August Weather in Boulogne-sur-Gesse, France

Last updated: August 23, 2025

In August, the average temperature in Boulogne-sur-Gesse, France hovers around 21°C (71°F), with a range that can dip to a cool 10°C (51°F) and soar to a sizzling 38°C (101°F). Expect some moisture, as 68 mm (2.7 in) of rain falls over approximately 11 days. With an average humidity of 70%, it's a month where you'll feel the warmth, but not without a sprinkle of refreshing rain!

August Temperature in Boulogne-sur-Gesse

In August in Boulogne-sur-Gesse, the average temperature is 21°C (71°F). Maximums can reach 38°C (101°F), and minimums can drop as low as 10°C (51°F). This variability makes it essential for travelers to pack both lightweight clothing for the heat and warmer layers for cooler evenings.

August Weather in Boulogne-sur-Gesse: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Boulogne-sur-Gesse, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Boulogne-sur-Gesse, August typically has an average temperature of 21°C (71°F), with highs reaching up to 38°C (101°F) and lows dropping to around 10°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec424750546067717165574845
Data source: Temperature data for Boulogne-sur-Gesse 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 Boulogne-sur-Gesse

In Boulogne-sur-Gesse in August, the total precipitation amount is 68 mm (2.7 in) spread over a duration of 11 days.

August Precipitation Trends in Boulogne-sur-Gesse

The chart displays monthly precipitation patterns in Boulogne-sur-Gesse, 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 Boulogne-sur-Gesse, August typically receives around 68 mm (2.7 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec828081941111127568748498134
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Boulogne-sur-Gesse

In Boulogne-sur-Gesse in August humidity is 70%. With an average temperature of 21°C (71°F), this humidity feels like a warm, enveloping blanket, making travel feel both comfortable and slightly sticky, requiring frequent breaks to stay refreshed.

August Average Humidity in Boulogne-sur-Gesse

This chart illustrates the average monthly humidity levels in Boulogne-sur-Gesse, 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 Boulogne-sur-Gesse is approximately 70%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%83%80%77%75%74%72%70%73%82%87%88%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Boulogne-sur-Gesse

In Boulogne-sur-Gesse 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 Boulogne-sur-Gesse.

Maximum UV Index Levels in Boulogne-sur-Gesse for August

The chart shows the monthly maximum UV Index (UVI) for Boulogne-sur-Gesse 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 Boulogne-sur-Gesse typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24679101097532
Data source: Boulogne-sur-Gesse 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 Boulogne-sur-Gesse Compares to Other Months

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

This table compares monthly weather conditions in Boulogne-sur-Gesse, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)82 mm (3.2 inches)87%low
February Weather8°C (47°F)80 mm (3.1 inches)83%moderate
March Weather10°C (50°F)81 mm (3.2 inches)80%high
April Weather12°C (54°F)94 mm (3.7 inches)77%high
May Weather16°C (60°F)111 mm (4.4 inches)75%very high
June Weather19°C (67°F)112 mm (4.4 inches)74%very high
July Weather21°C (71°F)75 mm (2.9 inches)72%very high
August Weather21°C (71°F)68 mm (2.7 inches)70%very high
September Weather18°C (66°F)74 mm (2.9 inches)73%high
October Weather14°C (58°F)84 mm (3.3 inches)82%moderate
November Weather9°C (48°F)98 mm (3.9 inches)87%moderate
December Weather7°C (46°F)134 mm (5.3 inches)88%low

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