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, marked by an average high-temperature of 21.6°F (-5.8°C) and a low-temperature of 8.1°F (-13.3°C), is the coldest month.Humidity
The months with the highest humidity in Rockland are January and February, with an average relative humidity of 90%.Rainfall
The month with the least rainfall in Rockland is January, when the rain falls for 4.8 days and typically collects 1.1" (28mm) of precipitation.Snowfall
Months with snowfall in Rockland are January through May, October through December. In Rockland, in January, snow falls for 15.5 days, with typically accumulated 5.2" (132mm) of snow. Throughout the year, in Rockland, there are 67.6 snowfall days, and 26.34" (669mm) of snow is accumulated.Daylight
In Rockland, the average length of the day in January is 9h and 21min.On the first day of January, sunrise is at 7:37 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 5:12 pm CST.
Sunshine
With an average of 3h of sunshine, January has the least sunshine of the year in Rockland.UV index
The months with the lowest UV index in Rockland are January, February, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In January, a regular UV index of 1 translates into these guidelines:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Experience reduced UV exposure by about half when donning a wide-brim hat. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months in Rockland?
How cold is it in Rockland in January?
What is the most humid month in Rockland?
What is the average humidity in January in Rockland?
What is the driest month in Rockland?
How many days does it rain in January in Rockland?
How much does it snow in Rockland in January?
What is the average length of the day in January in Rockland?
When are sunrise and sunset in January in Rockland?
What is the month with the least sunshine in Rockland?
How many hours of sunshine does Rockland have in January?
What are the months with the lowest UV index in Rockland?
What is the UV index intensity in January in Rockland?
Average temperature in January
Rockland, WI
- Average high temperature in January: 21.6°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (21.6°F).
- Average low temperature in January: 8.1°F
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (8.1°F).
Average pressure in January
Rockland, 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 (29.89"Hg).
Average wind speed in January
Rockland, WI
- Average wind speed in January: 8.6mph
The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in January
Rockland, WI
- Average humidity in January: 90%
The months with the highest relative humidity are January and February (90%).
The months with the lowest relative humidity are April and October (77%).
Average rainfall in January
Rockland, WI
- Average rainfall in January: 1.1"
The wettest month (with the highest rainfall) is June (4.57").
The driest month (with the least rainfall) is January (1.1").
Average rainfall days in January
Rockland, WI
- Average rainfall days in January: 4.8 days
The month with the highest number of rainy days is June (18.8 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in January
Rockland, WI
- Average snowfall in January: 5.2"
The month with the highest snowfall is February (6.85").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Rockland, WI
- Average snowfall days in January: 15.5 days
The month with the highest number of snowfall days is January (15.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Rockland, 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 0min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in January
Rockland, WI
- Average sunshine days in January: 12.9 days
The month with the most sunshine days is October (15.6 days).
The month with the least sunshine days is June (8.4 days).
Average UV index in January
Rockland, WI
- Average UV index in January: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in January
Rockland, 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 34).
Average visibility in January
Rockland, WI
- Average visibility in January: 4mi
The months with the highest visibility are April, May, June, October and November (6mi).
The months with the lowest visibility are January and February (4mi).
Rockland, Wisconsin, USA
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