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August Weather in Pontiac, United States

Last updated: June 24, 2025

In August, the average temperature in Pontiac, United States hovers around 22°C (72°F), providing a pleasant climate for outdoor activities. Expect minimums of 9°C (49°F), while the mercury can rise to a warm 33°C (92°F). Throughout the month, 92 mm (3.6 in) of precipitation may fall over 12 days, and the average humidity rests at a comfortable 80%.

August Temperature in Pontiac

In August in Pontiac, the average temperature is 22°C (72°F). The maximum can reach 33°C (92°F), while the minimum can drop to as low as 9°C (49°F). This makes Pontiac a perfect destination for travelers seeking mild weather with the option for warmer or cooler days.

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

The chart illustrates August temperature patterns in Pontiac, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Pontiac, August typically has an average temperature of 22°C (72°F), with highs reaching up to 33°C (92°F) and lows dropping to around 9°C (49°F).
JanFebMarAprMayJunJulAugSepOctNovDec252736465969747165533832
Data source: Temperature data for Pontiac 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 Pontiac

In Pontiac in August, the precipitation amount is 92 mm (3.6 in) over the course of 12 days.

August Precipitation Trends in Pontiac

The chart displays monthly precipitation patterns in Pontiac, 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 Pontiac, August typically receives around 92 mm (3.6 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec626868951101049392781077153
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Pontiac

In Pontiac in August humidity is 80%. With an average temperature of 22°C (72°F), this humidity feels like a warm, enveloping blanket that can quickly sap your energy while traveling, making you feel sticky and uncomfortable if you're not prepared.

August Average Humidity in Pontiac

This chart illustrates the average monthly humidity levels in Pontiac, 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 Pontiac is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%85%86%80%80%80%81%80%84%90%86%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Pontiac

In Pontiac 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 Pontiac.

Maximum UV Index Levels in Pontiac for August

The chart shows the monthly maximum UV Index (UVI) for Pontiac 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 Pontiac typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24589101097542
Data source: Pontiac 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 Pontiac Compares to Other Months

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

This table compares monthly weather conditions in Pontiac, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (26°F)62 mm (2.4 inches)88%low
February Weather-3°C (27°F)68 mm (2.7 inches)87%moderate
March Weather2°C (36°F)68 mm (2.7 inches)85%moderate
April Weather8°C (46°F)95 mm (3.8 inches)86%very high
May Weather15°C (59°F)110 mm (4.3 inches)80%very high
June Weather21°C (69°F)104 mm (4.1 inches)80%very high
July Weather23°C (74°F)93 mm (3.7 inches)80%very high
August Weather22°C (72°F)92 mm (3.6 inches)80%very high
September Weather18°C (65°F)78 mm (3.1 inches)80%high
October Weather12°C (53°F)107 mm (4.2 inches)84%moderate
November Weather4°C (39°F)71 mm (2.8 inches)89%moderate
December Weather0°C (32°F)53 mm (2.1 inches)86%low

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