Measurements:
°C
°F
CURRENT WEATHER
15:41
Sydney
64°F
NE 12 mph
Feels like: 64°F
Precip: 100%
World Resorts Australia Sydney Weather

7 Day Weather Forecast

05.19
tue
DAY
64°F
E 8 mph
precip
100%
NIGHT
62°F
NE 7 mph
precip
0%
05.20
wed
DAY
64°F
N 14 mph
precip
73%
NIGHT
58°F
NE 9 mph
precip
60%
05.21
thu
DAY
64°F
N 21 mph
precip
70%
NIGHT
62°F
N 14 mph
precip
100%
05.22
fri
DAY
64°F
N 15 mph
precip
100%
NIGHT
62°F
NW 11 mph
precip
100%
05.23
sat
DAY
66°F
N 9 mph
precip
0%
NIGHT
64°F
NE 4 mph
precip
100%
05.24
sun
DAY
70°F
N 4 mph
precip
0%
NIGHT
62°F
N 14 mph
precip
100%
05.25
mon
DAY
64°F
N 20 mph
precip
0%
NIGHT
60°F
NE 12 mph
precip
24%

Sydney Sea Water Temperature in May, °F

Select Year: 2026 2025 2024

The average sea surface temperature in May 2026 for Sydney was 19.9°F. The maximum and minimum values were 18.6°F and 20.9°F respectively.

Sydney on the Weather Map

Best Time to Visit Sydney
The most sunny months:
July 19 days
May 18 days
August 18 days
The most warm months:
January 81.2 °F
February 80.6 °F
March 79.0 °F
Warmest sea temperature:
February 76.8 °F
March 76.3 °F
January 75.8 °F
The most cold months:
July 63.0 °F
June 63.3 °F
August 64.6 °F
The most rainy months:
June 4 days
March 4 days
November 3 days
The most windy months:
January 11 mph
December 11 mph
November 11 mph
more details