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
As November transitions to December, the average high-temperature falls from a chilly 49.1°F (9.5°C) to a wintry 39.6°F (4.2°C). An average low-temperature of 28°F (-2.2°C) is recorded during the nights in December.Humidity
In Weirton, West Virginia, the average relative humidity in December is 83%.Rainfall
In Weirton, during December, the rain falls for 12.1 days and regularly aggregates up to 2.6" (66mm) of precipitation. Throughout the year, in Weirton, there are 175.9 rainfall days, and 31.22" (793mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Weirton, in December, snow falls for 11.7 days, with typically accumulated 3.43" (87mm) of snow. Throughout the year, there are 56.5 snowfall days, and 19.41" (493mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of December, sunrise is at 7:26 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 5:06 pm EST.
Sunshine
The average sunshine in December is 3.5h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum UV index of 1 in December translates into the following recommendations:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. 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
Is December cold?
What is the average humidity in December?
How much 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?
How many hours of sunshine does Weirton have in December?
When is the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Weirton, WV
- Average high temperature in December: 39.6°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (33.1°F).
- Average low temperature in December: 28°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 (20.3°F).
Average pressure in December
Weirton, 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
Weirton, 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 (4.7mph).
Average humidity in December
Weirton, WV
- Average humidity in December: 83%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in December
Weirton, WV
- Average rainfall in December: 2.6"
The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is November (2.17").
Average rainfall days in December
Weirton, WV
- Average rainfall days in December: 12.1 days
The month with the highest number of rainy days is May (20.5 days).
The month with the least rainy days is February (9.4 days).
Average snowfall in December
Weirton, WV
- Average snowfall in December: 3.43"
The month with the highest snowfall is January (5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Weirton, WV
- Average snowfall days in December: 11.7 days
The month with the highest number of snowfall days is January (15.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Weirton, 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 3min
The months with the most sunshine are July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in December
Weirton, WV
- Average sunshine days in December: 10.6 days
The month with the most sunshine days is November (15.5 days).
The months with the least sunshine days are January and May (8.8 days).
Average UV index in December
Weirton, 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
Weirton, WV
- Average cloud cover in December: 64
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Weirton, 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).
Weirton, West Virginia, USA
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