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May Weather in Sandwich, United States

Last updated: June 24, 2025

In May, the average temperature in Sandwich, United States hovers around 16°C (61°F), with a range that can dip to a chilly -1°C (30°F) or soar to a warm 33°C (92°F). This month sees a substantial precipitation amount of 157 mm (6.2 in) over approximately 16 days, contributing to the area's high average humidity of 79%.

May Temperature in Sandwich

In May in Sandwich, the average temperature is 16°C (61°F). Maximum temperatures can reach 33°C (92°F), while the minimum can drop as low as -1°C (30°F). Travelers should be prepared for a wide range of temperatures, so packing layered clothing is advisable.

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

The chart illustrates May temperature patterns in Sandwich, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sandwich, May typically has an average temperature of 16°C (61°F), with highs reaching up to 33°C (92°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec252739486172757267543932
Data source: Temperature data for Sandwich 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 Sandwich

In Sandwich in May, the total precipitation amount is 157 mm (6.2 in) spread over 16 days.

May Precipitation Trends in Sandwich

The chart displays monthly precipitation patterns in Sandwich, 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 Sandwich, May typically receives around 157 mm (6.2 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec636186117157139112811021295652
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Sandwich

In Sandwich in May humidity is 79%. With an average temperature of 16°C (61°F), this humidity feels like a warm, moist embrace, making travel a bit more challenging as the air tends to weigh heavily, but it also offers a refreshing atmosphere perfect for exploring local sights and enjoying nature.

May Average Humidity in Sandwich

This chart illustrates the average monthly humidity levels in Sandwich, 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 Sandwich 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 Sandwich

In Sandwich 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 Sandwich.

Maximum UV Index Levels in Sandwich for May

The chart shows the monthly maximum UV Index (UVI) for Sandwich 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 Sandwich typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34689101098642
Data source: Sandwich 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 Sandwich Compares to Other Months

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

This table compares monthly weather conditions in Sandwich, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)63 mm (2.5 inches)82%moderate
February Weather-3°C (27°F)61 mm (2.4 inches)83%moderate
March Weather4°C (40°F)86 mm (3.4 inches)84%high
April Weather9°C (49°F)117 mm (4.6 inches)85%very high
May Weather16°C (61°F)157 mm (6.2 inches)79%very high
June Weather22°C (72°F)139 mm (5.5 inches)82%very high
July Weather24°C (75°F)112 mm (4.4 inches)80%very high
August Weather22°C (73°F)81 mm (3.2 inches)81%very high
September Weather20°C (68°F)102 mm (4.0 inches)80%very high
October Weather12°C (54°F)128 mm (5.1 inches)82%high
November Weather4°C (39°F)56 mm (2.2 inches)88%moderate
December Weather0°C (33°F)52 mm (2.0 inches)84%low

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