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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 2°C (36°F). Be prepared for a range of weather, as temperatures can dip to a minimum of -24°C (-11°F) and soar to a maximum of 21°C (70°F). Expect about 59 mm (2.3 in) of precipitation spread over 9 days, with an average humidity of a humid 85%.

March Temperature in Hartford

In March in Hartford, the average temperature is 2°C (36°F). Maximums can reach 21°C (70°F), while minimums can drop as low as -24°C (-11°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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 2°C (36°F), with highs reaching up to 21°C (70°F) and lows dropping to around -24°C (-11°F).
JanFebMarAprMayJunJulAugSepOctNovDec212336455970747165513629
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 59 mm (2.3 in) over the course of 9 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 59 mm (2.3 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec53495910612211110591941154545
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Hartford

In Hartford in March, humidity is 85%. With an average temperature of 2°C (36°F), this humidity feels like an icy blanket clinging to your skin, making travel challenging as the cold dampness seeps into your bones and fogs your breath.

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 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%85%85%85%78%80%78%76%79%83%88%82%
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 reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, 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 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34589101097532
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 Weather-6°C (22°F)53 mm (2.1 inches)85%moderate
February Weather-5°C (23°F)49 mm (1.9 inches)85%moderate
March Weather2°C (36°F)59 mm (2.3 inches)85%moderate
April Weather7°C (46°F)106 mm (4.2 inches)85%very high
May Weather15°C (59°F)122 mm (4.8 inches)78%very high
June Weather21°C (70°F)111 mm (4.4 inches)80%very high
July Weather23°C (74°F)105 mm (4.1 inches)78%very high
August Weather22°C (71°F)91 mm (3.6 inches)76%very high
September Weather18°C (65°F)94 mm (3.7 inches)79%high
October Weather11°C (52°F)115 mm (4.5 inches)83%moderate
November Weather2°C (37°F)44 mm (1.8 inches)88%moderate
December Weather-1°C (30°F)45 mm (1.8 inches)81%low

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