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April Weather in Chester, United States

Last updated: June 24, 2025

In April, the average temperature in Chester, United States is a crisp 5°C (42°F). Temperatures can swing dramatically, with minimums dipping to -11°C (13°F) and highs reaching up to 24°C (76°F). You can expect approximately 100 mm (3.9 in) of precipitation spread over 9 days, with an average humidity of a lush 83%.

April Temperature in Chester

In April in Chester, the average temperature is 5°C (42°F). Maximum temperatures can reach 24°C (76°F), while minimums can drop as low as -11°C (13°F). Be prepared for a wide range of temperatures when planning your travel to Chester during this time.

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 5°C (42°F), with highs reaching up to 24°C (76°F) and lows dropping to around -11°C (13°F).
JanFebMarAprMayJunJulAugSepOctNovDec323235415162716961483931
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 100 mm (3.9 in) spread over 9 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 100 mm (3.9 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec21723219810075229172853106171
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 83%. With an average temperature of 5°C (42°F), this humidity feels like a heavy blanket wrapping around you, making even the simplest outdoor activities feel exhausting and uncomfortable for traveling.

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 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%87%86%83%72%67%56%42%46%67%86%86%
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.
JanFebMarAprMayJunJulAugSepOctNovDec45810121211119753
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 Weather0°C (32°F)217 mm (8.5 inches)86%moderate
February Weather0°C (32°F)232 mm (9.1 inches)87%moderate
March Weather2°C (35°F)198 mm (7.8 inches)86%very high
April Weather5°C (42°F)100 mm (3.9 inches)83%very high
May Weather11°C (52°F)75 mm (3.0 inches)72%extreme
June Weather17°C (63°F)22 mm (0.9 inches)67%extreme
July Weather22°C (71°F)9 mm (0.3 inches)56%extreme
August Weather21°C (69°F)16 mm (0.6 inches)42%extreme
September Weather16°C (61°F)27 mm (1.1 inches)46%very high
October Weather9°C (49°F)53 mm (2.1 inches)67%high
November Weather4°C (39°F)106 mm (4.2 inches)86%moderate
December Weather-1°C (31°F)171 mm (6.7 inches)86%moderate

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