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 when Casco, Wisconsin, sees the lowest average temperatures, with a high of 25°F (-3.9°C) and a low of 16.5°F (-8.6°C).Humidity
With an average relative humidity of 85%, January is the most humid month.Rainfall
In Casco, during January, the rain falls for 4.2 days and regularly aggregates up to 1.42" (36mm) of precipitation. In Casco, during the entire year, the rain falls for 132.6 days and collects up to 25.55" (649mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Casco, during January, snow falls for 14.7 days and regularly aggregates up to 4.13" (105mm) of snow. In Casco, during the entire year, snow falls for 59.4 days and aggregates up to 18.94" (481mm) of snow.Daylight
In Casco, Wisconsin, the average length of the day in January is 9h and 17min.On the first day of the month, sunrise is at 7:27 am and sunset at 4:20 pm. On the last day of January, sunrise is at 7:10 am and sunset at 4:57 pm CST.
Sunshine
January and February, with an average of 3.2h of sunshine, are months with the least sunshine.UV index
January 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 vulnerability from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index of 1 during January leads to these instructions:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest?
How cold is it in January?
What is the most humid month?
What is the average humidity in January?
How much does it rain in January?
How many days does it snow in January?
How many hours of daylight does Casco have 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?
What are the months with the lowest UV index in Casco?
How high is the UV index in January?
Average temperature in January
Casco, WI
- Average high temperature in January: 25°F
The warmest month (with the highest average high temperature) is July (76.1°F).
The month with the lowest average high temperature is January (25°F).
- Average low temperature in January: 16.5°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).
Average pressure in January
Casco, WI
- Average pressure in January: 30.06"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in January
Casco, WI
- Average wind speed in January: 12.4mph
The windiest month (with the highest average wind speed) is January (12.4mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).
Average humidity in January
Casco, WI
- Average humidity in January: 85%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are April and May (76%).
Average rainfall in January
Casco, WI
- Average rainfall in January: 1.42"
The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is February (1.38").
Average rainfall days in January
Casco, WI
- Average rainfall days in January: 4.2 days
The month with the highest number of rainy days is May (15.3 days).
The months with the least rainy days are January and February (4.2 days).
Average snowfall in January
Casco, WI
- Average snowfall in January: 4.13"
The month with the highest snowfall is February (4.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Casco, WI
- Average snowfall days in January: 14.7 days
The month with the highest number of snowfall days is January (14.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Casco, 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 1min
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 12min).
Average sunshine days in January
Casco, WI
- Average sunshine days in January: 11.8 days
The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is February (11 days).
Average UV index in January
Casco, 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
Casco, WI
- Average cloud cover in January: 69
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in January
Casco, 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).
Casco, Wisconsin, USA
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