Will it rain today in Florianópolis?
Should you take an umbrella in Florianópolis? The forecast below loads live every time you open the page: rain now, when the next shower comes, and how much falls today and tomorrow.
Rain right now
It is raining in Florianópolis right now: light rain. Today’s total: 3.7 mm over 12 wet hours. Tomorrow looks dry.
As of 2026-10-16 17:35 UTC (NOAA GFS snapshot). Updating live…
Rain every 3 hours, today and tomorrow
Today · Friday 16 October
3.7 mm of rain, 12 wet hours, up to 0.3 mm/h. (the forecast covers part of the day)
Every 3 hours as a table
| Hours | Rain (mm) | mm/h | Type |
|---|---|---|---|
| 06:00–09:00 | 0.6 | 0.2 | light · rain |
| 09:00–12:00 | 1.0 | 0.3 | light · rain |
| 12:00–15:00 | 1.0 | 0.3 | light · rain |
| 15:00–18:00 | 1.0 | 0.3 | light · rain |
| 18:00–21:00 | 0.2 | 0.1 | dry |
| 21:00–00:00 | 0 | 0 | dry |
Tomorrow · Saturday 17 October
Dry: no rain in the forecast.
Every 3 hours as a table
| Hours | Rain (mm) | mm/h | Type |
|---|---|---|---|
| 00:00–03:00 | 0 | 0 | dry |
| 03:00–06:00 | 0.1 | 0 | dry |
| 06:00–09:00 | 0.1 | 0 | dry |
| 09:00–12:00 | 0 | 0 | dry |
| 12:00–15:00 | 0 | 0 | dry |
| 15:00–18:00 | 0.1 | 0 | dry |
| 18:00–21:00 | 0 | 0 | dry |
| 21:00–00:00 | 0.1 | 0 | dry |
Times in local time (America/Sao_Paulo). Each bar is the rain over 3 hours; striped bars are snow.
Rain map around Florianópolis
The same NOAA GFS precipitation on the map, moving hour by hour: blue light, darker heavy. Tap for the value.
How much it rains in Florianópolis, month by month
Florianópolis gets about 1,569 mm of rain a year. The wettest month is January (189 mm), the driest June (96 mm); a normal October brings 144 mm.
Average monthly rain and snow (water equivalent) 2001–2025, NASA POWER (MERRA-2 reanalysis, public domain), on a ~50 km grid: mountains and coasts can differ locally.
More for Florianópolis
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Questions
- Will it rain today in Florianópolis?
- At 16 October 2026 the forecast said: It is raining in Florianópolis right now: light rain. Today’s total: 3.7 mm over 12 wet hours. Tomorrow looks dry. The box at the top of the page loads the latest NOAA GFS forecast every time you open it, with the time the next rain starts.
- How much does it rain in Florianópolis?
- About 1,569 mm a year on average (2001–2025). January is the wettest month with 189 mm, June the driest with 96 mm.
- What do the rain amounts mean?
- 1 mm is a litre of water per square metre. Under 2.5 mm an hour is light rain (a drizzle to a steady rain), 2.5–7.6 moderate, above 7.6 heavy: you get soaked in minutes and streets can flood.
- How accurate is the forecast?
- It is the global NOAA GFS model on a 0.25° grid every 3 hours: good at telling a rainy day from a dry one, less at placing a single summer thunderstorm. Check the rain map for the showers moving around Florianópolis.
Rain forecast nearby
Curitiba · Porto Alegre · São Paulo · Campinas · Rio de Janeiro · Búzios
How this page works
The rain is the one the rain layer of the map paints: NOAA GFS forecast (public domain), precipitation rate averaged over 3 hours, read at Florianópolis and summed per local day. Rain or snow comes from the GFS precipitation type. The monthly normals are NASA POWER. No third-party weather service.