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March Weather in Hartford, United States

Last updated: June 24, 2025

In Hartford, United States, the average temperature in March hovers around 10°C (50°F), while extremes can range from a chilly -11°C (13°F) to a warm 27°C (82°F). This month typically sees 129 mm (5.1 in) of precipitation spread over about 14 days, contributing to a high average humidity of 86%. Enjoy the diverse weather but remember to pack accordingly!

March Temperature in Hartford

In March in Hartford, the average temperature is 10°C (50°F). Maximum temperatures can reach 27°C (82°F), while minimums can drop as low as -11°C (13°F). Travelers should be prepared for a wide range of weather conditions, from mild to quite chilly.

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

The chart illustrates March temperature patterns in Hartford, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hartford, March typically has an average temperature of 10°C (50°F), with highs reaching up to 27°C (82°F) and lows dropping to around -11°C (13°F).
JanFebMarAprMayJunJulAugSepOctNovDec374150586976807873624643
Data source: Temperature data for Hartford 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 Hartford

In Hartford in March, the precipitation amount is 129 mm (5.1 in) over the course of 14 days.

March Precipitation Trends in Hartford

The chart displays monthly precipitation patterns in Hartford, 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 Hartford, March typically receives around 129 mm (5.1 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec931501291491261251039210311593106
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

March Humidity in Hartford

In Hartford in March humidity is 86%. With an average temperature of 10°C (50°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities uncomfortable and sticky, which can dampen the spirit of travel.

March Average Humidity in Hartford

This chart illustrates the average monthly humidity levels in Hartford, 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 Hartford is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%86%86%82%83%83%80%74%71%78%88%88%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Hartford

In Hartford in March, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Hartford.

Maximum UV Index Levels in Hartford for March

The chart shows the monthly maximum UV Index (UVI) for Hartford 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 Hartford typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36710101110109753
Data source: Hartford 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 Hartford Compares to Other Months

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

This table compares monthly weather conditions in Hartford, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (37°F)93 mm (3.7 inches)87%moderate
February Weather5°C (42°F)150 mm (5.9 inches)86%high
March Weather10°C (50°F)129 mm (5.1 inches)86%high
April Weather14°C (58°F)149 mm (5.9 inches)82%very high
May Weather21°C (70°F)126 mm (5.0 inches)82%very high
June Weather25°C (77°F)125 mm (4.9 inches)83%extreme
July Weather27°C (80°F)103 mm (4.1 inches)80%very high
August Weather25°C (78°F)92 mm (3.6 inches)74%very high
September Weather23°C (73°F)103 mm (4.1 inches)71%very high
October Weather17°C (62°F)115 mm (4.5 inches)78%high
November Weather8°C (47°F)93 mm (3.7 inches)88%moderate
December Weather6°C (43°F)106 mm (4.2 inches)88%moderate

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