August Weather in Salem, United States

Last updated: June 24, 2025

In Salem, United States, the average temperature in August hovers around 28°C (82°F), with minimums dipping to 18°C (65°F) and maximums soaring up to 39°C (102°F). Expect 27 mm (1.1 in) of precipitation spread over 6 days, contributing to an average humidity of 57%. Whether you're basking in the heat or dodging a light drizzle, prepare for a month that balances warmth with a touch of moisture!

August Temperature in Salem

In August in Salem, the average temperature is 28°C (82°F), with maximums reaching up to 39°C (102°F) and minimums dropping as low as 18°C (65°F). It's a great time for travelers to enjoy warm weather and explore outdoor activities.

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

The chart illustrates August temperature patterns in Salem, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Salem, August typically has an average temperature of 28°C (82°F), with highs reaching up to 39°C (102°F) and lows dropping to around 18°C (65°F).

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

August Precipitation in Salem

In Salem in August, the precipitation amount is 27 mm (1.1 in) over a period of 6 days.

August Precipitation Trends in Salem

The chart displays monthly precipitation patterns in Salem, 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 Salem, August typically receives around 27 mm (1.1 inches) of precipitation spread over approximately 6 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 Salem

In Salem in August, humidity is 57%. With an average temperature of 28°C (82°F), this humidity feels like a warm, enveloping blanket, making travel an enjoyable experience as long as you stay hydrated and take breaks in the shade.

August Average Humidity in Salem

This chart illustrates the average monthly humidity levels in Salem, 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 Salem is approximately 57%, 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 Salem

In Salem in August, 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 Salem.

Maximum UV Index Levels in Salem for August

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

Data source: Salem 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 Salem Compares to Other Months

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

This table compares monthly weather conditions in Salem, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	7°C (45°F)	14 mm (0.6 inches)	79%	moderate
February Weather	9°C (49°F)	18 mm (0.7 inches)	79%	high
March Weather	14°C (57°F)	14 mm (0.6 inches)	65%	very high
April Weather	19°C (66°F)	4 mm (0.1 inches)	55%	extreme
May Weather	23°C (74°F)	4 mm (0.2 inches)	54%	extreme
June Weather	28°C (83°F)	22 mm (0.9 inches)	53%	extreme
July Weather	28°C (83°F)	30 mm (1.2 inches)	55%	extreme
August Weather	28°C (82°F)	27 mm (1.1 inches)	57%	extreme
September Weather	25°C (77°F)	28 mm (1.1 inches)	70%	extreme
October Weather	18°C (65°F)	32 mm (1.3 inches)	75%	very high
November Weather	12°C (55°F)	21 mm (0.8 inches)	83%	high
December Weather	8°C (46°F)	11 mm (0.4 inches)	82%	moderate