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 witnesses a gentle descent in average high-temperature, descending from November's cool 52.3°F (11.3°C) to a frosty 43.5°F (6.4°C). Gallagher experiences a mean temperature of 31.5°F (-0.3°C) during December nights.Humidity
In Gallagher, West Virginia, the average relative humidity in December is 81%.Rainfall
In Gallagher, during December, the rain falls for 14.5 days and regularly aggregates up to 3.31" (84mm) of precipitation. Throughout the year, there are 193.3 rainfall days, and 35.98" (914mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Gallagher. In December, it is snowing for 8.7 days. Throughout December, 4.17" (106mm) of snow is accumulated. Throughout the year, there are 45.1 snowfall days, and 22.2" (564mm) of snow is accumulated.Daylight
With an average of 9h and 36min of daylight, December has the shortest days of the year in Gallagher.On the first day of December in Gallagher, sunrise is at 7:23 am and sunset at 5:05 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:15 pm EST.
Sunshine
The average sunshine in December is 4.3h.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 reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: A daily maximum UV index of 2 in December translates into the following instructions:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. When the Sun is at its strongest around midday, find shade and limit exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Frequently asked questions
How cold is December in Gallagher?
What is the average humidity in December in Gallagher?
How many days does it rain in December in Gallagher?
How much does it snow in Gallagher in December?
What is the month with the shortest days in Gallagher?
How many hours of daylight does Gallagher have in December?
When are sunrise and sunset in December in Gallagher?
How many hours of sunshine does Gallagher have in December?
What is the month with the lowest UV index in Gallagher?
What is the UV index reading in December in Gallagher?
Average temperature in December
Gallagher, WV
- Average high temperature in December: 43.5°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in December: 31.5°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in December
Gallagher, 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
Gallagher, WV
- Average wind speed in December: 6.3mph
The windiest month (with the highest average wind speed) is February (6.9mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in December
Gallagher, WV
- Average humidity in December: 81%
The month with the highest relative humidity is February (83%).
The months with the lowest relative humidity are June, July, August and November (77%).
Average rainfall in December
Gallagher, WV
- Average rainfall in December: 3.31"
The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in December
Gallagher, WV
- Average rainfall days in December: 14.5 days
The month with the highest number of rainy days is May (20.8 days).
The month with the least rainy days is November (12.1 days).
Average snowfall in December
Gallagher, WV
- Average snowfall in December: 4.17"
The month with the highest snowfall is January (5.75").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Gallagher, WV
- Average snowfall days in December: 8.7 days
The month with the highest number of snowfall days is January (13.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Gallagher, WV
- Average daylight in December: 9h and 4min
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 36min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in December
Gallagher, WV
- Average sunshine days in December: 10.3 days
The month with the most sunshine days is November (15.6 days).
The month with the least sunshine days is February (7.6 days).
Average UV index in December
Gallagher, WV
- Average UV index in December: 2
The months with the highest UV index are 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
Gallagher, 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 34).
Average visibility in December
Gallagher, WV
- Average visibility in December: 5mi
The months with the highest visibility are April and November (6mi).
The month with the lowest visibility is January (4mi).
Gallagher, West Virginia, USA
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