Australia

Sydney Weather

Sydney weather today, the 14-day forecast, and average temperature, rain and what to wear for every month — compared against Hong Kong. Best months to visit: Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov and Dec.

Sydney now (local time 22:30)

17°C

Mostly clear

Feels like: 17°
Humidity: 86%
Wind: 5 km/h

Next 7 days · what to wear

11° – 27°C

Rain likely on 3 of 7 days

👕 Short sleeves with a light long-sleeve or jacket for cool mornings and evenings; it's wet, so pack a compact umbrella.

Sydney 14-day forecast

Today
10/4
🌦️
24°
14°
💧53%
Mon
10/5
🌦️
20°
14°
💧73%
Tue
10/6
🌦️
27°
15°
💧23%
Wed
10/7
🌦️
17°
15°
💧86%
Thu
10/8
🌦️
18°
13°
💧42%
Fri
10/9
☁️
19°
11°
💧0%
Sat
10/10
☁️
26°
13°
💧43%
Sun
10/11
🌦️
30°
18°
💧21%
Mon
10/12
☁️
23°
17°
💧24%
Tue
10/13
🌦️
22°
18°
💧47%
Wed
10/14
☁️
28°
19°
💧35%
Thu
10/15
⛅
24°
17°
💧41%
Fri
10/16
🌦️
20°
14°
💧47%
Sat
10/17
🌦️
18°
15°
💧31%

Best time to visit Sydney

On temperature and rainfall, the most comfortable months in Sydney are Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov and Dec. The hottest month is January (average high 26°C) and the coldest is July (average low 11°C).

Jan26°20°Feb25°20°Mar24°20°Apr22°17°May19°15°Jun17°13°Jul16°11°Aug17°12°Sep19°13°Oct21°15°Nov23°17°Dec24°18°

Sydney climate by month

Month	Avg high	Avg low	Rain	Humidity	vs Hong Kong
JanBest	26°C	20°C	83 mm	75%	+6°C
FebBest	25°C	20°C	134 mm	77%	+5°C
MarBest	24°C	20°C	104 mm	75%	+2°C
AprBest	22°C	17°C	73 mm	73%	-4°C
MayBest	19°C	15°C	54 mm	71%	-10°C
JunBest	17°C	13°C	87 mm	74%	-14°C
JulBest	16°C	11°C	44 mm	72%	-15°C
AugBest	17°C	12°C	47 mm	69%	-15°C
SepBest	19°C	13°C	43 mm	68%	-12°C
OctBest	21°C	15°C	64 mm	70%	-8°C
NovBest	23°C	17°C	83 mm	73%	-3°C
DecBest	24°C	18°C	72 mm	73%	+3°C

Data: NASA POWER 2001–2020 climatology (MERRA-2, elevation-corrected); Hong Kong comparison uses HKO 1991–2020 normals.

Sydney weather month by month: what to wear

Sydney in OctoberBest monthThis month

October in Sydney is pleasantly warm: average highs of 21°C and lows of 15°C, around 64 mm of rain (mostly dry) and 70% humidity — about 8°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.

👕 Short sleeves with a light long-sleeve or jacket for cool mornings and evenings.

Sydney in NovemberBest month

November in Sydney is pleasantly warm: average highs of 23°C and lows of 17°C, around 83 mm of rain (some rain) and 73% humidity — about 3°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.

👕 Short sleeves with a light long-sleeve or jacket for cool mornings and evenings.

Sydney in DecemberBest month

December in Sydney is pleasantly warm: average highs of 24°C and lows of 18°C, around 72 mm of rain (mostly dry) and 73% humidity — about 3°C warmer than Hong Kong. It's one of the most comfortable months of the year to visit.

👕 Short sleeves with a light long-sleeve or jacket for cool mornings and evenings.

Sydney in JanuaryBest month

January in Sydney is pleasantly warm: average highs of 26°C and lows of 20°C, around 83 mm of rain (some rain) and 75% humidity — about 6°C warmer than Hong Kong. It's one of the most comfortable months of the year to visit.

👕 Short sleeves, plus a light layer for air-conditioned interiors.

Sydney in FebruaryBest month

February in Sydney is pleasantly warm: average highs of 25°C and lows of 20°C, around 134 mm of rain (some rain) and 77% humidity — about 5°C warmer than Hong Kong. It's one of the most comfortable months of the year to visit.

👕 Short sleeves with a light long-sleeve or jacket for cool mornings and evenings.

Sydney in MarchBest month

March in Sydney is pleasantly warm: average highs of 24°C and lows of 20°C, around 104 mm of rain (some rain) and 75% humidity — about 2°C warmer than Hong Kong. It's one of the most comfortable months of the year to visit.

👕 Short sleeves with a light long-sleeve or jacket for cool mornings and evenings.

Sydney in AprilBest month

April in Sydney is pleasantly warm: average highs of 22°C and lows of 17°C, around 73 mm of rain (mostly dry) and 73% humidity — about 4°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.

👕 Short sleeves with a light long-sleeve or jacket for cool mornings and evenings.

Sydney in MayBest month

May in Sydney is mild and cool: average highs of 19°C and lows of 15°C, around 54 mm of rain (mostly dry) and 71% humidity — about 10°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.

👕 Long sleeves with a light jacket or sweater.

Sydney in JuneBest month

June in Sydney is mild and cool: average highs of 17°C and lows of 13°C, around 87 mm of rain (some rain) and 74% humidity — about 14°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.

👕 Long sleeves with a light jacket or sweater.

Sydney in JulyBest month

July in Sydney is mild and cool: average highs of 16°C and lows of 11°C, around 44 mm of rain (mostly dry) and 72% humidity — about 15°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.

👕 Long sleeves with a light jacket or sweater.

Sydney in AugustBest month

August in Sydney is mild and cool: average highs of 17°C and lows of 12°C, around 47 mm of rain (mostly dry) and 69% humidity — about 15°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.

👕 Long sleeves with a light jacket or sweater.

Sydney in SeptemberBest month

September in Sydney is mild and cool: average highs of 19°C and lows of 13°C, around 43 mm of rain (mostly dry) and 68% humidity — about 12°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.

👕 Long sleeves with a light jacket or sweater.

FAQ

›What is the best time to visit Sydney?

On temperature and rainfall, the most comfortable months in Sydney are Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov and Dec. The hottest month is January (average high 26°C) and the coldest is July (average low 11°C).

›What's the weather like in Sydney in October, and what should I wear?

October in Sydney is pleasantly warm: average highs of 21°C and lows of 15°C, around 64 mm of rain (mostly dry) and 70% humidity — about 8°C colder than Hong Kong. It's one of the most comfortable months of the year to visit. What to wear: Short sleeves with a light long-sleeve or jacket for cool mornings and evenings.

›What's the weather like in Sydney in November, and what should I wear?

November in Sydney is pleasantly warm: average highs of 23°C and lows of 17°C, around 83 mm of rain (some rain) and 73% humidity — about 3°C colder than Hong Kong. It's one of the most comfortable months of the year to visit. What to wear: Short sleeves with a light long-sleeve or jacket for cool mornings and evenings.

›When is the rainy season in Sydney?

Sydney is wettest in February, with about 134 mm on average, and driest in September, with about 43 mm.

›How cold does Sydney get? Does it snow?

The coldest month is July, averaging 16°C by day and 11°C at night. Snow is very unlikely.

Planning a trip to Sydney?

More Australia weather

Melbourne●10–19°Brisbane●17–26°Gold Coast●16–27°Cairns●21–30°Perth●15–20°Adelaide●10–22°Uluru●14–32°Hobart●8–16°Canberra●8–21°

Popular destinations in October

Tokyo●14–22°Osaka●14–23°Fukuoka●16–23°Sapporo●7–16°Okinawa (Naha)●24–28°Kyoto●13–22°Nagoya●14–23°Seoul●9–19°Busan●13–21°Jeju Island●16–21°Taipei22–27°Taichung●22–30°

Forecast data: Open-Meteo.com (CC BY 4.0), refreshed every 3 hours. Hottest month: January; coldest: July.