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 shift from November to December involves a decrease in the average high-temperature, from a fresh 52.3°F (11.3°C) to a chilly 43.2°F (6.2°C). An average low-temperature of 31.1°F (-0.5°C) is observed during December nights in Neptune.Humidity
In December, the average relative humidity is 81%.Rainfall
In Neptune, in December, during 13.2 rainfall days, 3.5" (89mm) of precipitation is typically accumulated. In Neptune, during the entire year, the rain falls for 178.2 days and collects up to 35.35" (898mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Neptune. In December, in Neptune, it is snowing for 8.3 days. Throughout December, 2.83" (72mm) of snow is accumulated. Throughout the year, there are 40.4 snowfall days, and 15.91" (404mm) of snow is accumulated.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year in Neptune.On the first day of the month, sunrise is at 7:27 am and sunset at 5:05 pm. On the last day of December, in Neptune, sunrise is at 7:46 am and sunset at 5:14 pm EST.
Sunshine
The average sunshine in December is 4h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum UV index of 2 in December translates into the following recommendations:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Stay sun-safe with clothing that is both closely woven and worn loosely. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Frequently asked questions
Is December cold in Neptune?
What is the average humidity in December in Neptune?
How many days does it rain in December in Neptune?
How many days does it snow in December in Neptune?
What is the month with the shortest days in Neptune?
How many hours of daylight does Neptune have in December?
What time are sunrise and sunset in December in Neptune?
How long on average sun shines in December in Neptune?
When is the lowest UV index in Neptune?
What is the UV index reading in December in Neptune?
Average temperature in December
Neptune, WV
- Average high temperature in December: 43.2°F
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (37.6°F).
- Average low temperature in December: 31.1°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in December
Neptune, WV
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Neptune, WV
- Average wind speed in December: 6.3mph
The windiest months (with the highest average wind speed) are January and February (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in December
Neptune, WV
- Average humidity in December: 81%
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is August (75%).
Average rainfall in December
Neptune, WV
- Average rainfall in December: 3.5"
The wettest month (with the highest rainfall) is May (4.02").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in December
Neptune, WV
- Average rainfall days in December: 13.2 days
The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is November (10.8 days).
Average snowfall in December
Neptune, WV
- Average snowfall in December: 2.83"
The month with the highest snowfall is February (4.29").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Neptune, WV
- Average snowfall days in December: 8.3 days
The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Neptune, WV
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 4h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in December
Neptune, WV
- Average sunshine days in December: 11.9 days
The month with the most sunshine days is November (17.5 days).
The months with the least sunshine days are February and May (9.5 days).
Average UV index in December
Neptune, WV
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in December
Neptune, WV
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Neptune, 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).
Neptune, West Virginia, USA
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