January weather forecast
Toulon, IL

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Weather in January

January, the same as December, in Toulon, Illinois, is a freezing cold winter month, with an average temperature varying between 16.7°F (-8.5°C) and 28.8°F (-1.8°C).

Temperature

Toulon's temperature records reveal January as the coldest month, marked by average highs of 28.8°F (-1.8°C) and lows of 16.7°F (-8.5°C).

Humidity

In January, the average relative humidity is 83%.

Rainfall

The months with the least rainfall are January and December Rain falls for 6.1 days and accumulates 1.42" (36mm) of rain.

Snowfall

January through April, October through December are months with snowfall. The month with the most snowfall is January, when snow falls for 11.4 days and typically aggregates up to 3.66" (93mm) of snow.

Daylight

The average length of the day in January is 9h and 37min.
On the first day of January in Toulon, sunrise is at 7:24 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 5:14 pm CST.

Sunshine

With an average of 3.9h of sunshine, January has the least sunshine of the year.

UV index

The month with the lowest UV index is January, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for average individuals.
Note: The maximum daily UV index of 1 during January translates into the following directions:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Around midday, solar radiation is most harmful; hence, exposure should be limited. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Updated: Jul 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month?

With average temperatures fluctuating between a high of 28.8°F (-1.8°C) and a low of 16.7°F (-8.5°C), January stands out as the coldest month.

How cold is it in January?

Toulon in January has an average high-temperature of 28.8°F (-1.8°C) and an average low-temperature of 16.7°F (-8.5°C).

What is the average humidity in January?

The average relative humidity in January is 83%.

What is the driest month?

The months with the least rainfall are January and December Rain falls for 6.1 days and accumulates 1.42" (36mm) of rain.

How many days does it rain in January?

In Toulon, in January, it is raining for 6.1 days, with typically 1.42" (36mm) of accumulated precipitation.

When does it snow the most?

The month with the most snowfall is January, when snow falls for 11.4 days and typically aggregates up to 3.66" (93mm) of snow.

How many days does it snow in January?

In Toulon, in January, during 11.4 snowfall days, 3.66" (93mm) of snow is typically accumulated.

What is the average length of the day in January?

In Toulon, Illinois, the average day length in January is 9h and 37min.

When is the sunrise / sunset in January?

On the first day of January, sunrise is at 7:24 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 5:14 pm CST.

What is the month with the least sunshine in Toulon?

The month with the least sunshine is January, with an average of 3.9h of sunshine.

How many hours of sunshine does Toulon have in January?

In January, the average sunshine duration is 3.9h.

What is the month with the lowest UV index?

With an average maximum UV index of 1, January is the month with the lowest UV index.

How high is the UV index in January?

In January, the average daily maximum UV index in Toulon, Illinois, is 1. A UV Index reading of 2, and below, represents a minimal hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Toulon, IL

Average temperature in January - Toulon, IL
  • Average high temperature in January: 28.8°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (28.8°F).

  • Average low temperature in January: 16.7°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).

Average pressure in January
Toulon, IL

Average pressure in January - Toulon, IL
  • Average pressure in January: 30.13"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in January
Toulon, IL

Average wind speed in January - Toulon, 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 (6.6mph).

Average humidity in January
Toulon, IL

Average humidity in January - Toulon, IL
  • Average humidity in January: 83%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).

Average rainfall in January
Toulon, IL

Average rainfall in January - Toulon, IL
  • Average rainfall in January: 1.42"

The wettest month (with the highest rainfall) is May (4.45").
The driest months (with the least rainfall) are January and December (1.42").

Average rainfall days in January
Toulon, IL

Average rainfall days in January - Toulon, IL
  • Average rainfall days in January: 6.1 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (5.6 days).

Average snowfall in January
Toulon, IL

Average snowfall in January - Toulon, IL
  • Average snowfall in January: 3.66"

The month with the highest snowfall is January (3.66").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in January
Toulon, IL

Average snowfall days in January - Toulon, IL
  • Average snowfall days in January: 11.4 days

The month with the highest number of snowfall days is January (11.4 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
Toulon, IL

Average daylight in January / Average sunshine in January - Toulon, 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 5min

The months with the most sunshine are June and July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in January
Toulon, IL

Average sunshine days in January - Toulon, IL
  • Average sunshine days in January: 15.2 days

The month with the most sunshine days is November (18 days).
The month with the least sunshine days is June (10.2 days).

Average UV index in January
Toulon, IL

Average UV index in January - Toulon, IL
  • Average UV index in January: 1

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).

Average cloud cover in January
Toulon, IL

Average cloud cover in January - Toulon, IL
  • Average cloud cover in January: 58

The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are August and September (Cloud cover 30).

Average visibility in January
Toulon, IL

Average visibility in January - Toulon, 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).

Toulon, Illinois, USA

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