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 transition into December subtly indicates a reduction in the average high-temperature, down to a cold 38.8°F (3.8°C) from November's chilly 47.3°F (8.5°C). December nights cool down to an average low-temperature of 26.1°F (-3.3°C).Humidity
The average relative humidity in December is 84%.Rainfall
In Onego, in December, it is raining for 12.5 days, with typically 3.07" (78mm) of accumulated precipitation. In Onego, during the entire year, the rain falls for 175.3 days and collects up to 33.11" (841mm) of precipitation.Snowfall
Months with snowfall in Onego are January through May, October through December. In Onego, during December, snow falls for 13.3 days and regularly aggregates up to 8.27" (210mm) of snow. In Onego, during the entire year, snow falls for 70.3 days and aggregates up to 47.2" (1199mm) of snow.Daylight
December has the shortest days of the year in Onego, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 7:17 am and sunset at 4:56 pm. On the last day of December, sunrise is at 7:35 am and sunset at 5:06 pm EST.
Sunshine
In Onego, the average sunshine in December is 4.1h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index in Onego, West Virginia. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 1 in December translates into these instructions:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Frequently asked questions
Is it cold in Onego during December?
What is the average humidity in December in Onego?
How many days does it rain in December in Onego?
How much does it snow in Onego in December?
What is the month with the shortest days in Onego?
What is the average length of the day in December in Onego?
When is the sunrise / sunset in December in Onego?
How long on average sun shines in December in Onego?
When is the lowest UV index in Onego?
How high is the UV index in December in Onego?
Average temperature in December
Onego, WV
- Average high temperature in December: 38.8°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in December: 26.1°F
The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).
Average pressure in December
Onego, WV
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Onego, WV
- Average wind speed in December: 7.8mph
The windiest months (with the highest average wind speed) are January and February (8.6mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in December
Onego, WV
- Average humidity in December: 84%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are June and July (78%).
Average rainfall in December
Onego, WV
- Average rainfall in December: 3.07"
The wettest month (with the highest rainfall) is May (3.66").
The driest month (with the least rainfall) is November (2.2").
Average rainfall days in December
Onego, WV
- Average rainfall days in December: 12.5 days
The month with the highest number of rainy days is May (20.4 days).
The month with the least rainy days is February (8.4 days).
Average snowfall in December
Onego, WV
- Average snowfall in December: 8.27"
The month with the highest snowfall is January (10.35").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Onego, WV
- Average snowfall days in December: 13.3 days
The month with the highest number of snowfall days is January (15.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Onego, 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 1min
The months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in December
Onego, WV
- Average sunshine days in December: 10.1 days
The month with the most sunshine days is November (13.9 days).
The month with the least sunshine days is May (8.4 days).
Average UV index in December
Onego, WV
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Onego, WV
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 40).
Average visibility in December
Onego, WV
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, November and December (5mi).
The months with the lowest visibility are September and October (4mi).
Onego, West Virginia, USA
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