Northland has a warm temperate climate with warm summers and mild winters.
Northland has an average annual temperature of 16.5°C across all 3 cities, with approximately 1149 mm of annual precipitation and average humidity of 79%. Temperatures peak in February and drop to their lowest in July, while rainfall is highest during summer months.
The warmest city is Kerikeri with average July highs of 17.2°C, while Whangarei is the coldest with average January lows of 14.3°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 | 🌤️ | High | Low | Avg | Humid % | Rain (mm) | Wind (m/s) | Solar (kWh/m²) |
|---|---|---|---|---|---|---|---|---|
| January | ☀️ | 25.3°C | 15.0°C | 20.1°C | 75% | 79 | 5.0 | 6.60 |
| February | ☀️ | 25.7°C | 16.1°C | 20.9°C | 75% | 70 | 4.9 | 5.80 |
| March | ⛅ | 24.2°C | 14.9°C | 19.5°C | 76% | 83 | 5.0 | 4.80 |
| April | ⛅ | 22.6°C | 13.1°C | 17.9°C | 78% | 95 | 5.1 | 3.40 |
| May | ⛅ | 20.3°C | 11.1°C | 15.7°C | 79% | 100 | 5.5 | 2.50 |
| June | ⛅ | 18.5°C | 9.2°C | 13.9°C | 81% | 123 | 5.7 | 2.00 |
| July | ⛅ | 17.1°C | 8.5°C | 12.8°C | 81% | 135 | 5.9 | 2.20 |
| August | ⛅ | 17.0°C | 8.6°C | 12.8°C | 81% | 124 | 5.7 | 3.00 |
| September | ⛅ | 18.3°C | 9.3°C | 13.8°C | 81% | 100 | 5.7 | 4.10 |
| October | 🌤️ | 19.7°C | 10.1°C | 14.9°C | 80% | 78 | 5.6 | 5.20 |
| November | ⛅ | 21.7°C | 11.6°C | 16.7°C | 78% | 83 | 5.4 | 6.00 |
| December | ☀️ | 23.8°C | 13.7°C | 18.7°C | 77% | 79 | 5.0 | 6.40 |
Showing average climate conditions across 45 years (1981–2025) · averaged across all 3 cities in Northland
🧥 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 81% in July · annual avg 79%
Monthly averages · 1981–2025
Across 45 years, Northland's temperature has remained relatively stable over the past decade. 1998 was the warmest year overall and 1992 the coolest.
The warmest year on record was 1998 (avg: 17.5°C), while the coldest year was 1992 (avg: 15.3°C).
Averaged across all 3 cities in Northland · Last 30 years · °C
Averaged across all 3 cities in Northland · Last 30 years · mm/year
🔥 hottest · ❄️ coldest · 🌧️ wettest
ℹ️ Values are averages across all 3 cities in Northland for each year.
| Year | Min Temp | Avg Temp | Max Temp | Rainfall (mm) | Avg Humidity | Avg Wind |
|---|---|---|---|---|---|---|
2025 | 12.6°C | 17.2°C | 21.8°C | 1433 | 80% | 5.3 m/s |
2024 | 12.1°C | 16.8°C | 21.4°C | 993 | 79% | 5.0 m/s |
2023 | 11.9°C | 16.4°C | 20.9°C | 1500 | 82% | 5.6 m/s |
2022 🌧️ | 12.6°C | 17.2°C | 21.8°C | 1532 | 80% | 5.4 m/s |
2021 | 12.0°C | 16.6°C | 21.2°C | 1374 | 80% | 5.2 m/s |
2020 | 12.2°C | 17.0°C | 21.9°C | 1112 | 78% | 5.1 m/s |
2019 | 12.6°C | 17.3°C | 22.0°C | 827 | 77% | 5.3 m/s |
2018 | 12.1°C | 16.8°C | 21.5°C | 1188 | 79% | 5.1 m/s |
2017 | 12.2°C | 16.9°C | 21.5°C | 1194 | 79% | 5.2 m/s |
2016 | 12.6°C | 17.2°C | 21.8°C | 1159 | 78% | 5.2 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.
