March Weather in New London, United States

Last updated: June 24, 2025

In New London, United States, the average temperature in March hovers around 5°C (42°F). Expect a chilly experience, as temperatures can drop to a minimum of -19°C (-2°F), while reaching a pleasant maximum of 23°C (74°F). Precipitation is relatively high, with 92 mm (3.6 in) expected over 11 days, and you'll likely feel the dampness in the air, as average humidity stands at a notable 81%.

March Temperature in New London

In March in New London, the average temperature is 5°C (42°F), with maximums reaching 23°C (74°F) and minimums dropping as low as -19°C (-2°F). This varied climate means travelers should pack for both warm and cold weather when visiting.

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

The chart illustrates March 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, March typically has an average temperature of 5°C (42°F), with highs reaching up to 23°C (74°F) and lows dropping to around -19°C (-2°F).
JanFebMarAprMayJunJulAugSepOctNovDec252741506475787569554033
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.

March Precipitation in New London

In New London in March, the precipitation amount is 92 mm (3.6 in) spread over 11 days.

March Precipitation Trends in New London

The chart displays monthly precipitation patterns in New London, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In New London, March typically receives around 92 mm (3.6 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec5459928716414572721101325146
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in New London

In New London in March, humidity is 81%. With an average temperature of 5°C (42°F), this humidity feels like a damp chill that seeps into your bones, making outdoor adventures feel more daunting and travel less invigorating.

March Average Humidity in New London

This chart illustrates the average monthly humidity levels in New London, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in New London is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%81%81%82%78%81%79%77%78%79%87%84%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in New London

In New London in March, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in New London, you can refer to this Hourly UV Index in New London.

Maximum UV Index Levels in New London for March

The chart shows the monthly maximum UV Index (UVI) for New London in March, 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 March, the maximum UV index in New London typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35689111098643
Data source: New London March 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 March 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 March’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 March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)54 mm (2.1 inches)81%moderate
February Weather-3°C (27°F)59 mm (2.3 inches)81%moderate
March Weather5°C (42°F)92 mm (3.6 inches)81%high
April Weather10°C (51°F)87 mm (3.4 inches)82%very high
May Weather18°C (64°F)164 mm (6.5 inches)78%very high
June Weather24°C (75°F)145 mm (5.7 inches)81%extreme
July Weather25°C (78°F)72 mm (2.8 inches)79%very high
August Weather24°C (75°F)72 mm (2.8 inches)77%very high
September Weather21°C (70°F)110 mm (4.3 inches)78%very high
October Weather13°C (55°F)132 mm (5.2 inches)78%high
November Weather4°C (40°F)51 mm (2.0 inches)87%moderate
December Weather1°C (33°F)46 mm (1.8 inches)84%moderate

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