Measurements:
°C
°F
Sydney
60°F
SE 7 mph
Feels like: 58°F
Precip: 9%
World Resorts Canada Sydney Weather May Weather in Sydney

Sydney Weather: May

Average Day Temperature: 51.7°F
Average Night Temperature: 41.0°F
Sea Water Temperature: 40.7°F
Number of Sunny Days: 7 days
Sunshine Hours: 14.4 - 15.5 hours
Number of Rainy Days: 4 days
Precipitation Totals: 1.9 in

Air Temperature in May, °F

Select Year: 2026 2025 2024

The highest day temperature in May 2026 was 73°F. The lowest night temperature was 35°F. The average values for day and night temperatures during May were 49.6°F и 41.5°F respectivly.

Sydney Water Sea Temperature in May, °F

Select Year: 2026 2025 2024

The average sea surface temperature in May 2026 for Sydney was 40.1°F. The maximum and minimum values were 35.0°F and 45.4°F respectively.

Sunny, Cloudy and Gloomy days

Most of the days in May are gloomy but you can also expect sunny days.

Precipitation Totals in May, in

Precipitation total in May for Sydney is 1.9 in. It makes may one of the least rainy months of the year.

Wind Speed in May, mph

The average wind speed in May is 9.8 mph.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Sydney in May is 6.4 hours.

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

Sydney on the Weather Map

Canada Resorts:
NAME
Halifax +66
Kingston +62
Montreal +68
Ottawa +64
Prince Edward Island +56
Quebec +66
Saint John +60
Sydney +60
Thunder Bay +56
Tofino +56
Toronto +64
Vancouver +58
Victoria +54
Winnipeg +56
Yellowknife +54
24 Hours Weather Forecast
Sydney
Local time: 08:40
17 jun, wednesday
0900 60°F
SE
7 mph
1200 66°F
SE
6 mph
1500 66°F
S
5 mph
1800 60°F
W
6 mph
2100 52°F
NW
6 mph
18 jun, thursday
0000 48°F
N
4 mph
0300 48°F
W
1 mph
0600 50°F
NW
2 mph