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
The coldest period falls in January, February and December, when the average high-temperature reaches 45.3°F (7.4°C).Humidity
In December, the average relative humidity is 77%.Rainfall
In Orcas, in December, during 17.6 rainfall days, 2.95" (75mm) of precipitation is typically accumulated. Throughout the year, in Orcas, there are 167.7 rainfall days, and 23.46" (596mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall. In Orcas, during December, snow falls for 1.3 days and regularly aggregates up to 0.31" (8mm) of snow. In Orcas, during the entire year, snow falls for 6.9 days and aggregates up to 3.43" (87mm) of snow.Daylight
The month with the shortest days in Orcas is December, with an average of 8h and 24min of daylight.On the first day of the month, sunrise is at 7:43 am and sunset at 4:18 pm. On the last day of December, in Orcas, sunrise is at 8:03 am and sunset at 4:26 pm PST.
Sunshine
With an average of 4.1h of sunshine, December has the least sunshine of the year in Orcas.UV index
January, February, 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 hazard from exposure to the Sun's UV rays for ordinary individuals.Note: A typical high UV index of 2 in December suggests the following recommendations:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. To cut down UV radiation exposure by about half, sport a wide-brim hat. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Frequently asked questions
What month is the coldest in Orcas?
What is the temperature in December in Orcas?
What is the average humidity in December in Orcas?
How much does it rain in Orcas in December?
How much does it snow in Orcas in December?
What is the month with the shortest days in Orcas?
How many hours of daylight does Orcas have in December?
When is the sunrise / sunset in December in Orcas?
What is the month with the least sunshine in Orcas?
How many hours of sunshine does Orcas have in December?
When is the lowest UV index in Orcas?
How high is the UV index in December in Orcas?
Average temperature in December
Orcas, WA
- Average high temperature in December: 45.3°F
The warmest month (with the highest average high temperature) is July (64.9°F).
The months with the lowest average high temperature are January, February and December (45.3°F).
- Average low temperature in December: 40.6°F
The month with the highest average low temperature is August (57.7°F).
The coldest month (with the lowest average low temperature) is February (40.5°F).
Average pressure in December
Orcas, 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
Orcas, WA
- Average wind speed in December: 10.5mph
The windiest month (with the highest average wind speed) is November (10.7mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in December
Orcas, WA
- Average humidity in December: 77%
The months with the highest relative humidity are January, August and September (79%).
The month with the lowest relative humidity is April (76%).
Average rainfall in December
Orcas, WA
- Average rainfall in December: 2.95"
The wettest month (with the highest rainfall) is November (3.43").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days in December
Orcas, WA
- Average rainfall days in December: 17.6 days
The month with the highest number of rainy days is March (20.2 days).
The month with the least rainy days is August (5.3 days).
Average snowfall in December
Orcas, WA
- Average snowfall in December: 0.31"
The month with the highest snowfall is February (1.77").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Orcas, WA
- Average snowfall days in December: 1.3 days
The month with the highest number of snowfall days is February (2.7 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
Orcas, WA
- Average daylight in December: 8h and 2min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).
Average sunshine days in December
Orcas, WA
- Average sunshine days in December: 10.6 days
The month with the most sunshine days is August (24.7 days).
The month with the least sunshine days is November (8.7 days).
Average UV index in December
Orcas, 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
Orcas, WA
- Average cloud cover in December: 56
The months with the most cloud cover are February and December (Cloud cover 56).
The months with the least cloud cover are July and August (Cloud cover 23).
Average visibility in December
Orcas, 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).
Orcas, Washington, USA
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