yearsofweather

Sydney in August:
cool and fresh,

Sydney, Australia · Records from 2006 to 2025. Not a forecast.

Mean high20°Hottest day 30.9° (2024)
Mean low10°Coldest night 3.5° (2009)
Rain days7 days1-16 by year
Rainfall85mmDaylight 10.5 → 11.3 h
Sydney's 12 months iBest: September to November
Trip types Beach Poorcool seaSightseeing on foot Goodmild
Sea temperature18.3°17.8-19.4° by year (last 6)
Sunrise / sunset (15th)06:35 / 17:25Daylight 10.5 → 11.3 h

Sydney in August

The tail of winter, among the less rainy stretches of the year. Many clear dry days make city walking pleasant. By month end a spring-like day or two appears. When the sun is out it feels warm, so you will keep taking a jacket on and off.

Sydney saw 20°C by day and 10°C at night in August. A light layer covered most days. With about 7 rain days, showers were an occasional nuisance rather than the rule. Year to year it swung widely, from 1 rain day in 2012 to 16 in 2025.

The warmest year was 2009, with highs averaging 22.1°C, 2.3°C above normal.

Date by date i

‹ July August 2027 September ›
Sun
Mon
Tue
Wed
Thu
Fri
Sat
Week
1-7rain on 23% of days19° 9°
8-14rain on 21% of days19° 9°
15-21rain on 21% of days20° 10°
22-28rain on 25% of days20° 11°
29-31rain on 18% of days21° 11°

0-5/206-8/209-11/2012-20/20

1-7rain on 23% of days19° 9°
8-14rain on 21% of days19° 9°
15-21rain on 21% of days20° 10°
22-28rain on 25% of days20° 11°
29-31rain on 18% of days21° 11°
Tap another date to change

20062mm
20072mm
2008none
20093mm
2010none
2011none
2012none
2013none
2014none
201535mm
201673mm
2017none
201810mm
2019none
2020none
202192mm
20221mm
20231mm
2024none
2025none
Holidays in August (2027) · No public holidays this month.

Day by day temperature i

8°16°24°32° 1815222931

Mean high Mean low Coldest to warmest high in 20 years

Your trip dates, the past 20 years

Trip dates ~

You can also click two dates on the axis. Hover a cell to see that day's rain.
Trip rain days Month rain days
2006
2 d 5 d
2007
1 d 6 d
2008
3 d 8 d
2009
0 d 3 d
2010
2 d 5 d
2011
1 d 10 d
2012
0 d 1 d
2013
1 d 2 d
2014
0 d 14 d
2015
0 d 4 d
2016
4 d 8 d
2017
1 d 2 d
2018
2 d 7 d
2019
0 d 5 d
2020
1 d 8 d
2021
1 d 4 d
2022
3 d 11 d
2023
4 d 12 d
2024
1 d 7 d
2025
5 d 16 d
Years with rain
Tap a date to start, tap another to end. Each cell is that date in one year.
'06'07'08'09'10'11'12'13'14'15'16'17'18'19'20'21'22'23'24'25
of 20
3
5
7
4
3
3
7
4
3
5
3
5
5
5
4
5
4
6
6
3
2
5
5
9
5
5
5
1
3
3
5
Rain days on trip
21302101004120113415

No rain1-9 mm10 mm or more Dates outside your trip are dimmed.

One row per year, one cell per day. 2012 had 1 rain day, 2025 had 16.

Sydney through the year

MonthHighLowRain daysRainfallSea
January 27°20°10 days98mm 24°
February 28°20°10 days137mm 24°
March 26°19°12 days179mm 24°
April 24°15°10 days145mm 23°
May 21°13°8 days99mm 21°
June 18°10°10 days155mm 20°
July 18°9°8 days104mm 18°
August 20°10°7 days85mm 18°
SeptemberGood 22°12°7 days68mm 19°
OctoberGood 24°15°9 days69mm 20°
NovemberGood 25°17°10 days94mm 20°
December 27°18°9 days79mm 22°

Common questions

Does it rain a lot in Sydney in August?

Over the past 20 years August averaged 7 rain days (1 mm or more) out of 31. Individual years ran from 1 in the driest to 16 in the wettest.

What should I wear in Sydney in August?

Days averaged 20°C and nights 10°C. Pack a compact umbrella and a light layer for the evenings.

Can you swim in Sydney in August?

Sea surface temperature averaged 18.3°C in August, more for a paddle than a swim. Year to year it ranged 17.8-19.4°C. Check local flags for waves and jellyfish on the day.

Is August a good time to visit Sydney?

On warmth and rain days alone, Sydney's easiest months were September to November. August ranked 7 of 12.