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May Weather in Westwood, United States

Last updated: June 24, 2025

In May, the average temperature in Westwood, United States hovers around 15°C (60°F). However, be prepared for a temperature range that can dip as low as -3°C (27°F) and soar up to 34°C (93°F). Expect a damp atmosphere with an average humidity of 82% and approximately 158 mm (6.2 in) of precipitation spread over 15 days. Stay prepared for a mix of mild weather and occasional showers!

May Temperature in Westwood

In May in Westwood, the average temperature is 15°C (60°F), with maximums reaching up to 34°C (93°F) and minimums dropping as low as -3°C (27°F). Be prepared for a wide range of temperatures while traveling, so pack accordingly!

May Weather in Westwood: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Westwood, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Westwood, May typically has an average temperature of 15°C (60°F), with highs reaching up to 34°C (93°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec272837476070747266543933
Data source: Temperature data for Westwood 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.

May Precipitation in Westwood

In Westwood in May, the precipitation amount is 158 mm (6.2 in) over the course of 15 days.

May Precipitation Trends in Westwood

The chart displays monthly precipitation patterns in Westwood, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Westwood, May typically receives around 158 mm (6.2 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec7475869915813111183881417266
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Westwood

In Westwood in May humidity is 82%. With an average temperature of 15°C (60°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel sticky and draining, which can hinder your travel experience.

May Average Humidity in Westwood

This chart illustrates the average monthly humidity levels in Westwood, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Westwood is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%87%86%87%82%81%78%79%80%82%87%86%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Westwood

In Westwood in May, 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 Westwood.

Maximum UV Index Levels in Westwood for May

The chart shows the monthly maximum UV Index (UVI) for Westwood in May, 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 May, the maximum UV index in Westwood typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34689101097532
Data source: Westwood May 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 May Weather in Westwood Compares to Other Months

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

This table compares monthly weather conditions in Westwood, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (27°F)74 mm (2.9 inches)87%moderate
February Weather-2°C (28°F)75 mm (3.0 inches)87%moderate
March Weather3°C (38°F)86 mm (3.4 inches)86%high
April Weather8°C (47°F)99 mm (3.9 inches)87%very high
May Weather15°C (60°F)158 mm (6.2 inches)82%very high
June Weather21°C (71°F)131 mm (5.1 inches)81%very high
July Weather24°C (75°F)111 mm (4.4 inches)78%very high
August Weather22°C (72°F)83 mm (3.3 inches)79%very high
September Weather19°C (66°F)88 mm (3.5 inches)79%high
October Weather12°C (54°F)141 mm (5.6 inches)82%moderate
November Weather4°C (39°F)72 mm (2.8 inches)87%moderate
December Weather1°C (33°F)65 mm (2.6 inches)86%low

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