December weather forecastNooksack, WA
December
Weather in December
The first month of the winter, December, is still a cold month in Nooksack, Washington, with an average temperature fluctuating between 31.6°F (-0.2°C) and 39.6°F (4.2°C).Temperature
In Nooksack, the lowest average temperatures are observed in December, with a high of 39.6°F (4.2°C) and a low of 31.6°F (-0.2°C).Humidity
In December, the average relative humidity in Nooksack is 85%.Rainfall
In Nooksack, in December, it is raining for 19.9 days, with typically 6.3" (160mm) of accumulated precipitation. In Nooksack, Washington, during the entire year, the rain falls for 194.7 days and collects up to 48.66" (1236mm) of precipitation.Snowfall
January through April, November and December are months with snowfall in Nooksack. In December, it is snowing for 2.5 days. Throughout December, 1.26" (32mm) of snow is accumulated. Throughout the year, there are 12.8 snowfall days, and 9.45" (240mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 8h and 18min of daylight.On the first day of December in Nooksack, sunrise is at 7:42 am and sunset at 4:14 pm. On the last day of the month, sunrise is at 8:02 am and sunset at 4:22 pm PST.
Sunshine
In Nooksack, the average sunshine in December is 4.1h.UV index
The months with the lowest UV index are January, February, October through December, with an average maximum UV index of 2. A UV Index 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, an average UV index of 2 transforms into the following instructions:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Nooksack, WA
- Average high temperature in December: 39.6°F
The warmest month (with the highest average high temperature) is August (73.2°F).
The month with the lowest average high temperature is December (39.6°F).
- Average low temperature in December: 31.6°F
The month with the highest average low temperature is August (51.3°F).
The coldest months (with the lowest average low temperature) are February and December (31.6°F).
Average pressure in December
Nooksack, WA
- Average pressure in December: 30.08"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are March and August (30"Hg).
Average wind speed in December
Nooksack, WA
- Average wind speed in December: 4.7mph
The windiest month (with the highest average wind speed) is January (4.8mph).
The calmest month (with the lowest average wind speed) is August (3.2mph).
Average humidity in December
Nooksack, WA
- Average humidity in December: 85%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is July (73%).
Average rainfall in December
Nooksack, WA
- Average rainfall in December: 6.3"
The wettest month (with the highest rainfall) is November (7.32").
The driest month (with the least rainfall) is July (1.02").
Average rainfall days in December
Nooksack, WA
- Average rainfall days in December: 19.9 days
The month with the highest number of rainy days is March (21.6 days).
The month with the least rainy days is August (8.5 days).
Average snowfall in December
Nooksack, WA
- Average snowfall in December: 1.26"
The month with the highest snowfall is February (2.99").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Nooksack, WA
- Average snowfall days in December: 2.5 days
The month with the highest number of snowfall days is February (4.3 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
Nooksack, 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 6min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in December
Nooksack, WA
- Average sunshine days in December: 9.5 days
The months with the most sunshine days are July and August (20 days).
The month with the least sunshine days is March (7.8 days).
Average UV index in December
Nooksack, WA
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in December
Nooksack, WA
- Average cloud cover in December: 58
The months with the most cloud cover are January, March and December (Cloud cover 58).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in December
Nooksack, WA
- Average visibility in December: 5mi
The months with the highest visibility are July and August (6mi).
The month with the lowest visibility is January (4mi).
