Florianópolis weather in August
August in Florianópolis: nice, rainy, with clean air — a great time to visit.
#7 of 12 months in Florianópolis · #359 of 604 destinations to visit in August · comfort 75/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Florianópolis climate normals — August
| Daytime high | 20°C / 69°F | 😎 nice |
|---|---|---|
| Nighttime low | 15°C / 58°F | |
| Feels like (high) | 21°C / 70°F | |
| Rainfall | 90 mm / 3.6 in | 🌧 rainy |
| Rainy days | 10 days | |
| Humidity | 82% | 💦 very humid |
| Dew point | 14°C / 57°F | |
| Sunshine | 7.5 h/day | |
| Daylight | 11.2 h | |
| Wind | 13 km/h / 8 mph | |
| Air quality (US AQI) | 45 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Florianópolis?
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Florianópolis in August — FAQ
- Is August a good time to visit Florianópolis?
- August in Florianópolis: nice, rainy, with clean air — a great time to visit. It ranks #7 of 12 months for Florianópolis on SeasonMap's comfort score (75/100).
- What is the weather like in Florianópolis in August?
- In August, Florianópolis averages a daily high of 20.4°C and a low of 14.5°C, with about 90.2 mm of rain over roughly 9.8 rainy days.
- What is the air quality in Florianópolis in August?
- Florianópolis has a mean US Air Quality Index of about 45 in August.