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May Weather in New London, United States

Last updated: June 24, 2025

In May, the average temperature in New London, United States hovers around 14°C (57°F). Expect a minimum of -2°C (28°F) and a maximum of 34°C (94°F), showcasing a diverse range of weather conditions. Prepare for about 109 mm (4.3 in) of precipitation spread over 12 days, contributing to an average humidity level of 77%. Stay equipped for an array of weather experiences!

May Temperature in New London

In May in New London, the average temperature is 14°C (57°F). Maximum temperatures can reach 34°C (94°F), while minimums can drop as low as -2°C (28°F). Be prepared for a wide range of temperatures if you plan to travel during this month.

May Weather in New London: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in New London, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In New London, May typically has an average temperature of 14°C (57°F), with highs reaching up to 34°C (94°F) and lows dropping to around -2°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec191933435768736962493425
Data source: Temperature data for New London 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 New London

In New London in May, the total precipitation amount is 109 mm (4.3 in) during a span of 12 days.

May Precipitation Trends in New London

The chart displays monthly precipitation patterns in New London, 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 New London, May typically receives around 109 mm (4.3 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec394961102109104116114791025155
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in New London

In New London in May, humidity is 77%. With an average temperature of 14°C (57°F), this humidity feels like a heavy blanket wrapping around you, making outdoor exploration feel muggy and leaving you craving the shade while you travel.

May Average Humidity in New London

This chart illustrates the average monthly humidity levels in New London, 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 New London is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%90%87%84%77%75%75%73%78%84%89%87%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in New London

In New London 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 New London.

Maximum UV Index Levels in New London for May

The chart shows the monthly maximum UV Index (UVI) for New London 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 New London typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34589101097532
Data source: New London 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 New London Compares to Other Months

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

This table compares monthly weather conditions in New London, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-7°C (20°F)39 mm (1.5 inches)89%moderate
February Weather-7°C (20°F)49 mm (1.9 inches)90%moderate
March Weather0°C (33°F)61 mm (2.4 inches)87%moderate
April Weather6°C (43°F)102 mm (4.0 inches)84%very high
May Weather14°C (57°F)109 mm (4.3 inches)77%very high
June Weather20°C (69°F)104 mm (4.1 inches)75%very high
July Weather23°C (73°F)115 mm (4.5 inches)74%very high
August Weather21°C (70°F)114 mm (4.5 inches)73%very high
September Weather17°C (62°F)79 mm (3.1 inches)78%high
October Weather9°C (49°F)101 mm (4.0 inches)84%moderate
November Weather1°C (35°F)51 mm (2.0 inches)89%moderate
December Weather-4°C (26°F)55 mm (2.2 inches)87%low

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