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May Weather in West Haven, United States

Last updated: June 24, 2025

In West Haven, United States, the average temperature in May hovers around 13°C (56°F). However, temperatures can fluctuate with a minimum of -1°C (30°F) and a maximum of 32°C (90°F), showcasing a wide range of conditions. Expect about 53 mm (2.1 in) of precipitation spread over 8 days, and average humidity levels are around 62%. Stay prepared for varying weather!

May Temperature in West Haven

In May in West Haven, the average temperature is 13°C (56°F). Maximums can reach 32°C (90°F), while minimums can drop as low as -1°C (30°F). Be prepared for a wide range of temperatures if you plan to travel during this time.

May Weather in West Haven: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in West Haven, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In West Haven, May typically has an average temperature of 13°C (56°F), with highs reaching up to 32°C (90°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec262938465668777464473827
Data source: Temperature data for West Haven 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 West Haven

In West Haven in May, the total precipitation amount is 53 mm (2.1 in) over the course of 8 days.

May Precipitation Trends in West Haven

The chart displays monthly precipitation patterns in West Haven, 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 West Haven, May typically receives around 53 mm (2.1 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec596954645318101730434351
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in West Haven

In West Haven in May, humidity is 62%. With an average temperature of 13°C (56°F), this humidity feels like a chill in the air that adds a touch of dampness to your travels, making it essential to dress in layers for comfort while exploring the sights.

May Average Humidity in West Haven

This chart illustrates the average monthly humidity levels in West Haven, 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 West Haven is approximately 62%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%92%84%75%62%56%44%37%46%67%84%88%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in West Haven

In West Haven 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 West Haven.

Maximum UV Index Levels in West Haven for May

The chart shows the monthly maximum UV Index (UVI) for West Haven 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 West Haven typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101111109643
Data source: West Haven 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 West Haven Compares to Other Months

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

This table compares monthly weather conditions in West Haven, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (26°F)58 mm (2.3 inches)91%moderate
February Weather-2°C (30°F)69 mm (2.7 inches)92%moderate
March Weather3°C (38°F)54 mm (2.1 inches)84%high
April Weather8°C (47°F)64 mm (2.5 inches)74%very high
May Weather13°C (56°F)53 mm (2.1 inches)62%very high
June Weather20°C (69°F)18 mm (0.7 inches)56%extreme
July Weather25°C (77°F)10 mm (0.4 inches)44%extreme
August Weather23°C (74°F)17 mm (0.7 inches)37%very high
September Weather18°C (64°F)30 mm (1.2 inches)46%very high
October Weather9°C (48°F)43 mm (1.7 inches)67%high
November Weather3°C (38°F)43 mm (1.7 inches)84%moderate
December Weather-3°C (27°F)51 mm (2.0 inches)88%moderate

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