Geneva in August
In August, Geneva averages 25°C (77°F) during the day and 15°C (59°F) at night, with around 10 days of rain (90 mm total).
Peak seasonConditions are comfortable for sightseeing without being sweltering. Plan for unsettled weather and bring rain gear.
August offers comfortable temperatures in Geneva, with some rain to plan around.
How August compares to the rest of the year in Geneva
August is one of the warmest months in Geneva (2nd of 12) and moderately rainy compared to the rest of the year (9th of 12). Daytime temperature runs 10°C above the annual average (15°C). August runs 1°C cooler than July (26°C) and cools 4°C in September (21°C).
August sunrise & sunset in Geneva
Times shown for Geneva local time (Europe/Zurich), calculated for the 15th of August. They shift by a few minutes day to day across the month.
Photography light in Geneva — August
Golden-hour and blue-hour windows for the 15th of August, in Geneva's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Geneva in August
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on August's tier (Peak season) and Geneva's popularity.
Crowds & pricing — August in Geneva
Geneva is in peak season during this month — expect bigger crowds at famous sights, higher hotel and flight prices, and longer queues. Restaurant reservations a few days out are advisable, and any boutique hotels you have your eye on should be booked weeks ahead. The trade-off: most attractions, restaurants, and seasonal services are fully open, the weather is at its most reliable, and the city feels at its most alive.
Why this tier: excellent tourism weather Northern Hemisphere summer holidays
Sun & mosquito risk — August in Geneva
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Geneva in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 4°C / 39°F | -2°C / 28°F | 75 mm | 11 | 4 |
| February | 6°C / 43°F | -1°C / 30°F | 70 mm | 10 | 3 |
| March | 11°C / 52°F | 2°C / 36°F | 75 mm | 10 | 1 |
| April | 15°C / 59°F | 5°C / 41°F | 80 mm | 10 | 0 |
| May | 19°C / 66°F | 9°C / 48°F | 90 mm | 11 | 0 |
| June | 23°C / 73°F | 13°C / 55°F | 95 mm | 10 | 0 |
| July | 26°C / 79°F | 15°C / 59°F | 80 mm | 9 | 0 |
| August | 25°C / 77°F | 15°C / 59°F | 90 mm | 10 | 0 |
| September | 21°C / 70°F | 11°C / 52°F | 90 mm | 9 | 0 |
| October | 15°C / 59°F | 7°C / 45°F | 95 mm | 10 | 0 |
| November | 8°C / 46°F | 2°C / 36°F | 90 mm | 11 | 1 |
| December | 5°C / 41°F | 0°C / 32°F | 80 mm | 11 | 3 |
Other cities with similar August weather
🌍 See the full ranked list of climate twins for Geneva in August →
Frequently asked questions
How hot is Geneva in August?
In August, Geneva averages a high of 25°C (77°F) and a low of 15°C (59°F) — generally warm.
Does it rain a lot in Geneva in August?
August can be fairly wet in Geneva, with about 10 rainy days on average.
Is August a good time to visit Geneva?
August is warm. It suits travelers who are comfortable with warm weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Geneva in August?
Pack light layers for warm days and cooler evenings, plus a compact umbrella or rain jacket. See the full August packing list for Geneva for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.