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 onset of December brings a small shift in high-temperatures, falling from a frosty 48.7°F (9.3°C) in November to a cold 40.6°F (4.8°C). The average temperature during December nights dips to a freezing cold 28.2°F (-2.1°C).Humidity
In December, the average relative humidity in Dyer is 83%.Rainfall
In Dyer, during December, the rain falls for 12.5 days and regularly aggregates up to 3.7" (94mm) of precipitation. Throughout the year, in Dyer, West Virginia, there are 197.5 rainfall days, and 41.61" (1057mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Dyer, in December, snow falls for 11.4 days, with typically accumulated 7.64" (194mm) of snow. Throughout the year, there are 59.4 snowfall days, and 37.4" (950mm) of snow is accumulated.Daylight
December has the shortest days of the year in Dyer, West Virginia, with an average of 9h and 30min of daylight.On the first day of December in Dyer, sunrise is at 7:20 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 5:11 pm EST.
Sunshine
In December, the average sunshine is 4.3h.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 of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for average individuals.Note: A maximum high daily UV index of 2 during December translates into the following directions:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Frequently asked questions
Is it cold in Dyer during December?
What is the average humidity in December in Dyer?
How many days does it rain in December in Dyer?
How many days does it snow in December in Dyer?
What is the month with the shortest days in Dyer?
How many hours of daylight does Dyer have in December?
When is the sunrise / sunset in December in Dyer?
How long on average sun shines in December in Dyer?
When is the lowest UV index in Dyer?
What is the UV index reading in December in Dyer?
Average temperature in December
Dyer, WV
- Average high temperature in December: 40.6°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (34.9°F).
- Average low temperature in December: 28.2°F
The month with the highest average low temperature is July (57.9°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in December
Dyer, 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
Dyer, WV
- Average wind speed in December: 7.1mph
The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in December
Dyer, WV
- Average humidity in December: 83%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are June, July and November (79%).
Average rainfall in December
Dyer, WV
- Average rainfall in December: 3.7"
The wettest month (with the highest rainfall) is May (4.49").
The driest month (with the least rainfall) is September (2.13").
Average rainfall days in December
Dyer, WV
- Average rainfall days in December: 12.5 days
The month with the highest number of rainy days is May (23.4 days).
The month with the least rainy days is January (11.4 days).
Average snowfall in December
Dyer, WV
- Average snowfall in December: 7.64"
The month with the highest snowfall is February (8.62").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Dyer, WV
- Average snowfall days in December: 11.4 days
The month with the highest number of snowfall days is January (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Dyer, 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: 4h and 2min
The months with the most sunshine are June and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Dyer, WV
- Average sunshine days in December: 10 days
The month with the most sunshine days is October (14.6 days).
The month with the least sunshine days is May (5.9 days).
Average UV index in December
Dyer, WV
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Dyer, WV
- Average cloud cover in December: 60
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in December
Dyer, WV
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are January, February and September (4mi).
Dyer, West Virginia, USA
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