Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
December is the coldest month, with an average high-temperature of 42.1°F (5.6°C) and an average low-temperature of 32.5°F (0.3°C).Humidity
In December, the average relative humidity is 87%.Rainfall
In Carrolls, in December, during 20 rainfall days, 5.91" (150mm) of precipitation is typically accumulated. In Carrolls, during the entire year, the rain falls for 190.2 days and collects up to 42.48" (1079mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Carrolls, in December, snow falls for 1.4 days, with typically accumulated 0.51" (13mm) of snow. Throughout the year, there are 9.7 snowfall days, and 7.28" (185mm) of snow is accumulated.Daylight
With an average of 8h and 42min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:33 am and sunset at 4:27 pm. On the last day of December, sunrise is at 7:53 am and sunset at 4:36 pm PST.
Sunshine
In Carrolls, the average sunshine in December is 3.5h.UV index
In December, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: During December, 2 as the daily maximum UV index converts into the following advice:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month?
How cold is December?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December in Carrolls?
How long on average sun shines in December?
How high is the UV index in December?
Average temperature in December
Carrolls, WA
- Average high temperature in December: 42.1°F
The warmest month (with the highest average high temperature) is August (78.1°F).
The month with the lowest average high temperature is December (42.1°F).
- Average low temperature in December: 32.5°F
The month with the highest average low temperature is August (50.5°F).
The coldest month (with the lowest average low temperature) is December (32.5°F).
Average pressure in December
Carrolls, WA
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).
Average wind speed in December
Carrolls, WA
- Average wind speed in December: 4.8mph
The windiest month (with the highest average wind speed) is January (5mph).
The calmest month (with the lowest average wind speed) is September (3.9mph).
Average humidity in December
Carrolls, WA
- Average humidity in December: 87%
The months with the highest relative humidity are February and November (88%).
The months with the lowest relative humidity are July and August (72%).
Average rainfall in December
Carrolls, WA
- Average rainfall in December: 5.91"
The wettest month (with the highest rainfall) is January (6.34").
The driest month (with the least rainfall) is July (0.55").
Average rainfall days in December
Carrolls, WA
- Average rainfall days in December: 20 days
The month with the highest number of rainy days is March (21.6 days).
The month with the least rainy days is July (6.7 days).
Average snowfall in December
Carrolls, WA
- Average snowfall in December: 0.51"
The month with the highest snowfall is January (2.64").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Carrolls, WA
- Average snowfall days in December: 1.4 days
The month with the highest number of snowfall days is February (3.6 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
Carrolls, WA
- Average daylight in December: 8h and 4min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in December: 3h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The months with the least sunshine are January and February (Average sunshine: 3h and 24min).
Average sunshine days in December
Carrolls, WA
- Average sunshine days in December: 8.5 days
The month with the most sunshine days is August (21.3 days).
The month with the least sunshine days is February (7.3 days).
Average UV index in December
Carrolls, WA
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in December
Carrolls, WA
- Average cloud cover in December: 64
The month with the most cloud cover is February (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in December
Carrolls, WA
- Average visibility in December: 4mi
The months with the highest visibility are July and August (5mi).
The months with the lowest visibility are January, February, March, April, May, June, September, October, November and December (4mi).
Carrolls, Washington, USA
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