Madagascar
Nosy Be in October: weather, sea & travel advice
This month's data profile
Sea conditions lead
Nosy Be in October is climatically well suited to beach holidays, family holidays and city breaks. The average daily high is around 29 °C, and the sea is about 28 °C. With about 6 rainy days it is dry.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
83/100 · #5
Warmth
#4
Dryness
#5
Sun
#1
Sea warmth
#9
Published best categories: none
Nosy Be · OctoberPhoto: Thomas Fuhrmann · CC BY-SA 4.0Climate facts
- Average high
- 29 °C
- Average low
- 24 °C
- Sea
- 28 °C
- Rainy days (est.)
- 6 rainy days (est.)
- Sun (est.)
- 9 h/day
- Humidity
- 71 %
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|---|
| September | 28 | 23 | 3 | 12 | 8.2 | 69 | 1.5 | 27 | 89 |
| October (selected) | 29 | 24 | 6 | 23 | 8.6 | 71 | 1.6 | 28 | 83 |
| November | 30 | 25 | 16 | 90 | 8.3 | 74 | 1.8 | 28 | 62 |
How do the previous and next months compare?
Baseline: October (83/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | Sea Δ | |
|---|---|---|---|---|---|---|---|---|---|
| September | +6 | -0.9 °C | -1 °C | -3.3 | -10.3 mm | -0.4 h | -1.8 % | -0.1 m/s | -0.8 °C |
| November | -21 | +0.5 °C | +0.9 °C | +10.3 | +67.1 mm | -0.3 h | +3.2 % | +0.1 m/s | +0.9 °C |
All twelve months in context

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Where to stay in Nosy Be
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Useful next decisions
Frequently asked questions
How warm is Nosy Be in October?
The average daily high is around 29 °C, with an average daily low of about 24 °C.
Can you swim in Nosy Be in October?
The sea is about 28 °C (very warm).
Does it rain a lot in Nosy Be in October?
The curated estimate is about 6 rainy days per month, not a directly measured long-term average. Total precipitation averages around 23 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Nosy Be?
By the climate score, June, July, August and September are the strongest months for Nosy Be. For a beach trip: June, July, August and September. October is not among them.