July Weather in Plymouth, United States

Last updated: June 24, 2025

In Plymouth, United States, the average temperature in July is a pleasant 24°C (75°F), with minimums dipping to 13°C (55°F) and maximums soaring to 35°C (96°F). Travelers can expect about 91 mm (3.6 in) of precipitation over 11 days, while the average humidity remains high at 80%, creating a warm and inviting atmosphere. Perfect for exploring the beauty of this destination!

July Temperature in Plymouth

In July in Plymouth, the average temperature is 24°C (75°F). Maximum can reach 35°C (96°F) and minimum can be as low as 13°C (55°F). It's a perfect time to explore and enjoy outdoor activities while experiencing a pleasant climate.

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

The chart illustrates July temperature patterns in Plymouth, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Plymouth, July typically has an average temperature of 24°C (75°F), with highs reaching up to 35°C (96°F) and lows dropping to around 13°C (55°F).

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

July Precipitation in Plymouth

In Plymouth in July, the precipitation amount is 91 mm (3.6 in) over a period of 11 days.

July Precipitation Trends in Plymouth

The chart displays monthly precipitation patterns in Plymouth, 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 Plymouth, July typically receives around 91 mm (3.6 inches) of precipitation spread over approximately 11 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 Plymouth

In Plymouth in July humidity is 80%. With an average temperature of 24°C (75°F), this humidity feels like a warm, sticky blanket enveloping you, making travel slightly uncomfortable as sweat clings to your skin and the air feels thick, urging you to seek shade and hydration frequently.

July Average Humidity in Plymouth

This chart illustrates the average monthly humidity levels in Plymouth, 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 Plymouth is approximately 80%, 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 Plymouth

In Plymouth 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 Plymouth.

Maximum UV Index Levels in Plymouth for July

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

Data source: Plymouth 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 Plymouth Compares to Other Months

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

This table compares monthly weather conditions in Plymouth, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (27°F)	64 mm (2.5 inches)	88%	low
February Weather	-2°C (29°F)	66 mm (2.6 inches)	87%	moderate
March Weather	3°C (38°F)	73 mm (2.9 inches)	85%	moderate
April Weather	8°C (47°F)	86 mm (3.4 inches)	86%	very high
May Weather	15°C (60°F)	117 mm (4.6 inches)	80%	very high
June Weather	21°C (71°F)	85 mm (3.3 inches)	80%	very high
July Weather	24°C (75°F)	91 mm (3.6 inches)	80%	very high
August Weather	23°C (73°F)	74 mm (2.9 inches)	80%	very high
September Weather	19°C (66°F)	62 mm (2.4 inches)	80%	high
October Weather	12°C (55°F)	98 mm (3.9 inches)	84%	moderate
November Weather	4°C (40°F)	77 mm (3.0 inches)	89%	moderate
December Weather	0°C (33°F)	54 mm (2.1 inches)	86%	low