August Weather in Quincy, United States

Last updated: June 24, 2025

In Quincy, United States, the average temperature in August reaches a comfortable 24°C (76°F), while it can dip to a cool 12°C (55°F) and peak at a sweltering 36°C (96°F). Prepare for the possibility of 90 mm (3.6 in) of rain over 9 days, contributing to an average humidity of around 80%. Whether you’re exploring or relaxing, be ready for a mix of weather!

August Temperature in Quincy

In August in Quincy, the average temperature is 24°C (76°F). Maximums can reach 36°C (96°F) and minimums can be as low as 12°C (55°F). This variety in temperatures makes it a great time to enjoy both warm and cooler activities while exploring the region.

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

The chart illustrates August temperature patterns in Quincy, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Quincy, August typically has an average temperature of 24°C (76°F), with highs reaching up to 36°C (96°F) and lows dropping to around 12°C (55°F).

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

August Precipitation in Quincy

In Quincy in August, the precipitation amount is 90 mm (3.6 in) spread over the course of 9 days.

August Precipitation Trends in Quincy

The chart displays monthly precipitation patterns in Quincy, 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 Quincy, August typically receives around 90 mm (3.6 inches) of precipitation spread over approximately 9 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 Quincy

In Quincy in August humidity is 80%. With an average temperature of 24°C (76°F), this humidity feels like a warm, sticky embrace that can make exploring outdoors quite draining, so it's essential to stay hydrated and take breaks in the shade while traveling.

August Average Humidity in Quincy

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

In Quincy in August, 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 Quincy.

Maximum UV Index Levels in Quincy for August

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

Data source: Quincy 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 Quincy Compares to Other Months

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

This table compares monthly weather conditions in Quincy, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-2°C (29°F)	60 mm (2.4 inches)	82%	moderate
February Weather	-1°C (31°F)	59 mm (2.3 inches)	80%	moderate
March Weather	7°C (44°F)	113 mm (4.4 inches)	80%	high
April Weather	11°C (53°F)	102 mm (4.0 inches)	80%	very high
May Weather	19°C (66°F)	168 mm (6.6 inches)	82%	very high
June Weather	24°C (76°F)	108 mm (4.2 inches)	83%	extreme
July Weather	26°C (79°F)	86 mm (3.4 inches)	81%	very high
August Weather	24°C (76°F)	90 mm (3.6 inches)	80%	very high
September Weather	21°C (71°F)	84 mm (3.3 inches)	76%	very high
October Weather	14°C (57°F)	106 mm (4.2 inches)	76%	high
November Weather	6°C (42°F)	53 mm (2.1 inches)	85%	moderate
December Weather	2°C (36°F)	42 mm (1.7 inches)	86%	moderate