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
With average high and low temperatures of 32.9°F (0.5°C) and 22.1°F (-5.5°C) respectively, December is Skykomish's coldest month.Humidity
The average relative humidity in December is 91%.Rainfall
In Skykomish, in December, during 16.6 rainfall days, 8.82" (224mm) of precipitation is typically accumulated. In Skykomish, during the entire year, the rain falls for 207.7 days and collects up to 61.81" (1570mm) of precipitation.Snowfall
January through May, November and December are months with snowfall in Skykomish. In Skykomish, Washington, in December, snow falls for 11 days, with typically accumulated 12.44" (316mm) of snow. Throughout the year, in Skykomish, there are 46.1 snowfall days, and 58.62" (1489mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 8h and 30min of daylight.On the first day of the month, sunrise is at 7:33 am and sunset at 4:15 pm. On the last day of December, in Skykomish, sunrise is at 7:53 am and sunset at 4:23 pm PST.
Sunshine
January, February and December, with an average of 3h of sunshine, are months with the least sunshine.UV index
The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: During December, 2 as the daily maximum UV index converts into the following advice:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. To guard against the harmful effects of the Sun, minimize exposure during midday. Opt for tightly woven and loose clothing to enhance protection from the Sun. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Frequently asked questions
What part of the year is the coldest in Skykomish?
How cold is it in Skykomish in December?
What is the average humidity in December in Skykomish?
How much does it rain in Skykomish in December?
How much does it snow in Skykomish in December?
What is the month with the shortest days in Skykomish?
What is the average length of the day in December in Skykomish?
When is the sunrise / sunset in December in Skykomish?
What is the month with the least sunshine in Skykomish?
How many hours of sunshine does Skykomish have in December?
What is the UV index intensity in December in Skykomish?
Average temperature in December
Skykomish, WA
- Average high temperature in December: 32.9°F
The warmest month (with the highest average high temperature) is August (69.4°F).
The month with the lowest average high temperature is December (32.9°F).
- Average low temperature in December: 22.1°F
The month with the highest average low temperature is August (44.2°F).
The coldest month (with the lowest average low temperature) is December (22.1°F).
Average pressure in December
Skykomish, WA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is August (29.98"Hg).
Average wind speed in December
Skykomish, WA
- Average wind speed in December: 4.4mph
The windiest month (with the highest average wind speed) is January (4.8mph).
The calmest months (with the lowest average wind speed) are August and September (3.4mph).
Average humidity in December
Skykomish, WA
- Average humidity in December: 91%
The month with the highest relative humidity is February (93%).
The months with the lowest relative humidity are July and August (73%).
Average rainfall in December
Skykomish, WA
- Average rainfall in December: 8.82"
The wettest month (with the highest rainfall) is January (9.96").
The driest month (with the least rainfall) is July (0.94").
Average rainfall days in December
Skykomish, WA
- Average rainfall days in December: 16.6 days
The month with the highest number of rainy days is April (22.6 days).
The month with the least rainy days is August (9.9 days).
Average snowfall in December
Skykomish, WA
- Average snowfall in December: 12.44"
The month with the highest snowfall is February (16.26").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Skykomish, WA
- Average snowfall days in December: 11 days
The month with the highest number of snowfall days is December (11 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Skykomish, WA
- Average daylight in December: 8h and 3min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in December: 3h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The months with the least sunshine are January, February and December (Average sunshine: 3h and 0min).
Average sunshine days in December
Skykomish, WA
- Average sunshine days in December: 8.6 days
The month with the most sunshine days is August (17.9 days).
The months with the least sunshine days are February and April (5.8 days).
Average UV index in December
Skykomish, 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 and November (UV index 1).
Average cloud cover in December
Skykomish, WA
- Average cloud cover in December: 69
The month with the most cloud cover is March (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Skykomish, WA
- Average visibility in December: 4mi
The months with the highest visibility are July and August (5mi).
The months with the lowest visibility are January and February (3mi).
Skykomish, Washington, USA
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