Bonifacio weather in August
France

August in Bonifacio: sweltering, dry — fine if you can take 36°C afternoons.
#2 of 12 months in Bonifacio · #60 of 1383 destinations to visit in August · comfort 93/100 (tier S)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Bonifacio in August
Other months in Bonifacio
Bonifacio's forum calls July hot, sunny and genuinely busy — regulars say parking fills up early in peak season, though it's a step down from the crowds at Capri or Santorini. Those wanting the same warm, sunny weather with fewer people generally point to June or September instead.
Add your own note from Bonifacio's card on the map.
Bonifacio climate normals — August
| Daytime high | 32°C / 90°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 20°C / 68°F | |
| Feels like (high) | 36°C / 97°F | |
| Sea temperature | 25°C / 77°F | 🙂 pleasant |
| Rainfall | 9 mm / 0.4 in | ☀️ dry |
| Rainy days | 2 days | |
| Humidity | 70% | 💧 humid |
| Dew point | 18°C / 64°F | |
| Sunshine | 12.6 h/day | |
| Daylight | 13.8 h | |
| Wind | 22 km/h / 14 mph | |
| Air quality (US AQI) | 53 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Bonifacio in August
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Peak crowdsThe August crush, Summer holidays in France, school holidays in 6 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Bonifacio's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Best weatherBonifacio's weather peaks June–August, best around July.
Best weatherFair weatherToughest weather
What's on in Bonifacio in August
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Opening
Lavezzi boat season
15 Apr – 31 Oct · usuallySummer season opensShuttles and excursion boats to the islands run from the middle of April to the end of October, hourly at the height of summer and on a shorter trip in April and October. Tickets are sold on the quay. Source ↗
- Season
Sea warm enough to swim
10 Jun – 10 Oct · usuallyThe water off the Lavezzi and the beaches east of town is swimmable from June into early October. Wind, not temperature, is what usually decides whether the day happens.
- Hazard
Fire risk and closed massifs
15 Jun – 30 Sep · usuallySmoke seasonClosuresThe prefecture bans fires and outdoor work across Corse-du-Sud into the end of September, and on severe-risk days closes forest massifs inland, Bavella included, to walkers and cars. Source ↗
- Holiday
The August crush
15 Jul – 31 AugSchool holidaysCrowdedBook earlyThe one road up to the citadel is a queue by mid-morning and the marina berths are gone from spring. Restaurants take August bookings weeks ahead and drop the shoulder-season menus. Source ↗
Nearby, and something's on
Within 300 km of Bonifacio — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Bonifacio?
Bonifacio in August — FAQ
- Is August a good time to visit Bonifacio?
- August in Bonifacio: sweltering, dry — fine if you can take 36°C afternoons. It ranks #2 of 12 months for Bonifacio on SeasonMap's comfort score (93/100).
- What is the weather like in Bonifacio in August?
- In August, Bonifacio averages a daily high of 32.3°C and a low of 20°C, with about 9.1 mm of rain over roughly 1.8 rainy days.
- What is the air quality in Bonifacio in August?
- Bonifacio has a mean US Air Quality Index of about 53 in August.
Other months in Bonifacio
Compare Bonifacio in August
Warmer or cooler than Bonifacio in August
Similar destinations in Western Europe — August
Within 300 km: Ajaccio's Journees Napoleoniennes on 12–15 Aug, and Alghero's Vermentino harvest around 20 Aug – 5 Oct.