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 tends to be the coldest month, with temperatures averaging a daily high of 36.5°F (2.5°C) and a low of 26.2°F (-3.2°C).Humidity
The average relative humidity in December is 80%.Rainfall
In Connell, in December, it is raining for 9.9 days, with typically 0.91" (23mm) of accumulated precipitation. Throughout the year, there are 97 rainfall days, and 7.36" (187mm) of precipitation is accumulated.Snowfall
January through March, September, November and December are months with snowfall. In December, it is snowing for 4.1 days. Throughout December, 1.22" (31mm) of snow is accumulated. In Connell, during the entire year, snow falls for 14.2 days and aggregates up to 5.43" (138mm) of snow.Daylight
The month with the shortest days is December, with an average of 8h and 36min of daylight.On the first day of the month, sunrise is at 7:20 am and sunset at 4:09 pm. On the last day of December, sunrise is at 7:39 am and sunset at 4:17 pm PST.
Sunshine
The average sunshine in December in Connell is 5.3h.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 of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: A daily high UV index of 2 in December leads to these guidelines:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
How cold is December?
What is the average humidity in December?
How many days does it rain in December in Connell?
How many days 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?
How long on average sun shines in December?
What are the months with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Connell, WA
- Average high temperature in December: 36.5°F
The warmest month (with the highest average high temperature) is July (89.1°F).
The month with the lowest average high temperature is December (36.5°F).
- Average low temperature in December: 26.2°F
The month with the highest average low temperature is August (63.1°F).
The coldest month (with the lowest average low temperature) is December (26.2°F).
Average pressure in December
Connell, WA
- Average pressure in December: 30.16"Hg
The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is August (29.9"Hg).
Average wind speed in December
Connell, WA
- Average wind speed in December: 5.8mph
The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is December (5.8mph).
Average humidity in December
Connell, WA
- Average humidity in December: 80%
The month with the highest relative humidity is January (82%).
The months with the lowest relative humidity are July and August (36%).
Average rainfall in December
Connell, WA
- Average rainfall in December: 0.91"
The wettest month (with the highest rainfall) is January (0.94").
The driest months (with the least rainfall) are July and August (0.2").
Average rainfall days in December
Connell, WA
- Average rainfall days in December: 9.9 days
The month with the highest number of rainy days is March (12.8 days).
The month with the least rainy days is July (3.3 days).
Average snowfall in December
Connell, WA
- Average snowfall in December: 1.22"
The month with the highest snowfall is February (1.97").
The months with the least snowfall are April, May, June, July, August and October (0").
Average snowfall days in December
Connell, WA
- Average snowfall days in December: 4.1 days
The month with the highest number of snowfall days is December (4.1 days).
The months with the least snowfall days are April, May, June, July, August and October (0 days).
Average daylight in December /
Average sunshine in December
Connell, WA
- Average daylight in December: 8h and 4min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in December: 5h and 2min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in December
Connell, WA
- Average sunshine days in December: 16.6 days
The month with the most sunshine days is July (26.3 days).
The month with the least sunshine days is February (14.8 days).
Average UV index in December
Connell, WA
- Average UV index in December: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Connell, WA
- Average cloud cover in December: 45
The month with the most cloud cover is January (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 10).
Average visibility in December
Connell, WA
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Connell, Washington, USA
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