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April Weather in Vermilion, United States

Last updated: June 24, 2025

The average temperature in Vermilion, United States during April hovers around 8°C (46°F). Expect a chilly minimum of -2°C (28°F), while temperatures can reach a pleasant maximum of 21°C (70°F). With an average precipitation amount of 121 mm (4.8 in) spread over 15 days, you may want to keep an umbrella handy. Furthermore, the average humidity sits at a high 87%, giving the air a distinct freshness.

April Temperature in Vermilion

In April in Vermilion, the average temperature is 8°C (46°F). Maximums can reach 21°C (70°F) and minimums can be as low as -2°C (28°F). Travelers should be prepared for a wide range of temperatures, making it essential to pack both warmer and lighter clothing options.

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

The chart illustrates April temperature patterns in Vermilion, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Vermilion, April typically has an average temperature of 8°C (46°F), with highs reaching up to 21°C (70°F) and lows dropping to around -2°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec303137465869757468584336
Data source: Temperature data for Vermilion generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Vermilion

In Vermilion in April, the precipitation amount is 121 mm (4.8 in) during a period of 15 days.

April Precipitation Trends in Vermilion

The chart displays monthly precipitation patterns in Vermilion, 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 Vermilion, April typically receives around 121 mm (4.8 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec939999121125108116828411811597
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Vermilion

In Vermilion in April, humidity is 87%. With an average temperature of 8°C (46°F), this humidity feels like a chilly, damp fog clinging to your skin, making outdoor activities a bit uncomfortable and causing even mild exertion to leave you feeling clammy and cold.

April Average Humidity in Vermilion

This chart illustrates the average monthly humidity levels in Vermilion, 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 Vermilion is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%87%87%81%83%82%76%77%82%89%86%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Vermilion

In Vermilion 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 Vermilion.

Maximum UV Index Levels in Vermilion for April

The chart shows the monthly maximum UV Index (UVI) for Vermilion 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 Vermilion typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346810101098642
Data source: Vermilion 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 Vermilion Compares to Other Months

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

This table compares monthly weather conditions in Vermilion, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)93 mm (3.7 inches)88%moderate
February Weather0°C (32°F)99 mm (3.9 inches)88%moderate
March Weather3°C (38°F)99 mm (3.9 inches)87%high
April Weather8°C (46°F)121 mm (4.8 inches)87%very high
May Weather14°C (58°F)125 mm (4.9 inches)81%very high
June Weather20°C (69°F)108 mm (4.2 inches)83%very high
July Weather24°C (75°F)115 mm (4.5 inches)82%very high
August Weather23°C (74°F)82 mm (3.2 inches)76%very high
September Weather20°C (69°F)84 mm (3.3 inches)77%very high
October Weather15°C (59°F)118 mm (4.6 inches)82%high
November Weather6°C (43°F)115 mm (4.5 inches)89%moderate
December Weather2°C (36°F)97 mm (3.8 inches)86%low

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