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
December indicates a minor shift in the average high-temperature, from November's fresh 52.5°F (11.4°C) to a chilly 44.4°F (6.9°C). In December, the nighttime temperature lowers to an average of 31.1°F (-0.5°C).Humidity
In December, the average relative humidity is 81%.Rainfall
In Erin, in December, it is raining for 11.6 days, with typically 2.8" (71mm) of accumulated precipitation. In Erin, during the entire year, the rain falls for 172.5 days and collects up to 29.41" (747mm) of precipitation.Snowfall
Months with snowfall in Erin are January through May, October through December. The month with the most snowfall in Erin is December, when snow falls for 7.8 days and typically aggregates up to 4.41" (112mm) of snow.Daylight
With an average of 9h and 36min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:23 am and sunset at 5:09 pm. On the last day of December, in Erin, sunrise is at 7:41 am and sunset at 5:19 pm EST.
Sunshine
In December, the average sunshine in Erin is 4.7h.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 value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The average daily UV index of 2 in December transforms into the following instructions:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it cold in Erin during December?
What is the average humidity in December in Erin?
How much does it rain in Erin in December?
What is the snowiest month in Erin?
How much does it snow in Erin in December?
What is the month with the shortest days in Erin?
How many hours of daylight does Erin have in December?
What time are sunrise and sunset in December in Erin?
How long on average sun shines in December in Erin?
What is the month with the lowest UV index in Erin?
What is the UV index intensity in December in Erin?
Average temperature in December
Erin, WV
- Average high temperature in December: 44.4°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (39.2°F).
- Average low temperature in December: 31.1°F
The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (25°F).
Average pressure in December
Erin, 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 (29.99"Hg).
Average wind speed in December
Erin, WV
- Average wind speed in December: 6.5mph
The windiest month (with the highest average wind speed) is January (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in December
Erin, WV
- Average humidity in December: 81%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are July, August and November (76%).
Average rainfall in December
Erin, WV
- Average rainfall in December: 2.8"
The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in December
Erin, WV
- Average rainfall days in December: 11.6 days
The month with the highest number of rainy days is May (19.7 days).
The months with the least rainy days are January and November (10.1 days).
Average snowfall in December
Erin, WV
- Average snowfall in December: 4.41"
The month with the highest snowfall is December (4.41").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Erin, WV
- Average snowfall days in December: 7.8 days
The month with the highest number of snowfall days is January (10.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Erin, 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 4min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in December
Erin, WV
- Average sunshine days in December: 13.8 days
The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is May (9.2 days).
Average UV index in December
Erin, WV
- Average UV index in December: 2
The months with the highest UV index are June 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
Erin, WV
- Average cloud cover in December: 55
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are June and August (Cloud cover 36).
Average visibility in December
Erin, 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).
Erin, West Virginia, USA
Weather forecast for your location
2. Allow the app to use your location