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 of the year, registering average temperatures as high as 29.7°F (-1.3°C) and as low as 18.3°F (-7.6°C).Humidity
In December, the average relative humidity is 90%.Rainfall
In Cedonia, Washington, in December, it is raining for 5.2 days, with typically 0.43" (11mm) of accumulated precipitation. In Cedonia, during the entire year, the rain falls for 86.5 days and collects up to 6.42" (163mm) of precipitation.Snowfall
January through April, September, November and December are months with snowfall. In Cedonia, during December, snow falls for 7.5 days and regularly aggregates up to 1.3" (33mm) of snow. Throughout the year, in Cedonia, there are 24.6 snowfall days, and 6.38" (162mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 8h and 24min of daylight.On the first day of the month, sunrise is at 7:22 am and sunset at 4:01 pm. On the last day of December, sunrise is at 7:42 am and sunset at 4:09 pm PST.
Sunshine
In December, the average sunshine is 4.1h.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 of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 1 in December interprets into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Frequently asked questions
What is the coldest month in Cedonia?
How cold is December in Cedonia?
What is the average humidity in December in Cedonia?
How much does it rain in Cedonia in December?
How many days does it snow in December in Cedonia?
What is the month with the shortest days in Cedonia?
How many hours of daylight does Cedonia have in December?
When is the sunrise / sunset in December in Cedonia?
How long on average sun shines in December in Cedonia?
What is the month with the lowest UV index in Cedonia?
What is the UV index intensity in December in Cedonia?
Average temperature in December
Cedonia, WA
- Average high temperature in December: 29.7°F
The warmest month (with the highest average high temperature) is August (82.8°F).
The month with the lowest average high temperature is December (29.7°F).
- Average low temperature in December: 18.3°F
The month with the highest average low temperature is August (52.3°F).
The coldest months (with the lowest average low temperature) are February and December (18.3°F).
Average pressure in December
Cedonia, WA
- Average pressure in December: 30.17"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The months with the lowest atmospheric pressure are June and August (29.91"Hg).
Average wind speed in December
Cedonia, WA
- Average wind speed in December: 3.4mph
The windiest month (with the highest average wind speed) is April (4.6mph).
The calmest months (with the lowest average wind speed) are January and December (3.4mph).
Average humidity in December
Cedonia, WA
- Average humidity in December: 90%
The month with the highest relative humidity is January (94%).
The month with the lowest relative humidity is August (47%).
Average rainfall in December
Cedonia, WA
- Average rainfall in December: 0.43"
The wettest month (with the highest rainfall) is May (1.06").
The driest month (with the least rainfall) is August (0.31").
Average rainfall days in December
Cedonia, WA
- Average rainfall days in December: 5.2 days
The month with the highest number of rainy days is May (11.3 days).
The month with the least rainy days is September (4.9 days).
Average snowfall in December
Cedonia, WA
- Average snowfall in December: 1.3"
The month with the highest snowfall is January (1.42").
The months with the least snowfall are May, June, July, August and October (0").
Average snowfall days in December
Cedonia, WA
- Average snowfall days in December: 7.5 days
The month with the highest number of snowfall days is December (7.5 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Cedonia, WA
- Average daylight in December: 8h and 2min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in December: 4h and 1min
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
Cedonia, WA
- Average sunshine days in December: 21.5 days
The month with the most sunshine days is September (23.8 days).
The month with the least sunshine days is June (17.3 days).
Average UV index in December
Cedonia, 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
Cedonia, WA
- Average cloud cover in December: 57
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in December
Cedonia, WA
- Average visibility in December: 4mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The month with the lowest visibility is January (2mi).
Cedonia, Washington, USA
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