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August Weather in Marion, United States

Last updated: June 24, 2025

In Marion, United States, the average temperature in August reaches a pleasant 25°C (77°F). Expect a minimum of 12°C (54°F) on cooler days, while temperatures can soar to a maximum of 37°C (99°F) during heatwaves. This month typically sees 135 mm (5.3 in) of precipitation over 10 days, contributing to an average humidity of 78%, creating a humid yet comfortable atmosphere.

August Temperature in Marion

In August in Marion, the average temperature is 25°C (77°F). Maximums can reach 37°C (99°F) and minimums can be as low as 12°C (54°F). Travelers should prepare for warm days and cooler evenings while enjoying a pleasant climate.

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

The chart illustrates August temperature patterns in Marion, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Marion, August typically has an average temperature of 25°C (77°F), with highs reaching up to 37°C (99°F) and lows dropping to around 12°C (54°F).
JanFebMarAprMayJunJulAugSepOctNovDec333447556577807772574538
Data source: Temperature data for Marion 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 Marion

In Marion in August, the total precipitation amount is 135 mm (5.3 in) recorded over a span of 10 days.

August Precipitation Trends in Marion

The chart displays monthly precipitation patterns in Marion, 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 Marion, August typically receives around 135 mm (5.3 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec353281791709277135841042829
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Marion

In Marion in August, humidity is 78%. With an average temperature of 25°C (77°F), this humidity feels like walking through a warm, damp blanket, making travel feel a bit more exhausting and sticky as you navigate the sights.

August Average Humidity in Marion

This chart illustrates the average monthly humidity levels in Marion, 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 Marion is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%78%70%73%82%82%81%78%71%71%81%84%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Marion

In Marion 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 Marion.

Maximum UV Index Levels in Marion for August

The chart shows the monthly maximum UV Index (UVI) for Marion 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 Marion typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3679101111109743
Data source: Marion 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 Marion Compares to Other Months

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

This table compares monthly weather conditions in Marion, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)35 mm (1.4 inches)76%moderate
February Weather1°C (34°F)32 mm (1.2 inches)77%high
March Weather8°C (48°F)81 mm (3.2 inches)70%high
April Weather13°C (55°F)79 mm (3.1 inches)73%very high
May Weather19°C (66°F)170 mm (6.7 inches)82%very high
June Weather25°C (78°F)92 mm (3.6 inches)82%extreme
July Weather27°C (80°F)77 mm (3.0 inches)81%extreme
August Weather25°C (77°F)135 mm (5.3 inches)78%very high
September Weather22°C (72°F)84 mm (3.3 inches)71%very high
October Weather14°C (57°F)104 mm (4.1 inches)71%high
November Weather7°C (45°F)28 mm (1.1 inches)81%moderate
December Weather3°C (38°F)29 mm (1.1 inches)84%moderate

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