Last updated: June 24, 2025
In August, the average temperature in Interlaken, United States hovers around 21°C (71°F). Expect a chilly minimum of 8°C (47°F) and summery highs reaching up to 34°C (93°F). Precipitation averages 86 mm (3.4 in) over about 12 days, contributing to an average humidity of 76%. Embrace the diverse weather but don't forget your umbrella!
In August in Interlaken, the average temperature is 21°C (71°F). Maximum temperatures can reach 34°C (93°F), while minimum temperatures can dip as low as 8°C (47°F). Overall, it's advisable to pack for both warm days and cooler evenings while traveling during this time.
In Interlaken in August, the precipitation amount is 86 mm (3.4 in) over a span of 12 days.
In Interlaken in August humidity is 76%. With an average temperature of 21°C (71°F), this humidity feels like a warm, enveloping blanket, making traveling both refreshing and a bit exhausting, as the air clings to your skin and you often find yourself reaching for water to stay hydrated.
In Interlaken 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 Interlaken.
UV Risk Categories
Weather in Interlaken varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Interlaken, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -3°C (27°F) | 76 mm (3.0 inches) | 90% | moderate |
| February Weather | -2°C (28°F) | 85 mm (3.4 inches) | 90% | moderate |
| March Weather | 1°C (35°F) | 80 mm (3.2 inches) | 87% | high |
| April Weather | 8°C (46°F) | 111 mm (4.4 inches) | 88% | very high |
| May Weather | 14°C (58°F) | 119 mm (4.7 inches) | 82% | very high |
| June Weather | 19°C (67°F) | 90 mm (3.5 inches) | 79% | very high |
| July Weather | 22°C (72°F) | 135 mm (5.3 inches) | 78% | very high |
| August Weather | 21°C (71°F) | 86 mm (3.4 inches) | 76% | very high |
| September Weather | 18°C (64°F) | 82 mm (3.2 inches) | 78% | very high |
| October Weather | 12°C (54°F) | 144 mm (5.7 inches) | 84% | high |
| November Weather | 4°C (39°F) | 89 mm (3.5 inches) | 89% | moderate |
| December Weather | 0°C (32°F) | 91 mm (3.6 inches) | 86% | low |