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 coldest period is January, when temperatures fluctuate between an average high of 22.1°F (-5.5°C) and a low of 9.3°F (-12.6°C).Humidity
January is the most humid month, with an average relative humidity of 91%.Rainfall
The month with the least rainfall is January, when the rain falls for 3.5 days and typically collects 1.1" (28mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Viola, in January, during 13 snowfall days, 5.47" (139mm) of snow is typically accumulated. In Viola, during the entire year, snow falls for 54.2 days and aggregates up to 24.65" (626mm) of snow.Daylight
The average length of the day in January is 9h and 23min.On the first day of January, sunrise is at 7:35 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 5:12 pm CST.
Sunshine
January has the least sunshine of the year, with an average of 3.1h of sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The daily high UV index of 1 during January translates into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month?
How cold is it in January?
What is the most humid month?
What is the average humidity in January in Viola?
What is the driest month?
How many days does it rain in January?
How many days does it snow in January?
What is the average length of the day in January?
What time are sunrise and sunset in January?
What is the month with the least sunshine?
How long on average sun shines in January?
When is the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Viola, WI
- Average high temperature in January: 22.1°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (22.1°F).
- Average low temperature in January: 9.3°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 (9.3°F).
Average pressure in January
Viola, WI
- Average pressure in January: 30.12"Hg
The months with the highest atmospheric pressure are January and February (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in January
Viola, WI
- Average wind speed in January: 9mph
The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in January
Viola, WI
- Average humidity in January: 91%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is April (77%).
Average rainfall in January
Viola, WI
- Average rainfall in January: 1.1"
The wettest month (with the highest rainfall) is June (4.8").
The driest month (with the least rainfall) is January (1.1").
Average rainfall days in January
Viola, WI
- Average rainfall days in January: 3.5 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is February (3.1 days).
Average snowfall in January
Viola, WI
- Average snowfall in January: 5.47"
The month with the highest snowfall is February (6.38").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Viola, 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
Viola, WI
- Average daylight in January: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January: 3h and 1min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in January
Viola, WI
- Average sunshine days in January: 16.5 days
The month with the most sunshine days is December (17.4 days).
The month with the least sunshine days is June (9.8 days).
Average UV index in January
Viola, 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, February, November and December (UV index 1).
Average cloud cover in January
Viola, WI
- Average cloud cover in January: 68
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in January
Viola, WI
- Average visibility in January: 4mi
The months with the highest visibility are April, May, October and November (6mi).
The month with the lowest visibility is January (4mi).
Viola, Wisconsin, USA
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