Nosy Be · SummerMonth summary
Nosy Be weather in August
✅ Good
🌡️ Temperature min / max
22°C – 28°C
🌧 Rainy days
35% of days
☀️ Sunshine
11.5h per day on average
🌊 🌊 Season
Summer
⭐ ⭐ Weather score
8.5/10
📅 📅 Best month
July (8.8/10)
Quick decision
Should you visit Nosy Be in August?
✅ Good
✅ Yes if: you want long sunny days and outdoor activities.
❌ No if: you want to avoid summer crowds — this is peak tourist season.
Our take: August is a good time to visit Nosy Be. July remains slightly better (+0.3 pts).
By trip type
Nosy Be in August by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ✅ Good
- 🏖️ Beach / swimming : ✅ Good
- 💰 💰 Budget : 💸 Peak season
Local context
What to expect in August
🎯 Good diving season — comfortable water temperature and satisfactory visibility Summer in Nosy Be brings pleasant temperatures (28°C) and long sunny days (11.5h of sunshine). Expect rain on 35% of days — a light raincoat in the bag is recommended. A good balance between weather and crowds, even if July (8.8/10) remains theoretically better.
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All months for Nosy Be
Annual table
Month-by-month comparison
| Month | Min °C | Max °C | Rain % | Precip mm | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌦️ January | 24°C | 29°C | 94% | 16.0 | 10.7h | 7.0/10 |
| 🌦️ February | 25°C | 29°C | 89% | 11.0 | 11.2h | 7.0/10 |
| 🌦️ March | 25°C | 29°C | 88% | 8.9 | 11.0h | 7.0/10 |
| ⛅ April | 25°C | 30°C | 70% | 3.2 | 11.4h | 7.2/10 |
| 🌤️ May | 24°C | 29°C | 42% | 1.6 | 11.0h | 8.0/10 |
| 🌤️ June | 23°C | 28°C | 31% | 1.1 | 10.9h | 8.5/10 |
| ☀️ July | 22°C | 28°C | 20% | 0.8 | 11.0h | 8.8/10 |
| 🌤️ August | 22°C | 28°C | 35% | 1.0 | 11.5h | 8.5/10 |
| 🌤️ September | 22°C | 28°C | 44% | 1.4 | 11.7h | 8.3/10 |
| 🌤️ October | 24°C | 29°C | 57% | 2.7 | 11.8h | 7.6/10 |
| 🌦️ November | 24°C | 30°C | 86% | 5.1 | 12.4h | 7.1/10 |
| 🌦️ December | 24°C | 29°C | 91% | 6.8 | 12.2h | 7.1/10 |
Ideal
Fair
Challenging climate
◀ Current month · Source Open-Meteo · 10 years
📊 Data source
Data based on 10 years of ERA5 records via Open-Meteo, with ECMWF seasonal adjustment. In August, Nosy Be averages 28°C, 35% rainy days and 11.5h of sunshine per day. Overall weather score: 8.5/10.
See methodology →
Comparison
August vs July (best month)
The best month is July (score 8.8/10). Difference:
- 🌡️ Max temperature : +0°C
- 🌧 Rainy days : -15%
- ☀️ Sunshine : -0.5h/day
FAQ
FAQ — Nosy Be in August
Is August a good time to visit Nosy Be?
August is an excellent time to visit Nosy Be (score 8.5/10). With 28°C, 11.5h of sunshine and 35% rain, conditions are very favourable.
What to do in Nosy Be in August?
With 28°C and 11.5h of sunshine, all outdoor activities are possible: hiking, sightseeing and terraces.
Accommodation
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Activities & tours
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