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
Blue Jay's December weather shows a modest shift in high-temperatures, falling from November's cool 50.4°F (10.2°C) to a wintry 42.4°F (5.8°C). The nights of December anticipate an average low-temperature of 30°F (-1.1°C).Humidity
In Blue Jay, the average relative humidity in December is 82%.Rainfall
In Blue Jay, West Virginia, in December, during 13.3 rainfall days, 3.62" (92mm) of precipitation is typically accumulated. Throughout the year, in Blue Jay, there are 189.8 rainfall days, and 36.5" (927mm) of precipitation is accumulated.Snowfall
Months with snowfall in Blue Jay are January through May, October through December. In Blue Jay, in December, snow falls for 12.6 days, with typically accumulated 7.48" (190mm) of snow. Throughout the year, there are 64.5 snowfall days, and 40.55" (1030mm) of snow is accumulated.Daylight
The month with the shortest days in Blue Jay is December, with an average of 9h and 36min of daylight.On the first day of the month, sunrise is at 7:21 am and sunset at 5:06 pm. On the last day of December, in Blue Jay, West Virginia, sunrise is at 7:39 am and sunset at 5:16 pm EST.
Sunshine
In Blue Jay, the average sunshine in December is 4.4h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Blue Jay, West Virginia. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Frequently asked questions
Is December cold in Blue Jay?
What is the average humidity in December in Blue Jay?
How much does it rain in Blue Jay in December?
How much does it snow in Blue Jay in December?
What is the month with the shortest days in Blue Jay?
How many hours of daylight does Blue Jay have in December?
When is the sunrise / sunset in December in Blue Jay?
How long on average sun shines in December in Blue Jay?
When is the lowest UV index in Blue Jay?
How high is the UV index in December in Blue Jay?
Average temperature in December
Blue Jay, WV
- Average high temperature in December: 42.4°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in December: 30°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in December
Blue Jay, 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
Blue Jay, WV
- Average wind speed in December: 6.9mph
The windiest months (with the highest average wind speed) are January and February (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in December
Blue Jay, WV
- Average humidity in December: 82%
The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are June, July, August and November (78%).
Average rainfall in December
Blue Jay, WV
- Average rainfall in December: 3.62"
The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in December
Blue Jay, WV
- Average rainfall days in December: 13.3 days
The month with the highest number of rainy days is May (22.3 days).
The month with the least rainy days is November (11.9 days).
Average snowfall in December
Blue Jay, WV
- Average snowfall in December: 7.48"
The month with the highest snowfall is February (8.98").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Blue Jay, WV
- Average snowfall days in December: 12.6 days
The month with the highest number of snowfall days is January (16.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Blue Jay, WV
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 4h and 2min
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: 4h and 0min).
Average sunshine days in December
Blue Jay, WV
- Average sunshine days in December: 9.5 days
The month with the most sunshine days is November (14.4 days).
The month with the least sunshine days is February (6.8 days).
Average UV index in December
Blue Jay, WV
- Average UV index in December: 2
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Blue Jay, WV
- Average cloud cover in December: 58
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in December
Blue Jay, 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).
Blue Jay, West Virginia, USA
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