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 coldest month, exhibiting average temperatures of 31.1°F (-0.5°C) at the peak and 18.9°F (-7.3°C) at the base.Humidity
The average relative humidity in January is 81%.Rainfall
In Morton, in January, during 5.2 rainfall days, 0.87" (22mm) of precipitation is typically accumulated. In Morton, during the entire year, the rain falls for 127.2 days and collects up to 16.77" (426mm) of precipitation.Snowfall
January through April, November and December are months with snowfall in Morton, Illinois. January is the month with the most snowfall. Snow falls for 8.7 days and accumulates 2.24" (57mm) of snow.Daylight
The average length of the day in January is 9h and 40min.On the first day of the month, sunrise is at 7:21 am and sunset at 4:41 pm. On the last day of January, sunrise is at 7:08 am and sunset at 5:13 pm CST.
Sunshine
January has the least sunshine of the year, with an average of 3.9h of sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index, 2 during January, leads to the following recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest?
How cold is it in January?
What is the average humidity in January?
How much does it rain in January?
When does it snow the most?
How many days does it snow in January?
How many hours of daylight does Morton have in January?
What time are sunrise and sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does Morton have in January?
What are the months with the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Morton, IL
- Average high temperature in January: 31.1°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (31.1°F).
- Average low temperature in January: 18.9°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in January
Morton, IL
- Average pressure in January: 30.14"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in January
Morton, IL
- Average wind speed in January: 10.4mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in January
Morton, IL
- Average humidity in January: 81%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (71%).
Average rainfall in January
Morton, IL
- Average rainfall in January: 0.87"
The wettest month (with the highest rainfall) is May (2.48").
The driest months (with the least rainfall) are February and December (0.83").
Average rainfall days in January
Morton, IL
- Average rainfall days in January: 5.2 days
The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is February (4.8 days).
Average snowfall in January
Morton, IL
- Average snowfall in January: 2.24"
The month with the highest snowfall is January (2.24").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Morton, IL
- Average snowfall days in January: 8.7 days
The month with the highest number of snowfall days is January (8.7 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
Morton, IL
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January: 3h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in January
Morton, IL
- Average sunshine days in January: 19.1 days
The month with the most sunshine days is December (19.7 days).
The month with the least sunshine days is May (11.4 days).
Average UV index in January
Morton, IL
- Average UV index in January: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Morton, IL
- Average cloud cover in January: 58
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in January
Morton, IL
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Morton, Illinois, USA
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