World Resorts Australia Sydney Weather

Sydney weather in October

Weather in Sydney: October

Average day temperature: 70.4°F
Average night temperature: 60.2°F
Sea water temperature: 66.1°F
Number of sunny days: 17 days
Day length: 12.4 - 13.4 hours
Number of rainy days: 2 days
Precipitation totals: 1.2 in.

Air temperature in October, °F

Show year:
2025
2024
2023

The highest day temperature during October of 2025 was 96°F. At the same time the lowest night temperature was 53°F. Daily and nightly averages during October were 73.1°F and 61.5°F.

Sea water temperature in Sydney in October, °F

Show year:
2025
2024
2023

The average sea water temperature in October of 2025 was 67.2°F. The highest and lowest sea temperatures during the month were 68.7°F and 66.2°F.

Sunny, partly cloudy and cloudy days

Mostly all days in October are sunny but cloudy days are also possible.

Precipitation total in October, in.

Precipitation total value in Sydney in October is 1.0 in. Other months of the year show relatively similar values.

Wind speed in October, mph

The average wind speed value in October is 11.1 mph

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in October is: 7.9.

Best time for vacation in Sydney

Sunniest months:
July 19 days
May 18 days
August 18 days
Warmest months:
January 78.3 °F
February 77.6 °F
March 76.3 °F
Warmest sea temp:
February 74.1 °F
March 73.7 °F
January 73.2 °F
Coldest months:
July 61.7 °F
June 61.9 °F
August 63.1 °F
Rainiest months:
June 4 days
March 4 days
November 3 days
Windiest months:
January 11.0 mph
December 11.0 mph
November 10.8 mph

Sydney on a weather map

Sydney
+84°F
SW 18 mph
Feels like: +84°F
Precip.: 0%
Places in Australia:
Name
°F
+75°F
+84°F
+79°F
+88°F
+93°F
+86°F
+77°F
+72°F
+84°F
+55°F
+79°F
24 Hours Forecast
Sydney
Local time: 13:34
December 05, friday
1500
84°F
SW
18 mph
1800
77°F
SW
24 mph
2100
81°F
SW
19 mph
December 06, saturday
0000
73°F
S
10 mph
0300
72°F
S
7 mph
0600
75°F
SE
7 mph
0900
86°F
S
6 mph
1200
91°F
S
11 mph
Units of measurement: °C / °F