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
Jenners's weather in December involves a decrease in the average high-temperature, moving down from November's frosty 46.2°F (7.9°C) to a cold 36.7°F (2.6°C). In the month of December, the average temperature dips to a subzero cold 26.1°F (-3.3°C) during the night.Humidity
In December, the average relative humidity in Jenners is 86%.Rainfall
In December, the rain falls for 9.7 days. Throughout December, 2.64" (67mm) of precipitation is accumulated. In Jenners, Pennsylvania, during the entire year, the rain falls for 164.4 days and collects up to 30.08" (764mm) of precipitation.Snowfall
Months with snowfall in Jenners are January through May, October through December. In Jenners, in December, during 11.1 snowfall days, 5.04" (128mm) of snow is typically accumulated. In Jenners, Pennsylvania, during the entire year, snow falls for 56.8 days and aggregates up to 27.6" (701mm) of snow.Daylight
December has the shortest days of the year in Jenners, with an average of 9h and 24min of daylight.On the first day of December, sunrise is at 7:19 am and sunset at 4:51 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 5:00 pm EST.
Sunshine
The average sunshine in December is 3.3h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: In December, a daily maximum UV index of 1 leads to the following instructions:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Frequently asked questions
How cold is it in Jenners in December?
What is the average humidity in December in Jenners?
How many days does it rain in December in Jenners?
How many days does it snow in December in Jenners?
What is the month with the shortest days in Jenners?
How many hours of daylight does Jenners have in December?
What time are sunrise and sunset in December in Jenners?
How long on average sun shines in December in Jenners?
When is the lowest UV index in Jenners?
How high is the UV index in December in Jenners?
Average temperature in December
Jenners, PA
- Average high temperature in December: 36.7°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (31.1°F).
- Average low temperature in December: 26.1°F
The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in December
Jenners, 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
Jenners, PA
- Average wind speed in December: 9.5mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in December
Jenners, PA
- Average humidity in December: 86%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April, June and July (79%).
Average rainfall in December
Jenners, PA
- Average rainfall in December: 2.64"
The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is November (1.65").
Average rainfall days in December
Jenners, PA
- Average rainfall days in December: 9.7 days
The month with the highest number of rainy days is May (19.9 days).
The month with the least rainy days is January (8.2 days).
Average snowfall in December
Jenners, PA
- Average snowfall in December: 5.04"
The month with the highest snowfall is January (6.46").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Jenners, PA
- Average snowfall days in December: 11.1 days
The month with the highest number of snowfall days is January (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Jenners, 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 2min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in December
Jenners, PA
- Average sunshine days in December: 12.7 days
The month with the most sunshine days is November (15.8 days).
The month with the least sunshine days is May (9.3 days).
Average UV index in December
Jenners, 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
Jenners, PA
- Average cloud cover in December: 68
The month with the most cloud cover is January (Cloud cover 72).
The months with the least cloud cover are July and August (Cloud cover 40).
Average visibility in December
Jenners, PA
- Average visibility in December: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
Jenners, Pennsylvania, USA
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