SeasonMapMorro de São Paulo weather in December
Brazil
December in Morro de São Paulo: warm, rainy, with clean air — fine if you can take 19 rainy days.
#5 of 12 months in Morro de São Paulo · #183 of 1383 destinations to visit in December · comfort 88/100 (tier A)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Morro de São Paulo in December
No notes yet. Open Morro de São Paulo on the map to add the first one.
Morro de São Paulo climate normals — December
| Daytime high | 29°C / 84°F | 🌤 warm |
|---|---|---|
| Nighttime low | 24°C / 75°F | |
| Sea temperature | 28°C / 82°F | 😎 warm sea |
| Rainfall | 96 mm / 3.8 in | 🌧 rainy |
| Rainy days | 19 days | |
| Humidity | 81% | 💦 very humid |
| Dew point | 23°C / 73°F | |
| Sunshine | 11 h/day | |
| Daylight | 12.9 h | |
| Wind | 17 km/h / 10 mph | |
| Air quality (US AQI) | 30 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Morro de São Paulo in December
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 crowdsSummer high season, Summer holidays in Brazil, school holidays in 3 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Morro de São Paulo'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).
Fair weatherMorro de São Paulo's weather doesn't swing hard through the year — comfort stays fairly steady in every month.
What's on in Morro de São Paulo in December
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Rule
Island arrival fee
1 Jan – 31 DecCairu charges everyone landing in the Tinharé archipelago a preservation tariff, paid at the quay or in advance through the council's app. It went from R$70 to R$90 in August 2026. Source ↗
- Season
Summer high season
15 Dec – 28 FebSchool holidaysCrowdedBook earlyNew Year on Segunda Praia and the weeks either side of Carnival are the island at capacity. There are no cars, so every bag goes up the hill behind a wheelbarrow through the crowd.
Nearby, and something's on
Within 300 km of Morro de São Paulo — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Morro de São Paulo?
Morro de São Paulo in December — FAQ
- Is December a good time to visit Morro de São Paulo?
- December in Morro de São Paulo: warm, rainy, with clean air — fine if you can take 19 rainy days. It ranks #5 of 12 months for Morro de São Paulo on SeasonMap's comfort score (88/100).
- What is the weather like in Morro de São Paulo in December?
- In December, Morro de São Paulo averages a daily high of 28.7°C and a low of 24.1°C, with about 95.7 mm of rain over roughly 19.2 rainy days.
- What is the air quality in Morro de São Paulo in December?
- Morro de São Paulo has a mean US Air Quality Index of about 30 in December.
Other months in Morro de São Paulo
Compare Morro de São Paulo in December
Warmer or cooler than Morro de São Paulo in December
Similar destinations in South America — December
Within 300 km: Salvador's Reveillon and Santa Barbara around 3 Dec – 2 Jan.