Manawatu-Wanganui has a warm temperate climate with warm summers and mild winters.
Manawatu-Wanganui has an average annual temperature of 13.0°C across all 4 cities, with approximately 1000 mm of annual precipitation and average humidity of 83%. Temperatures peak in February and drop to their lowest in August, while rainfall is highest during summer months.
The warmest city is Whanganui with average July highs of 12.1°C, while Feilding is the coldest with average January lows of 11.6°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 | ☀️ | 21.4°C | 17.4°C | 13.4°C | 32.9°C | 3.4°C | 76% | 65 | 4.3 | 6.50 |
| February | ☀️ | 21.9°C | 17.9°C | 13.8°C | 33.6°C | 4.6°C | 76% | 67 | 4.0 | 5.70 |
| March | ☀️ | 20.1°C | 16.3°C | 12.5°C | 31.4°C | 2.3°C | 78% | 69 | 3.9 | 4.40 |
| April | 🌤️ | 17.4°C | 14.0°C | 10.6°C | 26.0°C | 0.2°C | 82% | 79 | 3.9 | 3.10 |
| May | ⛅ | 14.5°C | 11.8°C | 9.0°C | 22.2°C | -1.0°C | 86% | 90 | 4.1 | 2.10 |
| June | ⛅ | 12.1°C | 9.7°C | 7.3°C | 18.7°C | -1.6°C | 88% | 102 | 4.2 | 1.60 |
| July | ⛅ | 11.2°C | 8.8°C | 6.4°C | 18.1°C | -2.4°C | 88% | 98 | 4.2 | 1.80 |
| August | ⛅ | 11.8°C | 9.1°C | 6.4°C | 17.6°C | -2.4°C | 87% | 89 | 4.1 | 2.50 |
| September | ⛅ | 13.3°C | 10.3°C | 7.4°C | 20.4°C | -1.6°C | 86% | 88 | 4.5 | 3.60 |
| October | ⛅ | 14.9°C | 11.8°C | 8.7°C | 22.9°C | -1.7°C | 84% | 91 | 4.7 | 4.70 |
| November | 🌤️ | 16.8°C | 13.4°C | 10.0°C | 26.1°C | 0.2°C | 81% | 77 | 4.6 | 5.90 |
| December | ⛅ | 19.2°C | 15.7°C | 12.1°C | 29.6°C | 1.3°C | 80% | 86 | 4.4 | 6.20 |
Showing average climate conditions across 45 years (1981–2025) · averaged across all 4 cities in Manawatu-Wanganui
🧥 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 4 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 88% in July · annual avg 83%
Monthly averages · 1981–2025
Across 45 years, Manawatu-Wanganui's temperature shows a slight warming trend over the past decade. 1999 was the warmest year overall and 1992 the coolest.
The warmest year on record was 1999 (avg: 13.9°C), while the coldest year was 1992 (avg: 11.6°C).
Averaged across all 4 cities in Manawatu-Wanganui · Last 30 years · °C
Averaged across all 4 cities in Manawatu-Wanganui · Last 30 years · mm/year
🔥 hottest · ❄️ coldest · 🌧️ wettest
ℹ️ Values are averages across all 4 cities in Manawatu-Wanganui for each year.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall (mm) | Avg Humidity | Avg Wind |
|---|---|---|---|---|---|---|---|---|
2025 | 16.9°C | 13.6°C | 10.3°C | 28.0°C | -1.1°C | 1097 | 83% | 4.2 m/s |
2024 | 16.4°C | 13.3°C | 10.1°C | 29.2°C | -0.6°C | 1035 | 84% | 4.2 m/s |
2023 | 16.3°C | 13.4°C | 10.4°C | 25.9°C | -1.4°C | 1265 | 86% | 4.2 m/s |
2022 🌧️ | 16.7°C | 13.6°C | 10.5°C | 29.6°C | -1.3°C | 1614 | 85% | 4.0 m/s |
2021 | 16.6°C | 13.5°C | 10.3°C | 29.1°C | -0.9°C | 1196 | 84% | 4.2 m/s |
2020 | 16.5°C | 13.2°C | 9.9°C | 29.0°C | -1.1°C | 973 | 83% | 4.3 m/s |
2019 | 16.8°C | 13.6°C | 10.4°C | 32.0°C | -1.8°C | 1013 | 83% | 4.4 m/s |
2018 | 16.7°C | 13.7°C | 10.7°C | 30.9°C | 0.0°C | 1256 | 84% | 4.1 m/s |
2017 | 16.2°C | 13.2°C | 10.1°C | 26.6°C | -1.0°C | 1204 | 85% | 4.1 m/s |
2016 | 16.9°C | 13.7°C | 10.5°C | 30.8°C | -1.0°C | 1046 | 83% | 4.4 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.
