Switzerland
Interlaken in August: weather & travel advice
This month's data profile
Rain shapes the decision
Interlaken in August is climatically mixed. The average daily high is around 17 °C. With about 18 rainy days it is very wet.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
50/100 · #1
Warmth
#1
Dryness
#9
Sun
#3
Published best categories: City break, Active
Interlaken · AugustPhoto: André Schakkal · CC BY-SA 4.0Climate facts
- Average high
- 17 °C
- Average low
- 7 °C
- Rainy days (est.)
- 18 rainy days (est.)
- Sun (est.)
- 6 h/day
- Humidity
- 77 %
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Score |
|---|---|---|---|---|---|---|---|---|
| July | 16 | 7 | 19 | 150 | 7.1 | 77 | 1.3 | 48 |
| August (selected) | 17 | 7 | 18 | 149 | 6.2 | 77 | 1.1 | 50 |
| September | 13 | 4 | 16 | 123 | 4.7 | 81 | 1.2 | 39 |
How do the previous and next months compare?
Baseline: August (50/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | |
|---|---|---|---|---|---|---|---|---|
| July | -2 | ±0 °C | ±0 °C | +1.6 | +0.9 mm | +0.9 h | -0.2 % | +0.1 m/s |
| September | -11 | -3.9 °C | -3.7 °C | -1.8 | -25.7 mm | -1.5 h | +3.4 % | +0.1 m/s |
All twelve months in context
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Useful next decisions
Frequently asked questions
How warm is Interlaken in August?
The average daily high is around 17 °C, with an average daily low of about 7 °C.
Does it rain a lot in Interlaken in August?
The curated estimate is about 18 rainy days per month, not a directly measured long-term average. Total precipitation averages around 149 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Interlaken?
No month in Interlaken reaches the threshold for a clear recommendation in the climate score; the month comparison above shows the differences.