Fernando de Noronha (Noronha) weather in October
Brazil

October in Fernando de Noronha: hot, dry, with clean air — fine if you can take sticky heat.
#2 of 12 months in Fernando de Noronha · #165 of 1383 destinations to visit in October · comfort 89/100 (tier A)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Fernando de Noronha in October
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 — October
| Daytime high | 30°C / 86°F | 🥵 hot |
|---|---|---|
| Nighttime low | 25°C / 77°F | |
| Feels like (high) | 33°C / 91°F | |
| Sea temperature | 27°C / 81°F | 😎 warm sea |
| Rainfall | 18 mm / 0.7 in | ☀️ dry |
| Rainy days | 8 days | |
| Humidity | 79% | 💦 very humid |
| Dew point | 22°C / 72°F | |
| Sunshine | 11.5 h/day | |
| Daylight | 12.2 h | |
| Wind | 31 km/h / 19 mph | |
| Air quality (US AQI) | 49 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Fernando de Noronha in October
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.
Busyone of its best months for weather(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).
Best weatherFernando de Noronha's weather peaks September–November.
Best weatherFair weatherToughest weather
What's on in Fernando de Noronha in October
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
Calm sea and clear water
1 Aug – 30 Nov · usuallyDry seasonThe swell drops out of the north coast from August and underwater visibility is at its best into November, which is also when the island is emptiest between the Brazilian holiday blocks.
Where is Fernando de Noronha?
Fernando de Noronha in October — FAQ
- Is October a good time to visit Fernando de Noronha?
- October in Fernando de Noronha: hot, dry, with clean air — fine if you can take sticky heat. It ranks #2 of 12 months for Fernando de Noronha on SeasonMap's comfort score (89/100).
- What is the weather like in Fernando de Noronha in October?
- In October, Fernando de Noronha averages a daily high of 30.2°C and a low of 25.2°C, with about 18 mm of rain over roughly 7.8 rainy days.
- What is the air quality in Fernando de Noronha in October?
- Fernando de Noronha has a mean US Air Quality Index of about 49 in October.