Bay of Plenty has a warm temperate climate with warm summers and mild winters.
Bay of Plenty has an average annual temperature of 14.6°C across all 3 cities, with approximately 1167 mm of annual precipitation and average humidity of 80%. Temperatures peak in February and drop to their lowest in August, while rainfall is highest during summer months.
The warmest city is Tauranga with average July highs of 13.6°C, while Rotorua is the coldest with average January lows of 14.0°C. Humidity remains high throughout the year creating warm and humid conditions. These seasonal patterns offer comfortable conditions year-round, with warm summers and mild winters.
| Month | 🌤️ | Avg High | Avg Temp | Avg Low | Record High | Record Low | Humid % | Rain (mm) | Wind (m/s) | Solar (kWh/m²) |
|---|---|---|---|---|---|---|---|---|---|---|
| January | ☀️ | 22.9°C | 19.2°C | 15.4°C | 32.3°C | 6.4°C | 73% | 77 | 2.6 | 6.70 |
| February | ☀️ | 23.1°C | 19.5°C | 16.0°C | 33.2°C | 7.1°C | 74% | 79 | 2.5 | 5.80 |
| March | ⛅ | 21.4°C | 18.0°C | 14.6°C | 28.6°C | 4.9°C | 75% | 89 | 2.5 | 4.70 |
| April | ⛅ | 18.7°C | 15.7°C | 12.6°C | 25.0°C | 2.9°C | 79% | 105 | 2.5 | 3.30 |
| May | ⛅ | 15.8°C | 13.1°C | 10.5°C | 21.3°C | 0.6°C | 83% | 106 | 2.7 | 2.40 |
| June | ⛅ | 13.4°C | 11.0°C | 8.7°C | 18.9°C | -0.5°C | 86% | 123 | 2.7 | 1.80 |
| July | ⛅ | 12.4°C | 10.1°C | 7.8°C | 17.7°C | -1.4°C | 86% | 127 | 2.8 | 2.10 |
| August | ⛅ | 13.0°C | 10.4°C | 7.8°C | 17.7°C | -0.7°C | 84% | 107 | 2.7 | 2.80 |
| September | ⛅ | 14.6°C | 11.7°C | 8.8°C | 21.0°C | 0.5°C | 82% | 97 | 2.8 | 3.90 |
| October | ⛅ | 16.4°C | 13.3°C | 10.1°C | 22.0°C | 0.9°C | 80% | 86 | 2.8 | 5.10 |
| November | ☀️ | 18.6°C | 15.2°C | 11.8°C | 28.0°C | 3.6°C | 77% | 77 | 2.8 | 6.10 |
| December | ⛅ | 21.0°C | 17.5°C | 14.1°C | 29.0°C | 4.3°C | 75% | 93 | 2.7 | 6.50 |
Showing average climate conditions across 45 years (1981–2025) · averaged across all 3 cities in Bay of Plenty
🧥 Light layers are sufficient — this Mild Winter stays cool without prolonged hard freezes.
🌤️ Conditions are ideal for outdoor activities throughout the day in this Mild Summer.
☔ Moderate Rainfall expected — carry rain gear and plan outdoor activities around these months.
Region-wide monthly averages across 3 cities · 1981–2025 · °C
Temperatures rise steadily from spring, peak in February, and gradually decline through autumn into winter.
These seasonal patterns offer comfortable conditions year-round, with warm summers and mild winters.
Region-wide monthly rainfall · 1981–2025 · mm/month
💧 Humidity peaks at 86% in June · annual avg 80%
Monthly averages · 1981–2025
Across 45 years, Bay of Plenty's temperature shows a slight warming trend over the past decade. 1998 was the warmest year overall and 1992 the coolest.
The warmest year on record was 1998 (avg: 15.5°C), while the coldest year was 1992 (avg: 13.3°C).
Averaged across all 3 cities in Bay of Plenty · Last 30 years · °C
Averaged across all 3 cities in Bay of Plenty · Last 30 years · mm/year
🔥 hottest · ❄️ coldest · 🌧️ wettest
ℹ️ Values are averages across all 3 cities in Bay of Plenty for each year.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall (mm) | Avg Humidity | Avg Wind |
|---|---|---|---|---|---|---|---|---|
2025 | 18.3°C | 15.3°C | 12.3°C | 27.2°C | 1.3°C | 1513 | 80% | 2.6 m/s |
2024 | 18.2°C | 15.0°C | 11.8°C | 28.3°C | 1.1°C | 1088 | 80% | 2.5 m/s |
2023 | 17.4°C | 14.8°C | 12.1°C | 26.1°C | 1.2°C | 1768 | 84% | 2.8 m/s |
2022 🌧️ | 18.2°C | 15.4°C | 12.6°C | 29.5°C | 1.1°C | 1847 | 82% | 2.6 m/s |
2021 | 18.2°C | 15.2°C | 12.1°C | 30.7°C | 1.3°C | 1157 | 80% | 2.6 m/s |
2020 | 18.4°C | 15.1°C | 11.8°C | 33.2°C | 2.0°C | 959 | 78% | 2.6 m/s |
2019 🔥 | 18.6°C | 15.3°C | 12.0°C | 30.3°C | 2.2°C | 920 | 78% | 2.6 m/s |
2018 | 17.9°C | 15.1°C | 12.2°C | 28.9°C | 1.3°C | 1404 | 82% | 2.5 m/s |
2017 | 17.7°C | 14.8°C | 11.8°C | 31.1°C | -0.7°C | 1406 | 81% | 2.5 m/s |
2016 | 18.2°C | 15.2°C | 12.1°C | 28.9°C | -0.3°C | 1081 | 80% | 2.7 m/s |
Showing 1 to 10 of 45 years
All weather data is sourced from NASA POWER (Prediction of Worldwide Energy Resources), a NASA project providing solar and meteorological data for renewable energy, building efficiency, and agricultural research.
