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Darwin weather by month
Historical averages 2016–2025 · not a forecast
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When is the best time to visit Darwin?
For a warm holiday, the best week has been 15–21 July (Weather Index 97). Favourable start dates for a 7-day trip run from 8 June to 24 July. September and October are warmest (34°C), July and August are driest and September and October have the most sun.
- Warmest
- September and October 34°C
- Coolest
- January and February 31°C
- Driest
- July and August 1% rain-day chance
- Wettest
- January 90% rain-day chance
- Sunniest
- September and October 12 hours a day
A rain day has 1 mm or more, snow included, so a short shower counts. Monthly averages below give the amounts.
Monthly averages in Darwin
Darwin historical monthly estimates, 2016–2025. Temperatures and sunshine are daily averages.
| Month | High (°C) | Low (°C) | Rain-day chance (%) | Expected rain days | Precipitation (mm/month) | Sunshine (hours/day) |
|---|---|---|---|---|---|---|
| January | 31.0 | 25.7 | 90.0 | 27.9 | 438.7 | 8.9 |
| February | 31.1 | 25.7 | 85.0 | 23.8 | 341.7 | 9.2 |
| March | 31.7 | 25.3 | 85.8 | 26.6 | 294.5 | 9.8 |
| April | 32.9 | 24.2 | 40.0 | 12.0 | 96.6 | 10.5 |
| May | 33.2 | 22.2 | 8.4 | 2.6 | 13.5 | 10.9 |
| June | 32.1 | 20.0 | 2.7 | 0.8 | 4.1 | 10.8 |
| July | 32.0 | 18.7 | 1.3 | 0.4 | 2.5 | 10.9 |
| August | 33.1 | 19.4 | 1.0 | 0.3 | 1.5 | 11.1 |
| September | 34.0 | 22.2 | 16.7 | 5.0 | 30.4 | 11.6 |
| October | 33.9 | 24.7 | 44.2 | 13.7 | 100.1 | 11.8 |
| November | 32.9 | 25.3 | 74.0 | 22.2 | 241.3 | 11.2 |
| December | 32.2 | 25.7 | 78.7 | 24.4 | 305.3 | 10.1 |
Each month averages its own days. Precipitation includes snow. About the data
Sources
Open-Meteo · 1 Jan 2016 – 31 Dec 2025
- Open-Meteo Historical Weather API
- Local days, 2016–2025, every year weighted equally. Each weekly chart averages its own seven days, without smoothing.
- Shading shows the 10th–90th percentile of past days, not forecast confidence.
- A rain day has at least 1 mm, snow included. The last weekly period has eight days.
- Wind is the average daytime (10:00–18:00) maximum, not gusts. Daylight is calculated from latitude. Missing readings stay blank.
- Mugginess (dew point) comes from the original daily summaries, on UTC days.
- The live two-week forecast comes from the Open-Meteo Weather Forecast API. The Weather Index does not use it.