March Weather in Hartford, United States

Last updated: June 24, 2025

In Hartford, United States, the average temperature in March hovers around 13°C (55°F). During this month, temperatures can vary widely, with minimums plunging to -9°C (16°F) and soaring to a maximum of 32°C (91°F). Expect 114 mm (4.5 in) of precipitation over approximately 11 days, contributing to an average humidity of 77%.

March Temperature in Hartford

In March in Hartford, the average temperature is 13°C (55°F). Maximums can reach 32°C (91°F), while minimums can dip as low as -9°C (16°F). Be prepared for a wide range of temperatures if you're planning to travel during this time.

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 13°C (55°F), with highs reaching up to 32°C (91°F) and lows dropping to around -9°C (16°F).
JanFebMarAprMayJunJulAugSepOctNovDec414455607078818076635146
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 total precipitation amount is 114 mm (4.5 in) spread over 11 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 114 mm (4.5 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec751201141371888782106611236285
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 77%. With an average temperature of 13°C (55°F), this humidity feels like a damp chill in the air, making travel somewhat uncomfortable as the moisture clings to your skin and adds a heavier weight to your clothing, which can sap your energy as you explore.

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 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%79%77%78%82%81%75%61%59%69%82%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.
JanFebMarAprMayJunJulAugSepOctNovDec46710111111109754
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 Weather5°C (42°F)74 mm (2.9 inches)82%moderate
February Weather7°C (45°F)119 mm (4.7 inches)79%high
March Weather13°C (55°F)114 mm (4.5 inches)77%high
April Weather16°C (61°F)137 mm (5.4 inches)78%very high
May Weather21°C (70°F)188 mm (7.4 inches)82%extreme
June Weather26°C (78°F)87 mm (3.4 inches)81%extreme
July Weather27°C (82°F)82 mm (3.2 inches)75%extreme
August Weather26°C (80°F)106 mm (4.2 inches)61%very high
September Weather24°C (76°F)61 mm (2.4 inches)59%very high
October Weather17°C (63°F)123 mm (4.8 inches)69%high
November Weather11°C (51°F)62 mm (2.5 inches)82%moderate
December Weather8°C (47°F)85 mm (3.4 inches)87%moderate

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