Last updated: August 23, 2025
In Sillery, France, the average temperature in August lovingly settles at 20°C (68°F). While the minimum dips to a cool 6°C (43°F), the mercury can soar to a blistering 38°C (101°F). With 61 mm (2.4 in) of precipitation spread over 10 days, you can expect a mix of sunny and rainy moments. The air is typically 76% humid, adding a touch of tropical feel to your adventures!
In August in Sillery, the average temperature is 20°C (68°F), with maximums reaching up to 38°C (101°F) and minimums dipping as low as 6°C (43°F). This varied climate makes it essential for travelers to pack layers to adjust to both warm days and cooler evenings.
In Sillery in August, the precipitation amount is 61 mm (2.4 in) over a span of 10 days.
In Sillery in August, humidity is 76%. With an average temperature of 20°C (68°F), this humidity feels like a warm blanket wrapping around you, making outdoor exploration both exhilarating and slightly stifling, ideal for leisurely strolls but necessitating frequent breaks to hydrate and cool off.
In Sillery 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 Sillery.
UV Risk Categories
Weather in Sillery varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Sillery, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 4°C (39°F) | 73 mm (2.9 inches) | 91% | low |
| February Weather | 6°C (42°F) | 74 mm (2.9 inches) | 89% | moderate |
| March Weather | 8°C (46°F) | 76 mm (3.0 inches) | 86% | moderate |
| April Weather | 11°C (52°F) | 36 mm (1.4 inches) | 84% | high |
| May Weather | 14°C (58°F) | 63 mm (2.5 inches) | 82% | very high |
| June Weather | 19°C (66°F) | 69 mm (2.7 inches) | 82% | very high |
| July Weather | 20°C (69°F) | 64 mm (2.5 inches) | 80% | very high |
| August Weather | 20°C (68°F) | 61 mm (2.4 inches) | 76% | very high |
| September Weather | 16°C (62°F) | 59 mm (2.3 inches) | 81% | high |
| October Weather | 12°C (54°F) | 85 mm (3.3 inches) | 88% | moderate |
| November Weather | 7°C (45°F) | 68 mm (2.7 inches) | 92% | low |
| December Weather | 5°C (42°F) | 116 mm (4.6 inches) | 93% | low |