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April Weather in New London, United States

Last updated: June 24, 2025

In New London, United States, the average temperature in April is a mild 12°C (54°F). Expect variability, with minimums dipping as low as -7°C (20°F) and maximums soaring up to 30°C (86°F). During this time, you'll encounter about 105 mm (4.1 in) of precipitation spread over 10 days, contributing to an average humidity of around 80%. Prepare for a mix of cool breezes and occasional showers!

April Temperature in New London

In April in New London, the average temperature is 12°C (54°F). Maximum temperatures can reach 30°C (86°F), while minimum temperatures can drop to as low as -7°C (20°F). Travelers should be prepared for a wide range of temperatures, making it essential to pack accordingly for both warm and cold conditions.

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

The chart illustrates April 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, April typically has an average temperature of 12°C (54°F), with highs reaching up to 30°C (86°F) and lows dropping to around -7°C (20°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.

April Precipitation in New London

In New London in April, the precipitation amount is 105 mm (4.1 in) over the course of 10 days.

April Precipitation Trends in New London

The chart displays monthly precipitation patterns in New London, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In New London, April typically receives around 105 mm (4.1 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec666112210516411392109731025841
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in New London

In New London in April, humidity is 80%. With an average temperature of 12°C (54°F), this humidity feels like a heavy blanket that wraps around you, making it feel much cooler and damp. Traveling in these conditions might leave you feeling chilly and slightly uncomfortable, as the moisture in the air clings to your skin and clothes, turning each step into a soggy endeavor.

April Average Humidity in New London

This chart illustrates the average monthly humidity levels in New London, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in New London is approximately 80%, 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 April generated using information from the Copernicus Climate Change Service.

April UV Index in New London

In New London in April, 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 April

The chart shows the monthly maximum UV Index (UVI) for New London in April, 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 April, the maximum UV index in New London typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101110109643
Data source: New London April 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 April 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 April’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 April’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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