July Weather in Summerville, United States

Last updated: June 24, 2025

In Summerville, United States, the average temperature in July hovers around 27°C (81°F). During this time, temperatures can dip as low as 18°C (65°F) and soar to a maximum of 36°C (98°F). Rainfall adds a splash of atmosphere, with an average of 191 mm (7.5 in) spread over 20 days. This month also boasts a high humidity level of 80%, making it feel even warmer.

July Temperature in Summerville

In July in Summerville, the average temperature is 27°C (81°F), with maximums reaching 36°C (98°F) and minimums dropping to as low as 18°C (65°F). This makes it an ideal time for travelers seeking warm weather and plenty of sunshine.

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

The chart illustrates July temperature patterns in Summerville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Summerville, July typically has an average temperature of 27°C (81°F), with highs reaching up to 36°C (98°F) and lows dropping to around 18°C (65°F).

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

July Precipitation in Summerville

In Summerville in July, the precipitation amount is 191 mm (7.5 in) spread over 20 days.

July Precipitation Trends in Summerville

The chart displays monthly precipitation patterns in Summerville, 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 Summerville, July typically receives around 191 mm (7.5 inches) of precipitation spread over approximately 20 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 Summerville

In Summerville in July humidity is 80%. With an average temperature of 27°C (81°F), this humidity feels like a warm, enveloping blanket that clings to your skin, making travel tiring as sweat beads form quickly and the air feels thick and heavy.

July Average Humidity in Summerville

This chart illustrates the average monthly humidity levels in Summerville, 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 Summerville 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 Summerville

In Summerville in July, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Summerville.

Maximum UV Index Levels in Summerville for July

The chart shows the monthly maximum UV Index (UVI) for Summerville 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 Summerville typically reaches 11, which falls under the extreme exposure category.

Data source: Summerville 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 Summerville Compares to Other Months

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

This table compares monthly weather conditions in Summerville, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (51°F)	64 mm (2.5 inches)	86%	moderate
February Weather	13°C (56°F)	92 mm (3.6 inches)	81%	high
March Weather	15°C (60°F)	71 mm (2.8 inches)	81%	very high
April Weather	19°C (66°F)	108 mm (4.2 inches)	79%	very high
May Weather	23°C (74°F)	92 mm (3.6 inches)	75%	extreme
June Weather	26°C (79°F)	156 mm (6.1 inches)	75%	extreme
July Weather	27°C (81°F)	191 mm (7.5 inches)	80%	extreme
August Weather	27°C (81°F)	176 mm (6.9 inches)	81%	extreme
September Weather	25°C (77°F)	146 mm (5.8 inches)	83%	very high
October Weather	21°C (70°F)	75 mm (3.0 inches)	78%	very high
November Weather	14°C (57°F)	70 mm (2.8 inches)	85%	high
December Weather	12°C (53°F)	132 mm (5.2 inches)	87%	moderate