Measurements:
°C
°F
Hong Kong
82°F
N 6 mph
Feels like: 88°F
Precip: 100%
World Resorts China Hong Kong Weather

Hong Kong Sea Water Temperature

Current Sea Water Temperature:
+82.4°F
Maximum Sea Water Temperature in May: 89.6°F
Minimum Sea Water Temperature in May: 74.8°F
Average water temperature in May: 81.8°F

Sea Water Temperature for the Last 10 Days:

May 14 82.4°F May 09 80.2°F
May 13 80.8°F May 08 79.6°F
May 12 79.6°F May 07 79.0°F
May 11 78.8°F May 06 78.8°F
May 10 79.8°F May 05 79.6°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 +68
Beihai +88
Beijing +102
Dadunhai +90
Dalian +66
Guangzhou +88
Haikou +86
Hainan +94
Hong Kong +82
Quingdao +64
Sanya +90
Shanghai +74
Shenzhen +82
Weihai +68
Yalong Bay +90
24 Hours Weather Forecast
Hong Kong
Local time: 17:30
14 may, thursday
1800 82°F
N
6 mph
2100 80°F
NW
9 mph
15 may, friday
0000 76°F
W
11 mph
0300 76°F
W
9 mph
0600 76°F
W
9 mph
0900 78°F
W
10 mph
1200 80°F
W
11 mph
1500 80°F
W
12 mph

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