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 temperatures occur during January, when averages reach a peak of 21.6°F (-5.8°C) and a low of 9°F (-12.8°C).Humidity
The most humid month is January, with an average relative humidity of 91%.Rainfall
January is the month with the least rainfall. Rain falls for 4 days and accumulates 1.06" (27mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Rockton, Wisconsin, in January, snow falls for 13.6 days, with typically accumulated 5.2" (132mm) of snow. Throughout the year, there are 60.1 snowfall days, and 25.24" (641mm) of snow is accumulated.Daylight
In January, the average length of the day is 9h and 23min.On the first day of the month, sunrise is at 7:35 am and sunset at 4:35 pm. On the last day of January, sunrise is at 7:20 am and sunset at 5:11 pm CST.
Sunshine
The month with the least sunshine is January, with an average of 3.1h of sunshine.UV index
January, February, November 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 vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum UV index of 1 in January translates into the following recommendations:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. To protect against the Sun's most potent rays, avoid direct exposure around midday. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months in Rockton?
How cold is January?
What is the most humid month?
What is the average humidity in January?
What is the driest month in Rockton?
How much does it rain in Rockton in January?
How much does it snow in January?
What is the average length of the day in January in Rockton?
When are sunrise and sunset in January in Rockton?
What is the month with the least sunshine in Rockton?
How many hours of sunshine does Rockton have in January?
What are the months with the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Rockton, WI
- Average high temperature in January: 21.6°F
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (21.6°F).
- Average low temperature in January: 9°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°F).
Average pressure in January
Rockton, 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
Rockton, WI
- Average wind speed in January: 8.9mph
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
Rockton, WI
- Average humidity in January: 91%
The month with the highest relative humidity is January (91%).
The months with the lowest relative humidity are April and October (78%).
Average rainfall in January
Rockton, WI
- Average rainfall in January: 1.06"
The wettest month (with the highest rainfall) is June (4.88").
The driest month (with the least rainfall) is January (1.06").
Average rainfall days in January
Rockton, WI
- Average rainfall days in January: 4 days
The month with the highest number of rainy days is June (18.5 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in January
Rockton, WI
- Average snowfall in January: 5.2"
The month with the highest snowfall is February (6.22").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Rockton, WI
- Average snowfall days in January: 13.6 days
The months with the highest number of snowfall days are January and February (13.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Rockton, 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 month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in January
Rockton, WI
- Average sunshine days in January: 15 days
The month with the most sunshine days is November (18.1 days).
The month with the least sunshine days is June (9.3 days).
Average UV index in January
Rockton, 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
Rockton, 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
Rockton, WI
- Average visibility in January: 4mi
The months with the highest visibility are April, May, June, October and November (6mi).
The month with the lowest visibility is January (4mi).
Rockton, Wisconsin, USA
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