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 arrival signals a moderate reduction in the average high-temperature, easing from a cool 51.3°F (10.7°C) in November to a chilly 42.8°F (6°C). During the month of December, the temperature falls to an average of 30.4°F (-0.9°C).Humidity
The average relative humidity in December is 82%.Rainfall
In Winona, in December, during 13 rainfall days, 2.72" (69mm) of precipitation is typically accumulated. Throughout the year, there are 176.2 rainfall days, and 30.55" (776mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Winona, West Virginia, in December, snow falls for 9.7 days, with typically accumulated 3.74" (95mm) of snow. In Winona, during the entire year, snow falls for 48.4 days and aggregates up to 21.34" (542mm) of snow.Daylight
With an average of 9h and 36min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:21 am and sunset at 5:04 pm. On the last day of December, in Winona, sunrise is at 7:39 am and sunset at 5:14 pm EST.
Sunshine
The average sunshine in December is 4.3h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 2 during December translates into these guidelines:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. 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 December?
What is the average humidity in December?
How much does it rain 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?
What time are sunrise and sunset in December?
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
Winona, WV
- Average high temperature in December: 42.8°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in December: 30.4°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (24.1°F).
Average pressure in December
Winona, WV
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in December
Winona, WV
- Average wind speed in December: 6.6mph
The windiest month (with the highest average wind speed) is February (7.2mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in December
Winona, WV
- Average humidity in December: 82%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is June (77%).
Average rainfall in December
Winona, WV
- Average rainfall in December: 2.72"
The wettest month (with the highest rainfall) is May (3.35").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in December
Winona, WV
- Average rainfall days in December: 13 days
The month with the highest number of rainy days is May (20.4 days).
The month with the least rainy days is November (11 days).
Average snowfall in December
Winona, WV
- Average snowfall in December: 3.74"
The month with the highest snowfall is January (5.59").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Winona, WV
- Average snowfall days in December: 9.7 days
The month with the highest number of snowfall days is January (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Winona, WV
- Average daylight in December: 9h and 4min
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 36min).
- Average sunshine in December: 4h 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: 3h and 48min).
Average sunshine days in December
Winona, WV
- Average sunshine days in December: 11 days
The month with the most sunshine days is October (16.5 days).
The month with the least sunshine days is January (8.4 days).
Average UV index in December
Winona, WV
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Winona, WV
- Average cloud cover in December: 58
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Winona, 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, February, March, May, June, July, August, September, October and December (5mi).
Winona, West Virginia, USA
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