Otago has a temperate climate with warm summers and mild winters.
Otago has an average annual temperature of 8.4°C across all 4 cities, with approximately 1103 mm of annual precipitation and average humidity of 84%. Temperatures peak in February and drop to their lowest in July, while rainfall is highest during winter months.
The warmest city is Mosgiel with average July highs of 8.9°C, while Macetown is the coldest with average January lows of 5.8°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 | ⛅ | 16.3°C | 12.6°C | 8.9°C | 27.3°C | -1.7°C | 79% | 105 | 3.8 | 6.10 |
| February | ⛅ | 16.4°C | 12.8°C | 9.1°C | 27.4°C | -1.8°C | 80% | 84 | 3.6 | 5.40 |
| March | ⛅ | 14.8°C | 11.3°C | 7.9°C | 23.4°C | -4.0°C | 82% | 92 | 3.6 | 4.00 |
| April | ⛅ | 12.1°C | 9.1°C | 6.1°C | 21.4°C | -5.3°C | 84% | 85 | 3.6 | 2.70 |
| May | ⛅ | 9.2°C | 6.8°C | 4.4°C | 20.1°C | -11.9°C | 88% | 97 | 3.8 | 1.60 |
| June | ⛅ | 6.6°C | 4.6°C | 2.5°C | 15.5°C | -12.8°C | 90% | 92 | 3.7 | 1.20 |
| July | ⛅ | 5.9°C | 3.9°C | 1.8°C | 14.5°C | -12.4°C | 89% | 82 | 3.5 | 1.40 |
| August | 🌤️ | 7.2°C | 4.8°C | 2.5°C | 15.4°C | -13.6°C | 87% | 79 | 3.6 | 2.20 |
| September | ⛅ | 9.3°C | 6.3°C | 3.3°C | 18.7°C | -6.2°C | 84% | 86 | 3.9 | 3.30 |
| October | ⛅ | 11.1°C | 7.7°C | 4.4°C | 20.0°C | -5.2°C | 82% | 103 | 4.0 | 4.50 |
| November | ⛅ | 13.0°C | 9.4°C | 5.8°C | 22.9°C | -5.3°C | 80% | 91 | 3.9 | 5.70 |
| December | ⛅ | 14.8°C | 11.2°C | 7.7°C | 23.8°C | -2.6°C | 79% | 108 | 3.8 | 6.10 |
Showing average climate conditions across 45 years (1981–2025) · averaged across all 4 cities in Otago
🧥 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 90% in June · annual avg 84%
Monthly averages · 1981–2025
Across 45 years, Otago's temperature shows a slight warming trend over the past decade. 2023 was the warmest year overall and 1992 the coolest.
The warmest year on record was 2023 (avg: 9.5°C), while the coldest year was 1992 (avg: 7.1°C).
Averaged across all 4 cities in Otago · Last 30 years · °C
Averaged across all 4 cities in Otago · Last 30 years · mm/year
🔥 hottest · ❄️ coldest · 🌧️ wettest
ℹ️ Values are averages across all 4 cities in Otago for each year.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall (mm) | Avg Humidity | Avg Wind |
|---|---|---|---|---|---|---|---|---|
2025 | 12.2°C | 9.1°C | 6.1°C | 24.6°C | -4.7°C | 909 | 82% | 3.6 m/s |
2024 | 11.7°C | 8.6°C | 5.6°C | 22.7°C | -9.1°C | 1034 | 84% | 3.6 m/s |
2023 🔥 | 12.6°C | 9.5°C | 6.4°C | 27.0°C | -5.9°C | 940 | 83% | 3.7 m/s |
2022 | 12.4°C | 9.4°C | 6.3°C | 24.2°C | -6.9°C | 861 | 83% | 3.4 m/s |
2021 | 12.2°C | 9.1°C | 6.0°C | 24.8°C | -8.3°C | 943 | 84% | 3.5 m/s |
2020 | 12.1°C | 8.9°C | 5.7°C | 23.9°C | -7.4°C | 834 | 83% | 3.7 m/s |
2019 | 12.3°C | 9.1°C | 5.9°C | 23.9°C | -5.0°C | 979 | 83% | 3.7 m/s |
2018 | 12.1°C | 9.2°C | 6.2°C | 27.3°C | -5.5°C | 985 | 84% | 3.5 m/s |
2017 | 11.9°C | 8.9°C | 5.9°C | 22.9°C | -9.2°C | 907 | 84% | 3.4 m/s |
2016 | 12.2°C | 9.1°C | 5.9°C | 26.2°C | -13.6°C | 1067 | 83% | 3.6 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.
