December weather forecastNorth Hill, WA
December
Weather in December
The first month of the winter, December, is still a chilly month in North Hill, Washington, with an average temperature ranging between min 34.3°F (1.3°C) and max 43.5°F (6.4°C).Temperature
December proves to be the coldest month, recording an average maximum temperature of 43.5°F (6.4°C) and a minimum temperature of 34.3°F (1.3°C).Humidity
January and December, with an average relative humidity of 85%, are the most humid months.Rainfall
The month with the most rainfall is December, when the rain falls for 13.5 days and typically aggregates up to 2.2" (56mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. In North Hill, during December, snow falls for 1.6 days and regularly aggregates up to 0.47" (12mm) of snow. In North Hill, during the entire year, snow falls for 9.8 days and aggregates up to 4.72" (120mm) of snow.Daylight
The month with the shortest days is December, with an average of 8h and 30min of daylight.On the first day of December in North Hill, sunrise is at 7:36 am and sunset at 4:20 pm. On the last day of the month, sunrise is at 7:56 am and sunset at 4:28 pm PST.
Sunshine
The month with the least sunshine is December, with an average of 4.1h of sunshine.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 value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 2 suggests this advice:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
North Hill, WA
- Average high temperature in December: 43.5°F
The warmest month (with the highest average high temperature) is August (77.7°F).
The month with the lowest average high temperature is December (43.5°F).
- Average low temperature in December: 34.3°F
The month with the highest average low temperature is August (53.6°F).
The coldest month (with the lowest average low temperature) is December (34.3°F).
Average pressure in December
North Hill, WA
- Average pressure in December: 30.08"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.01"Hg).
Average wind speed in December
North Hill, WA
- Average wind speed in December: 4.8mph
The windiest month (with the highest average wind speed) is March (5.3mph).
The calmest months (with the lowest average wind speed) are July and August (3.6mph).
Average humidity in December
North Hill, WA
- Average humidity in December: 85%
The months with the highest relative humidity are January and December (85%).
The month with the lowest relative humidity is July (68%).
Average rainfall in December
North Hill, WA
- Average rainfall in December: 2.2"
The wettest month (with the highest rainfall) is December (2.2").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days in December
North Hill, WA
- Average rainfall days in December: 13.5 days
The month with the highest number of rainy days is April (14.9 days).
The month with the least rainy days is August (5.7 days).
Average snowfall in December
North Hill, WA
- Average snowfall in December: 0.47"
The month with the highest snowfall is February (2.52").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
North Hill, WA
- Average snowfall days in December: 1.6 days
The month with the highest number of snowfall days is February (3.4 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
North Hill, WA
- Average daylight in December: 8h and 30min
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: 4h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).
Average sunshine days in December
North Hill, WA
- Average sunshine days in December: 14.2 days
The month with the most sunshine days is August (22.8 days).
The month with the least sunshine days is February (13 days).
Average UV index in December
North Hill, WA
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
North Hill, WA
- Average cloud cover in December: 58
The month with the most cloud cover is December (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in December
North Hill, WA
- Average visibility in December: 5mi
The months with the highest visibility are May, June, July, August and September (6mi).
The months with the lowest visibility are January, February, March, April, October, November and December (5mi).





