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's onset brings a negligible change in high-temperatures, falling from a fresh 51.3°F (10.7°C) in November to a frosty 42.8°F (6°C). Mathias's nights in December cool down to an average low-temperature of 29.1°F (-1.6°C).Humidity
In December, the average relative humidity is 78%.Rainfall
In Mathias, during December, the rain falls for 9.5 days and regularly aggregates up to 1.54" (39mm) of precipitation. In Mathias, during the entire year, the rain falls for 147.6 days and collects up to 21.02" (534mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In December, it is snowing for 4 days. Throughout December, 2.13" (54mm) of snow is accumulated. In Mathias, during the entire year, snow falls for 24.5 days and aggregates up to 13.31" (338mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 7:15 am and sunset at 4:53 pm. On the last day of December, sunrise is at 7:33 am and sunset at 5:03 pm EST.
Sunshine
The months with the least sunshine are January and December, with an average of 5.3h of sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the average person.Note: A maximum high daily UV index of 2 during December translates into the following directions:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How much does it rain in Mathias in December?
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 in Mathias?
What time are sunrise and sunset in December in Mathias?
What are the months with the least sunshine?
How many hours of sunshine does Mathias have in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Mathias, WV
- Average high temperature in December: 42.8°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (37.6°F).
- Average low temperature in December: 29.1°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (23°F).
Average pressure in December
Mathias, WV
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Mathias, WV
- Average wind speed in December: 5.8mph
The windiest month (with the highest average wind speed) is February (7mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in December
Mathias, WV
- Average humidity in December: 78%
The month with the highest relative humidity is October (79%).
The months with the lowest relative humidity are April and July (74%).
Average rainfall in December
Mathias, WV
- Average rainfall in December: 1.54"
The wettest month (with the highest rainfall) is May (2.72").
The driest month (with the least rainfall) is November (1.14").
Average rainfall days in December
Mathias, WV
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is February (8 days).
Average snowfall in December
Mathias, WV
- Average snowfall in December: 2.13"
The month with the highest snowfall is March (3.62").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Mathias, WV
- Average snowfall days in December: 4 days
The month with the highest number of snowfall days is January (7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Mathias, WV
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 5h and 2min
The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The months with the least sunshine are January and December (Average sunshine: 5h and 18min).
Average sunshine days in December
Mathias, WV
- Average sunshine days in December: 18.6 days
The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is May (12 days).
Average UV index in December
Mathias, WV
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Mathias, WV
- Average cloud cover in December: 44
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in December
Mathias, WV
- Average visibility in December: 6mi
The months with the highest visibility are January, February, April, June, July, November and December (6mi).
The months with the lowest visibility are March, May, August, September and October (5mi).
Mathias, West Virginia, USA
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