January weather forecastGrove City, PA
January
Weather in January
January, the same as December, in Grove City, Pennsylvania, is another subzero cold winter month, with an average temperature fluctuating between 18.3°F (-7.6°C) and 30.7°F (-0.7°C).Temperature
Temperature records mark January as the coldest month, with highs averaging 30.7°F (-0.7°C) and lows at 18.3°F (-7.6°C).Humidity
The months with the highest humidity are January and February, with an average relative humidity of 88%.Rainfall
In Grove City, during January, the rain falls for 8.3 days and regularly aggregates up to 2.83" (72mm) of precipitation. Throughout the year, there are 180.3 rainfall days, and 35.39" (899mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. The month with the most snowfall is January, when snow falls for 20.2 days and typically aggregates up to 9.33" (237mm) of snow.Daylight
The average length of the day in January is 9h and 37min.On the first day of January, sunrise is at 7:45 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 5:35 pm EST.
Sunshine
The month with the least sunshine is January, with an average of 2.4h of sunshine.UV index
The average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: The daily high UV index of 2 in January translates into this advice:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. During bright days, sunglasses that offer UVA and UVB defense are recommended. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Grove City, PA
- Average high temperature in January: 30.7°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (30.7°F).
- Average low temperature in January: 18.3°F
The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in January
Grove City, PA
- Average pressure in January: 30.1"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
Grove City, PA
- Average wind speed in January: 8.3mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in January
Grove City, PA
- Average humidity in January: 88%
The months with the highest relative humidity are January and February (88%).
The months with the lowest relative humidity are April, May, June, July and August (79%).
Average rainfall in January
Grove City, PA
- Average rainfall in January: 2.83"
The wettest month (with the highest rainfall) is April (3.66").
The driest month (with the least rainfall) is November (2.28").
Average rainfall days in January
Grove City, PA
- Average rainfall days in January: 8.3 days
The month with the highest number of rainy days is May (19.5 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in January
Grove City, PA
- Average snowfall in January: 9.33"
The month with the highest snowfall is January (9.33").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Grove City, PA
- Average snowfall days in January: 20.2 days
The month with the highest number of snowfall days is January (20.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Grove City, 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 18min).
- Average sunshine in January: 2h and 24min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days in January
Grove City, PA
- Average sunshine days in January: 7.1 days
The month with the most sunshine days is November (12.8 days).
The month with the least sunshine days is February (5.8 days).
Average UV index in January
Grove City, 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
Grove City, PA
- Average cloud cover in January: 75
The month with the most cloud cover is January (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility in January
Grove City, PA
- Average visibility in January: 4mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February and December (4mi).





