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May Weather in Westwood, United States

Last updated: June 24, 2025

In Westwood, United States during the month of May, the average temperature hovers around 17°C (64°F). Temperatures can vary significantly, dipping as low as 1°C (34°F) and soaring up to 34°C (93°F). With an average humidity of 78%, you can expect a certain level of mugginess. Additionally, prepare for 141 mm (5.5 in) of precipitation spread over 14 days, so don't forget your umbrella!

May Temperature in Westwood

In May in Westwood, the average temperature is 17°C (64°F), with maximums reaching 34°C (93°F) and minimums dropping as low as 1°C (34°F). This makes it essential to pack layers and be prepared for varying weather conditions while exploring the area.

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 17°C (64°F), with highs reaching up to 34°C (93°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec343743536372787570604538
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 reaches 141 mm (5.5 in) over a span of 14 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 141 mm (5.5 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec6710810710814111815115710910387103
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 78%. With average temperature 17°C (64°F), this humidity feels like a warm embrace, making travel feel sticky and heavy, as the air wraps around you and the moments spent outdoors leave you longing for a cool respite.

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 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%83%83%81%78%79%74%72%75%81%85%84%
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 reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more 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 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098642
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 Weather1°C (35°F)67 mm (2.6 inches)84%moderate
February Weather3°C (38°F)108 mm (4.3 inches)83%moderate
March Weather6°C (43°F)107 mm (4.2 inches)83%high
April Weather12°C (54°F)108 mm (4.2 inches)81%very high
May Weather17°C (64°F)141 mm (5.5 inches)78%very high
June Weather22°C (73°F)118 mm (4.7 inches)79%very high
July Weather25°C (78°F)151 mm (5.9 inches)74%very high
August Weather24°C (75°F)157 mm (6.2 inches)72%very high
September Weather21°C (70°F)109 mm (4.3 inches)75%very high
October Weather15°C (60°F)103 mm (4.0 inches)81%high
November Weather7°C (45°F)87 mm (3.4 inches)85%moderate
December Weather3°C (39°F)103 mm (4.1 inches)84%low

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