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August Weather in Salem, United States

Last updated: June 24, 2025

In August, the average temperature in Salem, United States hovers around 25°C (76°F). While you can expect a minimum of 12°C (54°F) and a maximum of 35°C (95°F), prepare for some rain, as precipitation averages 100 mm (3.9 in) over about 10 days. Additionally, with an average humidity of 82%, it's wise to stay hydrated and make the most of the warm weather!

August Temperature in Salem

In August in Salem, the average temperature is 25°C (76°F), with maximums reaching up to 35°C (95°F) and minimums dropping as low as 12°C (54°F). This pleasant weather makes Salem an ideal destination for travelers seeking a blend of warmth and comfortable 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 25°C (76°F), with highs reaching up to 35°C (95°F) and lows dropping to around 12°C (54°F).
JanFebMarAprMayJunJulAugSepOctNovDec323647556877797672594439
Data source: Temperature data for Salem generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Salem

In Salem in August, the precipitation amount is 100 mm (3.9 in) over a span of 10 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 100 mm (3.9 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec839013812716011095100641178579
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Salem

In Salem in August humidity is 82%. With an average temperature of 25°C (76°F), this humidity feels like a warm, heavy blanket enveloping you, making travel feel sticky and exhausting as you navigate through the air that clings to your skin.

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 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%82%84%83%80%83%82%83%79%79%88%87%
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 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. 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 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357911111099643
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.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)83 mm (3.3 inches)84%moderate
February Weather2°C (36°F)89 mm (3.5 inches)82%moderate
March Weather8°C (47°F)138 mm (5.4 inches)84%high
April Weather13°C (56°F)127 mm (5.0 inches)83%very high
May Weather20°C (68°F)160 mm (6.3 inches)80%extreme
June Weather25°C (77°F)110 mm (4.3 inches)83%extreme
July Weather26°C (80°F)95 mm (3.8 inches)82%very high
August Weather25°C (76°F)100 mm (3.9 inches)82%very high
September Weather22°C (73°F)64 mm (2.5 inches)79%very high
October Weather15°C (60°F)117 mm (4.6 inches)79%high
November Weather7°C (44°F)84 mm (3.3 inches)88%moderate
December Weather4°C (39°F)79 mm (3.1 inches)87%moderate

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