April Weather in Tonica, United States

Last updated: June 24, 2025

In April, the average temperature in Tonica, United States hovers around 10°C (50°F), with extremes ranging from a brisk -8°C (18°F) to a warm 29°C (85°F). Expect about 115 mm (4.5 in) of precipitation spread over 11 days, contributing to an average humidity of 85%.

April Temperature in Tonica

In April in Tonica, the average temperature is 10°C (50°F). The maximum can reach 29°C (85°F), while the minimum can dip as low as -8°C (18°F). This means travelers should be prepared for a wide range of temperatures, making it essential to pack layers for varying weather conditions.

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

The chart illustrates April 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, April typically has an average temperature of 10°C (50°F), with highs reaching up to 29°C (85°F) and lows dropping to around -8°C (18°F).

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

April Precipitation in Tonica

In Tonica in April, the total precipitation amount is 115 mm (4.5 in) spread over 11 days.

April Precipitation Trends in Tonica

The chart displays monthly precipitation patterns in Tonica, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Tonica, April typically receives around 115 mm (4.5 inches) of precipitation spread over approximately 11 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

April Humidity in Tonica

In Tonica in April, humidity is 85%. With an average temperature of 10°C (50°F), this humidity feels like a heavy, damp blanket surrounding you, making travel feel sluggish and uncomfortable as you navigate through the thick, moist air.

April Average Humidity in Tonica

This chart illustrates the average monthly humidity levels in Tonica, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Tonica is approximately 85%, offering insight into how humid the weather typically is during this month.

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

April UV Index in Tonica

In Tonica in April, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Tonica.

Maximum UV Index Levels in Tonica for April

The chart shows the monthly maximum UV Index (UVI) for Tonica in April, 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 April, the maximum UV index in Tonica typically reaches 8, which falls under the very high exposure category.

Data source: Tonica April 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 April 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 April’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 April’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