Measurements:
°C
°F
CURRENT WEATHER
11:12
Sydney
46°F
N 8 mph
Feels like: 42°F
Precip: 88%
World Resorts Canada Sydney Weather

7 Day Weather Forecast

05.19
tue
DAY
46°F
N 8 mph
precip
88%
NIGHT
46°F
N 3 mph
precip
0%
05.20
wed
DAY
72°F
E 11 mph
precip
0%
NIGHT
58°F
SE 14 mph
precip
0%
05.21
thu
DAY
48°F
SE 21 mph
precip
0%
NIGHT
40°F
E 10 mph
precip
0%
05.22
fri
DAY
48°F
SE 19 mph
precip
0%
NIGHT
40°F
E 11 mph
precip
0%
05.23
sat
DAY
50°F
SE 12 mph
precip
0%
NIGHT
38°F
E 6 mph
precip
0%
05.24
sun
DAY
58°F
SE 10 mph
precip
0%
NIGHT
42°F
E 5 mph
precip
0%
05.25
mon
DAY
64°F
NE 3 mph
precip
0%
NIGHT
48°F
NE 9 mph
precip
0%

Sydney Sea Water Temperature in May, °F

Select Year: 2026 2025 2024

The average sea surface temperature in May 2026 for Sydney was 4.2°F. The maximum and minimum values were 2.5°F and 6.1°F respectively.

Sydney on the Weather Map

Best Time to Visit Sydney
The most sunny months:
August 9 days
September 8 days
June 7 days
The most warm months:
August 75.7 °F
July 74.3 °F
September 67.9 °F
Warmest sea temperature:
August 70.1 °F
September 65.7 °F
July 63.9 °F
The most cold months:
February 27.0 °F
January 28.2 °F
March 32.5 °F
The most rainy months:
November 6 days
December 6 days
March 4 days
The most windy months:
December 12 mph
February 11 mph
November 11 mph
more details