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April Weather in Belleville, United States

Last updated: June 24, 2025

In Belleville, United States, the average temperature in April hovers around 11°C (53°F). However, temperatures can swing dramatically, with a minimum of -10°C (15°F) and a maximum reaching up to 34°C (93°F). Expect about 49 mm (1.9 in) of precipitation spread over 7 days, contributing to an average humidity level of 70%.

April Temperature in Belleville

In April in Belleville, the average temperature is 11°C (53°F). Maximum temperatures can reach 34°C (93°F), while minimum temperatures may drop as low as -10°C (15°F). This wide temperature range suggests that visitors should be prepared for both warm and chilly conditions, making it essential to pack layers for their trip.

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

The chart illustrates April temperature patterns in Belleville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Belleville, April typically has an average temperature of 11°C (53°F), with highs reaching up to 34°C (93°F) and lows dropping to around -10°C (15°F).
JanFebMarAprMayJunJulAugSepOctNovDec293044536477807772544335
Data source: Temperature data for Belleville 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 Belleville

In Belleville in April, the precipitation amount is 49 mm (1.9 in) over the course of 7 days.

April Precipitation Trends in Belleville

The chart displays monthly precipitation patterns in Belleville, 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 Belleville, April typically receives around 49 mm (1.9 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec2523804917972799560892337
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Belleville

In Belleville in April, humidity is 70%. With an average temperature of 11°C (53°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities less enjoyable and requiring you to dress in layers to stay comfortable while exploring.

April Average Humidity in Belleville

This chart illustrates the average monthly humidity levels in Belleville, 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 Belleville is approximately 70%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%78%67%70%82%81%80%80%74%71%79%83%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Belleville

In Belleville in April, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Belleville.

Maximum UV Index Levels in Belleville for April

The chart shows the monthly maximum UV Index (UVI) for Belleville 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 Belleville typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3569101111109643
Data source: Belleville 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 Belleville Compares to Other Months

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

This table compares monthly weather conditions in Belleville, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (30°F)25 mm (1.0 inches)74%moderate
February Weather-1°C (30°F)23 mm (0.9 inches)78%moderate
March Weather7°C (44°F)80 mm (3.2 inches)67%high
April Weather11°C (53°F)49 mm (1.9 inches)70%very high
May Weather18°C (64°F)179 mm (7.0 inches)82%very high
June Weather25°C (78°F)72 mm (2.8 inches)81%extreme
July Weather27°C (81°F)79 mm (3.1 inches)80%extreme
August Weather25°C (77°F)95 mm (3.7 inches)80%very high
September Weather22°C (72°F)59 mm (2.3 inches)73%very high
October Weather12°C (55°F)88 mm (3.5 inches)71%high
November Weather6°C (43°F)23 mm (0.9 inches)79%moderate
December Weather1°C (35°F)37 mm (1.4 inches)83%moderate

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