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
December weather is marked by a drop in the average high-temperature, falling from a chilly 48°F (8.9°C) in November to a wintry 38.5°F (3.6°C). Throughout December, Jerkwater experiences a low-temperature average of 27.3°F (-2.6°C).Humidity
In December, the average relative humidity in Jerkwater is 81%.Rainfall
In Jerkwater, during December, the rain falls for 10.2 days and regularly aggregates up to 1.57" (40mm) of precipitation. In Jerkwater, Pennsylvania, during the entire year, the rain falls for 146.6 days and collects up to 19.84" (504mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Jerkwater, in December, during 6.7 snowfall days, 2.2" (56mm) of snow is typically accumulated. Throughout the year, in Jerkwater, there are 37.4 snowfall days, and 14.61" (371mm) of snow is accumulated.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year in Jerkwater, Pennsylvania.On the first day of December in Jerkwater, sunrise is at 7:16 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 4:57 pm EST.
Sunshine
In December, the average sunshine is 4.4h.UV index
The months with the lowest UV index in Jerkwater are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 2 during December translates into the following guidance:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Frequently asked questions
How cold is December in Jerkwater?
What is the average humidity in December in Jerkwater?
How many days does it rain in December in Jerkwater?
How many days does it snow in December in Jerkwater?
What is the month with the shortest days in Jerkwater?
How many hours of daylight does Jerkwater have in December?
When are sunrise and sunset in December in Jerkwater?
How long on average sun shines in December in Jerkwater?
What are the months with the lowest UV index in Jerkwater?
What is the UV index intensity in December in Jerkwater?
Average temperature in December
Jerkwater, PA
- Average high temperature in December: 38.5°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in December: 27.3°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in December
Jerkwater, 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
Jerkwater, PA
- Average wind speed in December: 7.6mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in December
Jerkwater, PA
- Average humidity in December: 81%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April and July (76%).
Average rainfall in December
Jerkwater, PA
- Average rainfall in December: 1.57"
The wettest month (with the highest rainfall) is May (2.36").
The driest month (with the least rainfall) is November (1.18").
Average rainfall days in December
Jerkwater, PA
- Average rainfall days in December: 10.2 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (7.5 days).
Average snowfall in December
Jerkwater, PA
- Average snowfall in December: 2.2"
The month with the highest snowfall is February (3.74").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Jerkwater, PA
- Average snowfall days in December: 6.7 days
The month with the highest number of snowfall days is January (10.9 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
Jerkwater, 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: 4h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in December
Jerkwater, PA
- Average sunshine days in December: 16.8 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (11 days).
Average UV index in December
Jerkwater, PA
- Average UV index in December: 2
The month with the highest UV index is June (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
Jerkwater, PA
- Average cloud cover in December: 54
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in December
Jerkwater, 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).
Jerkwater, Pennsylvania, USA
Weather forecast for your location
2. Allow the app to use your location