April Weather in Vermillion, United States

Last updated: June 24, 2025

In April, the average temperature in Vermillion, United States hovers around 8°C (47°F). While you may experience chills with a minimum temperature plummeting to -16°C (4°F), it's not unusual to enjoy sunny days with a peak of 30°C (86°F). Expect about 85 mm (3.3 in) of precipitation spread over 10 days, contributing to an average humidity level of 79%. Stay prepared for a range of weather conditions!

April Temperature in Vermillion

In April in Vermillion, the average temperature is 8°C (47°F), with maxima reaching 30°C (86°F) and minima dipping as low as -16°C (4°F). This variation makes it essential to pack for both warm and cold conditions while traveling.

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

The chart illustrates April temperature patterns in Vermillion, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Vermillion, April typically has an average temperature of 8°C (47°F), with highs reaching up to 30°C (86°F) and lows dropping to around -16°C (4°F).

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

April Precipitation in Vermillion

In Vermillion in April, the precipitation amount is 85 mm (3.3 in) over the course of 10 days.

April Precipitation Trends in Vermillion

The chart displays monthly precipitation patterns in Vermillion, 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 Vermillion, April typically receives around 85 mm (3.3 inches) of precipitation spread over approximately 10 days.

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

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Millimeters (mm) Inches (in)

April Humidity in Vermillion

In Vermillion in April, humidity is 79%. With an average temperature of 8°C (47°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and requiring extra layers to stay comfortable while traveling.

April Average Humidity in Vermillion

This chart illustrates the average monthly humidity levels in Vermillion, 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 Vermillion is approximately 79%, 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 Vermillion

In Vermillion 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 Vermillion.

Maximum UV Index Levels in Vermillion for April

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

Data source: Vermillion 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 Vermillion Compares to Other Months

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

This table compares monthly weather conditions in Vermillion, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-5°C (23°F)	25 mm (1.0 inches)	80%	moderate
February Weather	-5°C (22°F)	26 mm (1.0 inches)	84%	moderate
March Weather	3°C (38°F)	79 mm (3.1 inches)	75%	high
April Weather	8°C (47°F)	85 mm (3.3 inches)	79%	very high
May Weather	16°C (60°F)	148 mm (5.8 inches)	74%	very high
June Weather	23°C (74°F)	94 mm (3.7 inches)	81%	extreme
July Weather	25°C (77°F)	82 mm (3.2 inches)	82%	very high
August Weather	23°C (73°F)	93 mm (3.7 inches)	80%	very high
September Weather	20°C (68°F)	85 mm (3.3 inches)	75%	very high
October Weather	10°C (50°F)	76 mm (3.0 inches)	77%	moderate
November Weather	3°C (37°F)	23 mm (0.9 inches)	85%	moderate
December Weather	-2°C (28°F)	42 mm (1.6 inches)	83%	low