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
Blyn's December weather, with an average high temperature of 41.2°F (5.1°C) and an average low temperature of 34.7°F (1.5°C), tends to be the coldest of the year.Humidity
In December, the average relative humidity in Blyn, Washington, is 84%.Rainfall
In Blyn, in December, during 16.4 rainfall days, 2.01" (51mm) of precipitation is typically accumulated. Throughout the year, there are 174.1 rainfall days, and 19.45" (494mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In Blyn, Washington, during December, snow falls for 1 days and regularly aggregates up to 0.08" (2mm) of snow. Throughout the year, in Blyn, Washington, there are 7 snowfall days, and 3.86" (98mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 8h and 24min of daylight.On the first day of December in Blyn, sunrise is at 7:41 am and sunset at 4:20 pm. On the last day of the month, sunrise is at 8:01 am and sunset at 4:29 pm PST.
Sunshine
In December, the average sunshine 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. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily high UV index of 2 in December translates into this advice:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Frequently asked questions
What are the coldest months in Blyn?
Is December cold in Blyn?
What is the average humidity in December in Blyn?
How many days does it rain in December in Blyn?
How many days does it snow in December in Blyn?
What is the month with the shortest days in Blyn?
What is the average length of the day in December in Blyn?
When are sunrise and sunset in December in Blyn?
How long on average sun shines in December in Blyn?
When is the lowest UV index in Blyn?
What is the UV index reading in December in Blyn?
Average temperature in December
Blyn, 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
Blyn, 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
Blyn, 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
Blyn, 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
Blyn, 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
Blyn, 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
Blyn, 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
Blyn, 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
Blyn, 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
Blyn, 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
Blyn, 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
Blyn, 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
Blyn, 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).
Blyn, Washington, USA
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