Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
January, having an average high-temperature of 28.8°F (-1.8°C) and an average low-temperature of 17.4°F (-8.1°C), is the coldest month.Humidity
In Grover, the average relative humidity in January is 83%.Rainfall
The months with the least rainfall are January and November Rain falls for 8.7 days and accumulates 1.77" (45mm) of rain.Snowfall
Months with snowfall are January through May, October through December. In January, it is snowing for 18.3 days. Throughout January, 6.06" (154mm) of snow is accumulated. In Grover, during the entire year, snow falls for 74.9 days and aggregates up to 30.08" (764mm) of snow.Daylight
The average length of the day in January is 9h and 34min.On the first day of the month, sunrise is at 7:34 am and sunset at 4:47 pm. On the last day of January, sunrise is at 7:20 am and sunset at 5:21 pm EST.
Sunshine
The average sunshine in January is 3.3h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: An average maximum UV index of 1 in January leads to these recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. 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
What is the coldest time of year?
How cold is January?
What is the average humidity in January?
What is the driest month?
How many days does it rain in January?
How much does it snow in January?
How many hours of daylight does Grover have in January?
What time are sunrise and sunset in January?
How many hours of sunshine does Grover have in January?
What are the months with the lowest UV index in Grover?
How high is the UV index in January?
Average temperature in January
Grover, PA
- Average high temperature in January: 28.8°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in January: 17.4°F
The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).
Average pressure in January
Grover, 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
Grover, PA
- Average wind speed in January: 8.6mph
The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in January
Grover, PA
- Average humidity in January: 83%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is July (78%).
Average rainfall in January
Grover, PA
- Average rainfall in January: 1.77"
The wettest months (with the highest rainfall) are April and July (2.91").
The driest months (with the least rainfall) are January and November (1.77").
Average rainfall days in January
Grover, PA
- Average rainfall days in January: 8.7 days
The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is February (8.6 days).
Average snowfall in January
Grover, PA
- Average snowfall in January: 6.06"
The month with the highest snowfall is February (7.2").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Grover, PA
- Average snowfall days in January: 18.3 days
The month with the highest number of snowfall days is January (18.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Grover, 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 12min).
- Average sunshine in January: 3h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The months with the least sunshine are February and December (Average sunshine: 3h and 12min).
Average sunshine days in January
Grover, PA
- Average sunshine days in January: 9.6 days
The month with the most sunshine days is September (14 days).
The month with the least sunshine days is February (7.7 days).
Average UV index in January
Grover, PA
- Average UV index in January: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in January
Grover, PA
- Average cloud cover in January: 67
The months with the most cloud cover are January, February and December (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 39).
Average visibility in January
Grover, PA
- Average visibility in January: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
Grover, Pennsylvania, USA
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