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, known for its average high temperature of 41.2°F (5.1°C) and an average low temperature of 34.7°F (1.5°C), is the coldest month.Humidity
In Sequim, the average relative humidity in December is 84%.Rainfall
In December, the rain falls for 16.4 days. Throughout December, 2.01" (51mm) of precipitation is accumulated. In Sequim, Washington, during the entire year, the rain falls for 174.1 days and collects up to 19.45" (494mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Sequim, in December, snow falls for 1 days, with typically accumulated 0.08" (2mm) of snow. In Sequim, during the entire year, snow falls for 7 days and aggregates up to 3.86" (98mm) of snow.Daylight
With an average of 8h and 24min of daylight, December has the shortest days of the year in Sequim.On the first day of the month, sunrise is at 7:42 am and sunset at 4:21 pm. On the last day of December, in Sequim, sunrise is at 8:02 am and sunset at 4:29 pm PST.
Sunshine
The average sunshine in December is 4.9h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Sequim. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In December, a regular UV index of 2 translates into these guidelines:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest in Sequim?
How cold is it in Sequim in December?
What is the average humidity in December in Sequim?
How much does it rain in Sequim in December?
How much does it snow in Sequim in December?
What is the month with the shortest days in Sequim?
How many hours of daylight does Sequim have in December?
When is the sunrise / sunset in December in Sequim?
How many hours of sunshine does Sequim have in December?
What are the months with the lowest UV index in Sequim?
What is the UV index reading in December in Sequim?
Average temperature in December
Sequim, WA
- Average high temperature in December: 41.2°F
The warmest month (with the highest average high temperature) is August (68°F).
The month with the lowest average high temperature is December (41.2°F).
- Average low temperature in December: 34.7°F
The month with the highest average low temperature is August (52.3°F).
The coldest month (with the lowest average low temperature) is February (34.3°F).
Average pressure in December
Sequim, WA
- Average pressure in December: 30.06"Hg
The month with the highest atmospheric pressure is January (30.07"Hg).
The month with the lowest atmospheric pressure is March (30"Hg).
Average wind speed in December
Sequim, WA
- Average wind speed in December: 5.5mph
The windiest month (with the highest average wind speed) is November (5.9mph).
The calmest months (with the lowest average wind speed) are August and September (3.7mph).
Average humidity in December
Sequim, WA
- Average humidity in December: 84%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are July and August (75%).
Average rainfall in December
Sequim, WA
- Average rainfall in December: 2.01"
The wettest month (with the highest rainfall) is January (2.56").
The driest month (with the least rainfall) is July (0.59").
Average rainfall days in December
Sequim, WA
- Average rainfall days in December: 16.4 days
The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (6.8 days).
Average snowfall in December
Sequim, WA
- Average snowfall in December: 0.08"
The month with the highest snowfall is February (2.17").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Sequim, WA
- Average snowfall days in December: 1 days
The month with the highest number of snowfall days is February (2.8 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
Sequim, WA
- Average daylight in December: 8h and 2min
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 24min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in December
Sequim, WA
- Average sunshine days in December: 12.5 days
The month with the most sunshine days is August (21.4 days).
The month with the least sunshine days is March (8.9 days).
Average UV index in December
Sequim, WA
- Average UV index in December: 2
The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Sequim, WA
- Average cloud cover in December: 49
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in December
Sequim, WA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Sequim, Washington, USA
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