Sydney Weather and Climate
Climate Snapshot
Sydney's warmest month in 2024 was December, averaging 26.8 degrees. That gives Sydney an annual average daytime high of 22.2 degrees, right on the New South Wales average.
Daytime highs peak at 26.8 degrees in December and bottom out with overnight lows of 7.7 degrees in June. That is a 19.1 degree spread from hottest afternoon to coldest night. Overnight minimums average 14.0 degrees across the year, 1.5 degrees warmer than the New South Wales average of 12.5.
Annual rainfall totals 1,068mm across 136 rain days, 19 percent wetter than the New South Wales average. The wettest month is April at 160mm, and August is the driest at 36mm.
There's a moderate seasonal swing in rainfall. Some months are wetter, but you won't see a true monsoon-style wet-dry split.
When we crunch the numbers on temperature, humidity, UV, and rainfall, September comes out as the sweet spot with a Comfort Score of 9.0 out of 10. June sits at the other end at 2.6.
Keep scrolling for the detailed monthly data, or head straight to September for the peak-comfort window.
Monthly Comfort Score
Our Comfort Score rates each month from 1 (tough) to 10 (ideal) based on temperature, humidity, rainfall, UV, and sunshine. How we calculate it
Annual Comfort Score: 7.0/10 - Ranked #47 of 213 Australian cities (national avg 6.2, NSW avg 6.4)
Seasonal Overview
| Season | Avg Max °C | Avg Min °C | Total Rain mm | Comfort |
|---|---|---|---|---|
| Summer | 26.6 | 19.4 | 253 | 8.1 |
| Autumn | 22.1 | 14.2 | 379 | 6.8 |
| Winter | 17.2 | 8.7 | 214 | 4.4 |
| Spring | 23.0 | 13.7 | 222 | 8.8 |
Monthly Climate Averages
| Month | Max °C | Min °C | Rain mm | Rain Days | Solar MJ | Humidity % | Comfort |
|---|
Weather by Month
Detailed climate data, packing advice, and what to expect for each month in Sydney.
26.6°C, 118mm rain February
26.5°C, 82mm rain March
25.5°C, 59mm rain April
21.9°C, 160mm rain May
18.8°C, 160mm rain June
16.0°C, 140mm rain July
16.1°C, 38mm rain August
19.4°C, 36mm rain September
22.2°C, 60mm rain October
21.7°C, 41mm rain November
25.2°C, 121mm rain December
26.8°C, 53mm rain
Compare and Explore
Similar Climates
If you like Sydney's climate, you might also consider:
South Australia - Comfort 7.0/10 Mandurah
Western Australia - Comfort 7.0/10 Dalby
Queensland - Comfort 7.0/10 Stanthorpe
Queensland - Comfort 7.0/10