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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 19°C (67°F), making for a pleasantly mild climate. Expect temperature variations, with lows of 4°C (39°F) and peaks reaching 35°C (95°F). Keep an umbrella handy, as precipitation averages 164 mm (6.5 in) over 16 days, accompanied by high humidity at 82%.

May Temperature in New London

In May in New London, the average temperature is 19°C (67°F). Maximums can reach 35°C (95°F), and minimums can be as low as 4°C (39°F). This diverse temperature range makes New London an ideal destination for travelers looking to enjoy both warm days and cool evenings.

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 19°C (67°F), with highs reaching up to 35°C (95°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec303345546676797672584337
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 164 mm (6.5 in), spread over 16 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 164 mm (6.5 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec666112210516411392109731025841
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 82%. With an average temperature of 19°C (67°F), this humidity feels like a heavy blanket wrapping around you, making each step feel sluggish and the air thick as you explore the sights.

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 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%80%80%80%82%83%81%80%76%76%85%86%
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 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 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 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101110109643
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-1°C (30°F)66 mm (2.6 inches)82%moderate
February Weather0°C (33°F)61 mm (2.4 inches)80%moderate
March Weather7°C (46°F)122 mm (4.8 inches)80%high
April Weather12°C (54°F)105 mm (4.1 inches)80%very high
May Weather19°C (67°F)164 mm (6.5 inches)82%very high
June Weather25°C (77°F)113 mm (4.5 inches)83%extreme
July Weather26°C (80°F)92 mm (3.6 inches)81%very high
August Weather24°C (76°F)109 mm (4.3 inches)80%very high
September Weather22°C (72°F)73 mm (2.9 inches)76%very high
October Weather14°C (58°F)102 mm (4.0 inches)76%high
November Weather6°C (44°F)58 mm (2.3 inches)85%moderate
December Weather3°C (38°F)41 mm (1.6 inches)86%moderate

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