SydneyPhoto: Dietmar Rabich · CC BY-SA 4.0Australia · Oceania
Best time to visit Sydney
Sydney is in the southern hemisphere: summer from December to February is warm with a swimmable sea, winters mild. Rain is fairly even across the year. The southern summer is the best time for beach and city.
Climate decision
Best travel months for Sydney
Joint highest scores
Next highest scores
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Latest 5-year values 2021–2025
Average of the five most recent complete years compared with the 1991–2025 climate average.
January · Wet days
16.4 days/month
1991–2025: 12.7 days/month
+3.7 days/month · higher
March · Monthly precipitation
186.1 mm/month
1991–2025: 109.8 mm/month
+76.4 mm/month · higher
September · Mean daily maximum
20.3 °C
1991–2025: 19.5 °C
+0.8 °C · higher
March · Sea temperature
24.3 °C
1991–2025: 23.4 °C
+0.9 °C · higher
December: 15/155 days at or above 30 °C; highest single value 37.3 °C.
Five-year historical sample, not a weather forecast or long-term climate trend. Individual hot days can be far above the monthly mean.
Annual profile · Balanced signals
Sydney: no single climate figure decides
Choose a suitable temperature range first, then compare rain, sunshine and the intended trip style within that window.
Average daily highs vary by 9.1 °C and rainy days by 6.7. Temperature, dryness and sunshine should therefore be considered together.
The useful trade-off
Highest average daily high
January · 25.5 °C
Fewest rainy days
August · 6.9
Most sunshine
December · 8.3 h
Warmest sea
February · 23.5 °C
Month by month
Overall suitability per month. Tap a month for details.
All climate figures compared
The table is the complete accessible data view; the charts below highlight selected patterns.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Rain mm | Sun h/day (est.) | Humidity % | Wind m/s | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|---|
| January | 26 | 20 | 13 | 91 | 8.0 | 75 | 3.3 | 23 | 79 |
| February | 25 | 21 | 13 | 121 | 7.1 | 76 | 3.2 | 23 | 79 |
| March | 24 | 20 | 14 | 110 | 6.0 | 75 | 3.2 | 23 | 77 |
| April | 22 | 18 | 10 | 71 | 4.8 | 73 | 3.0 | 22 | 80 |
| May | 19 | 15 | 9 | 64 | 3.6 | 73 | 3.2 | 21 | 70 |
| June | 17 | 13 | 10 | 81 | 3.0 | 75 | 3.4 | 20 | 59 |
| July | 16 | 12 | 8 | 53 | 3.4 | 73 | 3.4 | 19 | 60 |
| August | 17 | 12 | 7 | 54 | 4.6 | 70 | 3.3 | 18 | 65 |
| September | 20 | 14 | 7 | 49 | 6.0 | 69 | 3.2 | 18 | 73 |
| October | 21 | 15 | 9 | 63 | 7.1 | 70 | 3.1 | 19 | 76 |
| November | 23 | 17 | 12 | 86 | 7.7 | 73 | 3.2 | 20 | 75 |
| December | 24 | 19 | 11 | 74 | 8.3 | 73 | 3.1 | 21 | 80 |
Climate through the year
Compare temperature, rainy days, sunshine and, for coastal destinations, sea temperature month by month.
Find a place to stay
Where to stay in Sydney
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Useful next decisions
Similar destinations
The number is the overall climate score, not a similarity score.
Country and region
Frequently asked questions
When is the best time to visit Sydney?
The strongest climate months are January, February, April, December. Values are historical averages, not a forecast.
Which month has the highest average daily maximum temperature in Sydney?
The average daily maximum temperature in Sydney is highest in January at around 26 °C.
When is the sea warmest at Sydney?
In February, at around 23 °C.