Northern Territory has a warm subtropical climate with warm summers and mild winters.
Northern Territory has an average annual temperature of 26.4°C across all 8 cities, with approximately 1157 mm of annual precipitation and average humidity of 57%. Temperatures peak in October and drop to their lowest in July, while rainfall is highest during winter months.
The warmest city is Adelaide River with average July highs of 36.5°C, while Alice Springs is the coldest with average January lows of 17.4°C. Humidity remains moderate throughout the year, especially during winter months, creating warm and dry 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 | 🌧️ | 36.1°C | 22.4°C | 29.2°C | 70% | 271 | 2.9 | 6.10 |
| February | 🌧️ | 35.0°C | 21.7°C | 28.3°C | 72% | 236 | 2.8 | 6.00 |
| March | 🌧️ | 34.5°C | 19.8°C | 27.1°C | 71% | 192 | 2.6 | 6.10 |
| April | 😎 | 33.6°C | 16.3°C | 24.9°C | 67% | 65 | 2.7 | 5.80 |
| May | 😎 | 32.9°C | 12.7°C | 22.8°C | 60% | 14 | 2.9 | 5.20 |
| June | ☀️ | 32.4°C | 10.4°C | 21.4°C | 52% | 5 | 3.0 | 4.90 |
| July | ☀️ | 32.9°C | 10.3°C | 21.6°C | 47% | 4 | 3.0 | 5.10 |
| August | 😎 | 35.3°C | 11.7°C | 23.5°C | 43% | 3 | 2.9 | 5.90 |
| September | 😎 | 38.0°C | 15.8°C | 26.9°C | 43% | 13 | 2.9 | 6.50 |
| October | 🥵 | 39.9°C | 19.3°C | 29.6°C | 46% | 44 | 2.8 | 6.90 |
| November | ⛅ | 39.8°C | 21.4°C | 30.6°C | 54% | 108 | 2.5 | 6.80 |
| December | 🌧️ | 38.4°C | 21.9°C | 30.2°C | 64% | 203 | 2.6 | 6.50 |
Showing average climate conditions across 45 years (1981–2025) · averaged across all 8 cities in Northern Territory
🧥 Light layers are sufficient — this Mild Winter stays cool without prolonged hard freezes.
🌤️ Limit midday outdoor exposure and stay hydrated — this is an intense Hot Summer.
☔ Heavy Rainfall expected — carry rain gear and plan outdoor activities around these months.
Region-wide monthly averages across 8 cities · 1981–2025 · °C
Temperatures rise steadily from spring, peak in October, 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
Monthly averages · 1981–2025
💧 Humidity peaks at 72% in February · annual avg 57%
The warmest year on record was 2020 (avg: 27.6°C), while the coldest year was 2011 (avg: 24.8°C).
Averaged across all 8 cities in Northern Territory · Last 10 years · °C
Averaged across all 8 cities in Northern Territory · Last 10 years · mm/year
🔥 hottest · ❄️ coldest · 🌧️ wettest
ℹ️ Values are averages across all 8 cities in Northern Territory for each year.
| Year | Min Temp | Avg Temp | Max Temp | Rainfall (mm) | Avg Humidity | Avg Wind |
|---|---|---|---|---|---|---|
2025 | 17.3°C | 26.6°C | 35.8°C | 1236 | 59% | 2.7 m/s |
2024 | 18.1°C | 27.2°C | 36.3°C | 1213 | 60% | 3.0 m/s |
2023 | 17.6°C | 26.8°C | 36.0°C | 833 | 56% | 2.9 m/s |
2022 | 17.7°C | 27.0°C | 36.3°C | 1106 | 57% | 2.6 m/s |
2021 | 17.1°C | 26.4°C | 35.7°C | 1151 | 58% | 2.7 m/s |
2020 | 18.4°C | 27.6°C | 36.8°C | 901 | 54% | 2.9 m/s |
2019 🔥 | 17.7°C | 27.6°C | 37.4°C | 486 | 50% | 2.9 m/s |
2018 | 17.7°C | 27.2°C | 36.7°C | 761 | 53% | 2.8 m/s |
2017 | 17.8°C | 27.0°C | 36.2°C | 716 | 55% | 2.8 m/s |
2016 | 18.1°C | 27.5°C | 36.9°C | 666 | 55% | 2.6 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.
