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
Johnsonville notes the coldest temperatures in January, with a high average of 36.7°F (2.6°C) and a low of 24.3°F (-4.3°C).Humidity
In Johnsonville, the average relative humidity in January is 77%.Rainfall
In Johnsonville, Illinois, in January, during 9.3 rainfall days, 2.44" (62mm) of precipitation is typically accumulated. In Johnsonville, during the entire year, the rain falls for 167.3 days and collects up to 37.17" (944mm) of precipitation.Snowfall
January through April, October through December are months with snowfall in Johnsonville. January is the month with the most snowfall in Johnsonville. Snow falls for 7.1 days and accumulates 2.05" (52mm) of snow.Daylight
In January, the average length of the day is 9h and 50min.On the first day of January, sunrise is at 7:11 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 5:14 pm CST.
Sunshine
January has the least sunshine of the year, with an average of 4.4h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Johnsonville. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily high UV index of 2 in January translates into this advice:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year in Johnsonville?
How cold is January in Johnsonville?
What is the average humidity in January in Johnsonville?
How much does it rain in Johnsonville in January?
When does it snow the most in Johnsonville?
How many days does it snow in January in Johnsonville?
What is the average length of the day in January in Johnsonville?
When are sunrise and sunset in January in Johnsonville?
What is the month with the least sunshine in Johnsonville?
How long on average sun shines in January in Johnsonville?
When is the lowest UV index in Johnsonville?
What is the UV index intensity in January in Johnsonville?
Average temperature in January
Johnsonville, IL
- Average high temperature in January: 36.7°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (36.7°F).
- Average low temperature in January: 24.3°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in January
Johnsonville, 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 (29.93"Hg).
Average wind speed in January
Johnsonville, IL
- Average wind speed in January: 10.3mph
The windiest months (with the highest average wind speed) are January and February (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in January
Johnsonville, IL
- Average humidity in January: 77%
The months with the highest relative humidity are May and July (80%).
The month with the lowest relative humidity is October (70%).
Average rainfall in January
Johnsonville, IL
- Average rainfall in January: 2.44"
The wettest month (with the highest rainfall) is April (4.88").
The driest months (with the least rainfall) are February and September (2.09").
Average rainfall days in January
Johnsonville, IL
- Average rainfall days in January: 9.3 days
The month with the highest number of rainy days is May (19.9 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in January
Johnsonville, IL
- Average snowfall in January: 2.05"
The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Johnsonville, IL
- Average snowfall days in January: 7.1 days
The month with the highest number of snowfall days is January (7.1 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
Johnsonville, IL
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January: 4h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in January
Johnsonville, IL
- Average sunshine days in January: 15.3 days
The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is May (9 days).
Average UV index in January
Johnsonville, 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, November and December (UV index 2).
Average cloud cover in January
Johnsonville, IL
- Average cloud cover in January: 52
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in January
Johnsonville, 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).
Johnsonville, Illinois, USA
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