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April Weather in Westfield, United States

Last updated: June 24, 2025

In Westfield, United States, the average temperature in April hovers around 11°C (52°F). Visitors can expect a range from a brisk -2°C (29°F) to a warm 29°C (84°F). The month sees approximately 116 mm (4.6 in) of precipitation spread over 13 days, contributing to an average humidity of 78%. Whether you're embracing the chill or enjoying the warmer days, be prepared for a diverse climate!

April Temperature in Westfield

In April in Westfield, the average temperature is 11°C (52°F), with maximums reaching 29°C (84°F) and minimums dropping as low as -2°C (29°F). Travelers should be prepared for a wide range of temperatures, so pack accordingly to enjoy your visit.

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 11°C (52°F), with highs reaching up to 29°C (84°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec333641526271777569594537
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 total precipitation amount reaches 116 mm (4.6 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 116 mm (4.6 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec691031001161239714612910013484108
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 78%. With an average temperature of 11°C (52°F), this humidity feels like a damp blanket wrapping around you, making outdoor activities somewhat uncomfortable and travel more challenging as you navigate the moist air.

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 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%82%81%78%70%69%62%65%68%74%82%80%
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 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 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 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356810101098642
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 Weather1°C (33°F)69 mm (2.7 inches)84%moderate
February Weather2°C (36°F)103 mm (4.1 inches)82%moderate
March Weather5°C (42°F)100 mm (3.9 inches)81%high
April Weather11°C (52°F)116 mm (4.6 inches)78%very high
May Weather17°C (62°F)123 mm (4.8 inches)69%very high
June Weather22°C (72°F)97 mm (3.8 inches)69%very high
July Weather25°C (78°F)146 mm (5.7 inches)62%very high
August Weather24°C (76°F)129 mm (5.1 inches)65%very high
September Weather21°C (70°F)100 mm (3.9 inches)68%very high
October Weather15°C (60°F)134 mm (5.3 inches)74%high
November Weather7°C (45°F)84 mm (3.3 inches)82%moderate
December Weather3°C (38°F)108 mm (4.3 inches)80%low

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