January Weather in South Pekin, United States

Last updated: June 24, 2025

In January, the average temperature in South Pekin, United States hovers around -3°C (28°F), with a striking range that can dip to a chilly -29°C (-20°F) or peak at a mild 15°C (59°F). During this month, expect around 64 mm (2.5 in) of precipitation spread across approximately 8 days, contributing to a notably high average humidity of 82%.

January Temperature in South Pekin

In January in South Pekin, the average temperature is -3°C (28°F). The maximum can reach 15°C (59°F), while the minimum can be as low as -29°C (-20°F). Travelers should be prepared for a wide range of temperatures and dress accordingly for their visit.

January Weather in South Pekin: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in South Pekin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In South Pekin, January typically has an average temperature of -3°C (28°F), with highs reaching up to 15°C (59°F) and lows dropping to around -29°C (-20°F).

Data source: Temperature data for South Pekin generated using information from the Copernicus Climate Change Service.

January Precipitation in South Pekin

In South Pekin in January, the precipitation amount is 64 mm (2.5 in) over the course of 8 days.

January Precipitation Trends in South Pekin

The chart displays monthly precipitation patterns in South Pekin, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In South Pekin, January typically receives around 64 mm (2.5 inches) of precipitation spread over approximately 8 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

January Humidity in South Pekin

In South Pekin in January humidity is 82%. With an average temperature of -3°C (28°F), this humidity feels like a biting chill that penetrates your layers, making outdoor travel uncomfortable and requiring extra preparation to avoid the damp cold settling into your bones.

January Average Humidity in South Pekin

This chart illustrates the average monthly humidity levels in South Pekin, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in South Pekin is approximately 82%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in South Pekin

In South Pekin in January, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in South Pekin, you can check the information here.

Maximum UV Index Levels in South Pekin for January

The chart shows the monthly maximum UV Index (UVI) for South Pekin in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In January, the maximum UV index in South Pekin typically reaches 3, which falls under the moderate exposure category.

Data source: South Pekin January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How January Weather in South Pekin Compares to Other Months

Weather in South Pekin varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in South Pekin, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in South Pekin, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (28°F)	64 mm (2.5 inches)	82%	moderate
February Weather	-1°C (30°F)	69 mm (2.7 inches)	83%	moderate
March Weather	6°C (43°F)	118 mm (4.6 inches)	84%	high
April Weather	11°C (52°F)	117 mm (4.6 inches)	85%	very high
May Weather	18°C (65°F)	165 mm (6.5 inches)	79%	very high
June Weather	23°C (75°F)	150 mm (5.9 inches)	82%	extreme
July Weather	25°C (77°F)	112 mm (4.4 inches)	80%	very high
August Weather	24°C (75°F)	89 mm (3.5 inches)	81%	very high
September Weather	21°C (70°F)	68 mm (2.7 inches)	80%	very high
October Weather	13°C (57°F)	122 mm (4.8 inches)	82%	high
November Weather	5°C (41°F)	60 mm (2.4 inches)	88%	moderate
December Weather	2°C (35°F)	54 mm (2.1 inches)	84%	low