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
South Milwaukee's coldest weather arrives in January, when temperatures average a high of 27°F (-2.8°C) and a low of 18°F (-7.8°C).Humidity
The most humid month is January, with an average relative humidity of 84%.Rainfall
In South Milwaukee, in January, during 5.5 rainfall days, 0.87" (22mm) of precipitation is typically accumulated. In South Milwaukee, Wisconsin, during the entire year, the rain falls for 131.9 days and collects up to 18.54" (471mm) of precipitation.Snowfall
Months with snowfall in South Milwaukee, Wisconsin, are January through April, October through December. The month with the most snowfall in South Milwaukee is January, when snow falls for 13.5 days and typically aggregates up to 2.01" (51mm) of snow.Daylight
In South Milwaukee, 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, sunrise is at 7:07 am and sunset at 5:02 pm CST.
Sunshine
With an average of 3.6h of sunshine, January has the least sunshine of the year.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: The maximum UV index of 1 during January leads to these instructions:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Frequently asked questions
What is the coldest time of year in South Milwaukee?
How cold is it in South Milwaukee in January?
What is the most humid month in South Milwaukee?
What is the average humidity in January in South Milwaukee?
How much does it rain in South Milwaukee in January?
What is the snowiest month in South Milwaukee?
How many days does it snow in January in South Milwaukee?
What is the average length of the day in January in South Milwaukee?
When is the sunrise / sunset in January in South Milwaukee?
What is the month with the least sunshine in South Milwaukee?
How many hours of sunshine does South Milwaukee have in January?
What is the month with the lowest UV index in South Milwaukee?
What is the UV index reading in January in South Milwaukee?
Average temperature in January
South Milwaukee, WI
- Average high temperature in January: 27°F
The warmest month (with the highest average high temperature) is July (75.9°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in January: 18°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in January
South Milwaukee, 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 (29.92"Hg).
Average wind speed in January
South Milwaukee, WI
- Average wind speed in January: 12.6mph
The windiest month (with the highest average wind speed) is January (12.6mph).
The calmest month (with the lowest average wind speed) is July (7.7mph).
Average humidity in January
South Milwaukee, WI
- Average humidity in January: 84%
The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in January
South Milwaukee, WI
- Average rainfall in January: 0.87"
The wettest month (with the highest rainfall) is July (2.4").
The driest month (with the least rainfall) is February (0.75").
Average rainfall days in January
South Milwaukee, WI
- Average rainfall days in January: 5.5 days
The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in January
South Milwaukee, WI
- Average snowfall in January: 2.01"
The month with the highest snowfall is January (2.01").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
South Milwaukee, WI
- Average snowfall days in January: 13.5 days
The month with the highest number of snowfall days is January (13.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
South Milwaukee, 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 July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in January
South Milwaukee, WI
- Average sunshine days in January: 13.9 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is July (11.6 days).
Average UV index in January
South Milwaukee, 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
South Milwaukee, 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 27).
Average visibility in January
South Milwaukee, 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).
South Milwaukee, Wisconsin, USA
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