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, January is the coldest month, with temperatures averaging a high of 32.2°F (0.1°C) and a low of 20.1°F (-6.6°C).Humidity
January is the most humid month, with an average relative humidity of 84%.Rainfall
In January, the rain falls for 7.3 days. Throughout January, 1.22" (31mm) of precipitation is accumulated. Throughout the year, there are 145.2 rainfall days, and 19.21" (488mm) of precipitation is accumulated.Snowfall
Months with snowfall in Greenville are January through April, October through December. In Greenville, in January, during 10.5 snowfall days, 1.5" (38mm) of snow is typically accumulated. Throughout the year, there are 35.1 snowfall days, and 6.34" (161mm) of snow is accumulated.Daylight
In January, the average length of the day in Greenville is 9h and 43min.On the first day of January, sunrise is at 8:00 am and sunset at 5:23 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 5:55 pm EST.
Sunshine
January has the least sunshine of the year, with an average of 3.6h of sunshine.UV index
The average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the average person.Note: A typical high UV index of 2 in January suggests the following recommendations:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest?
How cold is it in January?
What is the most humid month?
What is the average humidity in January?
How many days does it rain in January?
How much does it snow in Greenville in January?
How many hours of daylight does Greenville have in January?
When are sunrise and sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does Greenville have in January?
What is the UV index intensity in January?
Average temperature in January
Greenville, OH
- Average high temperature in January: 32.2°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (32.2°F).
- Average low temperature in January: 20.1°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in January
Greenville, OH
- Average pressure in January: 30.13"Hg
The months with the highest atmospheric pressure are January and November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Greenville, OH
- Average wind speed in January: 10.6mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).
Average humidity in January
Greenville, OH
- Average humidity in January: 84%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (75%).
Average rainfall in January
Greenville, OH
- Average rainfall in January: 1.22"
The wettest month (with the highest rainfall) is May (2.72").
The driest month (with the least rainfall) is February (0.98").
Average rainfall days in January
Greenville, OH
- Average rainfall days in January: 7.3 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is February (7.1 days).
Average snowfall in January
Greenville, OH
- Average snowfall in January: 1.5"
The month with the highest snowfall is February (1.54").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Greenville, OH
- Average snowfall days in January: 10.5 days
The month with the highest number of snowfall days is January (10.5 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, OH
- Average daylight in January: 9h and 4min
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 24min).
- Average sunshine in January: 3h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in January
Greenville, OH
- Average sunshine days in January: 15.2 days
The month with the most sunshine days is November (19.2 days).
The month with the least sunshine days is May (10.4 days).
Average UV index in January
Greenville, OH
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in January
Greenville, OH
- Average cloud cover in January: 63
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in January
Greenville, OH
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (6mi).
The month with the lowest visibility is September (5mi).
Greenville, Ohio, USA
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