Measurements:
°C
°F
Dadunhai
74°F
SW 12 mph
Feels like: 74°F
Precip: 0%
World Resorts China Dadunhai Weather

Dadunhai Sea Water Temperature

Current Sea Water Temperature:
+80.4°F
Maximum Sea Water Temperature in December: 84.6°F
Minimum Sea Water Temperature in December: 74.8°F
Average water temperature in December: 80.2°F

Sea Water Temperature for the Last 10 Days:

December 14 80.4°F December 09 80.0°F
December 13 80.4°F December 08 80.6°F
December 12 80.4°F December 07 80.6°F
December 11 80.0°F December 06 80.6°F
December 10 79.8°F December 05 81.6°F

When is the Warmest Sea for Dadunhai?

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

Average Water Temperature by Month, °F

Sea Water Temperature in June

Select Year: 2025 2024 2023

The average sea surface temperature in June 2025 for Dadunhai was 89.2°F. The maximum and minimum values were 87.8°F and 91.0°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Dadunhai was 87.9°F. The maximum and minimum values were 85.8°F and 89.2°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Dadunhai was 88.2°F. The maximum and minimum values were 85.2°F and 89.6°F respectively.

Best Time to Visit Dadunhai
The most sunny months:
January 12 days
November 12 days
March 11 days
The most warm months:
June 93.6 °F
July 93.2 °F
August 93.2 °F
Warmest sea temperature:
June 89.1 °F
September 88.6 °F
July 88.5 °F
The most cold months:
January 79.0 °F
December 80.6 °F
February 80.6 °F
The most rainy months:
July 8 days
September 8 days
August 7 days
The most windy months:
January 8 mph
December 8 mph
November 8 mph

Dadunhai on the Weather Map

China Resorts:
NAME
Beidaihe +28
Beijing +28
Dadunhai +74
Dalian +32
Guangzhou +68
Haikou +68
Hainan +64
Hangzhou +48
Hong Kong +66
Macau +68
Quingdao +38
Sanya +74
Shanghai +46
Shenzhen +64
Yalong Bay +74
24 Hours Weather Forecast
Dadunhai
Local time: 16:51
14 dec, sunday
1800 74°F
SW
12 mph
2100 68°F
SW
8 mph
15 dec, monday
0000 66°F
SW
7 mph
0300 66°F
SW
7 mph
0600 66°F
SW
6 mph
0900 74°F
SW
6 mph
1200 82°F
W
10 mph
1500 82°F
W
14 mph