January weather forecastGlen Carbon, PA
January
Weather in January
January, like December, in Glen Carbon, Pennsylvania, is a wintry winter month, with temperature in the range of an average low of 20.1°F (-6.6°C) and an average high of 32.7°F (0.4°C).Temperature
During the coldest month, January, temperatures average a high of 32.7°F (0.4°C) and a low of 20.1°F (-6.6°C).Humidity
The average relative humidity in January is 79%.Rainfall
In January, the rain falls for 5.7 days. Throughout January, 1.77" (45mm) of precipitation is accumulated. Throughout the year, there are 146 rainfall days, and 26.42" (671mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Glen Carbon, in January, during 5.8 snowfall days, 3.39" (86mm) of snow is typically accumulated. In Glen Carbon, during the entire year, snow falls for 23 days and aggregates up to 13.46" (342mm) of snow.Daylight
The average length of the day in January is 9h and 39min.On the first day of January, sunrise is at 7:29 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 5:20 pm EST.
Sunshine
The months with the least sunshine are January and February, with an average of 4.4h of sunshine.UV index
The months with the lowest UV index 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 minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum daily UV index of 2 during January morphs into the following directions:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Glen Carbon, PA
- Average high temperature in January: 32.7°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 (32.7°F).
- Average low temperature in January: 20.1°F
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in January
Glen Carbon, PA
- Average pressure in January: 30.09"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in January
Glen Carbon, PA
- Average wind speed in January: 8.2mph
The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in January
Glen Carbon, PA
- Average humidity in January: 79%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (77%).
Average rainfall in January
Glen Carbon, PA
- Average rainfall in January: 1.77"
The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is February (1.69").
Average rainfall days in January
Glen Carbon, PA
- Average rainfall days in January: 5.7 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (5.7 days).
Average snowfall in January
Glen Carbon, PA
- Average snowfall in January: 3.39"
The month with the highest snowfall is March (3.86").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Glen Carbon, PA
- Average snowfall days in January: 5.8 days
The month with the highest number of snowfall days is February (6.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Glen Carbon, PA
- Average daylight in January: 9h and 42min
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 18min).
- Average sunshine in January: 4h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 24min).
Average sunshine days in January
Glen Carbon, PA
- Average sunshine days in January: 20.4 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in January
Glen Carbon, PA
- Average UV index in January: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in January
Glen Carbon, PA
- Average cloud cover in January: 51
The months with the most cloud cover are February and December (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in January
Glen Carbon, PA
- Average visibility in January: 6mi
The months with the highest visibility are January, March, April, June, November and December (6mi).
The months with the lowest visibility are February, May, July, August, September and October (5mi).
