Measurements:
°C
°F
Hong Kong
64°F
W 14 mph
Feels like: 64°F
Precip: 0%
World Resorts China Hong Kong Weather

Hong Kong Sea Water Temperature

Current Sea Water Temperature:
+71.2°F
Maximum Sea Water Temperature in March: 77.0°F
Minimum Sea Water Temperature in March: 65.0°F
Average water temperature in March: 70.1°F

Sea Water Temperature for the Last 10 Days:

March 13 71.2°F March 08 70.6°F
March 12 70.4°F March 07 70.0°F
March 11 71.4°F March 06 70.6°F
March 10 70.6°F March 05 70.4°F
March 09 70.2°F March 04 71.4°F

When is the Warmest Sea for Hong Kong?

According to our data for the last three years for Hong Kong the highest average sea water temperature was in July, August and September.

Average Water Temperature by Month, °F

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Hong Kong was 88.4°F. The maximum and minimum values were 87.4°F and 89.8°F respectively.

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Hong Kong was 87.6°F. The maximum and minimum values were 86.8°F and 88.4°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Hong Kong was 88.3°F. The maximum and minimum values were 85.6°F and 90.0°F respectively.

Best Time to Visit Hong Kong
The most sunny months:
January 14 days
December 14 days
October 13 days
The most warm months:
July 93.5 °F
August 93.5 °F
September 92.4 °F
Warmest sea temperature:
July 88.0 °F
August 87.7 °F
September 87.3 °F
The most cold months:
January 68.7 °F
December 70.7 °F
February 71.2 °F
The most rainy months:
June 10 days
August 10 days
July 9 days
The most windy months:
July 9 mph
June 9 mph
October 9 mph

Hong Kong on the Weather Map

China Resorts:
NAME
Beidaihe +40
Beijing +50
Dadunhai +76
Dalian +40
Guangzhou +80
Haikou +72
Hainan +68
Hong Kong +64
Macau +66
Quingdao +44
Sanya +76
Shanghai +50
Shenzhen +66
Weihai +42
Yalong Bay +76
24 Hours Weather Forecast
Hong Kong
Local time: 17:42
13 mar, friday
1800 64°F
W
14 mph
2100 64°F
W
15 mph
14 mar, saturday
0000 64°F
W
14 mph
0300 62°F
W
14 mph
0600 62°F
W
16 mph
0900 64°F
W
11 mph
1200 72°F
W
6 mph
1500 72°F
NW
6 mph

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