World Resorts China Hong Kong Weather

Hong Kong sea water temperature

Current sea water temperature:
+70.0°F
Minimum sea water temperature in December: 74.7°F
Maximum sea water temperature in December: 61.9°F
Average sea water temperature in December: 68.8°F

Sea water temperature for the last 10 days:

December 4 70.0°F November 29 70.7°F
December 3 70.0°F November 28 71.1°F
December 2 70.0°F November 27 71.1°F
December 1 70.3°F November 26 72.3°F
November 30 70.5°F November 25 72.1°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:
December 14 days
January 13 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 67.0 °F
December 68.7 °F
February 69.0 °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
+68°F
W 10 mph
Feels like: +68°F
Precip.: 0%
Places in China:
Name
°F
+39°F
+41°F
+68°F
+72°F
+79°F
+43°F
+70°F
+37°F
+79°F
+72°F
+70°F
+41°F
+55°F
+72°F
+79°F
24 Hours Forecast
Hong Kong
Local time: 10:59
December 05, friday
1200
68°F
W
10 mph
1500
68°F
W
11 mph
1800
66°F
W
9 mph
2100
66°F
W
12 mph
December 06, saturday
0000
66°F
W
13 mph
0300
66°F
W
14 mph
0600
66°F
W
14 mph
0900
66°F
SW
11 mph

Best place for vacation:

Units of measurement: °C / °F