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
In Mohler, the lowest temperatures are generally noted in December, averaging a high of 31.5°F (-0.3°C) and a low of 21.9°F (-5.6°C).Humidity
The average relative humidity in December is 86%.Rainfall
In December, the rain falls for 9.1 days. Throughout December, 1.89" (48mm) of precipitation is accumulated. Throughout the year, there are 127.9 rainfall days, and 15.71" (399mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. In December, it is snowing for 15.9 days. Throughout December, 9.02" (229mm) of snow is accumulated. Throughout the year, there are 65.1 snowfall days, and 37.36" (949mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 8h and 30min of daylight.On the first day of the month, sunrise is at 7:20 am and sunset at 4:04 pm. On the last day of December, sunrise is at 7:40 am and sunset at 4:12 pm PST.
Sunshine
December has the least sunshine of the year, with an average of 4.1h of sunshine.UV index
January through March, October through 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 exposure to the Sun's UV radiation for the average person.Note: In December, the maximum UV index of 2 translates into these guidelines:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. When the Sun is at its strongest around midday, find shade and limit exposure. Experience reduced UV exposure by about half when donning a wide-brim hat. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest?
How cold is it in 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 are sunrise and sunset in December?
What is the month with the least sunshine in Mohler?
How long on average sun shines in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Mohler, WA
- Average high temperature in December: 31.5°F
The warmest months (with the highest average high temperature) are July and August (83.3°F).
The month with the lowest average high temperature is December (31.5°F).
- Average low temperature in December: 21.9°F
The month with the highest average low temperature is August (60.3°F).
The coldest month (with the lowest average low temperature) is December (21.9°F).
Average pressure in December
Mohler, WA
- Average pressure in December: 30.16"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.9"Hg).
Average wind speed in December
Mohler, WA
- Average wind speed in December: 6.6mph
The windiest months (with the highest average wind speed) are March and April (8.1mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in December
Mohler, WA
- Average humidity in December: 86%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (37%).
Average rainfall in December
Mohler, WA
- Average rainfall in December: 1.89"
The wettest month (with the highest rainfall) is March (1.97").
The driest months (with the least rainfall) are July and August (0.31").
Average rainfall days in December
Mohler, WA
- Average rainfall days in December: 9.1 days
The month with the highest number of rainy days is March (16.3 days).
The month with the least rainy days is August (5.2 days).
Average snowfall in December
Mohler, WA
- Average snowfall in December: 9.02"
The month with the highest snowfall is January (10").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Mohler, WA
- Average snowfall days in December: 15.9 days
The month with the highest number of snowfall days is December (15.9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Mohler, WA
- Average daylight in December: 8h and 3min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).
Average sunshine days in December
Mohler, WA
- Average sunshine days in December: 12.8 days
The month with the most sunshine days is July (23.7 days).
The month with the least sunshine days is March (10.2 days).
Average UV index in December
Mohler, 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, March, October, November and December (UV index 2).
Average cloud cover in December
Mohler, WA
- Average cloud cover in December: 56
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 12).
Average visibility in December
Mohler, WA
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
Mohler, Washington, USA
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