July Weather in Summit, United States

Last updated: June 24, 2025

The average temperature in Summit, United States during July is a warm 30°C (87°F). Temperatures can vary significantly, with a minimum of 20°C (68°F) and a maximum soaring to 43°C (109°F). Expect 50 mm (2.0 in) of precipitation spread over 11 days, accompanied by an average humidity of 38%. Enjoy the warmth!

July Temperature in Summit

In July in Summit, the average temperature is 30°C (87°F), with maximums reaching up to 43°C (109°F) and minimums dropping as low as 20°C (68°F). This weather makes it a great time for travelers to enjoy outdoor adventures while also taking precautions against the heat.

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

The chart illustrates July temperature patterns in Summit, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Summit, July typically has an average temperature of 30°C (87°F), with highs reaching up to 43°C (109°F) and lows dropping to around 20°C (68°F).

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

July Precipitation in Summit

In Summit in July, the precipitation amount is 50 mm (2.0 in) over the course of 11 days.

July Precipitation Trends in Summit

The chart displays monthly precipitation patterns in Summit, 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 Summit, July typically receives around 50 mm (2.0 inches) of precipitation spread over approximately 11 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 Summit

In Summit in July, humidity is 38%. With an average temperature of 30°C (87°F), this humidity feels like a warm embrace, making travel pleasantly comfortable while allowing you to enjoy the sights without feeling too sticky or overheated.

July Average Humidity in Summit

This chart illustrates the average monthly humidity levels in Summit, 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 Summit is approximately 38%, 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 Summit

In Summit in July, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Summit.

Maximum UV Index Levels in Summit for July

The chart shows the monthly maximum UV Index (UVI) for Summit 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 Summit typically reaches 12, which falls under the extreme exposure category.

Data source: Summit 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 Summit Compares to Other Months

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

This table compares monthly weather conditions in Summit, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	11°C (52°F)	19 mm (0.7 inches)	74%	moderate
February Weather	12°C (55°F)	29 mm (1.2 inches)	71%	high
March Weather	16°C (61°F)	14 mm (0.5 inches)	60%	very high
April Weather	21°C (70°F)	3 mm (0.1 inches)	43%	extreme
May Weather	25°C (77°F)	3 mm (0.1 inches)	32%	extreme
June Weather	30°C (87°F)	7 mm (0.3 inches)	28%	extreme
July Weather	30°C (87°F)	50 mm (2.0 inches)	38%	extreme
August Weather	30°C (86°F)	42 mm (1.7 inches)	60%	extreme
September Weather	28°C (82°F)	31 mm (1.2 inches)	72%	extreme
October Weather	22°C (72°F)	10 mm (0.4 inches)	66%	very high
November Weather	17°C (63°F)	13 mm (0.5 inches)	74%	high
December Weather	12°C (53°F)	23 mm (0.9 inches)	81%	moderate