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 Ridgefield, the month of December registers the lowest temperatures, averaging 42.3°F (5.7°C) at the peak and 32.7°F (0.4°C) at the lowest.Humidity
The average relative humidity in December in Ridgefield is 86%.Rainfall
The month with the most rainfall is December, when the rain falls for 19.5 days and typically aggregates up to 5.71" (145mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. In Ridgefield, Washington, during December, snow falls for 1.1 days and regularly aggregates up to 0.39" (10mm) of snow. Throughout the year, in Ridgefield, there are 7.6 snowfall days, and 5.63" (143mm) of snow is accumulated.Daylight
With an average of 8h and 42min of daylight, December has the shortest days of the year in Ridgefield.On the first day of the month, sunrise is at 7:32 am and sunset at 4:28 pm. On the last day of December, sunrise is at 7:52 am and sunset at 4:36 pm PST.
Sunshine
The average sunshine in December is 3.8h.UV index
In Ridgefield, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: A daily high UV index of 2 in December leads to these guidelines:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. To protect against the Sun's most potent rays, avoid direct exposure around midday. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
Is December cold?
What is the average humidity in December?
What is the wettest month?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days in Ridgefield?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Ridgefield have in December?
How high is the UV index in December?
Average temperature in December
Ridgefield, WA
- Average high temperature in December: 42.3°F
The warmest month (with the highest average high temperature) is August (79.2°F).
The month with the lowest average high temperature is December (42.3°F).
- Average low temperature in December: 32.7°F
The month with the highest average low temperature is August (51.6°F).
The coldest month (with the lowest average low temperature) is December (32.7°F).
Average pressure in December
Ridgefield, WA
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).
Average wind speed in December
Ridgefield, WA
- Average wind speed in December: 5.1mph
The windiest month (with the highest average wind speed) is January (5.4mph).
The calmest month (with the lowest average wind speed) is September (3.9mph).
Average humidity in December
Ridgefield, WA
- Average humidity in December: 86%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are July and August (69%).
Average rainfall in December
Ridgefield, WA
- Average rainfall in December: 5.71"
The wettest month (with the highest rainfall) is December (5.71").
The driest month (with the least rainfall) is July (0.39").
Average rainfall days in December
Ridgefield, WA
- Average rainfall days in December: 19.5 days
The month with the highest number of rainy days is March (21.3 days).
The month with the least rainy days is July (5.3 days).
Average snowfall in December
Ridgefield, WA
- Average snowfall in December: 0.39"
The month with the highest snowfall is January (2.05").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Ridgefield, WA
- Average snowfall days in December: 1.1 days
The month with the highest number of snowfall days is February (2.3 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
Ridgefield, 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: 3h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in December
Ridgefield, WA
- Average sunshine days in December: 9.6 days
The month with the most sunshine days is July (23.5 days).
The months with the least sunshine days are February and March (8.3 days).
Average UV index in December
Ridgefield, WA
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in December
Ridgefield, WA
- Average cloud cover in December: 61
The month with the most cloud cover is February (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in December
Ridgefield, WA
- Average visibility in December: 4mi
The months with the highest visibility are April, May, June, July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, November and December (4mi).
Ridgefield, Washington, USA
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