Lucerne weather in August
August in Lucerne: warm, soaked — one of the best months to visit.
#2 of 12 months in Lucerne · #220 of 604 destinations to visit in August · comfort 84/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Lucerne climate normals — August
| Daytime high | 24°C / 75°F | 🌤 warm |
|---|---|---|
| Nighttime low | 16°C / 61°F | |
| Feels like (high) | 25°C / 77°F | |
| Rainfall | 193 mm / 7.6 in | ⛈ soaked |
| Rainy days | 15 days | |
| Humidity | 73% | 💧 humid |
| Dew point | 15°C / 60°F | |
| Sunshine | 10.6 h/day | |
| Daylight | 14.2 h | |
| Wind | 8 km/h / 5 mph | |
| Air quality (US AQI) | 54 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Lucerne in August — FAQ
- Is August a good time to visit Lucerne?
- August in Lucerne: warm, soaked — one of the best months to visit. It ranks #2 of 12 months for Lucerne on SeasonMap's comfort score (84/100).
- What is the weather like in Lucerne in August?
- In August, Lucerne averages a daily high of 23.7°C and a low of 16°C, with about 193.1 mm of rain over roughly 14.8 rainy days.
- What is the air quality in Lucerne in August?
- Lucerne has a mean US Air Quality Index of about 54 in August.