March Weather in Harvard, United States

Last updated: June 24, 2025

In Harvard, United States, the average temperature in March is a brisk 5°C (42°F). Expect a wide range of temperatures, with a minimum plummeting to -22°C (-7°F) and a maximum soaring to 27°C (81°F). During this month, you can anticipate about 89 mm (3.5 in) of precipitation spread over 9 days, while the average humidity sits comfortably at 69%.

March Temperature in Harvard

In March in Harvard, the average temperature is 5°C (42°F), with maximums reaching 27°C (81°F) and minimums dropping as low as -22°C (-7°F). Travelers should be prepared for a wide range of temperatures, from chilly days to warm spells.

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

The chart illustrates March temperature patterns in Harvard, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Harvard, March typically has an average temperature of 5°C (42°F), with highs reaching up to 27°C (81°F) and lows dropping to around -22°C (-7°F).

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

March Precipitation in Harvard

In Harvard in March, the precipitation amount is 89 mm (3.5 in) during a span of 9 days.

March Precipitation Trends in Harvard

The chart displays monthly precipitation patterns in Harvard, 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 Harvard, March typically receives around 89 mm (3.5 inches) of precipitation spread over approximately 9 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

March Humidity in Harvard

In Harvard in March, humidity is 69%. With an average temperature of 5°C (42°F), this humidity feels like a chilly dampness that clings to your skin, making it essential to pack layers and a good rain jacket for your travels.

March Average Humidity in Harvard

This chart illustrates the average monthly humidity levels in Harvard, 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 Harvard is approximately 69%, 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 Harvard

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

Maximum UV Index Levels in Harvard for March

The chart shows the monthly maximum UV Index (UVI) for Harvard 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 Harvard typically reaches 6, which falls under the high exposure category.

Data source: Harvard 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 Harvard Compares to Other Months

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

This table compares monthly weather conditions in Harvard, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (27°F)	29 mm (1.2 inches)	73%	moderate
February Weather	-3°C (27°F)	22 mm (0.9 inches)	81%	moderate
March Weather	5°C (42°F)	89 mm (3.5 inches)	69%	high
April Weather	10°C (51°F)	49 mm (1.9 inches)	71%	very high
May Weather	17°C (62°F)	172 mm (6.8 inches)	80%	very high
June Weather	24°C (76°F)	91 mm (3.6 inches)	83%	extreme
July Weather	26°C (78°F)	68 mm (2.7 inches)	84%	extreme
August Weather	24°C (75°F)	84 mm (3.3 inches)	84%	very high
September Weather	21°C (70°F)	67 mm (2.6 inches)	77%	very high
October Weather	11°C (53°F)	84 mm (3.3 inches)	72%	high
November Weather	5°C (41°F)	22 mm (0.9 inches)	80%	moderate
December Weather	0°C (33°F)	41 mm (1.6 inches)	79%	moderate