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
With December's arrival, Allport's weather changes as the average high-temperature falls from a frosty 45.9°F (7.7°C) in November to an icy 36.3°F (2.4°C). Allport records an average nighttime low-temperature of 25.9°F (-3.4°C) throughout December.Humidity
In Allport, the average relative humidity in December is 84%.Rainfall
In Allport, in December, during 11.4 rainfall days, 1.57" (40mm) of precipitation is typically accumulated. Throughout the year, in Allport, there are 159 rainfall days, and 23.46" (596mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Allport. In December, it is snowing for 13.8 days. Throughout December, 4.13" (105mm) of snow is accumulated. Throughout the year, there are 67.7 snowfall days, and 23.54" (598mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of December in Allport, sunrise is at 7:18 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 4:54 pm EST.
Sunshine
In Allport, the average sunshine in December is 3.5h.UV index
The month with the lowest UV index in Allport is December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the average person.Note: A maximum UV index of 1 in December translates into the following recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Frequently asked questions
How cold is it in Allport in December?
What is the average humidity in December in Allport?
How much does it rain in Allport in December?
How much does it snow in Allport in December?
What is the month with the shortest days in Allport?
What is the average length of the day in December in Allport?
When are sunrise and sunset in December in Allport?
How long on average sun shines in December in Allport?
What is the month with the lowest UV index in Allport?
What is the UV index intensity in December in Allport?
Average temperature in December
Allport, PA
- Average high temperature in December: 36.3°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in December: 25.9°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in December
Allport, PA
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Allport, PA
- Average wind speed in December: 7.9mph
The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
Allport, PA
- Average humidity in December: 84%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is July (76%).
Average rainfall in December
Allport, PA
- Average rainfall in December: 1.57"
The wettest month (with the highest rainfall) is May (2.87").
The driest month (with the least rainfall) is November (1.42").
Average rainfall days in December
Allport, PA
- Average rainfall days in December: 11.4 days
The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is January (8.1 days).
Average snowfall in December
Allport, PA
- Average snowfall in December: 4.13"
The month with the highest snowfall is January (6.02").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Allport, PA
- Average snowfall days in December: 13.8 days
The month with the highest number of snowfall days is January (18.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Allport, PA
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 3h and 3min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in December
Allport, PA
- Average sunshine days in December: 10.5 days
The month with the most sunshine days is September (15.4 days).
The month with the least sunshine days is February (8.7 days).
Average UV index in December
Allport, PA
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Allport, PA
- Average cloud cover in December: 64
The month with the most cloud cover is January (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 38).
Average visibility in December
Allport, PA
- Average visibility in December: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are February and September (4mi).
Allport, Pennsylvania, USA
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