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August Weather in Saint Dennis, United States

Last updated: June 24, 2025

In August, the average temperature in Saint Dennis, United States is a pleasant 25°C (76°F). Expect a minimum of 13°C (56°F) and a maximum of 35°C (95°F), making it an ideal time for outdoor activities. However, be prepared for some moisture, as the area receives an average of 94 mm (3.7 in) of precipitation over 11 days. With an average humidity of 70%, it's advisable to stay hydrated and appreciate the refreshing atmosphere!

August Temperature in Saint Dennis

In August in Saint Dennis, the average temperature is 25°C (76°F). Maximums can reach 35°C (95°F), and minimums can go as low as 13°C (56°F). It's the perfect time for travelers to enjoy outdoor activities while being prepared for warm days and cooler evenings.

August Weather in Saint Dennis: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Saint Dennis, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint Dennis, August typically has an average temperature of 25°C (76°F), with highs reaching up to 35°C (95°F) and lows dropping to around 13°C (56°F).
JanFebMarAprMayJunJulAugSepOctNovDec353948566775787671604541
Data source: Temperature data for Saint Dennis 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 Saint Dennis

In Saint Dennis in August, the precipitation amount is 94 mm (3.7 in) over the course of 11 days.

August Precipitation Trends in Saint Dennis

The chart displays monthly precipitation patterns in Saint Dennis, 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 Saint Dennis, August typically receives around 94 mm (3.7 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec8712813213712815198941129888106
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Saint Dennis

In Saint Dennis in August humidity is 70%. With an average temperature of 25°C (76°F), this humidity feels like a warm blanket wrapping around you, making outdoor activities a bit sticky but still enjoyable for exploring local attractions and savoring the vibrant culture.

August Average Humidity in Saint Dennis

This chart illustrates the average monthly humidity levels in Saint Dennis, 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 Saint Dennis is approximately 70%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%85%86%84%79%82%79%70%69%76%88%87%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Saint Dennis

In Saint Dennis 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 Saint Dennis.

Maximum UV Index Levels in Saint Dennis for August

The chart shows the monthly maximum UV Index (UVI) for Saint Dennis 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 Saint Dennis typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101110108743
Data source: Saint Dennis 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 Saint Dennis Compares to Other Months

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

This table compares monthly weather conditions in Saint Dennis, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (35°F)87 mm (3.4 inches)87%moderate
February Weather4°C (40°F)128 mm (5.0 inches)85%moderate
March Weather9°C (48°F)132 mm (5.2 inches)86%high
April Weather13°C (56°F)137 mm (5.4 inches)84%very high
May Weather20°C (67°F)128 mm (5.0 inches)79%very high
June Weather24°C (75°F)151 mm (5.9 inches)82%extreme
July Weather26°C (79°F)98 mm (3.9 inches)79%very high
August Weather25°C (76°F)94 mm (3.7 inches)70%very high
September Weather22°C (72°F)112 mm (4.4 inches)69%very high
October Weather16°C (60°F)98 mm (3.9 inches)76%high
November Weather7°C (45°F)88 mm (3.5 inches)88%moderate
December Weather5°C (41°F)106 mm (4.2 inches)87%moderate

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