Monthly Climate
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Best time to visit Adelaide

April is the best time to visit Adelaide for general sightseeing, with average highs of 21 °C and about 5 wet days. The comfortable season runs roughly October to December. The sea stays above 20 °C from January to March.

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 95/100
A beach holiday February sea 22 °C
The least cloud February 34 % average cloud cover
The least rain March 19 mm
Warmth January 28 °C
Cooler weather July 14 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days Beach
1 April 95 21 °C 5 65
2 November 94 23 °C 5 66
3 March 93 25 °C 3 87
4 December 91 25 °C 4 81
5 October 90 20 °C 6 46
6 February 85 27 °C 3 94
7 January 84 28 °C 3 92
8 May 80 17 °C 8 39
9 September 76 17 °C 9 24
10 June 66 15 °C 9 18
11 August 64 15 °C 10 13
12 July 61 14 °C 10 10

For a beach holiday

February scores highest, with a sea temperature of 22 °C and air temperatures around 27 °C. The sea is above 20 °C from January to March.

Month Sea Air Sunshine Beach score
January 21 °C 28 °C 34 % 92
February 22 °C 27 °C 34 % 94
March 21 °C 25 °C 39 % 87
April 19 °C 21 °C 46 % 65
May 17 °C 17 °C 53 % 39
June 15 °C 15 °C 53 % 18
July 14 °C 14 °C 50 % 10
August 13 °C 15 °C 48 % 13
September 14 °C 17 °C 48 % 24
October 16 °C 20 °C 47 % 46
November 18 °C 23 °C 47 % 66
December 20 °C 25 °C 44 % 81

When to think twice

July scores lowest with about 10 wet days and highs near 14 °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 27.6 °C 21 mm 34 %
February 27.4 °C 19 mm 34 %
March 24.7 °C 19 mm 39 %
April 21.2 °C 38 mm 46 %
May 17.4 °C 51 mm 53 %
June 14.5 °C 58 mm 53 %
July 13.8 °C 64 mm 50 %
August 14.6 °C 58 mm 48 %
September 17.0 °C 54 mm 48 %
October 20.1 °C 36 mm 47 %
November 23.2 °C 30 mm 47 %
December 25.3 °C 25 mm 44 %

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.