March Weather in Hartford, United States

Last updated: June 24, 2025

In March, the average temperature in Hartford, United States is a brisk 2°C (35°F). While the mercury can plummet to a chilly -27°C (-16°F), it can also rise to a pleasant 26°C (78°F). Expect 65 mm (2.5 in) of precipitation over about 7 days, with an average humidity level of 75%, creating a refreshing yet cool atmosphere.

March Temperature in Hartford

In March in Hartford, the average temperature is 2°C (35°F). Maximum can reach 26°C (78°F) and minimum can be as low as -27°C (-16°F). Travelers should be prepared for a wide range of temperatures, ensuring they pack layers for both warm and cold conditions.

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 (35°F), with highs reaching up to 26°C (78°F) and lows dropping to around -27°C (-16°F).

Data source: Temperature data for Hartford generated using information from the Copernicus Climate Change Service.

March Precipitation in Hartford

In Hartford in March, the precipitation amount is 65 mm (2.5 in) over a span of 7 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 65 mm (2.5 inches) of precipitation spread over approximately 7 days.

Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

March Humidity in Hartford

In Hartford in March humidity is 75%. With an average temperature of 2°C (35°F), this humidity feels like a cold, damp blanket wrapping around you, making outdoor exploration quite challenging and necessitating layers of warm clothing to stay comfortable during your travels.

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 75%, offering insight into how humid the weather typically is during this month.

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.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	-7°C (20°F)	20 mm (0.8 inches)	80%	low
February Weather	-7°C (20°F)	23 mm (0.9 inches)	84%	moderate
March Weather	2°C (35°F)	65 mm (2.5 inches)	75%	moderate
April Weather	7°C (45°F)	80 mm (3.2 inches)	79%	very high
May Weather	15°C (59°F)	127 mm (5.0 inches)	74%	very high
June Weather	23°C (73°F)	83 mm (3.3 inches)	81%	extreme
July Weather	24°C (76°F)	81 mm (3.2 inches)	82%	very high
August Weather	22°C (72°F)	95 mm (3.7 inches)	80%	very high
September Weather	18°C (66°F)	102 mm (4.0 inches)	75%	very high
October Weather	9°C (48°F)	77 mm (3.1 inches)	77%	moderate
November Weather	1°C (35°F)	24 mm (1.0 inches)	85%	moderate
December Weather	-3°C (26°F)	39 mm (1.5 inches)	83%	low