January weather forecast
South Pekin, IL

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Weather in January

January, the same as December, in South Pekin, Illinois, is another subzero cold winter month, with an average temperature fluctuating between 19°F (-7.2°C) and 31.3°F (-0.4°C).

Temperature

South Pekin experiences its lowest average temperatures in January, reaching a peak of 31.3°F (-0.4°C) and a minimum of 19°F (-7.2°C).

Humidity

The average relative humidity in January in South Pekin is 80%.

Rainfall

In South Pekin, in January, it is raining for 6.4 days, with typically 1.65" (42mm) of accumulated precipitation. Throughout the year, there are 153.3 rainfall days, and 29.61" (752mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. The month with the most snowfall is January, when snow falls for 10.6 days and typically aggregates up to 3.86" (98mm) of snow.

Daylight

In January, the average length of the day is 9h and 40min.
On the first day of the month, sunrise is at 7:21 am and sunset at 4:42 pm. On the last day of January, sunrise is at 7:09 am and sunset at 5:14 pm CST.

Sunshine

The month with the least sunshine is January, with an average of 4h 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 value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: In January, an average UV index of 2 transforms into the following instructions:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.

Frequently asked questions

What are the coldest months in South Pekin?

January proves to be the coldest month, recording an average maximum temperature of 31.3°F (-0.4°C) and a minimum temperature of 19°F (-7.2°C).

How cold is January?

The average high-temperature, in January, in South Pekin, is 31.3°F (-0.4°C), while the average low-temperature is 19°F (-7.2°C).

What is the average humidity in January?

In South Pekin, the average relative humidity in January is 80%.

How much does it rain in January?

In January, in South Pekin, the rain falls for 6.4 days. Throughout January, 1.65" (42mm) of precipitation is accumulated.

What is the snowiest month?

The month with the most snowfall is January, when snow falls for 10.6 days and typically aggregates up to 3.86" (98mm) of snow.

How many days does it snow in January in South Pekin?

In January, it is snowing for 10.6 days. Throughout January, 3.86" (98mm) of snow is accumulated.

What is the average length of the day in January in South Pekin?

The average day length in January is 9h and 40min.

What time are sunrise and sunset in January?

On the first day of January, sunrise is at 7:21 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 5:14 pm CST.

What is the month with the least sunshine?

January has the least sunshine of the year, with an average of 4h of sunshine.

How long on average sun shines in January?

The average sunshine duration in January is 4h.

When is 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?

The average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a low health threat from exposure to Sun's UV rays.
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
South Pekin, IL

Average temperature in January - South Pekin, IL
  • Average high temperature in January: 31.3°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (31.3°F).

  • Average low temperature in January: 19°F

The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (19°F).

Average pressure in January
South Pekin, IL

Average pressure in January - South Pekin, 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
South Pekin, IL

Average wind speed in January - South Pekin, 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
South Pekin, IL

Average humidity in January - South Pekin, IL
  • Average humidity in January: 80%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (71%).

Average rainfall in January
South Pekin, IL

Average rainfall in January - South Pekin, IL
  • Average rainfall in January: 1.65"

The wettest month (with the highest rainfall) is May (4.09").
The driest month (with the least rainfall) is December (1.54").

Average rainfall days in January
South Pekin, IL

Average rainfall days in January - South Pekin, IL
  • Average rainfall days in January: 6.4 days

The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is February (6.3 days).

Average snowfall in January
South Pekin, IL

Average snowfall in January - South Pekin, IL
  • Average snowfall in January: 3.86"

The month with the highest snowfall is January (3.86").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in January
South Pekin, IL

Average snowfall days in January - South Pekin, IL
  • Average snowfall days in January: 10.6 days

The month with the highest number of snowfall days is January (10.6 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
South Pekin, IL

Average daylight in January / Average sunshine in January - South Pekin, 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: 4h and 0min

The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in January
South Pekin, IL

Average sunshine days in January - South Pekin, IL
  • Average sunshine days in January: 15.2 days

The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is June (10 days).

Average UV index in January
South Pekin, IL

Average UV index in January - South Pekin, 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
South Pekin, IL

Average cloud cover in January - South Pekin, IL
  • Average cloud cover in January: 57

The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are August and September (Cloud cover 30).

Average visibility in January
South Pekin, IL

Average visibility in January - South Pekin, 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).

South Pekin, Illinois, USA

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