December weather forecastColville, WA
December
Weather in December
December, the first month of the winter in Colville, is also a subzero cold month, with an average temperature ranging between max 29.3°F (-1.5°C) and min 17.6°F (-8°C).Temperature
With average temperatures fluctuating between a high of 29.3°F (-1.5°C) and a low of 17.6°F (-8°C), December stands out as the coldest month.Humidity
In Colville, the average relative humidity in December is 90%.Rainfall
The months with the most rainfall are November and December, with an average 1.54" (39mm) of precipitation.Snowfall
Months with snowfall are January through April, September through December. In Colville, during December, snow falls for 13.9 days and regularly aggregates up to 6.93" (176mm) of snow. In Colville, during the entire year, snow falls for 57.6 days and aggregates up to 27.87" (708mm) of snow.Daylight
The month with the shortest days is December, with an average of 8h and 24min of daylight.On the first day of December, sunrise is at 7:23 am and sunset at 3:58 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 4:06 pm PST.
Sunshine
In December, the average sunshine is 4.2h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The daily high UV index of 1 in December translates into this advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The solar radiation around mid-day is intense; avoid the Sun and stay safe. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Colville, WA
- Average high temperature in December: 29.3°F
The warmest month (with the highest average high temperature) is August (82.6°F).
The month with the lowest average high temperature is December (29.3°F).
- Average low temperature in December: 17.6°F
The month with the highest average low temperature is August (50°F).
The coldest month (with the lowest average low temperature) is February (16.7°F).
Average pressure in December
Colville, 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 (29.91"Hg).
Average wind speed in December
Colville, WA
- Average wind speed in December: 3.1mph
The windiest month (with the highest average wind speed) is April (4mph).
The calmest months (with the lowest average wind speed) are January and December (3.1mph).
Average humidity in December
Colville, WA
- Average humidity in December: 90%
The month with the highest relative humidity is January (95%).
The month with the lowest relative humidity is August (49%).
Average rainfall in December
Colville, WA
- Average rainfall in December: 1.54"
The wettest months (with the highest rainfall) are November and December (1.54").
The driest month (with the least rainfall) is August (0.28").
Average rainfall days in December
Colville, WA
- Average rainfall days in December: 9.1 days
The month with the highest number of rainy days is April (16.1 days).
The month with the least rainy days is August (4.1 days).
Average snowfall in December
Colville, WA
- Average snowfall in December: 6.93"
The month with the highest snowfall is January (7.8").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days in December
Colville, WA
- Average snowfall days in December: 13.9 days
The month with the highest number of snowfall days is December (13.9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Colville, WA
- Average daylight in December: 8h and 24min
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 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 42min).
Average sunshine days in December
Colville, WA
- Average sunshine days in December: 14.4 days
The month with the most sunshine days is August (24.8 days).
The month with the least sunshine days is March (11.2 days).
Average UV index in December
Colville, 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
Colville, WA
- Average cloud cover in December: 56
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in December
Colville, WA
- Average visibility in December: 4mi
The months with the highest visibility are May, June, July, August and September (6mi).
The month with the lowest visibility is January (2mi).
