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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 11°C (53°F). Expect a range from a chilly -8°C (18°F) to a warm 29°C (84°F). Be prepared for some rain, as there's an average precipitation of 58 mm (2.3 in) spread over 9 days, and humidity levels can reach a comfortable 72%.

May Temperature in Westwood

In May in Westwood, the average temperature is 11°C (53°F), with maximums reaching 29°C (84°F) and minimums dropping as low as -8°C (18°F). This range makes it essential to pack for both warm and cool weather when traveling to Westwood during this time.

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 11°C (53°F), with highs reaching up to 29°C (84°F) and lows dropping to around -8°C (18°F).
JanFebMarAprMayJunJulAugSepOctNovDec313235435363727061493930
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 58 mm (2.3 in) spread over 9 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 58 mm (2.3 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec16217614373581668194279131
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 72%. With an average temperature of 11°C (53°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities slightly uncomfortable and the air heavy, which can dampen the enjoyment of sightseeing and exploring.

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 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%87%86%83%72%67%56%42%46%67%86%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 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. 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 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec45810121211119753
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 Weather0°C (31°F)162 mm (6.4 inches)86%moderate
February Weather0°C (32°F)176 mm (6.9 inches)87%moderate
March Weather2°C (35°F)143 mm (5.6 inches)86%very high
April Weather6°C (43°F)73 mm (2.9 inches)83%very high
May Weather11°C (53°F)58 mm (2.3 inches)72%extreme
June Weather17°C (64°F)16 mm (0.6 inches)67%extreme
July Weather22°C (72°F)6 mm (0.2 inches)56%extreme
August Weather21°C (70°F)8 mm (0.3 inches)42%extreme
September Weather16°C (62°F)19 mm (0.7 inches)46%very high
October Weather9°C (49°F)42 mm (1.6 inches)67%high
November Weather4°C (39°F)79 mm (3.1 inches)86%moderate
December Weather-1°C (30°F)131 mm (5.2 inches)86%moderate

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