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
December, with an average high of 44.2°F (6.8°C) and a low of 37.8°F (3.2°C), signifies the coldest month of the year.Humidity
The months with the highest humidity are January and December, with an average relative humidity of 86%.Rainfall
In Forks, during December, the rain falls for 11.6 days and regularly aggregates up to 1.89" (48mm) of precipitation. Throughout the year, there are 109.2 rainfall days, and 10.79" (274mm) of precipitation is accumulated.Snowfall
In Forks, snow does not fall in April through December.Daylight
With an average of 8h and 30min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:47 am and sunset at 4:26 pm. On the last day of the month, sunrise is at 8:07 am and sunset at 4:34 pm PST.
Sunshine
The average sunshine in December is 4h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Forks. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for average individuals.Note: In December, a daily UV index of 2 turns into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year?
How cold is it in December?
What are the most humid months?
What is the average humidity in December?
How many days does it rain in December?
When it does not snow in Forks?
Does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
How many hours of sunshine does Forks have in December?
When is the lowest UV index?
What is the UV index reading in December in Forks?
Average temperature in December
Forks, WA
- Average high temperature in December: 44.2°F
The warmest month (with the highest average high temperature) is August (68.2°F).
The month with the lowest average high temperature is December (44.2°F).
- Average low temperature in December: 37.8°F
The month with the highest average low temperature is August (50.5°F).
The coldest month (with the lowest average low temperature) is February (37°F).
Average pressure in December
Forks, WA
- Average pressure in December: 30.03"Hg
The month with the highest atmospheric pressure is July (30.08"Hg).
The month with the lowest atmospheric pressure is March (29.99"Hg).
Average wind speed in December
Forks, WA
- Average wind speed in December: 7.4mph
The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in December
Forks, WA
- Average humidity in December: 86%
The months with the highest relative humidity are January and December (86%).
The months with the lowest relative humidity are May and July (80%).
Average rainfall in December
Forks, WA
- Average rainfall in December: 1.89"
The wettest month (with the highest rainfall) is January (2.36").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in December
Forks, WA
- Average rainfall days in December: 11.6 days
The month with the highest number of rainy days is March (13.3 days).
The month with the least rainy days is August (3 days).
Average snowfall in December
Forks, WA
- Average snowfall in December: 0"
The month with the highest snowfall is January (0.75").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Forks, WA
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is February (2.2 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
Forks, WA
- Average daylight in December: 8h and 3min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in December: 4h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in December
Forks, WA
- Average sunshine days in December: 15.2 days
The month with the most sunshine days is August (24.9 days).
The month with the least sunshine days is February (12.2 days).
Average UV index in December
Forks, 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, November and December (UV index 2).
Average cloud cover in December
Forks, WA
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Forks, WA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, October, November and December (6mi).
The months with the lowest visibility are May, June, July, August and September (5mi).
Forks, Washington, USA
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