January weather forecast
Grove City, PA

Share

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.
Updated: Aug 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months?

With an average high-temperature of 30.7°F (-0.7°C) and an average low-temperature of 18.3°F (-7.6°C), January is the coldest month.

How cold is January?

The high-temperature, in January, in Grove City, is 30.7°F (-0.7°C), while the low-temperature averages to 18.3°F (-7.6°C).

What are the most humid months?

The months with the highest humidity are January and February, with an average relative humidity of 88%.

What is the average humidity in January?

The average relative humidity in January is 88%.

How many days does it rain in January?

In Grove City, in January, it is raining for 8.3 days, with typically 2.83" (72mm) of accumulated precipitation.

When does it snow the most?

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.

How many days does it snow in January?

In January, it is snowing for 20.2 days. Throughout January, 9.33" (237mm) of snow is accumulated.

What is the average length of the day in January?

In January, the average day length is 9h and 37min.

When are sunrise and sunset in January?

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.

What is the month with the least sunshine?

The month with the least sunshine is January, with an average of 2.4h of sunshine.

How long on average sun shines in January?

In Grove City, the average sunshine duration in January is 2.4h.

What is the UV index reading in January?

In Grove City, the average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Grove City, PA

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / Average sunshine in January - Grove City, PA
  • Average daylight in January: 9h and 4min

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 2min

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 - 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 - 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 - 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 - 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).

Grove City, Pennsylvania, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location