December weather forecastNorthport, WA
December
Weather in December
The first month of the winter, December, is also a subzero cold month in Northport, Washington, with an average temperature ranging between min 14.5°F (-9.7°C) and max 27.1°F (-2.7°C).Temperature
December is the month when Northport sees the lowest average temperatures, with a high of 27.1°F (-2.7°C) and a low of 14.5°F (-9.7°C).Humidity
In December, the average relative humidity in Northport is 92%.Rainfall
In Northport, in December, during 7.8 rainfall days, 1.14" (29mm) of precipitation is typically accumulated. In Northport, during the entire year, the rain falls for 107 days and collects up to 9.45" (240mm) of precipitation.Snowfall
January through April, September through December are months with snowfall. December is the month with the most snowfall. Snow falls for 11.5 days and accumulates 5.16" (131mm) of snow.Daylight
December has the shortest days of the year, with an average of 8h and 18min of daylight.On the first day of December, sunrise is at 7:24 am and sunset at 3:56 pm. On the last day of the month, sunrise is at 7:44 am and sunset at 4:04 pm PST.
Sunshine
In December, the average sunshine is 4.2h.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: A daily high UV index of 1 in December leads to these guidelines:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Northport, WA
- Average high temperature in December: 27.1°F
The warmest month (with the highest average high temperature) is August (78.4°F).
The month with the lowest average high temperature is December (27.1°F).
- Average low temperature in December: 14.5°F
The month with the highest average low temperature is August (46.6°F).
The coldest month (with the lowest average low temperature) is February (13.3°F).
Average pressure in December
Northport, WA
- Average pressure in December: 30.18"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Northport, WA
- Average wind speed in December: 3mph
The windiest month (with the highest average wind speed) is April (3.7mph).
The calmest months (with the lowest average wind speed) are January and December (3mph).
Average humidity in December
Northport, WA
- Average humidity in December: 92%
The month with the highest relative humidity is January (95%).
The month with the lowest relative humidity is August (54%).
Average rainfall in December
Northport, WA
- Average rainfall in December: 1.14"
The wettest month (with the highest rainfall) is May (1.18").
The driest month (with the least rainfall) is August (0.2").
Average rainfall days in December
Northport, WA
- Average rainfall days in December: 7.8 days
The month with the highest number of rainy days is April (13.6 days).
The month with the least rainy days is August (3.3 days).
Average snowfall in December
Northport, WA
- Average snowfall in December: 5.16"
The month with the highest snowfall is December (5.16").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days in December
Northport, WA
- Average snowfall days in December: 11.5 days
The month with the highest number of snowfall days is December (11.5 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Northport, WA
- Average daylight in December: 8h and 18min
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 18min).
- Average sunshine in December: 4h and 12min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Northport, WA
- Average sunshine days in December: 15.5 days
The month with the most sunshine days is August (26.1 days).
The month with the least sunshine days is April (13.3 days).
Average UV index in December
Northport, WA
- Average UV index in December: 1
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 1).
Average cloud cover in December
Northport, WA
- Average cloud cover in December: 57
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in December
Northport, WA
- Average visibility in December: 3mi
The months with the highest visibility are May, June, July, August and September (6mi).
The months with the lowest visibility are January and February (2mi).
