Measurements:
°C
°F
Guangzhou
78°F
S 6 mph
Feels like: 78°F
Precip: 0%
World Resorts China Guangzhou Weather

Guangzhou Sea Water Temperature

Current Sea Water Temperature:
+70.8°F
Maximum Sea Water Temperature in December: 77.8°F
Minimum Sea Water Temperature in December: 60.4°F
Average water temperature in December: 70.5°F

Sea Water Temperature for the Last 10 Days:

December 04 70.8°F November 29 72.8°F
December 03 71.8°F November 28 72.8°F
December 02 72.2°F November 27 72.6°F
December 01 72.4°F November 26 72.6°F
November 30 72.6°F November 25 72.2°F

When is the Warmest Sea for Guangzhou?

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

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Guangzhou was 87.7°F. The maximum and minimum values were 85.8°F and 89.6°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Guangzhou was 89.2°F. The maximum and minimum values were 85.0°F and 91.4°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Guangzhou was 88.6°F. The maximum and minimum values were 85.0°F and 91.6°F respectively.

Best Time to Visit Guangzhou
The most sunny months:
December 16 days
October 13 days
January 12 days
The most warm months:
July 98.7 °F
August 98.4 °F
September 96.2 °F
Warmest sea temperature:
August 88.6 °F
July 88.0 °F
September 87.7 °F
The most cold months:
January 68.8 °F
December 69.8 °F
February 72.1 °F
The most rainy months:
June 15 days
May 14 days
July 12 days
The most windy months:
July 7 mph
June 7 mph
April 7 mph

Guangzhou on the Weather Map

China Resorts:
NAME
Beidaihe +40
Beijing +40
Dadunhai +80
Dalian +42
Guangzhou +78
Haikou +74
Hainan +72
Hong Kong +70
Macau +72
Quingdao +44
Sanya +80
Shanghai +58
Shenzhen +74
Weihai +42
Yalong Bay +80
24 Hours Weather Forecast
Guangzhou
Local time: 14:05
05 dec, friday
1500 78°F
S
6 mph
1800 78°F
S
6 mph
2100 74°F
S
6 mph
06 dec, saturday
0000 72°F
S
4 mph
0300 70°F
S
5 mph
0600 68°F
S
5 mph
0900 68°F
S
5 mph
1200 76°F
S
4 mph