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
The arrival of December indicates a decrease in the average high-temperature, moving from a frosty 48.6°F (9.2°C) in November to an icy 38.5°F (3.6°C). During December, an average low-temperature of 27.3°F (-2.6°C) is observed.Humidity
In December, the average relative humidity is 84%.Rainfall
In Chester, during December, the rain falls for 11.5 days and regularly aggregates up to 1.77" (45mm) of precipitation. Throughout the year, in Chester, there are 161.5 rainfall days, and 22.72" (577mm) of precipitation is accumulated.Snowfall
Months with snowfall in Chester are January through May, October through December. In December, in Chester, it is snowing for 11.1 days. Throughout December, 2.56" (65mm) of snow is accumulated. Throughout the year, there are 54.4 snowfall days, and 13.39" (340mm) of snow is accumulated.Daylight
The month with the shortest days in Chester is December, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:27 am and sunset at 4:55 pm. On the last day of December, in Chester, sunrise is at 7:45 am and sunset at 5:05 pm EST.
Sunshine
In Chester, the average sunshine in December is 3.4h.UV index
December is the month with the lowest UV index in Chester, West Virginia, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 1 during December leads to these advisories:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Chester in December?
What is the average humidity in December in Chester?
How many days does it rain in December in Chester?
How many days does it snow in December in Chester?
What is the month with the shortest days in Chester?
How many hours of daylight does Chester have in December?
What time are sunrise and sunset in December in Chester?
How many hours of sunshine does Chester have in December?
What is the month with the lowest UV index in Chester?
What is the UV index reading in December in Chester?
Average temperature in December
Chester, WV
- Average high temperature in December: 38.5°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in December: 27.3°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in December
Chester, WV
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Chester, WV
- Average wind speed in December: 7.5mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in December
Chester, WV
- Average humidity in December: 84%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in December
Chester, WV
- Average rainfall in December: 1.77"
The wettest months (with the highest rainfall) are April and May (2.24").
The driest month (with the least rainfall) is November (1.54").
Average rainfall days in December
Chester, WV
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in December
Chester, WV
- Average snowfall in December: 2.56"
The month with the highest snowfall is January (3.39").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Chester, WV
- Average snowfall days in December: 11.1 days
The month with the highest number of snowfall days is January (15.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Chester, WV
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 3h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in December
Chester, WV
- Average sunshine days in December: 12 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is February (9.5 days).
Average UV index in December
Chester, WV
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Chester, WV
- Average cloud cover in December: 65
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Chester, WV
- Average visibility in December: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January and February (4mi).
Chester, West Virginia, USA
Weather forecast for your location
2. Allow the app to use your location