August Weather in Westfield, United States

Last updated: June 24, 2025

In August, the average temperature in Westfield, United States hovers around 19°C (66°F), making for mild days and cool nights. Be prepared for temperatures that can dip as low as 4°C (40°F) and spike up to a toasty 33°C (91°F). With an average precipitation of 90 mm (3.5 in) spread over 10 days, it's wise to pack an umbrella! Expect a high humidity level of 83%, adding a touch of tropical warmth to your experience.

August Temperature in Westfield

In August in Westfield, the average temperature is 19°C (66°F). The maximum can reach 33°C (91°F), and the minimum can be as low as 4°C (40°F). This makes the weather in Westfield during August ideal for travelers seeking a mix of warm days and cooler evenings.

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

The chart illustrates August 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, August typically has an average temperature of 19°C (66°F), with highs reaching up to 33°C (91°F) and lows dropping to around 4°C (40°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.

August Precipitation in Westfield

In Westfield in August, the precipitation amount is 90 mm (3.5 in) over the course of 10 days.

August Precipitation Trends in Westfield

The chart displays monthly precipitation patterns in Westfield, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Westfield, August typically receives around 90 mm (3.5 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec937976111108911179097112114103
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Westfield

In Westfield in August, humidity is 83%. With an average temperature of 19°C (66°F), this humidity feels like a heavy blanket wrapping around you, making travel feel more sluggish and muggy, yet there's a refreshing coolness in the air that invites you to explore.

August Average Humidity in Westfield

This chart illustrates the average monthly humidity levels in Westfield, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Westfield is approximately 83%, 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 August generated using information from the Copernicus Climate Change Service.

August UV Index in Westfield

In Westfield in August, 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 August

The chart shows the monthly maximum UV Index (UVI) for Westfield in August, 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 August, the maximum UV index in Westfield typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2357810887532
Data source: Westfield August 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 August 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 August’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 August’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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