April Weather in Westfield, United States

Last updated: June 24, 2025

In April, the average temperature in Westfield, United States hovers around 3°C (39°F). Expect cool conditions, with minimums dipping as low as -13°C (10°F) and maximums reaching up to 20°C (68°F). Rain is likely, with 111 mm (4.4 in) of precipitation spread over 13 days, contributing to an average humidity of 87%. Be prepared for a damp and chilly experience!

April Temperature in Westfield

In April in Westfield, the average temperature is 3°C (39°F). The maximum can reach 20°C (68°F), and the minimum can be as low as -13°C (10°F). Travelers should be prepared for a wide range of temperatures, so dressing in layers is advisable.

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

The chart illustrates April temperature patterns in Westfield, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Westfield, April typically has an average temperature of 3°C (39°F), with highs reaching up to 20°C (68°F) and lows dropping to around -13°C (10°F).
JanFebMarAprMayJunJulAugSepOctNovDec151725385161676557463220
Data source: Temperature data for Westfield 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 Westfield

In Westfield in April, the precipitation amount reaches 111 mm (4.4 in) over the course of 13 days.

April Precipitation Trends in Westfield

The chart displays monthly precipitation patterns in Westfield, 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 Westfield, April typically receives around 111 mm (4.4 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec937976111108911179097112114103
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Westfield

In Westfield in April, humidity is 87%. With an average temperature of 3°C (39°F), this humidity feels like a chilling blanket enveloping you, making travel uncomfortable as the damp air seeps into your clothes and chills your bones, turning even the briefest outings into a test of endurance.

April Average Humidity in Westfield

This chart illustrates the average monthly humidity levels in Westfield, 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 Westfield is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%92%90%87%82%77%82%83%85%87%88%90%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Westfield

In Westfield in April, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Westfield.

Maximum UV Index Levels in Westfield for April

The chart shows the monthly maximum UV Index (UVI) for Westfield 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 Westfield typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2357810887532
Data source: Westfield 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 Westfield Compares to Other Months

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

This table compares monthly weather conditions in Westfield, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-9°C (16°F)93 mm (3.7 inches)93%low
February Weather-8°C (18°F)79 mm (3.1 inches)92%moderate
March Weather-4°C (26°F)76 mm (3.0 inches)90%moderate
April Weather3°C (39°F)111 mm (4.4 inches)87%high
May Weather11°C (52°F)108 mm (4.2 inches)82%very high
June Weather16°C (61°F)91 mm (3.6 inches)77%very high
July Weather19°C (67°F)117 mm (4.6 inches)81%very high
August Weather19°C (66°F)90 mm (3.5 inches)83%very high
September Weather14°C (57°F)97 mm (3.8 inches)85%high
October Weather8°C (46°F)112 mm (4.4 inches)87%moderate
November Weather0°C (32°F)113 mm (4.5 inches)87%moderate
December Weather-7°C (20°F)103 mm (4.1 inches)90%low

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