Florianópolis weather in October
Temperature, sea and sunshine in October: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in October
Poor
Best time to visit: December – April
What is the weather like in Florianópolis in October?
In October, Florianópolis is warm: daytime highs average 23 °C, and nights cool down to about 18 °C. The sea averages 20.6 °C – refreshing for a swim. The sun is scarce, with only about 4 hours a day. It rains often – on about 16 days, adding up to 153 mm. All in all, October is not an ideal month for a holiday in Florianópolis.
October compared
How the weather changes from September to November. Tap a month to open it.
| SeptemberSep | OctoberOct | NovemberNov | |
|---|---|---|---|
| Score | 30 | 39 | 58 |
| Day | 21° | 23° | 24° |
| Night | 16° | 18° | 19° |
| Sea | 19° | 21° | 22° |
| Sun | 4 h | 4 h | 5 h |
| Rain days | 13 | 16 | 17 |
More details for October
- Daylight
- 12 h 42 min05:39 – 18:21
- UV index
- 10 · very highclear sky, noon (estimate)All months
- Muggy days
- 11 daysdew point 18 °C or more
- Wind
- 14 km/haverage daily peak
- Cloud cover
- 81 %on average
- Hot days
- 0 days30 °C or more
- Time zone
- UTC−3America/Sao_Paulo
How the score comes together
- Temperatureweight 35 %62 %
- Seaweight 25 %51 %
- Sunshineweight 20 %10 %
- Few rainy daysweight 20 %13 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in October
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Rain jacket or umbrella
Florianópolis in October: quick answers
Is Florianópolis hot in October?
Warm rather than hot: in October, daytime highs in Florianópolis average 23 °C and nights cool to about 18 °C.
Can you swim in Florianópolis in October?
Yes. In October the sea averages 20.6 °C – refreshing for a swim.
Does it rain much in Florianópolis in October?
It rains often – on about 16 days, adding up to 153 mm.
Florianópolis month by month
The whole year in FlorianópolisAll destinations: BrazilWhere to go in OctoberSea temperature in October
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0)