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 40.5°F (4.7°C) and a low of 27.5°F (-2.5°C).Humidity
In January, the average relative humidity is 76%.Rainfall
In Rosiclare, in January, it is raining for 9.1 days, with typically 1.57" (40mm) of accumulated precipitation. Throughout the year, in Rosiclare, there are 148.8 rainfall days, and 27.05" (687mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In Rosiclare, in January, snow falls for 4.5 days, with typically accumulated 1.06" (27mm) of snow. Throughout the year, in Rosiclare, there are 15 snowfall days, and 4.8" (122mm) of snow is accumulated.Daylight
In Rosiclare, the average length of the day in January is 9h and 56min.On the first day of the month, sunrise is at 7:07 am and sunset at 4:45 pm. On the last day of January, sunrise is at 6:57 am and sunset at 5:15 pm CST.
Sunshine
The months with the least sunshine in Rosiclare are January and February, with an average of 4.6h of sunshine.UV index
The months with the lowest UV index in Rosiclare are January, February and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: An average maximum UV index of 2 in January leads to these recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest in Rosiclare?
How cold is January in Rosiclare?
What is the average humidity in January in Rosiclare?
How much does it rain in Rosiclare in January?
How much does it snow in Rosiclare in January?
What is the average length of the day in January in Rosiclare?
What time are sunrise and sunset in January in Rosiclare?
What is the month with the least sunshine in Rosiclare?
How many hours of sunshine does Rosiclare have in January?
When is the lowest UV index in Rosiclare?
What is the UV index reading in January in Rosiclare?
Average temperature in January
Rosiclare, IL
- Average high temperature in January: 40.5°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (40.5°F).
- Average low temperature in January: 27.5°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (27.5°F).
Average pressure in January
Rosiclare, IL
- Average pressure in January: 30.16"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in January
Rosiclare, IL
- Average wind speed in January: 9.4mph
The windiest month (with the highest average wind speed) is February (9.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in January
Rosiclare, IL
- Average humidity in January: 76%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in January
Rosiclare, IL
- Average rainfall in January: 1.57"
The wettest month (with the highest rainfall) is February (3.03").
The driest month (with the least rainfall) is September (1.3").
Average rainfall days in January
Rosiclare, IL
- Average rainfall days in January: 9.1 days
The months with the highest number of rainy days are May and July (16.3 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in January
Rosiclare, IL
- Average snowfall in January: 1.06"
The month with the highest snowfall is February (1.57").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Rosiclare, IL
- Average snowfall days in January: 4.5 days
The month with the highest number of snowfall days is January (4.5 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
Rosiclare, IL
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January: 4h and 4min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).
Average sunshine days in January
Rosiclare, IL
- Average sunshine days in January: 17.7 days
The month with the most sunshine days is October (20.3 days).
The month with the least sunshine days is July (12.1 days).
Average UV index in January
Rosiclare, IL
- Average UV index in January: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in January
Rosiclare, IL
- Average cloud cover in January: 51
The months with the most cloud cover are January and February (Cloud cover 51).
The months with the least cloud cover are June, August and September (Cloud cover 28).
Average visibility in January
Rosiclare, IL
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Rosiclare, Illinois, USA
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