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
As December commences, the average high-temperature subtly reduces, transitioning from a fresh 51.3°F (10.7°C) in November to an icy 42.3°F (5.7°C). The temperature in Glenville dips to an average of 30.7°F (-0.7°C) during December nights.Humidity
In December, the average relative humidity is 78%.Rainfall
In Glenville, Pennsylvania, in December, during 10.7 rainfall days, 2.24" (57mm) of precipitation is typically accumulated. In Glenville, during the entire year, the rain falls for 160.1 days and collects up to 29.84" (758mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Glenville, Pennsylvania, in December, during 4.2 snowfall days, 1.69" (43mm) of snow is typically accumulated. Throughout the year, there are 22 snowfall days, and 11.85" (301mm) of snow is accumulated.Daylight
December has the shortest days of the year in Glenville, with an average of 9h and 24min of daylight.On the first day of December, sunrise is at 7:09 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 4:52 pm EST.
Sunshine
In December, the average sunshine in Glenville is 5h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, the maximum UV index of 2 translates into these guidelines:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. During bright days, sunglasses that offer UVA and UVB defense are recommended. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
Is it cold in Glenville during December?
What is the average humidity in December in Glenville?
How many days does it rain in December in Glenville?
How much does it snow in Glenville in December?
What is the month with the shortest days in Glenville?
How many hours of daylight does Glenville have in December?
When are sunrise and sunset in December in Glenville?
How long on average sun shines in December in Glenville?
What are the months with the lowest UV index in Glenville?
How high is the UV index in December in Glenville?
Average temperature in December
Glenville, PA
- Average high temperature in December: 42.3°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 (36.3°F).
- Average low temperature in December: 30.7°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).
Average pressure in December
Glenville, 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 (29.94"Hg).
Average wind speed in December
Glenville, PA
- Average wind speed in December: 8.1mph
The windiest months (with the highest average wind speed) are February and March (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in December
Glenville, PA
- Average humidity in December: 78%
The month with the highest relative humidity is May (81%).
The months with the lowest relative humidity are January, March, April, July and November (76%).
Average rainfall in December
Glenville, PA
- Average rainfall in December: 2.24"
The wettest month (with the highest rainfall) is August (3.31").
The driest month (with the least rainfall) is February (1.93").
Average rainfall days in December
Glenville, PA
- Average rainfall days in December: 10.7 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (7.9 days).
Average snowfall in December
Glenville, PA
- Average snowfall in December: 1.69"
The month with the highest snowfall is March (3.62").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Glenville, PA
- Average snowfall days in December: 4.2 days
The month with the highest number of snowfall days is January (6.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Glenville, PA
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 5h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Glenville, PA
- Average sunshine days in December: 17.3 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (10.5 days).
Average UV index in December
Glenville, PA
- 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, November and December (UV index 2).
Average cloud cover in December
Glenville, PA
- Average cloud cover in December: 46
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in December
Glenville, PA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
Glenville, Pennsylvania, USA
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