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March Weather in East Haven, United States

Last updated: June 24, 2025

In March, the average temperature in East Haven, United States hovers around 4°C (39°F). However, temperatures can vary significantly, with minimums dipping to -9°C (16°F) and maximums reaching up to 18°C (64°F). Expect a fair amount of precipitation, averaging 104 mm (4.1 in) over 9 days, while humidity remains relatively high at 81%.

March Temperature in East Haven

In March in East Haven, the average temperature is 4°C (39°F), with a maximum that can reach 18°C (64°F) and a minimum that can drop as low as -9°C (16°F). Be prepared for a wide range of temperatures if you're planning to visit during this time!

March Weather in East Haven: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in East Haven, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In East Haven, March typically has an average temperature of 4°C (39°F), with highs reaching up to 18°C (64°F) and lows dropping to around -9°C (16°F).
JanFebMarAprMayJunJulAugSepOctNovDec343539475666747469604739
Data source: Temperature data for East Haven 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 East Haven

In East Haven in March, the precipitation amount is 104 mm (4.1 in) over the course of 9 days.

March Precipitation Trends in East Haven

The chart displays monthly precipitation patterns in East Haven, 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 East Haven, March typically receives around 104 mm (4.1 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec83115104141121841309299152105152
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in East Haven

In East Haven in March, humidity is 81%. With an average temperature of 4°C (39°F), this humidity feels like a chilling dampness that penetrates even the warmest layers of clothing, making outdoor exploration uncomfortable and prompting travelers to seek refuge indoors.

March Average Humidity in East Haven

This chart illustrates the average monthly humidity levels in East Haven, 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 East Haven is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%82%81%78%70%69%62%65%68%74%82%80%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in East Haven

In East Haven 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 East Haven, you can refer to this Hourly UV Index in East Haven.

Maximum UV Index Levels in East Haven for March

The chart shows the monthly maximum UV Index (UVI) for East Haven 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 East Haven typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3568910998642
Data source: East Haven 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 East Haven Compares to Other Months

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

This table compares monthly weather conditions in East Haven, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)83 mm (3.3 inches)84%moderate
February Weather2°C (35°F)115 mm (4.5 inches)82%moderate
March Weather4°C (39°F)104 mm (4.1 inches)81%high
April Weather8°C (47°F)141 mm (5.5 inches)78%very high
May Weather13°C (57°F)121 mm (4.8 inches)69%very high
June Weather19°C (66°F)84 mm (3.3 inches)69%very high
July Weather23°C (74°F)129 mm (5.1 inches)62%very high
August Weather23°C (74°F)92 mm (3.6 inches)65%very high
September Weather20°C (69°F)99 mm (3.9 inches)68%very high
October Weather16°C (60°F)152 mm (6.0 inches)74%high
November Weather9°C (48°F)105 mm (4.1 inches)82%moderate
December Weather4°C (39°F)151 mm (6.0 inches)80%low

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