August Weather in Summit, United States

Last updated: June 24, 2025

In Summit, United States, the average temperature in August is a warm 27°C (80°F). Expect minimums of 19°C (66°F) and maximums soaring up to 36°C (97°F). This month typically sees 175 mm (6.9 in) of precipitation spread over 19 days, contributing to an average humidity level of 79%. Prepare for the warmth and occasional showers!

August Temperature in Summit

In August in Summit, the average temperature is 27°C (80°F), with maximums reaching 36°C (97°F) and minimums dropping as low as 19°C (66°F). This climate makes Summit an ideal destination for travelers looking to enjoy warm and pleasant weather.

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

The chart illustrates August 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, August typically has an average temperature of 27°C (80°F), with highs reaching up to 36°C (97°F) and lows dropping to around 19°C (66°F).

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

August Precipitation in Summit

In Summit in August, the precipitation amount is 175 mm (6.9 in) spread over 19 days.

August Precipitation Trends in Summit

The chart displays monthly precipitation patterns in Summit, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Summit, August typically receives around 175 mm (6.9 inches) of precipitation spread over approximately 19 days.

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

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Millimeters (mm) Inches (in)

August Humidity in Summit

In Summit in August humidity is 79%. With an average temperature of 27°C (80°F), this humidity feels like walking through a warm, dense blanket, making travel feel sluggish and allowing every step to become noticeably heavier.

August Average Humidity in Summit

This chart illustrates the average monthly humidity levels in Summit, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Summit is approximately 79%, offering insight into how humid the weather typically is during this month.

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

August UV Index in Summit

In Summit in August, 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 Summit.

Maximum UV Index Levels in Summit for August

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

Data source: Summit August 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 August 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 August’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 August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (50°F)	125 mm (4.9 inches)	83%	moderate
February Weather	13°C (56°F)	125 mm (4.9 inches)	83%	very high
March Weather	17°C (62°F)	118 mm (4.6 inches)	80%	very high
April Weather	19°C (66°F)	144 mm (5.7 inches)	81%	extreme
May Weather	23°C (74°F)	173 mm (6.8 inches)	81%	extreme
June Weather	26°C (79°F)	151 mm (5.9 inches)	78%	extreme
July Weather	27°C (81°F)	150 mm (5.9 inches)	79%	extreme
August Weather	27°C (80°F)	175 mm (6.9 inches)	79%	extreme
September Weather	26°C (78°F)	111 mm (4.4 inches)	79%	very high
October Weather	21°C (70°F)	107 mm (4.2 inches)	77%	very high
November Weather	14°C (57°F)	90 mm (3.5 inches)	85%	high
December Weather	12°C (54°F)	147 mm (5.8 inches)	88%	moderate