Florianópolis weather in January
Temperature, sea and sunshine in January: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in January
Good
Best time to visit: December – April
What is the weather like in Florianópolis in January?
In January, Florianópolis is hot: daytime highs average 27 °C, and even at night it stays warm at around 22 °C. The sea averages 25.7 °C – pleasant for swimming. Expect around 6 hours of sunshine a day. It rains often – on about 22 days, adding up to 220 mm. On about 6 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, January is a good month for a holiday in Florianópolis.
January compared
How the weather changes from December to February. Tap a month to open it.
| DecemberDec | JanuaryJan | FebruaryFeb | |
|---|---|---|---|
| Score | 70 | 70 | 71 |
| Day | 26° | 27° | 28° |
| Night | 21° | 22° | 23° |
| Sea | 24° | 26° | 26° |
| Sun | 6 h | 6 h | 6 h |
| Rain days | 18 | 22 | 20 |
More details for January
- Daylight
- 13 h 42 min05:32 – 19:14
- UV index
- 12 · extremeclear sky, noon (estimate)All months
- Muggy days
- 27 daysdew point 18 °C or more
- Wind
- 13 km/haverage daily peak
- Cloud cover
- 74 %on average
- Hot days
- 6 days30 °C or more
- Time zone
- UTC−3America/Sao_Paulo
How the score comes together
- Temperatureweight 35 %100 %
- Seaweight 25 %100 %
- Sunshineweight 20 %48 %
- Few rainy daysweight 20 %0 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in January
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Insect repellent
- Rain jacket or umbrella
Florianópolis in January: quick answers
Is Florianópolis hot in January?
Yes. In January, Florianópolis is hot: daytime highs average 27 °C and nights stay around 22 °C. On about 6 days the thermometer climbs to 30 °C or more.
Can you swim in Florianópolis in January?
Yes. In January the sea averages 25.7 °C – pleasant for swimming.
Does it rain much in Florianópolis in January?
It rains often – on about 22 days, adding up to 220 mm.
Florianópolis month by month
The whole year in FlorianópolisAll destinations: BrazilWhere to go in January
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)