Nosy Be weather in November

November in Nosy Be: sweltering, soaked, with clean air — fine if you can take 26 rainy days.

Updated September 2026 · climate normals from ERA5 reanalysis

Nosy Be🇲🇬 Madagascar · Indian Ocean Islands · Island76
  1. 58Jan
  2. 62Feb
  3. 60Mar
  4. 79Apr
  5. 87May
  6. 92Jun
  7. 94Jul
  8. 91Aug
  9. 89Sep
  10. 84Oct
  11. 76Nov
  12. 68Dec

#8 of 12 months in Nosy Be · #597 of 1413 destinations to visit in November · comfort 76/100 (tier B)

Days
31°C
Nights
23°C
Wet days
26
Sun
11.3 h
Humidity
78%
Daylight
13 h
Nosy Be, Madagascar
Photo: Boldair · CC BY-SA 4.0

Traveller notes on Nosy Be in November

Other months in Nosy Be

Regulars are specific this falls near the tail end of the broader Madagascar dry season, April through October, one visitor calling October a genuinely perfect stretch for travel across much of the country, though by late October and into November the heat itself becomes noticeably more intense. Our row backs that hot, genuinely wet read, 30.7C reading as a scorching 35C, over 21.6C nights feeling 24C, with a substantial 92.6mm of rain across 21.4 days and humidity at 74 percent. Regulars are consistent Nosy Be and its nearby islands, including Nosy Komba and Nosy Sakatia, remain a popular base with Ambatoloaka a convenient spot to arrange local boat excursions. Real showers stay a genuine part of the picture here even this late in the dry season. The sea sits at a bath-warm 29.1C. The record: 11.1 hours of sun, an 18.7 kph wind and AQI 27.
TailEndOfDrySeasonRealShowersStill · October · 1 month ago · Read more on Tripadvisor ↗
Regulars are candid that sources disagree on exactly when the wet season ends here - some say after March, others say it can run into the first couple weeks of this month - and even once it's officially the dry season's start, regulars still recommend packing a jacket since rain on some days is likely unless a visitor gets genuinely lucky. Our row backs the still-wet transition, 54.3mm of rain across 14.9 days, alongside real heat, 30.9C reading as a hot 35C at 76 percent humidity, over 21.3C nights. Regulars are consistent the dry season proper, May through October, is still the favoured window overall despite this rough patch at its start. The sea holds a very warm 30.2C. The record: 10.5 hours of sun, a 13.8 kph wind and one of the cleanest air readings in this project, AQI 18.
OfficiallyDryStillBringAJacket · May · 1 month ago · Read more on Tripadvisor ↗
September is the threshold of the whale shark season rather than the season itself. The sharks feed off Nosy Be from September to December with the peak in October and November, and regulars are more precise than that: the excursions themselves generally start at the end of September, so a trip earlier in the month may find nothing running. If the sharks are the reason for the trip, October or November is the answer. Our row's 18.6 precipitation days spread only 61.3mm between them, three millimetres a day, under 29.8C that reads as 33C with a 27.9C sea. Nights are cool for the tropics at 19.6C. The record: humidity 72 percent, 11 hours of sun, a 19.8 kph wind and AQI 25.
TheBoatsStartAtMonthEnd · September · 1 month ago · Read more on Tripadvisor ↗
August is the middle of the Madagascan winter and regulars call it the coolest and driest month, with the west coast here warmer than Sainte Marie on the other side. Our 15.5 precipitation days look wrong against that until you see the 47.7mm behind them - three millimetres a wet day, showers rather than rain. On wildlife they draw a line worth knowing: humpbacks are around Madagascar now, but the whale sharks that feed off Nosy Be run roughly September to December with October and November the peak, so August catches only the very start of it. Come now for the whales and the weather; come in October for the sharks. The record: 29.2C over 18.6C reading as 32C, humidity 72 percent, 10.6 hours of sun, a 27.8C sea and AQI 24.
WhalesYesWhaleSharksNotQuite · August · 1 month ago · Read more on Tripadvisor ↗

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Nosy Be climate normals — November

Daytime high31°C / 88°F🔥 sweltering
Nighttime low23°C / 73°F
Feels like (high)36°C / 97°F
Sea temperature31°C / 87°F♨️ bath-warm
Rainfall168 mm / 6.6 in⛈ soaked
Rainy days26 days
Humidity78%💦 very humid
Dew point22°C / 71°F
Sunshine11.3 h/day
Daylight12.7 h
Wind17 km/h / 10 mph
Air quality (US AQI)33🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Nosy Be in November

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.

BusyThe dry season, school holidays in 2 of the markets that fill it(estimated)

JFMAMJJASOND

Peak crowdsBusyShoulder seasonQuiet

Best months for Nosy Be'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 weatherNosy Be's weather peaks June–August, best around July.

JFMAMJJASOND

Best weatherFair weatherToughest weather

What's on in Nosy Be in November

Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.

  • Season

    The dry season

    1 May – 15 Nov · usuallyCrowded

    The long dry stretch, and why the island's season runs May to November. Flat mornings, the boats to Nosy Iranja and Tanikely going daily, and effectively no rain.

  • Nature

    Whale sharks

    1 Sep – 15 Dec · usuallyDive season

    Whale sharks feed off the north of the island through the last quarter of the year, thickest in October and November. Swimming with them is regulated and the operators mostly keep to the code.

What's on around the world in November →

Where is Nosy Be?

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Nosy Be in November — FAQ

Is November a good time to visit Nosy Be?
November in Nosy Be: sweltering, soaked, with clean air — fine if you can take 26 rainy days. It ranks #8 of 12 months for Nosy Be on SeasonMap's comfort score (76/100).
What is the weather like in Nosy Be in November?
In November, Nosy Be averages a daily high of 31.3°C and a low of 22.7°C, with about 167.6 mm of rain over roughly 25.5 rainy days.
What is the air quality in Nosy Be in November?
Nosy Be has a mean US Air Quality Index of about 33 in November.