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August Weather in Frontenac, United States

Last updated: June 24, 2025

The average temperature in Frontenac, United States during August is a comfortable 26°C (79°F), with minimums dipping to 15°C (58°F) and maximums reaching up to 37°C (98°F). Expect an average humidity of 68%, accompanied by 121 mm (4.8 in) of precipitation over about 11 days. Whether you’re planning a sun-soaked adventure or a cozy retreat, this month offers a delightful range of weather!

August Temperature in Frontenac

In August in Frontenac, the average temperature is 26°C (79°F). The maximum can reach 37°C (98°F), while the minimum can drop to as low as 15°C (58°F). This makes Frontenac an ideal destination for travelers seeking warm weather and pleasant evenings.

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

The chart illustrates August temperature patterns in Frontenac, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Frontenac, August typically has an average temperature of 26°C (79°F), with highs reaching up to 37°C (98°F) and lows dropping to around 15°C (58°F).
JanFebMarAprMayJunJulAugSepOctNovDec353750576878817874604741
Data source: Temperature data for Frontenac 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 Frontenac

In Frontenac in August, the total precipitation amount is 121 mm (4.8 in), which occurs over the course of 11 days.

August Precipitation Trends in Frontenac

The chart displays monthly precipitation patterns in Frontenac, 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 Frontenac, August typically receives around 121 mm (4.8 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec6662126129199100103121901195138
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Frontenac

In Frontenac in August, humidity is 68%. With an average temperature of 26°C (79°F), this humidity feels like a warm, enveloping blanket that can make outdoor activities feel a bit stifling unless you stay hydrated and take frequent breaks in the shade.

August Average Humidity in Frontenac

This chart illustrates the average monthly humidity levels in Frontenac, 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 Frontenac is approximately 68%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%78%76%78%83%83%78%68%64%70%83%87%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Frontenac

In Frontenac 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 Frontenac.

Maximum UV Index Levels in Frontenac for August

The chart shows the monthly maximum UV Index (UVI) for Frontenac 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 Frontenac typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35710101111109753
Data source: Frontenac 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 Frontenac Compares to Other Months

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

This table compares monthly weather conditions in Frontenac, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (36°F)66 mm (2.6 inches)81%moderate
February Weather3°C (38°F)62 mm (2.4 inches)78%moderate
March Weather10°C (50°F)126 mm (5.0 inches)76%high
April Weather14°C (57°F)129 mm (5.1 inches)78%very high
May Weather20°C (68°F)199 mm (7.8 inches)83%very high
June Weather25°C (78°F)100 mm (4.0 inches)83%extreme
July Weather27°C (81°F)103 mm (4.0 inches)78%extreme
August Weather26°C (79°F)121 mm (4.8 inches)68%very high
September Weather23°C (74°F)90 mm (3.5 inches)64%very high
October Weather15°C (60°F)119 mm (4.7 inches)70%high
November Weather8°C (47°F)51 mm (2.0 inches)83%moderate
December Weather5°C (42°F)38 mm (1.5 inches)87%moderate

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