Fernando de Noronha (Noronha) weather in May
Brazil

May in Fernando de Noronha: sweltering, soaked, with clean air — fine if you can take 21 rainy days.
#10 of 12 months in Fernando de Noronha · #921 of 1383 destinations to visit in May · comfort 74/100 (tier B)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Fernando de Noronha in May
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 — May
| Daytime high | 30°C / 86°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 26°C / 78°F | |
| Feels like (high) | 34°C / 93°F | |
| Sea temperature | 29°C / 84°F | ♨️ bath-warm |
| Rainfall | 195 mm / 7.7 in | ⛈ soaked |
| Rainy days | 21 days | |
| Humidity | 82% | 💦 very humid |
| Dew point | 24°C / 76°F | |
| Sunshine | 10.3 h/day | |
| Daylight | 11.9 h | |
| Wind | 26 km/h / 16 mph | |
| Air quality (US AQI) | 42 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Fernando de Noronha in May
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.
Quietone of its worst 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).
Toughest weatherFernando de Noronha's weather peaks September–November.
Best weatherFair weatherToughest weather
What's on in Fernando de Noronha in May
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 ↗
- 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 May — FAQ
- Is May a good time to visit Fernando de Noronha?
- May in Fernando de Noronha: sweltering, soaked, with clean air — fine if you can take 21 rainy days. It ranks #10 of 12 months for Fernando de Noronha on SeasonMap's comfort score (74/100).
- What is the weather like in Fernando de Noronha in May?
- In May, Fernando de Noronha averages a daily high of 30.1°C and a low of 25.5°C, with about 195.3 mm of rain over roughly 21.4 rainy days.
- What is the air quality in Fernando de Noronha in May?
- Fernando de Noronha has a mean US Air Quality Index of about 42 in May.