Island in Diana, Madagascar
Nosy Be weather by month and the best time to visit
When to go to Nosy Be
May–Nov is dry. Whale sharks are most common Sep–Dec, humpbacks Jul–Sep. Jan–Mar is hot, rainy and cyclone-prone; Dec–Jan is busy.
Nosy Be weather by month
Average daily high, rainfall and conditions.
- Jan29°309 mm
- Feb29°247 mm
- Mar29°235 mm
- Apr30°83 mm
- May29°31 mm
- Jun28°13 mm
- Jul27°10 mm
- Aug28°8 mm
- Sep28°13 mm
- Oct29°27 mm
- Nov30°100 mm
- Dec29°237 mm
Monthly averages
| Month | High | Low | Rain | Humidity | Conditions |
|---|---|---|---|---|---|
| January | 29°C83°F | 26°C79°F | 309 mm | 83% | Very wet |
| February | 29°C84°F | 26°C79°F | 247 mm | 83% | Rainy |
| March | 29°C84°F | 26°C79°F | 235 mm | 82% | Rainy |
| April | 30°C85°F | 26°C79°F | 83 mm | 77% | Pleasant |
| May | 29°C84°F | 25°C78°F | 31 mm | 73% | Pleasant |
| June | 28°C82°F | 24°C75°F | 13 mm | 69% | Pleasant |
| July | 27°C81°F | 23°C73°F | 10 mm | 69% | Pleasant |
| August | 28°C82°F | 23°C73°F | 8 mm | 69% | Pleasant |
| September | 28°C83°F | 23°C74°F | 13 mm | 70% | Pleasant |
| October | 29°C85°F | 24°C76°F | 27 mm | 72% | Pleasant |
| November | 30°C85°F | 25°C77°F | 100 mm | 75% | Pleasant |
| December | 29°C85°F | 26°C78°F | 237 mm | 80% | Rainy |
Best months across Madagascar
| Place | Best months | Warmest month |
|---|---|---|
| Antananarivo | May–Oct | Nov (25°C) |
| Nosy Be | May–Jun, Sep–Nov | Nov (30°C) |
Quick answers
What is the best month to visit Nosy Be?
May–Jun, Sep–Nov. May–Nov is dry. Whale sharks are most common Sep–Dec, humpbacks Jul–Sep. Jan–Mar is hot, rainy and cyclone-prone; Dec–Jan is busy.
When is the rainy season in Nosy Be?
Rain peaks in January with about 309 mm. Months with 150 mm or more: Dec–Mar.
What is the hottest month in Nosy Be?
November, with average highs of 30°C (85°F).
How cold does Nosy Be get?
The coolest nights are in August, averaging 23°C (73°F).
More about Nosy Be
Going to Nosy Be solo?
SoloSquare is where travelers, nomads and locals in Nosy Be meet up for small plans: coffee, dinners, walks and day trips. Join one, or start your own in a minute.
Sources
Climate averages are modelled from NASA POWER (MERRA-2) for 2001–2020 at about 50 km resolution, so coasts and valleys can differ a little. Compiled and reviewed by SoloSquare. How we compile and score this. Spotted something out of date? Tell us.