April Weather in Westfield, United States

Last updated: June 24, 2025

In Westfield, United States, the average temperature in April hovers around 12°C (53°F). Be prepared for varying conditions, as temperatures can dip as low as -5°C (23°F) and soar to a warm 29°C (84°F). Expect about 114 mm (4.5 in) of precipitation over 11 days, accompanied by a high average humidity of 83%. Embrace the lively climate of Westfield this April!

April Temperature in Westfield

In April, in Westfield, the average temperature is 12°C (53°F). Maximum temperatures can reach 29°C (84°F), while minimums can drop as low as -5°C (23°F). This wide temperature range makes Westfield an ideal destination for travelers seeking both warm days and cooler evenings, so be sure to pack accordingly!

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 12°C (53°F), with highs reaching up to 29°C (84°F) and lows dropping to around -5°C (23°F).
JanFebMarAprMayJunJulAugSepOctNovDec303344536675787571584237
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 is 114 mm (4.5 in) spread over 11 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 114 mm (4.5 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec8083130114138110118114681129170
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 83%. With an average temperature of 12°C (53°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and necessitating layers to stay comfortable while traveling.

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 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%82%84%83%80%83%82%83%79%79%88%87%
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 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 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 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910111098643
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-1°C (30°F)80 mm (3.1 inches)84%moderate
February Weather1°C (34°F)83 mm (3.3 inches)82%moderate
March Weather7°C (44°F)130 mm (5.1 inches)84%high
April Weather12°C (53°F)114 mm (4.5 inches)83%very high
May Weather19°C (66°F)138 mm (5.4 inches)80%very high
June Weather24°C (75°F)110 mm (4.3 inches)83%extreme
July Weather25°C (78°F)118 mm (4.7 inches)82%very high
August Weather24°C (75°F)114 mm (4.5 inches)82%very high
September Weather21°C (71°F)68 mm (2.7 inches)79%very high
October Weather14°C (58°F)112 mm (4.4 inches)79%high
November Weather6°C (42°F)91 mm (3.6 inches)88%moderate
December Weather3°C (37°F)70 mm (2.8 inches)87%moderate

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