Bay of Islands · SummerMonth summary
Bay of Islands weather in August
⚠️ Fair
🌡️ Temperature min / max
10°C – 16°C
🌧 Rainy days
43% of days
☀️ Sunshine
10.1h per day on average
🌊 🌊 Season
Summer
⭐ ⭐ Weather score
6.6/10
📅 📅 Best month
January (7.8/10)
Quick decision
Should you visit Bay of Islands in August?
⚠️ Fair
✅ Yes if: you want to explore the city on foot without suffering from heat.
❌ No if: you're looking for a beach destination — water and air are still cool.
Our take: August is an average time for Bay of Islands. January (7.8/10) is clearly preferable.
By trip type
Bay of Islands in August by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ⚠️ Possible
- 🏖️ Beach / swimming : ❌ Not recommended
- 💰 💰 Budget : ✅ Low season
Local context
What to expect in August
In August, Bay of Islands sees 16°C during the day with 10.1h of sunshine per day. Expect rain on 43% of days — a light raincoat in the bag is recommended. Not the best window, but acceptable if dates are constrained. January (7.8/10) is significantly better if possible.
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All months for Bay of Islands
Annual table
Month-by-month comparison
| Month | Min °C | Max °C | Rain % | Precip mm | 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
◀ 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, Bay of Islands averages 16°C, 43% rainy days and 10.1h of sunshine per day. Overall weather score: 6.6/10.
See methodology →
Comparison
August vs January (best month)
The best month is January (score 7.8/10). Difference:
- 🌡️ Max temperature : +8°C
- 🌧 Rainy days : -4%
- ☀️ Sunshine : +3.0h/day
FAQ
FAQ — Bay of Islands in August
Is August a good time to visit Bay of Islands?
August is an acceptable time for Bay of Islands (score 6.6/10). Conditions are decent but not optimal — consider January (7.8/10) if possible.
What to do in Bay of Islands in August?
With 16°C max and 10.1h of sunshine, focus on cultural sites, museums and local gastronomy.
Accommodation
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Activities & tours
Activities and tours in Bay of Islands
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