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August Weather in Salem, United States

Last updated: June 24, 2025

In August, the average temperature in Salem, United States is a pleasant 24°C (76°F). Visitors can expect a range from a cool 13°C (56°F) to a warm 35°C (96°F). During this month, 101 mm (4.0 in) of precipitation is anticipated over about 12 days, resulting in an average humidity level of 69%. Prepare for a delightful mix of warm days and refreshing showers!

August Temperature in Salem

In August in Salem, the average temperature is 24°C (76°F). Maximums can reach 35°C (96°F), and minimums can drop as low as 13°C (56°F). This makes it an ideal time for travelers to enjoy a variety of outdoor activities and pleasant weather in Salem.

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 24°C (76°F), with highs reaching up to 35°C (96°F) and lows dropping to around 13°C (56°F).
JanFebMarAprMayJunJulAugSepOctNovDec343748546574787571584540
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 101 mm (4.0 in) spread over 12 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 101 mm (4.0 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec75961361531788484101591126961
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 69%. With an average temperature of 24°C (76°F), this humidity feels like a warm, sticky embrace that can make outdoor activities feel a bit more exhausting, so travelers should stay hydrated and take frequent 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 69%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%81%80%80%83%83%76%69%68%72%83%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 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 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 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36710101111109753
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 Weather1°C (34°F)75 mm (3.0 inches)83%moderate
February Weather3°C (37°F)96 mm (3.8 inches)81%high
March Weather9°C (48°F)136 mm (5.3 inches)80%high
April Weather12°C (55°F)152 mm (6.0 inches)80%very high
May Weather18°C (66°F)178 mm (7.0 inches)83%very high
June Weather24°C (75°F)84 mm (3.3 inches)83%extreme
July Weather26°C (79°F)84 mm (3.3 inches)76%extreme
August Weather24°C (76°F)101 mm (4.0 inches)69%very high
September Weather22°C (72°F)59 mm (2.3 inches)68%very high
October Weather15°C (58°F)112 mm (4.4 inches)72%high
November Weather7°C (45°F)69 mm (2.7 inches)83%moderate
December Weather4°C (40°F)60 mm (2.4 inches)86%moderate

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