January Weather in Tonica, United States

Last updated: June 24, 2025

In January, the average temperature in Tonica, United States hovers around -4°C (26°F). During this month, expect a minimum chill of -31°C (-24°F) and a pleasant maximum of 14°C (58°F). With 60 mm (2.3 in) of precipitation spread over 8 days, be prepared for some wet weather. Additionally, the average humidity is a notable 82%, adding to the crisp atmosphere.

January Temperature in Tonica

In January in Tonica, the average temperature is -4°C (26°F), with maximums reaching 14°C (58°F) and minimums dipping as low as -31°C (-24°F). It's important to pack accordingly and be prepared for a wide range of temperatures if you're planning to travel during this time.

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

The chart illustrates January temperature patterns in Tonica, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tonica, January typically has an average temperature of -4°C (26°F), with highs reaching up to 14°C (58°F) and lows dropping to around -31°C (-24°F).

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

January Precipitation in Tonica

In Tonica in January, the precipitation amount is 60 mm (2.3 in) over a span of 8 days.

January Precipitation Trends in Tonica

The chart displays monthly precipitation patterns in Tonica, 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 Tonica, January typically receives around 60 mm (2.3 inches) of precipitation spread over approximately 8 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Tonica

In Tonica in January humidity is 82%. With an average temperature of -4°C (26°F), this humidity feels like an icy blanket enveloping you, making every step outside a battle against the chill and dampness—where the cold bites deeper, and the air feels heavy, reminding you that even in the winter, the moisture can be overwhelming for any traveler unprepared for such conditions.

January Average Humidity in Tonica

This chart illustrates the average monthly humidity levels in Tonica, 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 Tonica 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 Tonica

In Tonica 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 Tonica, you can check the information here.

Maximum UV Index Levels in Tonica for January

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

Data source: Tonica 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 Tonica Compares to Other Months

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

This table compares monthly weather conditions in Tonica, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-4°C (26°F)	60 mm (2.3 inches)	82%	moderate
February Weather	-2°C (28°F)	65 mm (2.5 inches)	83%	moderate
March Weather	5°C (41°F)	93 mm (3.7 inches)	84%	high
April Weather	10°C (50°F)	115 mm (4.5 inches)	85%	very high
May Weather	17°C (63°F)	160 mm (6.3 inches)	79%	very high
June Weather	23°C (73°F)	147 mm (5.8 inches)	82%	extreme
July Weather	24°C (76°F)	104 mm (4.1 inches)	80%	very high
August Weather	23°C (74°F)	78 mm (3.1 inches)	81%	very high
September Weather	20°C (69°F)	85 mm (3.3 inches)	80%	very high
October Weather	13°C (55°F)	132 mm (5.2 inches)	82%	high
November Weather	4°C (40°F)	56 mm (2.2 inches)	88%	moderate
December Weather	1°C (34°F)	53 mm (2.1 inches)	84%	low