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
In Greenville, the lowest average temperatures are observed in January, with a high of 30.6°F (-0.8°C) and a low of 18.1°F (-7.7°C).Humidity
In Greenville, the average relative humidity in January is 88%.Rainfall
In Greenville, during January, the rain falls for 8 days and regularly aggregates up to 1.89" (48mm) of precipitation. Throughout the year, there are 167.1 rainfall days, and 24.25" (616mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. January is the month with the most snowfall in Greenville. Snow falls for 19.9 days and accumulates 6.38" (162mm) of snow.Daylight
In Greenville, the average length of the day in January is 9h and 35min.On the first day of January, sunrise is at 7:47 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 5:35 pm EST.
Sunshine
January has the least sunshine of the year, with an average of 2.4h of sunshine.UV index
In Greenville, 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 unsafe exposure to UV radiation for ordinary individuals.Note: A maximum daily UV index of 2 during January morphs into the following directions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
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?
How many days does it rain in January?
What is the snowiest month in Greenville?
How many days does it snow in January?
How many hours of daylight does Greenville have in January?
What time are sunrise and sunset in January?
What is the month with the least sunshine?
How long on average sun shines in January?
What is the UV index reading in January?
Average temperature in January
Greenville, PA
- Average high temperature in January: 30.6°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 (30.6°F).
- Average low temperature in January: 18.1°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).
Average pressure in January
Greenville, PA
- Average pressure in January: 30.09"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in January
Greenville, PA
- Average wind speed in January: 8.1mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is July (5.1mph).
Average humidity in January
Greenville, PA
- Average humidity in January: 88%
The month with the highest relative humidity is February (89%).
The months with the lowest relative humidity are May, June and July (79%).
Average rainfall in January
Greenville, PA
- Average rainfall in January: 1.89"
The wettest month (with the highest rainfall) is October (2.52").
The driest month (with the least rainfall) is September (1.57").
Average rainfall days in January
Greenville, PA
- Average rainfall days in January: 8 days
The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is January (8 days).
Average snowfall in January
Greenville, PA
- Average snowfall in January: 6.38"
The month with the highest snowfall is January (6.38").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Greenville, PA
- Average snowfall days in January: 19.9 days
The month with the highest number of snowfall days is January (19.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Greenville, 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: 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
Greenville, PA
- Average sunshine days in January: 7.2 days
The month with the most sunshine days is August (12.6 days).
The month with the least sunshine days is February (6.3 days).
Average UV index in January
Greenville, PA
- Average UV index in January: 2
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in January
Greenville, PA
- Average cloud cover in January: 76
The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in January
Greenville, 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).
Greenville, Pennsylvania, USA
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