April Weather in Harvard, United States

Last updated: June 24, 2025

In April, the average temperature in Harvard, United States hovers around 10°C (51°F). However, temperatures can vary significantly, with a minimum of -12°C (12°F) and a maximum reaching 32°C (89°F). Expect about 49 mm (1.9 in) of precipitation over 8 days, and enjoy the moderately high average humidity of 71%.

April Temperature in Harvard

In April in Harvard, the average temperature is 10°C (51°F). Maximum temperatures can reach 32°C (89°F), while minimums can drop as low as -12°C (12°F). Be prepared for a wide range of weather conditions if you're traveling during this time.

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

The chart illustrates April 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, April typically has an average temperature of 10°C (51°F), with highs reaching up to 32°C (89°F) and lows dropping to around -12°C (12°F).

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

April Precipitation in Harvard

In Harvard in April, the precipitation amount is 49 mm (1.9 in) spread over 8 days.

April Precipitation Trends in Harvard

The chart displays monthly precipitation patterns in Harvard, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Harvard, April typically receives around 49 mm (1.9 inches) of precipitation spread over approximately 8 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

April Humidity in Harvard

In Harvard in April, humidity is 71%. With an average temperature of 10°C (51°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities less inviting and requiring extra layers to stay comfortable while exploring.

April Average Humidity in Harvard

This chart illustrates the average monthly humidity levels in Harvard, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Harvard is approximately 71%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Harvard

In Harvard in April, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Harvard.

Maximum UV Index Levels in Harvard for April

The chart shows the monthly maximum UV Index (UVI) for Harvard in April, 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 April, the maximum UV index in Harvard typically reaches 9, which falls under the very high exposure category.

Data source: Harvard April 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 April 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 April’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 April’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