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 brings a minor change in the average high-temperature, shifting from a fresh 50.7°F (10.4°C) in November to an icy 42.4°F (5.8°C). Forest Hill records an average nighttime low of 29.3°F (-1.5°C) in December.Humidity
In Forest Hill, the average relative humidity in December is 82%.Rainfall
In Forest Hill, during December, the rain falls for 11.5 days and regularly aggregates up to 2.28" (58mm) of precipitation. In Forest Hill, during the entire year, the rain falls for 165.3 days and collects up to 25.35" (644mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Forest Hill, West Virginia. In Forest Hill, in December, snow falls for 5.9 days, with typically accumulated 2.68" (68mm) of snow. Throughout the year, there are 34.1 snowfall days, and 14.61" (371mm) of snow is accumulated.Daylight
The month with the shortest days in Forest Hill is December, with an average of 9h and 36min of daylight.On the first day of December in Forest Hill, sunrise is at 7:19 am and sunset at 5:05 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 5:15 pm EST.
Sunshine
The average sunshine in December is 4.5h.UV index
The months with the lowest UV index in Forest Hill are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 2 in December translates into these instructions:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it cold in Forest Hill during December?
What is the average humidity in December in Forest Hill?
How many days does it rain in December in Forest Hill?
How much does it snow in Forest Hill in December?
What is the month with the shortest days in Forest Hill?
How many hours of daylight does Forest Hill have in December?
When are sunrise and sunset in December in Forest Hill?
How long on average sun shines in December in Forest Hill?
What are the months with the lowest UV index in Forest Hill?
How high is the UV index in December in Forest Hill?
Average temperature in December
Forest Hill, 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 (37.2°F).
- Average low temperature in December: 29.3°F
The month with the highest average low temperature is July (58.3°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in December
Forest Hill, 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
Forest Hill, WV
- Average wind speed in December: 6.6mph
The windiest months (with the highest average wind speed) are January and February (7.5mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in December
Forest Hill, WV
- Average humidity in December: 82%
The month with the highest relative humidity is February (83%).
The months with the lowest relative humidity are June, July and November (78%).
Average rainfall in December
Forest Hill, WV
- Average rainfall in December: 2.28"
The wettest month (with the highest rainfall) is May (2.8").
The driest month (with the least rainfall) is September (1.34").
Average rainfall days in December
Forest Hill, WV
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is November (9.2 days).
Average snowfall in December
Forest Hill, WV
- Average snowfall in December: 2.68"
The month with the highest snowfall is March (3.74").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Forest Hill, WV
- Average snowfall days in December: 5.9 days
The month with the highest number of snowfall days is February (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Forest Hill, 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 3min
The months with the most sunshine are June, July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in December
Forest Hill, WV
- Average sunshine days in December: 16.1 days
The month with the most sunshine days is October (18.6 days).
The month with the least sunshine days is May (10 days).
Average UV index in December
Forest Hill, 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
Forest Hill, 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 July (Cloud cover 39).
Average visibility in December
Forest Hill, WV
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (5mi).
The months with the lowest visibility are May and September (4mi).
Forest Hill, West Virginia, USA
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