January Weather in Pinckneyville, United States

Last updated: June 24, 2025

In Pinckneyville, United States, the average temperature in January hovers around 1°C (35°F). Expect a significant range, with minimums dipping as low as -19°C (-1°F) and maximums reaching up to 21°C (70°F). During this month, precipitation totals around 92 mm (3.6 in) over approximately 8 days, contributing to an average humidity of a brisk 86%.

January Temperature in Pinckneyville

In January in Pinckneyville, the average temperature is 1°C (35°F). The maximum can reach 21°C (70°F), while the minimum can dip as low as -19°C (-1°F). Be sure to pack layers and be prepared for a wide range of temperatures if you're traveling during this time.

January Weather in Pinckneyville: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Pinckneyville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Pinckneyville, January typically has an average temperature of 1°C (35°F), with highs reaching up to 21°C (70°F) and lows dropping to around -19°C (-1°F).

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

January Precipitation in Pinckneyville

In Pinckneyville in January, the precipitation amount is 92 mm (3.6 in), occurring over the course of 8 days.

January Precipitation Trends in Pinckneyville

The chart displays monthly precipitation patterns in Pinckneyville, 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 Pinckneyville, January typically receives around 92 mm (3.6 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 Pinckneyville

In Pinckneyville in January, humidity is 86%. With an average temperature of 1°C (35°F), this humidity feels like a biting chill that wraps around you, making outdoor exploration uncomfortable and requiring extra layers to stay warm while navigating the damp air.

January Average Humidity in Pinckneyville

This chart illustrates the average monthly humidity levels in Pinckneyville, 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 Pinckneyville is approximately 86%, 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 Pinckneyville

In Pinckneyville 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 Pinckneyville, you can check the information here.

Maximum UV Index Levels in Pinckneyville for January

The chart shows the monthly maximum UV Index (UVI) for Pinckneyville 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 Pinckneyville typically reaches 3, which falls under the moderate exposure category.

Data source: Pinckneyville 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 Pinckneyville Compares to Other Months

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

This table compares monthly weather conditions in Pinckneyville, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	1°C (35°F)	92 mm (3.6 inches)	86%	moderate
February Weather	3°C (38°F)	110 mm (4.3 inches)	84%	moderate
March Weather	9°C (49°F)	141 mm (5.5 inches)	84%	high
April Weather	14°C (57°F)	141 mm (5.6 inches)	80%	very high
May Weather	20°C (69°F)	152 mm (6.0 inches)	82%	extreme
June Weather	25°C (77°F)	89 mm (3.5 inches)	83%	extreme
July Weather	27°C (81°F)	87 mm (3.4 inches)	79%	very high
August Weather	25°C (77°F)	92 mm (3.6 inches)	76%	very high
September Weather	23°C (73°F)	67 mm (2.7 inches)	75%	very high
October Weather	16°C (61°F)	121 mm (4.8 inches)	74%	high
November Weather	7°C (46°F)	87 mm (3.4 inches)	85%	moderate
December Weather	5°C (41°F)	81 mm (3.2 inches)	88%	moderate