Verdict: Excellent month
Geneva Weather in August
August runs warm in Geneva, with daily highs around 27°C (81°F) and nights near 17°C (63°F). Expect showers on roughly 9 days of the month — rarely trip-ruining, worth planning around. Overall, August is one of the best months of the year to be in Geneva.
Average high
27°C / 81°F
Average low
17°C / 63°F
Rain days
~9
Precipitation
63 mm
What to pack for Geneva in August
- Summer clothes, plus one light layer for air-con and evenings
- High-SPF sunscreen, sunglasses, and a refillable water bottle
- A packable rain shell or compact umbrella earns its space
- Comfortable walking shoes — every guide on this site assumes you'll use them
August against the rest of the year
Warmest in Geneva: Jul (27°C / 81°F) · Coolest: Jan (6°C / 43°F) · Wettest: Dec (~15 rain days)
6°
0°
Jan
9°
1°
Feb
12°
3°
Mar
15°
5°
Apr
19°
10°
May
24°
15°
Jun
27°
17°
Jul
27°
17°
Aug
22°
13°
Sep
17°
9°
Oct
10°
4°
Nov
6°
1°
Dec
Daily highs / lows in °C · bars show rain days per month · ERA5 climate normals (2020–2024)