Measurements:
°C
°F
Hangzhou
34°F
SE 6 mph
Feels like: 30°F
Precip: 0%
World Resorts China Hangzhou Weather

Hangzhou Sea Water Temperature

Current Sea Water Temperature:
+57.2°F
Maximum Sea Water Temperature in December: 65.2°F
Minimum Sea Water Temperature in December: 46.6°F
Average water temperature in December: 57.8°F

Sea Water Temperature for the Last 10 Days:

December 13 57.2°F December 08 58.0°F
December 12 57.0°F December 07 62.2°F
December 11 56.6°F December 06 62.2°F
December 10 58.2°F December 05 62.0°F
December 09 58.2°F December 04 61.6°F

When is the Warmest Sea for Hangzhou?

According to our data for the last three years for Hangzhou 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 Hangzhou was 91.7°F. The maximum and minimum values were 87.0°F and 95.8°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Hangzhou was 89.7°F. The maximum and minimum values were 87.0°F and 93.0°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Hangzhou was 87.8°F. The maximum and minimum values were 83.8°F and 91.2°F respectively.

Best Time to Visit Hangzhou
The most sunny months:
December 17 days
January 14 days
July 13 days
The most warm months:
August 97.0 °F
July 96.7 °F
June 87.2 °F
Warmest sea temperature:
August 88.4 °F
July 86.7 °F
September 82.9 °F
The most cold months:
January 49.5 °F
February 51.7 °F
December 52.6 °F
The most rainy months:
June 11 days
August 9 days
July 9 days
The most windy months:
March 6 mph
April 6 mph
February 6 mph

Hangzhou on the Weather Map

China Resorts:
NAME
Beidaihe +20
Beijing +22
Dadunhai +68
Dalian +28
Guangzhou +52
Haikou +66
Hainan +62
Hangzhou +34
Hong Kong +60
Macau +58
Quingdao +30
Sanya +68
Shanghai +38
Shenzhen +56
Yalong Bay +68
24 Hours Weather Forecast
Hangzhou
Local time: 06:30
14 dec, sunday
0900 40°F
SE
5 mph
1200 48°F
SE
6 mph
1500 50°F
E
3 mph
1800 46°F
S
1 mph
2100 44°F
SW
2 mph
15 dec, monday
0000 42°F
NW
2 mph
0300 40°F
NE
3 mph
0600 38°F
NE
3 mph