Australia
Best time to visit Sydney
Based on 12 years of real historical weather data (2015–2026). Sunshine hours, rainfall, and temperature — week by week.
Planning a trip, an event, or a party in Sydney? Here's what to expect. Summers here run warm, and winters are cooler. For the best odds of good weather, aim for September, October and April. Days run warm, with up to 10.5h of sunshine and mostly dry.
Month-by-month weather
Sydney in January runs hot, averaging 26.3°C.
Sydney in February runs hot, averaging 26°C.
Sydney in March runs warm, averaging 24.6°C.
Sydney in April runs warm, averaging 22.6°C.
Sydney in May runs mild, averaging 19.3°C.
Sydney in June runs mild, averaging 16.6°C.
Sydney in July runs mild, averaging 16.9°C.
Sydney in August runs mild, averaging 17.9°C.
Sydney in September runs warm, averaging 20.8°C.
Sydney in October runs warm, averaging 22.6°C.
Sydney in November runs warm, averaging 24°C.
Sydney in December runs hot, averaging 25.8°C.
Frequently asked questions
What is the best time to visit Sydney?
If you're planning a trip, wedding, or outdoor event in Sydney, aim for September, October and April — Days run warm, with up to 10.5h of sunshine and mostly dry. This is based on 12 years of real historical weather data (2015–2026), not a single forecast.
What is the weather like in Sydney in September?
If you visit Sydney in September, expect warm days around 20.8°C You'll get around 10.5h of sunshine per day and 1.6mm of rain — mostly dry.
What is the hottest month in Sydney?
January is typically the hottest month, running hot — good to know if you're planning something outdoors and want to avoid the peak heat.
What is the driest month in Sydney?
September is your safest bet if you want to avoid rain, averaging only 1.6mm per day. March is the wettest, at 4.6mm per day — worth planning around if you're hosting anything outdoors.
All weeks ranked by weather score
| Week | Dates | Midday temp | Range | Sun / day | Rain / day | Score |
|---|---|---|---|---|---|---|
| W16 | Apr 15–21 | 22.4°C | 12.2° → 25.4° | 9.9h | 1.2mm | 93 |
| W15 | Apr 8–14 | 22.7°C | 12.5° → 26.5° | 9.9h | 1.7mm | 91 |
| W36 | Sep 2–8 | 20.0°C | 7° → 23.9° | 10.5h | 0.9mm | 89 |
| W41 | Oct 7–13 | 22.2°C | 10.9° → 27.8° | 9.6h | 1.7mm | 89 |
| W42 | Oct 14–20 | 22.6°C | 11.5° → 26.9° | 10.7h | 1.8mm | 89 |
| W43 | Oct 21–27 | 23.1°C | 11.3° → 28.8° | 10.9h | 2.0mm | 88 |
| W37 | Sep 9–15 | 20.6°C | 7.8° → 26.3° | 10.6h | 1.8mm | 87 |
| W38 | Sep 16–22 | 21.6°C | 8.2° → 27.1° | 10.4h | 2.1mm | 87 |
| W39 | Sep 23–29 | 20.8°C | 8.7° → 26.2° | 10.5h | 1.7mm | 87 |
| W46 | Nov 11–17 | 22.9°C | 12° → 27.5° | 11.2h | 2.1mm | 87 |
| W47 | Nov 18–24 | 24.2°C | 14.1° → 29.2° | 11.0h | 1.8mm | 85 |
| W40 | Sep 30–Oct 6 | 22.3°C | 9.4° → 28.3° | 10.1h | 3.3mm | 84 |
| W20 | May 13–19 | 19.2°C | 9° → 21.2° | 9.1h | 1.6mm | 83 |
| W49 | Dec 2–8 | 25.5°C | 14.8° → 31.3° | 11.9h | 1.6mm | 83 |
| W33 | Aug 12–18 | 18.2°C | 6.4° → 21.2° | 9.2h | 1.3mm | 82 |
| W45 | Nov 4–10 | 23.1°C | 12.2° → 27.5° | 10.9h | 2.9mm | 82 |
| W19 | May 6–12 | 20.0°C | 9.6° → 22.8° | 8.6h | 2.2mm | 81 |
| W30 | Jul 22–28 | 18.1°C | 4.8° → 21° | 9.2h | 1.5mm | 81 |
| W44 | Oct 28–Nov 3 | 22.8°C | 11.5° → 28.8° | 10.6h | 3.4mm | 81 |
| W50 | Dec 9–15 | 25.7°C | 15.6° → 32.4° | 11.6h | 1.8mm | 81 |
| W35 | Aug 26–Sep 1 | 18.7°C | 6.6° → 22.8° | 9.5h | 2.0mm | 80 |
| W28 | Jul 8–14 | 16.4°C | 5.1° → 18.9° | 8.9h | 0.6mm | 79 |
| W32 | Aug 5–11 | 17.5°C | 5.9° → 20.9° | 9.1h | 1.4mm | 79 |
| W52 | Dec 23–29 | 25.8°C | 15.9° → 30.1° | 11.5h | 2.5mm | 78 |
| W4 | Jan 22–28 | 26.9°C | 18° → 33.1° | 11.0h | 1.8mm | 77 |
| W13 | Mar 25–31 | 23.7°C | 13.8° → 26.7° | 9.5h | 3.5mm | 77 |
| W17 | Apr 22–28 | 21.8°C | 11.5° → 24.9° | 8.8h | 4.1mm | 77 |
| W29 | Jul 15–21 | 16.4°C | 4.6° → 18.9° | 9.0h | 1.3mm | 77 |
| W25 | Jun 17–23 | 16.4°C | 5.5° → 18.1° | 8.6h | 1.6mm | 76 |
| W51 | Dec 16–22 | 26.0°C | 16.4° → 32.4° | 11.2h | 2.6mm | 76 |
| W5 | Jan 29–Feb 4 | 26.4°C | 17.8° → 31.5° | 10.7h | 2.8mm | 75 |
| W18 | Apr 29–May 5 | 20.6°C | 10.6° → 23.7° | 8.3h | 3.5mm | 75 |
| W48 | Nov 25–Dec 1 | 25.6°C | 15.1° → 31.4° | 11.1h | 3.3mm | 75 |
| W7 | Feb 12–18 | 26.2°C | 16.9° → 30.2° | 10.9h | 3.1mm | 74 |
| W24 | Jun 10–16 | 17.2°C | 6.9° → 19.1° | 8.3h | 2.1mm | 74 |
| W21 | May 20–26 | 19.0°C | 9.3° → 21.8° | 8.4h | 3.3mm | 73 |
| W10 | Mar 4–10 | 25.6°C | 16.8° → 29.3° | 10.0h | 4.0mm | 72 |
| W12 | Mar 18–24 | 24.3°C | 15.6° → 28.3° | 8.9h | 3.9mm | 71 |
| W14 | Apr 1–7 | 23.4°C | 13.7° → 26.6° | 9.4h | 5.1mm | 71 |
| W26 | Jun 24–30 | 16.3°C | 5.7° → 18.1° | 8.5h | 2.6mm | 71 |
| W31 | Jul 29–Aug 4 | 17.1°C | 6.4° → 19.5° | 8.5h | 2.7mm | 71 |
| W2 | Jan 8–14 | 26.8°C | 17.2° → 32° | 11.2h | 3.3mm | 70 |
| W9 | Feb 26–Mar 3 | 25.6°C | 17.5° → 29.2° | 9.8h | 4.0mm | 70 |
| W1 | Jan 1–7 | 25.6°C | 17.4° → 31° | 11.0h | 4.3mm | 69 |
| W23 | Jun 3–9 | 16.5°C | 6.6° → 18.9° | 8.1h | 2.6mm | 69 |
| W6 | Feb 5–11 | 26.4°C | 17.1° → 31.9° | 10.8h | 4.3mm | 68 |
| W8 | Feb 19–25 | 25.6°C | 17.1° → 30.1° | 9.5h | 4.3mm | 68 |
| W34 | Aug 19–25 | 17.9°C | 6.6° → 21.5° | 8.7h | 4.0mm | 67 |
| W22 | May 27–Jun 2 | 17.7°C | 7.3° → 19.8° | 7.9h | 3.7mm | 66 |
| W3 | Jan 15–21 | 26.0°C | 17.1° → 30.8° | 10.4h | 5.2mm | 65 |
| W27 | Jul 1–7 | 16.5°C | 5.4° → 18.8° | 8.4h | 4.1mm | 63 |
| W11 | Mar 11–17 | 24.9°C | 16.2° → 29.3° | 9.3h | 7.0mm | 62 |
Nail down the right dates for Sydney
Compare individual weeks, see year-by-year variation, and download the data as Excel — everything you need to plan a trip, wedding, or event.
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