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
Elk Plain's December weather reaches an average high of 42.8°F (6°C) and an average low of 32.9°F (0.5°C), making it the coldest month.Humidity
January and December, with an average relative humidity of 87%, are the most humid months in Elk Plain.Rainfall
December is the month with the most rainfall. Rain falls for 18.4 days and accumulates 4.92" (125mm) of precipitation.Snowfall
Months with snowfall in Elk Plain are January through April, November and December. In December, it is snowing for 1.4 days. Throughout December, 0.31" (8mm) of snow is accumulated. In Elk Plain, during the entire year, snow falls for 10.3 days and aggregates up to 5.94" (151mm) of snow.Daylight
December has the shortest days of the year, with an average of 8h and 36min of daylight.On the first day of December in Elk Plain, sunrise is at 7:35 am and sunset at 4:22 pm. On the last day of the month, sunrise is at 7:55 am and sunset at 4:30 pm PST.
Sunshine
The month with the least sunshine is December, with an average of 4.1h of sunshine.UV index
The months with the lowest UV index in Elk Plain are January, February, October through December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Frequently asked questions
What time of the year is the coldest in Elk Plain?
How cold does it get in Elk Plain in December?
What are the most humid months in Elk Plain?
What is the average humidity in December in Elk Plain?
What is the rainiest month in Elk Plain?
How much does it rain in Elk Plain in December?
How much does it snow in Elk Plain in December?
What is the month with the shortest days in Elk Plain?
How many hours of daylight does Elk Plain have in December?
When are sunrise and sunset in December in Elk Plain?
What is the month with the least sunshine in Elk Plain?
How many hours of sunshine does Elk Plain have in December?
What is the month with the lowest UV index in Elk Plain?
What is the UV index intensity in December in Elk Plain?
Average temperature in December
Elk Plain, WA
- Average high temperature in December: 42.8°F
The warmest month (with the highest average high temperature) is August (77.2°F).
The month with the lowest average high temperature is December (42.8°F).
- Average low temperature in December: 32.9°F
The month with the highest average low temperature is August (51.3°F).
The coldest month (with the lowest average low temperature) is December (32.9°F).
Average pressure in December
Elk Plain, 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 March, August and September (30.01"Hg).
Average wind speed in December
Elk Plain, WA
- Average wind speed in December: 4.5mph
The windiest months (with the highest average wind speed) are January and March (4.9mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in December
Elk Plain, WA
- Average humidity in December: 87%
The months with the highest relative humidity are January and December (87%).
The month with the lowest relative humidity is July (70%).
Average rainfall in December
Elk Plain, WA
- Average rainfall in December: 4.92"
The wettest month (with the highest rainfall) is December (4.92").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days in December
Elk Plain, WA
- Average rainfall days in December: 18.4 days
The month with the highest number of rainy days is March (20.2 days).
The month with the least rainy days is August (4.8 days).
Average snowfall in December
Elk Plain, WA
- Average snowfall in December: 0.31"
The month with the highest snowfall is February (2.44").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Elk Plain, WA
- Average snowfall days in December: 1.4 days
The month with the highest number of snowfall days is February (4.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Elk Plain, WA
- Average daylight in December: 8h and 4min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).
Average sunshine days in December
Elk Plain, WA
- Average sunshine days in December: 11.1 days
The month with the most sunshine days is August (23.8 days).
The month with the least sunshine days is November (9.3 days).
Average UV index in December
Elk Plain, 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, February, October, November and December (UV index 2).
Average cloud cover in December
Elk Plain, WA
- Average cloud cover in December: 58
The month with the most cloud cover is December (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in December
Elk Plain, WA
- Average visibility in December: 5mi
The months with the highest visibility are July and August (6mi).
The months with the lowest visibility are January and February (4mi).
Elk Plain, Washington, USA
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