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
Dolton notes the coldest temperatures in January, with a high average of 29.8°F (-1.2°C) and a low of 19.6°F (-6.9°C).Humidity
The months with the highest humidity are January and February, with an average relative humidity of 82%.Rainfall
In Dolton, in January, it is raining for 4.6 days, with typically 0.51" (13mm) of accumulated precipitation. In Dolton, during the entire year, the rain falls for 110.3 days and collects up to 10.31" (262mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. The month with the most snowfall is January, when snow falls for 9.3 days and typically aggregates up to 1.1" (28mm) of snow.Daylight
The average length of the day in January in Dolton, Illinois, is 9h and 34min.On the first day of January, sunrise is at 7:17 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 5:04 pm CST.
Sunshine
With an average of 3.6h of sunshine, January has the least sunshine of the year.UV index
The average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 2 during January leads to these advisories:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. To protect against the Sun's most potent rays, avoid direct exposure around midday. Employ a wide-brim hat for potent defense against up to 50% of UV rays. 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?
How cold is it in January?
What is the most humid month in Dolton?
What is the average humidity in January?
How much does it rain in January?
What is the snowiest month?
How much does it snow in January?
How many hours of daylight does Dolton have in January?
When are sunrise and sunset in January?
What is the month with the least sunshine?
How long on average sun shines in January?
What is the UV index reading in January?
Average temperature in January
Dolton, IL
- Average high temperature in January: 29.8°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (29.8°F).
- Average low temperature in January: 19.6°F
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).
Average pressure in January
Dolton, IL
- Average pressure in January: 30.11"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in January
Dolton, IL
- Average wind speed in January: 11mph
The windiest month (with the highest average wind speed) is January (11mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in January
Dolton, IL
- Average humidity in January: 82%
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (72%).
Average rainfall in January
Dolton, IL
- Average rainfall in January: 0.51"
The wettest months (with the highest rainfall) are May and June (1.38").
The driest months (with the least rainfall) are February and December (0.47").
Average rainfall days in January
Dolton, IL
- Average rainfall days in January: 4.6 days
The month with the highest number of rainy days is July (14 days).
The month with the least rainy days is February (4.1 days).
Average snowfall in January
Dolton, IL
- Average snowfall in January: 1.1"
The month with the highest snowfall is January (1.1").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Dolton, IL
- Average snowfall days in January: 9.3 days
The month with the highest number of snowfall days is January (9.3 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
Dolton, IL
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January: 3h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in January
Dolton, IL
- Average sunshine days in January: 18.3 days
The month with the most sunshine days is December (19.8 days).
The month with the least sunshine days is June (13.1 days).
Average UV index in January
Dolton, IL
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in January
Dolton, IL
- Average cloud cover in January: 62
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in January
Dolton, 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).
Dolton, Illinois, USA
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