Monthly Climate
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Best time to visit Sydney

April is the best time to visit Sydney for general sightseeing, with average highs of 22 °C and about 8 wet days. The comfortable season runs roughly August to December. The sea stays above 20 °C from November to May.

It depends what you are going for

One month rarely wins on everything. These are the best months on each measure taken on its own.

If you want Best month On that measure
Sightseeing and walking April comfort 92/100
A beach holiday January sea 23 °C
The least cloud August 32 % average cloud cover
The least rain July 36 mm
Warmth January 26 °C
Cooler weather July 16 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days Beach
1 April 92 22 °C 8 72
2 September 92 20 °C 5 55
3 October 92 22 °C 7 61
4 May 90 19 °C 6 61
5 November 89 23 °C 9 66
6 December 86 25 °C 8 77
7 March 86 24 °C 10 77
8 August 85 17 °C 5 47
9 February 82 25 °C 9 82
10 January 81 26 °C 9 83
11 July 80 16 °C 5 44
12 June 79 16 °C 8 44

For a beach holiday

January scores highest, with a sea temperature of 23 °C and air temperatures around 26 °C. The sea is above 20 °C from November to May.

Month Sea Air Sunshine Beach score
January 23 °C 26 °C 55 % 83
February 23 °C 25 °C 57 % 82
March 23 °C 24 °C 52 % 77
April 22 °C 22 °C 47 % 72
May 21 °C 19 °C 43 % 61
June 20 °C 16 °C 44 % 44
July 19 °C 16 °C 36 % 44
August 18 °C 17 °C 32 % 47
September 18 °C 20 °C 37 % 55
October 19 °C 22 °C 48 % 61
November 20 °C 23 °C 57 % 66
December 21 °C 25 °C 56 % 77

When to think twice

June scores lowest with about 8 wet days and highs near 16 °C. That does not make it a bad month — it depends entirely on what you are travelling for. The numbers are all here; the judgement is yours.

The full year

Month Avg high Rainfall Cloud
January 25.9 °C 68 mm 55 %
February 25.2 °C 88 mm 57 %
March 23.8 °C 69 mm 52 %
April 21.6 °C 53 mm 47 %
May 18.9 °C 46 mm 43 %
June 16.5 °C 65 mm 44 %
July 16.0 °C 36 mm 36 %
August 17.2 °C 37 mm 32 %
September 19.6 °C 41 mm 37 %
October 21.6 °C 51 mm 48 %
November 23.0 °C 70 mm 57 %
December 24.6 °C 55 mm 56 %

Data sources and method

Normal period
1991–2020
Dataset version
era5-1991-2020-scores1.1
Last processed

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: comfort score, beach score, season boundaries. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.