December weather forecastOrchards, WA
December
Weather in December
December, the first month of the winter in Orchards, is still a chilly month, with an average temperature fluctuating between 43.9°F (6.6°C) and 34°F (1.1°C).Temperature
December is Orchards's coldest month, registering average high temperatures of 43.9°F (6.6°C) and lows of 34°F (1.1°C).Humidity
In December, the average relative humidity is 83%.Rainfall
December is the month with the most rainfall. Rain falls for 19 days and accumulates 5.16" (131mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Orchards, during December, snow falls for 0.5 days and regularly aggregates up to 0.35" (9mm) of snow. In Orchards, during the entire year, snow falls for 5.5 days and aggregates up to 3.82" (97mm) of snow.Daylight
The month with the shortest days is December, with an average of 8h and 48min of daylight.On the first day of the month, sunrise is at 7:31 am and sunset at 4:27 pm. On the last day of December, sunrise is at 7:50 am and sunset at 4:36 pm PST.
Sunshine
The average sunshine in December is 4.3h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Orchards. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for average individuals.Note: An average UV index of 2 in December transforms into this advice:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Orchards, WA
- Average high temperature in December: 43.9°F
The warmest month (with the highest average high temperature) is August (81.1°F).
The month with the lowest average high temperature is December (43.9°F).
- Average low temperature in December: 34°F
The month with the highest average low temperature is August (54°F).
The coldest month (with the lowest average low temperature) is December (34°F).
Average pressure in December
Orchards, WA
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in December
Orchards, WA
- Average wind speed in December: 5.8mph
The windiest month (with the highest average wind speed) is January (6mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in December
Orchards, WA
- Average humidity in December: 83%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is August (65%).
Average rainfall in December
Orchards, WA
- Average rainfall in December: 5.16"
The wettest month (with the highest rainfall) is December (5.16").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days in December
Orchards, WA
- Average rainfall days in December: 19 days
The month with the highest number of rainy days is March (19.5 days).
The month with the least rainy days is August (4.3 days).
Average snowfall in December
Orchards, WA
- Average snowfall in December: 0.35"
The month with the highest snowfall is February (1.38").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Orchards, WA
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is February (1.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Orchards, WA
- Average daylight in December: 8h and 48min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in December: 4h and 18min
The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in December
Orchards, 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 February (8.7 days).
Average UV index in December
Orchards, WA
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Orchards, WA
- Average cloud cover in December: 56
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in December
Orchards, WA
- Average visibility in December: 5mi
The months with the highest visibility are July, August and September (6mi).
The months with the lowest visibility are January, February, March, April, May, June, October, November and December (5mi).
