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
Pennville's December weather shows a modest shift in high-temperatures, falling from November's cool 50.9°F (10.5°C) to a cold 42.1°F (5.6°C). During December, the average low-temperature in Pennville is a freezing cold 29.8°F (-1.2°C).Humidity
In Pennville, the average relative humidity in December is 79%.Rainfall
In Pennville, during December, the rain falls for 8.3 days and regularly aggregates up to 1.22" (31mm) of precipitation. Throughout the year, there are 133.6 rainfall days, and 17.52" (445mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Pennville. In Pennville, in December, during 3.7 snowfall days, 1.18" (30mm) of snow is typically accumulated. Throughout the year, there are 19.9 snowfall days, and 7.24" (184mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:10 am and sunset at 4:43 pm. On the last day of December, in Pennville, sunrise is at 7:29 am and sunset at 4:53 pm EST.
Sunshine
In December, the average sunshine in Pennville is 4.9h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Pennville. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: During December, 2 as the daily maximum UV index converts into the following advice:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Frequently asked questions
How cold is it in Pennville in December?
What is the average humidity in December in Pennville?
How many days does it rain in December in Pennville?
How many days does it snow in December in Pennville?
What is the month with the shortest days in Pennville?
How many hours of daylight does Pennville have in December?
What time are sunrise and sunset in December in Pennville?
How long on average sun shines in December in Pennville?
When is the lowest UV index in Pennville?
How high is the UV index in December in Pennville?
Average temperature in December
Pennville, PA
- Average high temperature in December: 42.1°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 (36.1°F).
- Average low temperature in December: 29.8°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).
Average pressure in December
Pennville, 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
Pennville, PA
- Average wind speed in December: 8mph
The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in December
Pennville, PA
- Average humidity in December: 79%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is April (75%).
Average rainfall in December
Pennville, PA
- Average rainfall in December: 1.22"
The wettest months (with the highest rainfall) are July and August (2.01").
The driest month (with the least rainfall) is January (1.06").
Average rainfall days in December
Pennville, PA
- Average rainfall days in December: 8.3 days
The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (5.6 days).
Average snowfall in December
Pennville, PA
- Average snowfall in December: 1.18"
The month with the highest snowfall is January (2.17").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Pennville, PA
- Average snowfall days in December: 3.7 days
The month with the highest number of snowfall days is January (6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Pennville, 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: 4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in December
Pennville, PA
- Average sunshine days in December: 19.9 days
The month with the most sunshine days is November (21.3 days).
The month with the least sunshine days is May (13.1 days).
Average UV index in December
Pennville, PA
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Pennville, PA
- Average cloud cover in December: 47
The months with the most cloud cover are February and March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in December
Pennville, 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).
Pennville, Pennsylvania, USA
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