January weather forecast
Edwardsville, IL

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Weather in January

January, like December, in Edwardsville, Illinois, is another cold winter month, with an average temperature ranging between min 23.4°F (-4.8°C) and max 36.1°F (2.3°C).

Temperature

During the coldest month, January, temperatures average a high of 36.1°F (2.3°C) and a low of 23.4°F (-4.8°C).

Humidity

In Edwardsville, the average relative humidity in January is 77%.

Rainfall

In Edwardsville, in January, during 5.6 rainfall days, 1.26" (32mm) of precipitation is typically accumulated. Throughout the year, there are 138 rainfall days, and 23.9" (607mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall. In Edwardsville, during January, snow falls for 6 days and regularly aggregates up to 1.18" (30mm) of snow. Throughout the year, there are 18.6 snowfall days, and 4.53" (115mm) of snow is accumulated.

Daylight

In Edwardsville, the average length of the day in January is 9h and 49min.
On the first day of January, sunrise is at 7:18 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 5:19 pm CST.

Sunshine

January and February, with an average of 4.5h of sunshine, are months with the least sunshine.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: In January, the UV index of 2 transforms into the following advice:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Updated: Aug 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the coldest?

The coldest month is January, with an average high-temperature of 36.1°F (2.3°C) and an average low-temperature of 23.4°F (-4.8°C).

How cold is January?

In Edwardsville, 36.1°F (2.3°C) is the average high-temperature and 23.4°F (-4.8°C) is the average low-temperature during January.

What is the average humidity in January?

In Edwardsville, the average relative humidity in January is 77%.

How many days does it rain in January?

In Edwardsville, in January, it is raining for 5.6 days, with typically 1.26" (32mm) of accumulated precipitation.

How much does it snow in January?

In January, it is snowing for 6 days. Throughout January, 1.18" (30mm) of snow is accumulated.

What is the average length of the day in January?

The average day length in January is 9h and 49min.

When is the sunrise / sunset in January?

In January, on the first day of the month, sunrise is at 7:18 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 5:19 pm CST.

What is the month with the least sunshine?

The months with the least sunshine are January and February, with an average of 4.5h of sunshine.

How many hours of sunshine does Edwardsville have in January?

In Edwardsville, the average sunshine duration in January is 4.5h.

What are the months with the lowest UV index?

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.

What is the UV index intensity in January?

In January, the average daily maximum UV index is 2. A UV Index estimate 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
Edwardsville, IL

Average temperature in January - Edwardsville, IL
  • Average high temperature in January: 36.1°F

The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (36.1°F).

  • Average low temperature in January: 23.4°F

The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).

Average pressure in January
Edwardsville, IL

Average pressure in January - Edwardsville, 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 (29.92"Hg).

Average wind speed in January
Edwardsville, IL

Average wind speed in January - Edwardsville, IL
  • Average wind speed in January: 9.6mph

The windiest months (with the highest average wind speed) are January and February (9.6mph).
The calmest month (with the lowest average wind speed) is July (5.7mph).

Average humidity in January
Edwardsville, IL

Average humidity in January - Edwardsville, IL
  • Average humidity in January: 77%

The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is October (71%).

Average rainfall in January
Edwardsville, IL

Average rainfall in January - Edwardsville, IL
  • Average rainfall in January: 1.26"

The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is February (1.14").

Average rainfall days in January
Edwardsville, IL

Average rainfall days in January - Edwardsville, IL
  • Average rainfall days in January: 5.6 days

The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is January (5.6 days).

Average snowfall in January
Edwardsville, IL

Average snowfall in January - Edwardsville, IL
  • Average snowfall in January: 1.18"

The month with the highest snowfall is February (1.61").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in January
Edwardsville, IL

Average snowfall days in January - Edwardsville, IL
  • Average snowfall days in January: 6 days

The month with the highest number of snowfall days is January (6 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
Edwardsville, IL

Average daylight in January / Average sunshine in January - Edwardsville, 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 3min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 30min).

Average sunshine days in January
Edwardsville, IL

Average sunshine days in January - Edwardsville, IL
  • Average sunshine days in January: 20.3 days

The month with the most sunshine days is December (20.4 days).
The month with the least sunshine days is July (12.3 days).

Average UV index in January
Edwardsville, IL

Average UV index in January - Edwardsville, 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
Edwardsville, IL

Average cloud cover in January - Edwardsville, IL
  • Average cloud cover in January: 51

The month with the most cloud cover is January (Cloud cover 51).
The months with the least cloud cover are June, July and August (Cloud cover 29).

Average visibility in January
Edwardsville, IL

Average visibility in January - Edwardsville, 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).

Edwardsville, Illinois, USA

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