July (77.1°F).
The month with the lowest average high temperature is January (44.4°F).
- Average low temperature in December: 36°F
The month with the highest average low temperature is August (52.6°F).
The coldest month (with the lowest average low temperature) is January (34.3°F).
Average rainfall in December
Allyn-Grapeview, WA
- Average rainfall in December: 8.8"
The wettest month (with the highest rainfall) is December (8.8").
The driest month (with the least rainfall) is July (0.8").
Average rainfall days in December
Allyn-Grapeview, WA
- Average rainfall days in December: 19 days
The month with the highest number of rainy days is December (19 days).
The month with the least rainy days is July (4 days).
Average snowfall in December
Allyn-Grapeview, WA
- Average snowfall in December: 1"
The month with the highest snowfall is January (2.2").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average daylight in December
Allyn-Grapeview, WA
- Average daylight in December: 8h and 3min
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).
Allyn-Grapeview, Washington, USA
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