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May Weather in Saybrook, United States

Last updated: June 24, 2025

In Saybrook, United States, the average temperature in May hovers around 18°C (64°F), with a range that can dip to a chill 0°C (32°F) and peak at a warm 35°C (95°F). This month sees 151 mm (5.9 in) of precipitation over approximately 15 days, contributing to an average humidity level of 79%.

May Temperature in Saybrook

In May in Saybrook, the average temperature is 18°C (64°F), with maximums reaching 35°C (95°F) and minimums dropping as low as 0°C (32°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates May temperature patterns in Saybrook, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saybrook, May typically has an average temperature of 18°C (64°F), with highs reaching up to 35°C (95°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec273042516474777470564135
Data source: Temperature data for Saybrook 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 Saybrook

In Saybrook in May, the precipitation amount is 151 mm (5.9 in) over a period of 15 days.

May Precipitation Trends in Saybrook

The chart displays monthly precipitation patterns in Saybrook, 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 Saybrook, May typically receives around 151 mm (5.9 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec67711131161511108799671236554
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Saybrook

In Saybrook in May, humidity is 79%. With an average temperature of 18°C (64°F), this humidity feels like a warm, sticky embrace that can make outdoor activities more challenging but also creates a lush, vibrant atmosphere that's perfect for exploring local culture and scenery.

May Average Humidity in Saybrook

This chart illustrates the average monthly humidity levels in Saybrook, 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 Saybrook is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%83%84%85%79%82%80%81%80%82%88%84%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Saybrook

In Saybrook 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 Saybrook.

Maximum UV Index Levels in Saybrook for May

The chart shows the monthly maximum UV Index (UVI) for Saybrook 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 Saybrook typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910111098642
Data source: Saybrook 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 Saybrook Compares to Other Months

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

This table compares monthly weather conditions in Saybrook, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (28°F)67 mm (2.6 inches)82%moderate
February Weather-1°C (30°F)71 mm (2.8 inches)83%moderate
March Weather5°C (42°F)112 mm (4.4 inches)84%high
April Weather11°C (51°F)116 mm (4.6 inches)85%very high
May Weather18°C (64°F)151 mm (5.9 inches)79%very high
June Weather23°C (74°F)110 mm (4.3 inches)82%extreme
July Weather25°C (77°F)87 mm (3.4 inches)80%very high
August Weather23°C (74°F)99 mm (3.9 inches)81%very high
September Weather21°C (70°F)67 mm (2.7 inches)80%very high
October Weather14°C (57°F)123 mm (4.8 inches)82%high
November Weather5°C (41°F)65 mm (2.6 inches)88%moderate
December Weather1°C (35°F)54 mm (2.1 inches)84%low

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