December weather - Winter 2024

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

Large rocks near a tall cliff in the section of the iconic Second Beach in Forks, Washington

Weather in December

Ending the year on a frosty note, December brings the average temperature down to a cool 44.2°F (6.8°C). As daylight hours shrink further and light snow occasionally adorns the city, a wintry atmosphere settles over Forks. Rainfall assumes a dominant role, dictating the rhythm of the month and inspiring cozy, indoor activities. Days with higher humidity are offset by the refreshing chill from the increase in wind speeds. Closing the annual weather cycle, December reintroduces the residents to the comforting cold and the serene winterscape of Forks, Washington.

Temperature

In Forks, the lowest average temperatures are observed in December, with a high of 44.2°F (6.8°C) and a low of 37.8°F (3.2°C).

Humidity

The months with the highest humidity in Forks 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, in Forks, there are 109.2 rainfall days, and 10.79" (274mm) of precipitation is accumulated.

Snowfall

In Forks, Washington, 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 in Forks, 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

In Forks, 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, Washington. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: In December, the maximum UV index of 2 transforms into these recommendations:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.

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Frequently asked questions

What part of the year is the coldest in Forks?

December is the coldest month of the year in Forks, Washington, registering average temperatures as high as 44.2°F (6.8°C) and as low as 37.8°F (3.2°C).

How cold is December in Forks?

The high-temperature, in December, in Forks, is 44.2°F (6.8°C), while the low-temperature averages to 37.8°F (3.2°C).

What are the most humid months in Forks?

January and December, with an average relative humidity of 86%, are most humid months.

What is the average humidity in December in Forks?

In Forks, Washington, the average relative humidity in December is 86%.

How much does it rain in Forks in December?

In Forks, during December, the rain falls for 11.6 days and regularly aggregates up to 1.89" (48mm) of precipitation.

When it does not snow in Forks?

In Forks, snow does not fall in April through December.

Does it snow in Forks in December?

In Forks, Washington, in December, it doesn't snow. In January, it regularly snows.

What is the month with the shortest days in Forks?

December has the shortest days of the year in Forks, with an average of 8h and 30min of daylight.

How many hours of daylight does Forks have in December?

In December, the average day length in Forks, Washington, is 8h and 28min.

What time are sunrise and sunset in December in Forks?

On the first day of December in Forks, 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.

How long on average sun shines in December in Forks?

In Forks, the average sunshine duration in December is 4h.

What is the month with the lowest UV index in Forks?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Forks.

How high is the UV index in December in Forks?

In Forks, Washington, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low health threat from unprotected exposure to UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

49.1°F 9.5°C

44.2°F 6.8°C

45.9°F 7.7°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

8.4mph 13.5km/h

8mph 12.9km/h

8.6mph 13.8km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

15.8

15.2

14.8

Average UV index

Average cloud cover

Average visibility

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).

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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).

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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).

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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%).

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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").

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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).

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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").

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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).

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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).

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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).

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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).

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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).

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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).

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December weather forecast
Forks, WA

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