Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
With its high average temperature of 36°F (2.2°C) and a low of 25.7°F (-3.5°C), December is regarded as the coldest month.Humidity
The average relative humidity in December is 85%.Rainfall
In December, the rain falls for 10.8 days. Throughout December, 1.93" (49mm) of precipitation is accumulated. Throughout the year, in Wahkiacus, there are 114.1 rainfall days, and 12.13" (308mm) of precipitation is accumulated.Snowfall
January through April, September through December are months with snowfall. In Wahkiacus, in December, during 8.9 snowfall days, 4.06" (103mm) of snow is typically accumulated. Throughout the year, there are 33.8 snowfall days, and 19.69" (500mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 8h and 42min of daylight.On the first day of the month, sunrise is at 7:26 am and sunset at 4:21 pm. On the last day of December, sunrise is at 7:45 am and sunset at 4:29 pm PST.
Sunshine
In Wahkiacus, the average sunshine in December is 5h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Wahkiacus. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In December, the maximum UV index of 2 suggests these recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Frequently asked questions
What is the coldest time of year in Wahkiacus?
How cold is December in Wahkiacus?
What is the average humidity in December in Wahkiacus?
How many days does it rain in December in Wahkiacus?
How much does it snow in Wahkiacus in December?
What is the month with the shortest days in Wahkiacus?
How many hours of daylight does Wahkiacus have in December?
What time are sunrise and sunset in December in Wahkiacus?
How long on average sun shines in December in Wahkiacus?
What are the months with the lowest UV index in Wahkiacus?
What is the UV index reading in December in Wahkiacus?
Average temperature in December
Wahkiacus, WA
- Average high temperature in December: 36°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is December (36°F).
- Average low temperature in December: 25.7°F
The month with the highest average low temperature is August (55.9°F).
The coldest month (with the lowest average low temperature) is December (25.7°F).
Average pressure in December
Wahkiacus, WA
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.95"Hg).
Average wind speed in December
Wahkiacus, WA
- Average wind speed in December: 5.3mph
The windiest month (with the highest average wind speed) is June (7.9mph).
The calmest months (with the lowest average wind speed) are January and December (5.3mph).
Average humidity in December
Wahkiacus, WA
- Average humidity in December: 85%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (47%).
Average rainfall in December
Wahkiacus, WA
- Average rainfall in December: 1.93"
The wettest month (with the highest rainfall) is January (2.17").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in December
Wahkiacus, WA
- Average rainfall days in December: 10.8 days
The month with the highest number of rainy days is March (13.8 days).
The month with the least rainy days is July (3.3 days).
Average snowfall in December
Wahkiacus, WA
- Average snowfall in December: 4.06"
The month with the highest snowfall is January (6.18").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days in December
Wahkiacus, WA
- Average snowfall days in December: 8.9 days
The month with the highest number of snowfall days is December (8.9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Wahkiacus, WA
- Average daylight in December: 8h and 4min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in December: 5h and 0min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in December
Wahkiacus, WA
- Average sunshine days in December: 14.5 days
The month with the most sunshine days is July (26.3 days).
The month with the least sunshine days is February (12.3 days).
Average UV index in December
Wahkiacus, WA
- Average UV index in December: 2
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 2).
Average cloud cover in December
Wahkiacus, WA
- Average cloud cover in December: 50
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 9).
Average visibility in December
Wahkiacus, 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).
Wahkiacus, Washington, USA
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