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August Weather in Mascoutah, United States

Last updated: June 24, 2025

In August, the average temperature in Mascoutah, United States hovers around 25°C (77°F), making it a pleasantly warm destination. However, temperatures can range from a cool 13°C (55°F) to a sweltering 36°C (97°F). Be prepared for some rain, as there is an average precipitation of 122 mm (4.8 in) spread over 11 days. Additionally, the air tends to be quite humid, with an average humidity level of 82%.

August Temperature in Mascoutah

In August in Mascoutah, the average temperature is 25°C (77°F). Maximum can reach 36°C (97°F) and minimum can be as low as 13°C (55°F). Overall, it's a pleasant time to visit Mascoutah, perfect for enjoying outdoor activities while being prepared for varying temperatures.

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

The chart illustrates August temperature patterns in Mascoutah, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mascoutah, August typically has an average temperature of 25°C (77°F), with highs reaching up to 36°C (97°F) and lows dropping to around 13°C (55°F).
JanFebMarAprMayJunJulAugSepOctNovDec333648566877807773604540
Data source: Temperature data for Mascoutah 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 Mascoutah

In Mascoutah in August, the total precipitation amount is 122 mm (4.8 in) over a span of 11 days.

August Precipitation Trends in Mascoutah

The chart displays monthly precipitation patterns in Mascoutah, 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 Mascoutah, August typically receives around 122 mm (4.8 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec828714114417010092122591107971
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Mascoutah

In Mascoutah in August, humidity is 82%. With an average temperature of 25°C (77°F), this humidity feels like a warm, oppressive blanket enveloping you as you explore, making every step feel more laborious and prompting the need for frequent hydration breaks.

August Average Humidity in Mascoutah

This chart illustrates the average monthly humidity levels in Mascoutah, 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 Mascoutah 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 Mascoutah

In Mascoutah 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 Mascoutah.

Maximum UV Index Levels in Mascoutah for August

The chart shows the monthly maximum UV Index (UVI) for Mascoutah 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 Mascoutah typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579111110109753
Data source: Mascoutah 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 Mascoutah Compares to Other Months

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

This table compares monthly weather conditions in Mascoutah, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (33°F)82 mm (3.2 inches)84%moderate
February Weather2°C (37°F)87 mm (3.4 inches)82%moderate
March Weather9°C (48°F)141 mm (5.6 inches)84%high
April Weather13°C (56°F)144 mm (5.7 inches)83%very high
May Weather20°C (68°F)170 mm (6.7 inches)80%extreme
June Weather25°C (78°F)100 mm (3.9 inches)83%extreme
July Weather27°C (80°F)92 mm (3.6 inches)82%very high
August Weather25°C (77°F)122 mm (4.8 inches)82%very high
September Weather23°C (73°F)59 mm (2.3 inches)79%very high
October Weather15°C (60°F)110 mm (4.3 inches)79%high
November Weather7°C (45°F)78 mm (3.1 inches)88%moderate
December Weather4°C (40°F)71 mm (2.8 inches)87%moderate

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