July Weather in Harvard, United States

Last updated: June 24, 2025

In Harvard, United States, the average temperature in July is a comfortable 24°C (75°F). However, be prepared for some variation, as temperatures can dip to a minimum of 12°C (54°F) and soar up to a maximum of 34°C (93°F). During this month, expect about 84 mm (3.3 in) of precipitation spread over 10 days, contributing to an average humidity level of 78%—perfect for enjoying the lush landscapes.

July Temperature in Harvard

In July in Harvard, the average temperature is 24°C (75°F). Maximum temperatures can reach 34°C (93°F), while the minimum can drop to as low as 12°C (54°F). It's a great time to explore and enjoy outdoor activities in Harvard.

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

The chart illustrates July 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, July typically has an average temperature of 24°C (75°F), with highs reaching up to 34°C (93°F) and lows dropping to around 12°C (54°F).

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

July Precipitation in Harvard

In Harvard in July, the precipitation amount is 84 mm (3.3 in) over a span of 10 days.

July Precipitation Trends in Harvard

The chart displays monthly precipitation patterns in Harvard, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Harvard, July typically receives around 84 mm (3.3 inches) of precipitation spread over approximately 10 days.

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

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Millimeters (mm) Inches (in)

July Humidity in Harvard

In Harvard in July humidity is 78%. With an average temperature of 24°C (75°F), this humidity feels like a warm blanket wrapping around you, making travel sticky and heavy but also inviting, as long as you're prepared with plenty of water and light clothing.

July Average Humidity in Harvard

This chart illustrates the average monthly humidity levels in Harvard, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Harvard is approximately 78%, offering insight into how humid the weather typically is during this month.

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

July UV Index in Harvard

In Harvard in July, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Harvard.

Maximum UV Index Levels in Harvard for July

The chart shows the monthly maximum UV Index (UVI) for Harvard in July, 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 July, the maximum UV index in Harvard typically reaches 10, which falls under the very high exposure category.

Data source: Harvard July 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 July 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 July’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 July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-5°C (23°F)	61 mm (2.4 inches)	85%	moderate
February Weather	-4°C (25°F)	58 mm (2.3 inches)	85%	moderate
March Weather	3°C (37°F)	66 mm (2.6 inches)	85%	high
April Weather	8°C (47°F)	110 mm (4.3 inches)	85%	very high
May Weather	15°C (60°F)	154 mm (6.0 inches)	78%	very high
June Weather	21°C (71°F)	115 mm (4.5 inches)	80%	very high
July Weather	24°C (75°F)	84 mm (3.3 inches)	78%	very high
August Weather	22°C (72°F)	91 mm (3.6 inches)	76%	very high
September Weather	19°C (66°F)	104 mm (4.1 inches)	79%	very high
October Weather	11°C (53°F)	119 mm (4.7 inches)	83%	moderate
November Weather	3°C (37°F)	49 mm (1.9 inches)	88%	moderate
December Weather	-1°C (31°F)	52 mm (2.1 inches)	81%	low