World Resorts China Hong Kong Weather

Hong Kong sea water temperature

Current sea water temperature:
+68.9°F
Minimum sea water temperature in March: 74.3°F
Maximum sea water temperature in March: 63.5°F
Average sea water temperature in March: 68.1°F

Sea water temperature for the last 10 days:

March 15 68.9°F March 10 68.5°F
March 14 69.1°F March 9 68.2°F
March 13 69.1°F March 8 68.5°F
March 12 68.4°F March 7 68.0°F
March 11 69.3°F March 6 68.5°F

When is the warmest sea in Hong Kong?

Based on the data about daily sea water temperature for the last three years the warmest sea in Hong Kong was noticed in July, August and September.

Monthly Sea Temperatures in Hong Kong, °F

Sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 84.6°F. The highest and lowest sea temperatures during the month were 85.8°F and 83.7°F.

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 83.8°F. The highest and lowest sea temperatures during the month were 84.6°F and 83.1°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 84.5°F. The highest and lowest sea temperatures during the month were 86.0°F and 82.0°F.

Best time for vacation in Hong Kong

Sunniest months:
January 14 days
December 14 days
October 13 days
Warmest months:
July 89.1 °F
August 89.1 °F
September 88.2 °F
Warmest sea temp:
July 84.2 °F
August 84.0 °F
September 83.5 °F
Coldest months:
January 66.8 °F
December 68.7 °F
February 69.1 °F
Rainiest months:
June 10 days
August 10 days
July 9 days
Windiest months:
July 9.3 mph
June 9.1 mph
October 8.9 mph

Hong Kong on a weather map

Hong Kong
+64°F
W 7 mph
Feels like: +64°F
Precip.: 0%
Places in China:
Name
°F
+39°F
+37°F
+64°F
+70°F
+66°F
+37°F
+68°F
+46°F
+66°F
+68°F
+64°F
+43°F
+48°F
+64°F
+66°F
24 Hours Forecast
Hong Kong
Local time: 02:01
March 16, monday
0300
64°F
W
7 mph
0600
64°F
W
8 mph
0900
66°F
W
12 mph
1200
70°F
W
12 mph
1500
72°F
W
9 mph
1800
70°F
NW
7 mph
2100
66°F
W
8 mph
March 17, tuesday
0000
68°F
W
7 mph

Best place for vacation:

Units of measurement: °C / °F