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
Greenleaf's coldest weather arrives in January, when temperatures average a high of 22.5°F (-5.3°C) and a low of 11.8°F (-11.2°C).Humidity
The months with the highest humidity are January and February, with an average relative humidity of 88%.Rainfall
January is the month with the least rainfall. Rain falls for 4.3 days and accumulates 0.98" (25mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Greenleaf, during January, snow falls for 11.9 days and regularly aggregates up to 3.62" (92mm) of snow. Throughout the year, there are 48.7 snowfall days, and 17.68" (449mm) of snow is accumulated.Daylight
In January, the average length of the day is 9h and 19min.On the first day of the month, sunrise is at 7:28 am and sunset at 4:23 pm. On the last day of January, sunrise is at 7:11 am and sunset at 4:59 pm CST.
Sunshine
The months with the least sunshine are January and February, with an average of 3.5h 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 low threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: An average UV index of 1 in January transforms into this advice:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
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 in Greenleaf?
What is the average humidity in January?
What is the driest month?
How many days does it rain in January?
How many days does it snow in January?
How many hours of daylight does Greenleaf have in January?
What time are sunrise and sunset in January?
What are the months with the least sunshine?
How long on average sun shines in January?
When is the lowest UV index in Greenleaf?
What is the UV index reading in January?
Average temperature in January
Greenleaf, WI
- Average high temperature in January: 22.5°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 (22.5°F).
- Average low temperature in January: 11.8°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (11.8°F).
Average pressure in January
Greenleaf, WI
- Average pressure in January: 30.08"Hg
The months with the highest atmospheric pressure are February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in January
Greenleaf, WI
- Average wind speed in January: 10.1mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in January
Greenleaf, 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 (76%).
Average rainfall in January
Greenleaf, WI
- Average rainfall in January: 0.98"
The wettest month (with the highest rainfall) is May (3.46").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days in January
Greenleaf, WI
- Average rainfall days in January: 4.3 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is February (3.7 days).
Average snowfall in January
Greenleaf, WI
- Average snowfall in January: 3.62"
The month with the highest snowfall is December (4.09").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Greenleaf, WI
- Average snowfall days in January: 11.9 days
The month with the highest number of snowfall days is January (11.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Greenleaf, 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 3min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The months with the least sunshine are January and February (Average sunshine: 3h and 30min).
Average sunshine days in January
Greenleaf, WI
- Average sunshine days in January: 16.3 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is July (10.7 days).
Average UV index in January
Greenleaf, 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
Greenleaf, 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 31).
Average visibility in January
Greenleaf, WI
- Average visibility in January: 5mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Greenleaf, Wisconsin, USA
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