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March Weather in Trumbull, United States

Last updated: June 24, 2025

In Trumbull, United States, the average temperature in March hovers around 4°C (40°F). Prepare for a range of conditions, as temperatures can dip to a chilly -11°C (13°F) or climb to a comfortable 23°C (73°F). Expect 99 mm (3.9 in) of precipitation spread over approximately 10 days, and be ready for a rather humid atmosphere with an average humidity of 81%.

March Temperature in Trumbull

In March in Trumbull, the average temperature is 4°C (40°F), with maximums reaching 23°C (73°F) and minimums dropping as low as -11°C (13°F). This varying climate makes it essential for travelers to pack both warm and light clothing to comfortably enjoy their visit.

March Weather in Trumbull: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Trumbull, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Trumbull, March typically has an average temperature of 4°C (40°F), with highs reaching up to 23°C (73°F) and lows dropping to around -11°C (13°F).
JanFebMarAprMayJunJulAugSepOctNovDec323539495969757468594537
Data source: Temperature data for Trumbull 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 Trumbull

In Trumbull in March, the total precipitation amount is 99 mm (3.9 in) spread over a period of 10 days.

March Precipitation Trends in Trumbull

The chart displays monthly precipitation patterns in Trumbull, 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 Trumbull, March typically receives around 99 mm (3.9 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec771149913511995132102105152101135
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Trumbull

In Trumbull in March humidity is 81%. With an average temperature of 4°C (40°F), this humidity feels like a damp chill that can make traveling quite uncomfortable, as the cold air clings uncomfortably to your skin and the moisture can quickly sap your body heat.

March Average Humidity in Trumbull

This chart illustrates the average monthly humidity levels in Trumbull, 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 Trumbull 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 Trumbull

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

Maximum UV Index Levels in Trumbull for March

The chart shows the monthly maximum UV Index (UVI) for Trumbull 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 Trumbull typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35681010998642
Data source: Trumbull 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 Trumbull Compares to Other Months

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

This table compares monthly weather conditions in Trumbull, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)77 mm (3.0 inches)84%moderate
February Weather1°C (35°F)114 mm (4.5 inches)82%moderate
March Weather4°C (40°F)99 mm (3.9 inches)81%high
April Weather9°C (49°F)135 mm (5.3 inches)78%very high
May Weather15°C (59°F)119 mm (4.7 inches)69%very high
June Weather20°C (69°F)95 mm (3.7 inches)69%very high
July Weather24°C (76°F)132 mm (5.2 inches)62%very high
August Weather23°C (74°F)102 mm (4.0 inches)65%very high
September Weather20°C (68°F)105 mm (4.1 inches)68%very high
October Weather15°C (59°F)152 mm (6.0 inches)74%high
November Weather7°C (46°F)100 mm (4.0 inches)82%moderate
December Weather3°C (37°F)135 mm (5.3 inches)80%low

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