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 is the month when Manteno experiences its coldest temperatures, averaging a high of 29.7°F (-1.3°C) and a low of 18.3°F (-7.6°C).Humidity
The average relative humidity in January is 82%.Rainfall
In Manteno, in January, it is raining for 5 days, with typically 0.59" (15mm) of accumulated precipitation. In Manteno, during the entire year, the rain falls for 115.5 days and collects up to 11.65" (296mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. The month with the most snowfall is January, when snow falls for 10.2 days and typically aggregates up to 1.34" (34mm) of snow.Daylight
In January, the average length of the day is 9h and 36min.On the first day of the month, sunrise is at 7:16 am and sunset at 4:32 pm. On the last day of January, sunrise is at 7:03 am and sunset at 5:05 pm CST.
Sunshine
The month with the least sunshine is January, with an average of 3.7h of sunshine.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: In January, the average maximum UV index of 1 translates into the following recommendations:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest?
How cold is January?
What is the average humidity in January?
How much does it rain in Manteno in January?
When does it snow the most?
How many days does it snow in January?
How many hours of daylight does Manteno have in January?
What time are sunrise and sunset in January in Manteno?
What is the month with the least sunshine?
How many hours of sunshine does Manteno have in January?
When is the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Manteno, IL
- Average high temperature in January: 29.7°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in January: 18.3°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in January
Manteno, IL
- Average pressure in January: 30.12"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in January
Manteno, IL
- Average wind speed in January: 9.9mph
The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in January
Manteno, IL
- Average humidity in January: 82%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is October (73%).
Average rainfall in January
Manteno, IL
- Average rainfall in January: 0.59"
The wettest month (with the highest rainfall) is May (1.77").
The driest month (with the least rainfall) is February (0.55").
Average rainfall days in January
Manteno, IL
- Average rainfall days in January: 5 days
The month with the highest number of rainy days is May (14.2 days).
The month with the least rainy days is February (4.4 days).
Average snowfall in January
Manteno, IL
- Average snowfall in January: 1.34"
The month with the highest snowfall is January (1.34").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Manteno, IL
- Average snowfall days in January: 10.2 days
The month with the highest number of snowfall days is January (10.2 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
Manteno, 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 18min).
- Average sunshine in January: 3h and 4min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in January
Manteno, IL
- Average sunshine days in January: 18.6 days
The month with the most sunshine days is November (20.8 days).
The months with the least sunshine days are June and July (12.2 days).
Average UV index in January
Manteno, IL
- Average UV index in January: 1
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in January
Manteno, IL
- Average cloud cover in January: 60
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in January
Manteno, IL
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
Manteno, Illinois, USA
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