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 proves to be the coldest month, recording an average maximum temperature of 32.2°F (0.1°C) and a minimum temperature of 22.1°F (-5.5°C).Humidity
In December, the average relative humidity is 86%.Rainfall
In Marshall, in December, during 9.6 rainfall days, 2.09" (53mm) of precipitation is typically accumulated. Throughout the year, there are 127.8 rainfall days, and 16.93" (430mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. In Marshall, in December, snow falls for 15.6 days, with typically accumulated 8.74" (222mm) of snow. Throughout the year, there are 62.3 snowfall days, and 37.83" (961mm) of snow is accumulated.Daylight
With an average of 8h and 30min of daylight, December has the shortest days of the year.On the first day of December in Marshall, sunrise is at 7:17 am and sunset at 4:00 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 4:08 pm PST.
Sunshine
The month with the least sunshine is December, with an average of 3.9h of sunshine.UV index
The months with the lowest UV index are February and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In December, an average UV index of 1 transforms into the following instructions:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
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 in Marshall?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Marshall have in December?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
What are the months with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Marshall, WA
- Average high temperature in December: 32.2°F
The warmest months (with the highest average high temperature) are July and August (83.7°F).
The month with the lowest average high temperature is December (32.2°F).
- Average low temperature in December: 22.1°F
The month with the highest average low temperature is August (59°F).
The coldest month (with the lowest average low temperature) is December (22.1°F).
Average pressure in December
Marshall, WA
- Average pressure in December: 30.17"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
Marshall, WA
- Average wind speed in December: 5.8mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in December
Marshall, 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 (38%).
Average rainfall in December
Marshall, WA
- Average rainfall in December: 2.09"
The wettest month (with the highest rainfall) is March (2.13").
The driest month (with the least rainfall) is August (0.35").
Average rainfall days in December
Marshall, WA
- Average rainfall days in December: 9.6 days
The month with the highest number of rainy days is April (16.3 days).
The month with the least rainy days is July (4.9 days).
Average snowfall in December
Marshall, WA
- Average snowfall in December: 8.74"
The month with the highest snowfall is January (10.39").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Marshall, WA
- Average snowfall days in December: 15.6 days
The month with the highest number of snowfall days is December (15.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Marshall, 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: 3h and 5min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 54min).
Average sunshine days in December
Marshall, WA
- Average sunshine days in December: 12 days
The month with the most sunshine days is July (24.1 days).
The month with the least sunshine days is March (9.8 days).
Average UV index in December
Marshall, WA
- Average UV index in December: 1
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in December
Marshall, WA
- Average cloud cover in December: 59
The months with the most cloud cover are January and December (Cloud cover 59).
The months with the least cloud cover are July and August (Cloud cover 13).
Average visibility in December
Marshall, WA
- Average visibility in December: 4mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (4mi).
Marshall, Washington, USA
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