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
In Edgemont, December is the month with the lowest recorded average temperatures, measuring a high of 33.3°F (0.7°C) and a low of 21.4°F (-5.9°C).Humidity
The average relative humidity in December is 85%.Rainfall
The month with the most rainfall is December, when the rain falls for 9.4 days and typically aggregates up to 1.3" (33mm) of precipitation.Snowfall
Months with snowfall are January through April, September through December. The month with the most snowfall is December, when snow falls for 8.7 days and typically aggregates up to 4.65" (118mm) of snow.Daylight
With an average of 8h and 36min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:27 am and sunset at 4:14 pm. On the last day of the month, sunrise is at 7:47 am and sunset at 4:23 pm PST.
Sunshine
The months with the least sunshine in Edgemont are January and December, with an average of 4.8h of sunshine.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In December, the UV index of 2 transforms into the following advice:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
How cold is December?
What is the average humidity in December?
What is the rainiest month?
How much does it rain in Edgemont in December?
What is the snowiest month?
How much does it snow in Edgemont in December?
What is the month with the shortest days?
How many hours of daylight does Edgemont have in December?
What time are sunrise and sunset in December?
What are the months with the least sunshine?
How many hours of sunshine does Edgemont have in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Edgemont, WA
- Average high temperature in December: 33.3°F
The warmest months (with the highest average high temperature) are July and August (82°F).
The month with the lowest average high temperature is December (33.3°F).
- Average low temperature in December: 21.4°F
The month with the highest average low temperature is August (55.2°F).
The coldest month (with the lowest average low temperature) is December (21.4°F).
Average pressure in December
Edgemont, WA
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is August (29.94"Hg).
Average wind speed in December
Edgemont, WA
- Average wind speed in December: 4.2mph
The windiest month (with the highest average wind speed) is June (8.9mph).
The calmest month (with the lowest average wind speed) is December (4.2mph).
Average humidity in December
Edgemont, WA
- Average humidity in December: 85%
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are July and August (46%).
Average rainfall in December
Edgemont, WA
- Average rainfall in December: 1.3"
The wettest month (with the highest rainfall) is December (1.3").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in December
Edgemont, WA
- Average rainfall days in December: 9.4 days
The month with the highest number of rainy days is March (12.4 days).
The month with the least rainy days is August (2.8 days).
Average snowfall in December
Edgemont, WA
- Average snowfall in December: 4.65"
The month with the highest snowfall is December (4.65").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days in December
Edgemont, WA
- Average snowfall days in December: 8.7 days
The months with the highest number of snowfall days are January and December (8.7 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Edgemont, 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 5min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 4h and 48min).
Average sunshine days in December
Edgemont, WA
- Average sunshine days in December: 15.3 days
The month with the most sunshine days is July (27.1 days).
The month with the least sunshine days is February (13.5 days).
Average UV index in December
Edgemont, 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, March, November and December (UV index 2).
Average cloud cover in December
Edgemont, WA
- Average cloud cover in December: 47
The month with the most cloud cover is January (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 11).
Average visibility in December
Edgemont, WA
- Average visibility in December: 4mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (4mi).
Edgemont, Washington, USA
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