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
The lowest temperatures are recorded in January, with averages reaching a high of 26.1°F (-3.3°C) and a low of 16°F (-8.9°C).Humidity
The most humid month in Greendale is January, with an average relative humidity of 85%.Rainfall
In January, in Greendale, the rain falls for 3.7 days. Throughout January, 0.94" (24mm) of precipitation is accumulated. In Greendale, during the entire year, the rain falls for 129 days and collects up to 20.35" (517mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Greendale, Wisconsin. The month with the most snowfall is January, when snow falls for 13 days and typically aggregates up to 3.23" (82mm) of snow.Daylight
The average length of the day in January is 9h and 27min.On the first day of the month, sunrise is at 7:22 am and sunset at 4:27 pm. On the last day of January, in Greendale, sunrise is at 7:07 am and sunset at 5:02 pm CST.
Sunshine
The month with the least sunshine is January, with an average of 3.6h of sunshine.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: In January, a daily UV index of 1 turns into the following recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. To cut down UV radiation exposure by about half, sport a wide-brim hat. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year in Greendale?
How cold is it in Greendale in January?
What is the most humid month in Greendale?
What is the average humidity in January in Greendale?
How many days does it rain in January in Greendale?
When does it snow the most in Greendale?
How many days does it snow in January in Greendale?
How many hours of daylight does Greendale have in January?
When is the sunrise / sunset in January in Greendale?
What is the month with the least sunshine in Greendale?
How long on average sun shines in January in Greendale?
What are the months with the lowest UV index in Greendale?
What is the UV index reading in January in Greendale?
Average temperature in January
Greendale, WI
- Average high temperature in January: 26.1°F
The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (26.1°F).
- Average low temperature in January: 16°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (16°F).
Average pressure in January
Greendale, WI
- Average pressure in January: 30.1"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in January
Greendale, WI
- Average wind speed in January: 11.1mph
The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in January
Greendale, WI
- Average humidity in January: 85%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (75%).
Average rainfall in January
Greendale, WI
- Average rainfall in January: 0.94"
The wettest month (with the highest rainfall) is July (2.6").
The driest month (with the least rainfall) is December (0.79").
Average rainfall days in January
Greendale, WI
- Average rainfall days in January: 3.7 days
The month with the highest number of rainy days is July (16.7 days).
The month with the least rainy days is February (3.2 days).
Average snowfall in January
Greendale, WI
- Average snowfall in January: 3.23"
The month with the highest snowfall is January (3.23").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Greendale, WI
- Average snowfall days in January: 13 days
The month with the highest number of snowfall days is January (13 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Greendale, WI
- Average daylight in January: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January: 3h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in January
Greendale, WI
- Average sunshine days in January: 14.8 days
The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is July (11.4 days).
Average UV index in January
Greendale, WI
- Average UV index in January: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in January
Greendale, WI
- Average cloud cover in January: 63
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 29).
Average visibility in January
Greendale, WI
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Greendale, Wisconsin, USA
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