January weather forecastJenningsville, PA
January
Weather in January
January, the same as December, in Jenningsville, Pennsylvania, is another subzero cold winter month, with an average temperature fluctuating between 18°F (-7.8°C) and 30.2°F (-1°C).Temperature
With an average high-temperature of 30.2°F (-1°C) and an average low-temperature of 18°F (-7.8°C), January is the coldest month.Humidity
In Jenningsville, the average relative humidity in January is 82%.Rainfall
January is the month with the least rainfall. Rain falls for 7 days and accumulates 1.77" (45mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Jenningsville, in January, during 12 snowfall days, 4.76" (121mm) of snow is typically accumulated. Throughout the year, there are 47.2 snowfall days, and 22.68" (576mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 34min.On the first day of January, sunrise is at 7:31 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 5:18 pm EST.
Sunshine
The month with the least sunshine in Jenningsville, Pennsylvania, is January, with an average of 3.4h of sunshine.UV index
In Jenningsville, the average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In January, an average UV index of 2 transforms into the following instructions:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Opt for tightly woven and loose clothing to enhance protection from the Sun. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Jenningsville, PA
- Average high temperature in January: 30.2°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 (30.2°F).
- Average low temperature in January: 18°F
The month with the highest average low temperature is July (58.3°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in January
Jenningsville, PA
- Average pressure in January: 30.08"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in January
Jenningsville, PA
- Average wind speed in January: 8mph
The windiest months (with the highest average wind speed) are January, February, March and April (8mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in January
Jenningsville, PA
- Average humidity in January: 82%
The months with the highest relative humidity are February and December (84%).
The months with the lowest relative humidity are April, June and July (78%).
Average rainfall in January
Jenningsville, PA
- Average rainfall in January: 1.77"
The wettest month (with the highest rainfall) is July (3.03").
The driest month (with the least rainfall) is January (1.77").
Average rainfall days in January
Jenningsville, PA
- Average rainfall days in January: 7 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is January (7 days).
Average snowfall in January
Jenningsville, PA
- Average snowfall in January: 4.76"
The month with the highest snowfall is February (6.02").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Jenningsville, PA
- Average snowfall days in January: 12 days
The month with the highest number of snowfall days is January (12 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Jenningsville, PA
- Average daylight in January: 9h and 36min
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 12min).
- Average sunshine in January: 3h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in January
Jenningsville, PA
- Average sunshine days in January: 14.9 days
The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is July (9.9 days).
Average UV index in January
Jenningsville, PA
- Average UV index in January: 2
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 January
Jenningsville, PA
- Average cloud cover in January: 65
The months with the most cloud cover are January, February and December (Cloud cover 65).
The month with the least cloud cover is July (Cloud cover 38).
Average visibility in January
Jenningsville, PA
- Average visibility in January: 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).





