SeasonMapFernando de Noronha (Noronha) weather in December
Brazil
December in Fernando de Noronha: sweltering, a little rain, with clean air — fine if you can take sticky heat.
#5 of 12 months in Fernando de Noronha · #201 of 1383 destinations to visit in December · comfort 87/100 (tier A)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Fernando de Noronha in December
Other months in Fernando de Noronha
Fernando de Noronha's forum calls November good, though not the very best of the year — that stretch runs roughly August through October, before the December-through-March rainy season sets in. Regulars note temperatures stay warm, 25-30°C, essentially year-round regardless of rain, and flag that the island's whole draw is nature, so a rainy day here means genuinely limited alternative activities.
Add your own note from Fernando de Noronha's card on the map.
Fernando de Noronha climate normals — December
| Daytime high | 31°C / 87°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 26°C / 78°F | |
| Feels like (high) | 34°C / 93°F | |
| Sea temperature | 28°C / 82°F | 😎 warm sea |
| Rainfall | 44 mm / 1.7 in | 🌦 some rain |
| Rainy days | 11 days | |
| Humidity | 81% | 💦 very humid |
| Dew point | 23°C / 74°F | |
| Sunshine | 11.4 h/day | |
| Daylight | 12.3 h | |
| Wind | 29 km/h / 18 mph | |
| Air quality (US AQI) | 36 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Fernando de Noronha 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.
BusySummer holidays in Brazil, school holidays in 3 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Fernando de Noronha'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 weatherFernando de Noronha's weather peaks September–November.
Best weatherFair weatherToughest weather
What's on in Fernando de Noronha in December
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Rule
Island tax and park ticket
1 Jan – 31 DecBook earlyEveryone pays a daily environmental tax that climbs the longer you stay, and the best beaches sit inside the marine park and need a separate ticket valid ten days. Buy both before you fly. Source ↗
- Season
Surf season on the mar de dentro
1 Dec – 31 Mar · usuallyNorth-west swell lands on Cacimba do Padre from December and peaks around February, when the contest takes the beach. The same swell ends the flat-water snorkelling on that coast.
- Nature
Green turtle nesting
1 Dec – 30 Jun · usuallyGreen turtles come ashore on Leao and Sueste through the southern summer and the hatchlings run into the autumn; nests are roped off and the beaches close at night while it lasts.
Where is Fernando de Noronha?
Fernando de Noronha in December — FAQ
- Is December a good time to visit Fernando de Noronha?
- December in Fernando de Noronha: sweltering, a little rain, with clean air — fine if you can take sticky heat. It ranks #5 of 12 months for Fernando de Noronha on SeasonMap's comfort score (87/100).
- What is the weather like in Fernando de Noronha in December?
- In December, Fernando de Noronha averages a daily high of 30.7°C and a low of 25.8°C, with about 44 mm of rain over roughly 11.4 rainy days.
- What is the air quality in Fernando de Noronha in December?
- Fernando de Noronha has a mean US Air Quality Index of about 36 in December.