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, on average, is the coldest month, registering a high temperature of 22.6°F (-5.2°C) and a low of 10.6°F (-11.9°C).Humidity
January is the most humid month, with an average relative humidity of 89%.Rainfall
January is the month with the least rainfall. Rain falls for 3.8 days and accumulates 0.51" (13mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Sauk City, in January, during 13.2 snowfall days, 2.52" (64mm) of snow is typically accumulated. In Sauk City, during the entire year, snow falls for 50.5 days and aggregates up to 11.69" (297mm) of snow.Daylight
In January, the average length of the day is 9h and 25min.On the first day of the month, sunrise is at 7:30 am and sunset at 4:33 pm. On the last day of January, sunrise is at 7:15 am and sunset at 5:08 pm CST.
Sunshine
With an average of 3.3h of sunshine, January has the least sunshine of the year.UV index
The months with the lowest UV index are January, November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index of 1 during January leads to these instructions:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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?
What is the driest month?
How much does it rain in January?
How many days does it snow in January?
What is the average length of the day in January?
When are sunrise and sunset in January in Sauk City?
What is the month with the least sunshine?
How many hours of sunshine does Sauk City have in January?
What are the months with the lowest UV index in Sauk City?
What is the UV index reading in January?
Average temperature in January
Sauk City, WI
- Average high temperature in January: 22.6°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (22.6°F).
- Average low temperature in January: 10.6°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 (10.6°F).
Average pressure in January
Sauk City, WI
- Average pressure in January: 30.11"Hg
The months with the highest atmospheric pressure are January and February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in January
Sauk City, WI
- Average wind speed in January: 9.5mph
The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in January
Sauk City, WI
- Average humidity in January: 89%
The month with the highest relative humidity is January (89%).
The months with the lowest relative humidity are April and October (77%).
Average rainfall in January
Sauk City, WI
- Average rainfall in January: 0.51"
The wettest month (with the highest rainfall) is June (2.48").
The driest month (with the least rainfall) is January (0.51").
Average rainfall days in January
Sauk City, WI
- Average rainfall days in January: 3.8 days
The month with the highest number of rainy days is June (16.8 days).
The month with the least rainy days is February (3.1 days).
Average snowfall in January
Sauk City, WI
- Average snowfall in January: 2.52"
The month with the highest snowfall is February (2.8").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Sauk City, WI
- Average snowfall days in January: 13.2 days
The month with the highest number of snowfall days is January (13.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Sauk City, 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 0min).
- Average sunshine in January: 3h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in January
Sauk City, WI
- Average sunshine days in January: 16.8 days
The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is June (9.9 days).
Average UV index in January
Sauk City, 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, November and December (UV index 1).
Average cloud cover in January
Sauk City, WI
- Average cloud cover in January: 66
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in January
Sauk City, WI
- Average visibility in January: 5mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
Sauk City, Wisconsin, USA
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