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April Weather in Chester, United States

Last updated: June 24, 2025

In April, the average temperature in Chester, United States hovers around 17°C (63°F). Visitors can expect a minimum chill of 0°C (32°F) and a warm peak of 30°C (86°F). With an average precipitation of 102 mm (4.0 in) spread over 8 days, the month is often marked by occasional showers. Humidity levels are typically high, averaging around 82%, contributing to a lush and vibrant atmosphere.

April Temperature in Chester

In April in Chester, the average temperature is 17°C (63°F), with maximums reaching up to 30°C (86°F) and minimums dropping as low as 0°C (32°F). This variability makes it essential for travelers to pack accordingly, with layers for both warm and cooler moments.

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

The chart illustrates April temperature patterns in Chester, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chester, April typically has an average temperature of 17°C (63°F), with highs reaching up to 30°C (86°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec465155637277817975675348
Data source: Temperature data for Chester 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 Chester

In Chester in April, the precipitation amount is 102 mm (4.0 in) over the course of 8 days.

April Precipitation Trends in Chester

The chart displays monthly precipitation patterns in Chester, 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 Chester, April typically receives around 102 mm (4.0 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec9412588102110891091241108894130
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Chester

In Chester in April, humidity is 82%. With an average temperature of 17°C (63°F), this humidity feels like a warm blanket wrapping around you—comfortable yet heavy, making outdoor activities more taxing and requiring frequent breaks for hydration.

April Average Humidity in Chester

This chart illustrates the average monthly humidity levels in Chester, 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 Chester is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%84%82%83%82%80%74%75%79%87%87%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Chester

In Chester in April, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Chester.

Maximum UV Index Levels in Chester for April

The chart shows the monthly maximum UV Index (UVI) for Chester 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 Chester typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810101111109863
Data source: Chester 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 Chester Compares to Other Months

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

This table compares monthly weather conditions in Chester, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (46°F)94 mm (3.7 inches)86%moderate
February Weather10°C (51°F)124 mm (4.9 inches)85%high
March Weather13°C (56°F)88 mm (3.5 inches)84%very high
April Weather17°C (63°F)102 mm (4.0 inches)82%very high
May Weather22°C (72°F)110 mm (4.3 inches)83%very high
June Weather25°C (78°F)89 mm (3.5 inches)82%extreme
July Weather27°C (81°F)109 mm (4.3 inches)80%extreme
August Weather26°C (79°F)124 mm (4.9 inches)74%very high
September Weather24°C (76°F)110 mm (4.3 inches)75%very high
October Weather19°C (67°F)88 mm (3.5 inches)79%very high
November Weather11°C (53°F)94 mm (3.7 inches)87%high
December Weather9°C (49°F)130 mm (5.1 inches)87%moderate

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