August Weather in Syracuse, United States

Last updated: June 24, 2025

In August, the average temperature in Syracuse, United States hovers around 25°C (77°F). However, it can swing from a brisk 12°C (54°F) at its lowest to a scorching 40°C (104°F) at its peak. Expect about 59 mm (2.3 in) of precipitation over 9 days, contributing to an average humidity level of 84%. Embrace the diverse weather patterns as you explore this vibrant destination!

August Temperature in Syracuse

In August in Syracuse, the average temperature is 25°C (77°F). Maximum temperatures can reach 40°C (104°F), and minimums can be as low as 12°C (54°F). It's an ideal time for travelers looking to enjoy warm weather while still having cooler evenings to explore.

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

The chart illustrates August temperature patterns in Syracuse, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Syracuse, August typically has an average temperature of 25°C (77°F), with highs reaching up to 40°C (104°F) and lows dropping to around 12°C (54°F).

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

August Precipitation in Syracuse

In Syracuse in August, the precipitation amount is 59 mm (2.3 in) over the course of 9 days.

August Precipitation Trends in Syracuse

The chart displays monthly precipitation patterns in Syracuse, 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 Syracuse, August typically receives around 59 mm (2.3 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 Syracuse

In Syracuse in August, humidity is 84%. With an average temperature of 25°C (77°F), this humidity feels like a warm, enveloping blanket that clings to your skin, making outdoor activities challenging and prompting travelers to seek shade and stay hydrated.

August Average Humidity in Syracuse

This chart illustrates the average monthly humidity levels in Syracuse, 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 Syracuse is approximately 84%, 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 Syracuse

In Syracuse 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 Syracuse.

Maximum UV Index Levels in Syracuse for August

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

Data source: Syracuse 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 Syracuse Compares to Other Months

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

This table compares monthly weather conditions in Syracuse, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	1°C (34°F)	16 mm (0.6 inches)	74%	moderate
February Weather	1°C (34°F)	16 mm (0.6 inches)	77%	moderate
March Weather	8°C (47°F)	38 mm (1.5 inches)	65%	high
April Weather	12°C (54°F)	38 mm (1.5 inches)	67%	very high
May Weather	17°C (63°F)	91 mm (3.6 inches)	81%	extreme
June Weather	24°C (76°F)	48 mm (1.9 inches)	82%	extreme
July Weather	26°C (80°F)	45 mm (1.8 inches)	82%	extreme
August Weather	25°C (77°F)	59 mm (2.3 inches)	84%	extreme
September Weather	22°C (72°F)	37 mm (1.5 inches)	79%	very high
October Weather	13°C (55°F)	28 mm (1.1 inches)	75%	high
November Weather	7°C (45°F)	10 mm (0.4 inches)	79%	moderate
December Weather	3°C (37°F)	16 mm (0.6 inches)	83%	moderate