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 onset of December entails a temperature shift, as the average high-temperature decreases from a chilly 49.1°F (9.5°C) in November to an icy 39.7°F (4.3°C). In December, West Alexander experiences a temperature dip to an average of 28°F (-2.2°C) at night.Humidity
In West Alexander, the average relative humidity in December is 83%.Rainfall
In West Alexander, during December, the rain falls for 9.1 days and regularly aggregates up to 1.54" (39mm) of precipitation. In West Alexander, during the entire year, the rain falls for 147 days and collects up to 19.57" (497mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in West Alexander. In West Alexander, in December, snow falls for 5.9 days, with typically accumulated 1.89" (48mm) of snow. In West Alexander, during the entire year, snow falls for 33.4 days and aggregates up to 9.96" (253mm) of snow.Daylight
The month with the shortest days in West Alexander is December, with an average of 9h and 24min of daylight.On the first day of December, sunrise is at 7:25 am and sunset at 4:57 pm. On the last day of the month, sunrise is at 7:44 am and sunset at 5:06 pm EST.
Sunshine
In December, the average sunshine in West Alexander is 3.6h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In December, the UV index of 1 transforms into the following advice:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Frequently asked questions
How cold is December in West Alexander?
What is the average humidity in December in West Alexander?
How many days does it rain in December in West Alexander?
How much does it snow in West Alexander in December?
What is the month with the shortest days in West Alexander?
How many hours of daylight does West Alexander have in December?
When is the sunrise / sunset in December in West Alexander?
How many hours of sunshine does West Alexander have in December?
When is the lowest UV index in West Alexander?
How high is the UV index in December in West Alexander?
Average temperature in December
West Alexander, PA
- Average high temperature in December: 39.7°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in December: 28°F
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in December
West Alexander, PA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
West Alexander, PA
- Average wind speed in December: 7.3mph
The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest months (with the lowest average wind speed) are July and August (4.6mph).
Average humidity in December
West Alexander, PA
- Average humidity in December: 83%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is April (77%).
Average rainfall in December
West Alexander, PA
- Average rainfall in December: 1.54"
The wettest month (with the highest rainfall) is May (2.17").
The driest month (with the least rainfall) is January (1.02").
Average rainfall days in December
West Alexander, PA
- Average rainfall days in December: 9.1 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is January (6.7 days).
Average snowfall in December
West Alexander, PA
- Average snowfall in December: 1.89"
The months with the highest snowfall are February and March (2.48").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
West Alexander, PA
- Average snowfall days in December: 5.9 days
The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
West Alexander, PA
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 3h 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: 3h and 0min).
Average sunshine days in December
West Alexander, PA
- Average sunshine days in December: 17.4 days
The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is May (9.9 days).
Average UV index in December
West Alexander, PA
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
West Alexander, PA
- Average cloud cover in December: 63
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
West Alexander, PA
- 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).
West Alexander, Pennsylvania, USA
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