July Weather in Cohasset, United States

Last updated: June 24, 2025

In July, the average temperature in Cohasset, United States hovers around 21°C (70°F), with a comfortable range between a cool 9°C (48°F) and a warm 33°C (91°F). Expect about 107 mm (4.2 in) of precipitation spread over 9 days, and enjoy the moderate average humidity of 76% that adds to the refreshing atmosphere.

July Temperature in Cohasset

In July in Cohasset, the average temperature is 21°C (70°F), with maximums reaching up to 33°C (91°F) and minimums dropping as low as 9°C (48°F). This pleasant temperature range makes Cohasset an ideal destination for travelers seeking comfortable weather.

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

The chart illustrates July temperature patterns in Cohasset, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cohasset, July typically has an average temperature of 21°C (70°F), with highs reaching up to 33°C (91°F) and lows dropping to around 9°C (48°F).

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

July Precipitation in Cohasset

In Cohasset in July, the precipitation amount is 107 mm (4.2 in), occurring over a span of 9 days.

July Precipitation Trends in Cohasset

The chart displays monthly precipitation patterns in Cohasset, 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 Cohasset, July typically receives around 107 mm (4.2 inches) of precipitation spread over approximately 9 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

July Humidity in Cohasset

In Cohasset in July, humidity is 76%. With an average temperature of 21°C (70°F), this humidity feels like a warm, muggy embrace that can make outdoor activities feel more strenuous, prompting travelers to take frequent breaks and seek shade to stay comfortable during their adventures.

July Average Humidity in Cohasset

This chart illustrates the average monthly humidity levels in Cohasset, 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 Cohasset is approximately 76%, 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 Cohasset

In Cohasset in July, 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 Cohasset.

Maximum UV Index Levels in Cohasset for July

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

Data source: Cohasset 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 Cohasset Compares to Other Months

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

This table compares monthly weather conditions in Cohasset, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-12°C (11°F)	22 mm (0.8 inches)	92%	low
February Weather	-12°C (11°F)	26 mm (1.0 inches)	93%	moderate
March Weather	-3°C (27°F)	34 mm (1.3 inches)	88%	moderate
April Weather	3°C (38°F)	61 mm (2.4 inches)	83%	high
May Weather	12°C (53°F)	60 mm (2.4 inches)	76%	very high
June Weather	18°C (65°F)	85 mm (3.4 inches)	76%	very high
July Weather	21°C (70°F)	107 mm (4.2 inches)	76%	very high
August Weather	19°C (67°F)	86 mm (3.4 inches)	77%	very high
September Weather	15°C (59°F)	105 mm (4.1 inches)	77%	high
October Weather	7°C (44°F)	103 mm (4.1 inches)	82%	moderate
November Weather	-2°C (28°F)	33 mm (1.3 inches)	87%	moderate
December Weather	-8°C (18°F)	52 mm (2.0 inches)	89%	low