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 is the month that records the lowest temperatures, with averages ranging from a high of 21.9°F (-5.6°C) to a low of 10.8°F (-11.8°C).Humidity
January and February, with an average relative humidity of 88%, are the most humid months in Greenville.Rainfall
In January, the rain falls for 3.9 days. Throughout January, 1.14" (29mm) of precipitation is accumulated. Throughout the year, there are 131.1 rainfall days, and 24.45" (621mm) 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 14.2 days and typically aggregates up to 5.79" (147mm) of snow.Daylight
In Greenville, the average length of the day in January is 9h and 19min.On the first day of January, sunrise is at 7:29 am and sunset at 4:25 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 5:01 pm CST.
Sunshine
January has the least sunshine of the year, with an average of 3.4h of sunshine.UV index
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In January, the average maximum UV index of 1 translates into the following recommendations:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Frequently asked questions
What part of the year is the coldest in Greenville?
How cold is January in Greenville?
What are the most humid months in Greenville?
What is the average humidity in January in Greenville?
How much does it rain in Greenville in January?
When does it snow the most in Greenville?
How many days does it snow in January in Greenville?
What is the average length of the day in January in Greenville?
What time are sunrise and sunset in January in Greenville?
What is the month with the least sunshine in Greenville?
How many hours of sunshine does Greenville have in January?
What are the months with the lowest UV index in Greenville?
What is the UV index reading in January in Greenville?
Average temperature in January
Greenville, WI
- Average high temperature in January: 21.9°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (21.9°F).
- Average low temperature in January: 10.8°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in January
Greenville, WI
- Average pressure in January: 30.09"Hg
The months with the highest atmospheric pressure are January, February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in January
Greenville, WI
- Average wind speed in January: 9.8mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in January
Greenville, WI
- Average humidity in January: 88%
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is April (75%).
Average rainfall in January
Greenville, WI
- Average rainfall in January: 1.14"
The wettest month (with the highest rainfall) is May (3.54").
The driest month (with the least rainfall) is February (1.06").
Average rainfall days in January
Greenville, WI
- Average rainfall days in January: 3.9 days
The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (3.9 days).
Average snowfall in January
Greenville, WI
- Average snowfall in January: 5.79"
The month with the highest snowfall is January (5.79").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Greenville, WI
- Average snowfall days in January: 14.2 days
The month with the highest number of snowfall days is January (14.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Greenville, WI
- Average daylight in January: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in January: 3h and 2min
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 24min).
Average sunshine days in January
Greenville, WI
- Average sunshine days in January: 15.1 days
The month with the most sunshine days is September (16.4 days).
The month with the least sunshine days is April (11.8 days).
Average UV index in January
Greenville, WI
- 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, November and December (UV index 1).
Average cloud cover in January
Greenville, WI
- 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 July (Cloud cover 32).
Average visibility in January
Greenville, WI
- Average visibility in January: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
Greenville, Wisconsin, USA
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