August weather forecast
Switzerland

As the last full month of summer, August in Switzerland retains much of July's warmth, but with a subtle hint of the approaching autumn. In the Central Plateau, where cities including Zurich and Bern are situated, temperatures commonly vary between 15°C (59°F) and 30°C (86°F). Residents and visitors can often be seen taking advantage of the warm climate by indulging in various outdoor activities, from lake swims to picnics in the verdant parks.

In elevated regions like the Jura and the Alps, the snow is predominantly limited to the highest peaks. Vast stretches of hiking trails, ridges, and meadows are laid bare, inviting enthusiasts to witness the beauty of the Swiss summer landscapes. Precipitation in the Central Plateau is mostly rain, with measurements typically spanning from 813mm (32.01") to 1321mm (52.01"). The abundant sunlight ensures that days remain bright, maximizing opportunities for exploration and relaxation.

August sees rain showers that, though occasionally robust, are brief, allowing the sky to clear up swiftly. As the month progresses, there's a discernible dip in nighttime temperatures, hinting at the upcoming cooler months. The humidity remains palpable, and the occasional appearance of the Fohn winds continues to bring dry, warm breezes. August's allure lies in its blend of summery warmth and the initial signs of autumn, making it a delightful period for tourists to experience the dynamic facets of Swiss nature.

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• Zürich - August »
  In Zürich in August, during 11.6 rainfall days, 124mm (4.88") of precipitation is typically accumulated. Zürich experiences an average high-temperature of a still moderately hot 23.3°C (73.9°F) in August, subtly different from July's 24°C (75.2°F).
• Geneva - August »
  In Geneva during August, the rain falls for 7.9 days and regularly aggregates up to 82mm (3.23") of precipitation. In Geneva, during August, the rain falls for 7.9 days and regularly aggregates up to 82mm (3.23") of precipitation.
• Basel - August »
  In Basel in August, it is raining for 9.9 days, with typically 80mm (3.15") of accumulated precipitation. August temperatures in Basel vary between a high-temperature of 24.7°C (76.5°F) and a low-temperature of 14.2°C (57.6°F).
• Lausanne - August »
  The months with the lowest humidity in Lausanne are April, July and August, with an average relative humidity of 77%. In Lausanne during August, the rain falls for 16.8 days and regularly aggregates up to 81mm (3.19") of precipitation.
• Bern - August »
  On the first day of August in Bern, sunrise is at 06:10 and sunset at 21:02. The commencement of August in Bern notes an average high-temperature of a still warm 23.7°C (74.7°F), exhibiting little difference from the previous month.
• Winterthur - August »
  On the first day of August in Winterthur sunrise is at 06:02 and sunset at 21:00. In Winterthur in August, it is raining for 12.3 days, with typically 66mm (2.6") of accumulated precipitation.
• Lucerne - August »
  On the last day of August, in Lucerne, sunrise is at 06:44 and sunset at 20:09 CEST. In Lucerne, during August, the rain falls for 12.5 days and regularly aggregates up to 146mm (5.75") of precipitation.
• Lugano - August »
  On the first day of August in Lugano, sunrise is at 06:07 and sunset at 20:53. In Lugano, during August, the rain falls for 10 days and regularly aggregates up to 56mm (2.2") of precipitation.
• Biel/Bienne - August »
  On the first day of August in Biel/Bienne, sunrise is at 06:09 and sunset at 21:05. In Biel/Bienne, in August, it is raining for 10.6 days, with typically 113mm (4.45") of accumulated precipitation.
• Thun - August »
  July and August, with an average relative humidity of 79%, are the least humid months in Thun, Switzerland. June through August, with an average maximum UV index of 4, are months with the highest UV index in Thun, Switzerland.
• Köniz - August »
  April, July and August, with an average relative humidity of 77%, are the least humid months in Köniz. In Köniz, during August, the rain falls for 14.1 days and regularly aggregates up to 47mm (1.85") of precipitation.
• La Chaux-de-Fonds - August »
  Entering August in La Chaux-de-Fonds, the average high-temperature is recorded at a still pleasant 20.2°C (68.4°F), exhibiting a minimal shift from July's 20.7°C (69.3°F). August ensures that summer retains its firm grip over the weather in La Chaux-de-Fonds, holding the temperatures between 9.4°C (48.9°F) and 20.2°C (68.4°F).