Bay of Islands, New ZealandQuick decision
When to visit Bay of Islands?
🌞 Best time overall
January
🌡️ Optimal temperature
17°C–24°C in January
🌧 Least rain
39% rainy days in January
🌧 Wettest month
July (37%)
📅 Best score
7.8/10
Monthly climate data
Bay of Islands weather month by month
| Month | Min °C | Max °C | Rainy days (%) | Precip. mm/d | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌤️ January | 17°C | 24°C | 39% | 3.1 | 13.1h | 7.8/10 |
| 🌤️ February | 18°C | 24°C | 45% | 3.5 | 12.6h | 7.6/10 |
| 🌤️ March | 17°C | 23°C | 39% | 2.5 | 11.1h | 7.5/10 |
| 🌤️ April | 15°C | 21°C | 41% | 4.6 | 10.3h | 7.2/10 |
| 🌤️ May | 13°C | 19°C | 34% | 3.5 | 9.3h | 7.1/10 |
| 🌦️ June | 11°C | 17°C | 42% | 4.8 | 8.7h | 6.7/10 |
| ⛅ July | 10°C | 16°C | 37% | 4.4 | 9.0h | 6.6/10 |
| 🌦️ August | 10°C | 16°C | 43% | 3.6 | 10.1h | 6.6/10 |
| 🌦️ September | 11°C | 17°C | 42% | 3.4 | 10.8h | 7.0/10 |
| 🌤️ October | 12°C | 18°C | 41% | 3.1 | 11.8h | 7.1/10 |
| 🌦️ November | 14°C | 20°C | 51% | 3.1 | 12.5h | 7.2/10 |
| 🌤️ December | 16°C | 22°C | 40% | 2.3 | 13.5h | 7.7/10 |
Ideal
Fair
Challenging climate
Source: Open-Meteo · 10 years
Seasonal breakdown
What to expect each season
🌸 Spring (Mar–May) — Good time
Average 21°C, 38% rainy days, 10.2h sunshine/day. Score: 7.3/10.
☀️ Summer (Jun–Aug) — Acceptable
Average 16°C, 41% rainy days, 9.3h sunshine/day. Score: 6.6/10.
🍂 Autumn (Sep–Nov) — Good time
Average 18°C, 45% rainy days, 11.7h sunshine/day. Score: 7.1/10.
❄️ Winter (Dec–Feb) — Good time
Average 23°C, 41% rainy days, 13.1h sunshine/day. Score: 7.7/10.
Accommodation
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Tip : off-peak months (July, August) are cheapest but weather is significantly worse.
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Activities and tours in Bay of Islands
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Monthly weather
Detailed weather by month
FAQ
Frequently asked questions
January is ideal with 39% rainy days and 24°C.
July is the wettest month with 37% rainy days.
Yes, January is the best month with an average of 24°C.
In winter, the average score is 7.7/10. Acceptable conditions for cultural visits.
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