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August Weather in Saint-Germain, France

Last updated: August 23, 2025

In Saint-Germain, France, the average temperature in August typically hovers around 21°C (70°F). Temperatures can vary significantly, with minimums dropping to 9°C (48°F) and maximums soaring up to 39°C (102°F). Expect about 25 mm (1.0 in) of precipitation over 6 days, contributing to an average humidity of 68%. Whether you're enjoying the warmth or bracing for a refreshing shower, be prepared for a dynamic climate!

August Temperature in Saint-Germain

In August in Saint-Germain, the average temperature is 21°C (70°F). Maximum temperatures can reach 39°C (102°F) while the minimum can drop to as low as 9°C (48°F). Be prepared for a variety of weather conditions while traveling, from warm days to cooler evenings.

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

The chart illustrates August temperature patterns in Saint-Germain, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint-Germain, August typically has an average temperature of 21°C (70°F), with highs reaching up to 39°C (102°F) and lows dropping to around 9°C (48°F).
JanFebMarAprMayJunJulAugSepOctNovDec414548545967717064564744
Data source: Temperature data for Saint-Germain 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-Germain

In Saint-Germain in August, the precipitation amount is 25 mm (1.0 in) spread over 6 days.

August Precipitation Trends in Saint-Germain

The chart displays monthly precipitation patterns in Saint-Germain, 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-Germain, August typically receives around 25 mm (1.0 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec5864745384733625397671102
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Saint-Germain

In Saint-Germain in August humidity is 68%. With an average temperature of 21°C (70°F), this humidity feels like a warm embrace, making the air feel slightly heavy and sticky, which can be quite exhausting for travelers.

August Average Humidity in Saint-Germain

This chart illustrates the average monthly humidity levels in Saint-Germain, 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-Germain is approximately 68%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%88%85%84%83%79%71%68%76%87%91%93%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Saint-Germain

In Saint-Germain in August, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Saint-Germain.

Maximum UV Index Levels in Saint-Germain for August

The chart shows the monthly maximum UV Index (UVI) for Saint-Germain 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-Germain typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986532
Data source: Saint-Germain 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-Germain Compares to Other Months

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

This table compares monthly weather conditions in Saint-Germain, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)58 mm (2.3 inches)90%low
February Weather7°C (45°F)64 mm (2.5 inches)88%moderate
March Weather9°C (49°F)74 mm (2.9 inches)85%moderate
April Weather12°C (54°F)53 mm (2.1 inches)83%high
May Weather15°C (60°F)83 mm (3.3 inches)83%very high
June Weather19°C (67°F)73 mm (2.9 inches)79%very high
July Weather22°C (71°F)36 mm (1.4 inches)71%very high
August Weather21°C (70°F)25 mm (1.0 inches)68%very high
September Weather18°C (65°F)39 mm (1.5 inches)76%high
October Weather14°C (57°F)76 mm (3.0 inches)87%moderate
November Weather8°C (47°F)70 mm (2.8 inches)91%moderate
December Weather7°C (45°F)102 mm (4.0 inches)93%low

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