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 beginning of December involves a decrease in the average high-temperature, transitioning from a fresh 52.7°F (11.5°C) in November to a chilly 43.7°F (6.5°C). Throughout December, Porter records an average temperature of 32.4°F (0.2°C) at night.Humidity
In Porter, the average relative humidity in December is 81%.Rainfall
In Porter, during December, the rain falls for 13.4 days and regularly aggregates up to 3.11" (79mm) of precipitation. In Porter, during the entire year, the rain falls for 180.4 days and collects up to 34.06" (865mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Porter, in December, snow falls for 9.2 days, with typically accumulated 4.53" (115mm) of snow. In Porter, during the entire year, snow falls for 46.8 days and aggregates up to 22.01" (559mm) of snow.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:24 am and sunset at 5:04 pm. On the last day of December, in Porter, West Virginia, sunrise is at 7:42 am and sunset at 5:14 pm EST.
Sunshine
In Porter, the average sunshine in December is 4.1h.UV index
The months with the lowest UV index in Porter are January, February and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 2 suggests these recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Frequently asked questions
How cold is December in Porter?
What is the average humidity in December in Porter?
How many days does it rain in December in Porter?
How much does it snow in Porter in December?
What is the month with the shortest days in Porter?
How many hours of daylight does Porter have in December?
When is the sunrise / sunset in December in Porter?
How many hours of sunshine does Porter have in December?
What is the month with the lowest UV index in Porter?
What is the UV index intensity in December in Porter?
Average temperature in December
Porter, WV
- Average high temperature in December: 43.7°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (38.7°F).
- Average low temperature in December: 32.4°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (25.3°F).
Average pressure in December
Porter, 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
Porter, WV
- Average wind speed in December: 6.1mph
The windiest month (with the highest average wind speed) is February (6.6mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in December
Porter, WV
- Average humidity in December: 81%
The months with the highest relative humidity are January and February (82%).
The months with the lowest relative humidity are June, July, August and November (76%).
Average rainfall in December
Porter, WV
- Average rainfall in December: 3.11"
The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in December
Porter, WV
- Average rainfall days in December: 13.4 days
The month with the highest number of rainy days is May (20.1 days).
The month with the least rainy days is November (11 days).
Average snowfall in December
Porter, WV
- Average snowfall in December: 4.53"
The month with the highest snowfall is January (5.51").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Porter, WV
- Average snowfall days in December: 9.2 days
The month with the highest number of snowfall days is January (14.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Porter, 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 month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in December
Porter, WV
- Average sunshine days in December: 11.5 days
The months with the most sunshine days are October and November (16.5 days).
The month with the least sunshine days is February (8.4 days).
Average UV index in December
Porter, 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
Porter, 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 33).
Average visibility in December
Porter, 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).
Porter, West Virginia, USA
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