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May Weather in New London, United States

Last updated: June 24, 2025

The average temperature in New London, United States during May is a mild 14°C (58°F). However, temperatures can range from a chilly 0°C (32°F) to a warm 34°C (93°F). Expect 99 mm (3.9 in) of precipitation spread over 11 days, contributing to an average humidity of 76%.

May Temperature in New London

In May in New London, the average temperature is 14°C (58°F). The maximum can reach 34°C (93°F), while the minimum can drop as low as 0°C (32°F). Be prepared for a wide range of temperatures to make the most of your travel experience.

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 (58°F), with highs reaching up to 34°C (93°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec141431415871737063473222
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 precipitation amount is 99 mm (3.9 in) over the course of 11 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 99 mm (3.9 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec192150759986100140114982741
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 76%. With an average temperature of 14°C (58°F), this humidity feels like a warm, thick blanket wrapping around you, making outdoor activities feel sticky and draining, and prompting travelers to seek shade and stay hydrated often.

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 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%89%81%82%76%81%82%83%82%82%87%84%
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.
JanFebMarAprMayJunJulAugSepOctNovDec3567910997532
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-10°C (14°F)19 mm (0.7 inches)85%moderate
February Weather-10°C (15°F)21 mm (0.8 inches)89%moderate
March Weather-1°C (31°F)50 mm (2.0 inches)81%high
April Weather5°C (42°F)75 mm (3.0 inches)82%high
May Weather14°C (58°F)99 mm (3.9 inches)76%very high
June Weather22°C (71°F)86 mm (3.4 inches)81%very high
July Weather23°C (74°F)100 mm (4.0 inches)82%very high
August Weather21°C (70°F)140 mm (5.5 inches)83%very high
September Weather17°C (63°F)114 mm (4.5 inches)82%high
October Weather8°C (47°F)98 mm (3.9 inches)82%moderate
November Weather0°C (32°F)27 mm (1.1 inches)87%moderate
December Weather-6°C (22°F)41 mm (1.6 inches)84%low

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