Measurements:
°C
°F
Tainan
84°F
NW 10 mph
Feels like: 92°F
Precip: 84%
World Resorts China Tainan Weather

Tainan Sea Water Temperature

Current Sea Water Temperature:
+88.6°F
Maximum Sea Water Temperature in July: 92.6°F
Minimum Sea Water Temperature in July: 84.6°F
Average water temperature in July: 89.6°F

Sea Water Temperature for the Last 10 Days:

July 19 88.6°F July 14 87.8°F
July 18 88.8°F July 13 88.4°F
July 17 89.0°F July 12 89.4°F
July 16 89.2°F July 11 89.6°F
July 15 89.0°F July 10 89.4°F

When is the Warmest Sea for Tainan?

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

Average Water Temperature by Month, °F

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Tainan was 89.5°F. The maximum and minimum values were 87.8°F and 90.6°F respectively.

Sea Water Temperature in August

Select Year: 2024 2023 2022

The average sea surface temperature in August 2024 for Tainan was 90.2°F. The maximum and minimum values were 89.0°F and 91.6°F respectively.

Sea Water Temperature in June

Select Year: 2025 2024 2023

The average sea surface temperature in June 2025 for Tainan was 89.1°F. The maximum and minimum values were 87.2°F and 90.8°F respectively.

Best Time to Visit Tainan
The most sunny months:
January 18 days
December 18 days
March 18 days
The most warm months:
July 96.0 °F
September 94.9 °F
August 94.9 °F
Warmest sea temperature:
July 89.6 °F
August 89.1 °F
June 88.5 °F
The most cold months:
January 74.6 °F
February 77.6 °F
December 78.5 °F
The most rainy months:
August 14 days
July 12 days
June 9 days
The most windy months:
January 11 mph
December 11 mph
February 10 mph

Tainan on the Weather Map

China Resorts:
NAME
Beidaihe +76
Beijing +86
Dadunhai +82
Dalian +80
Guangzhou +90
Hainan +76
Hangzhou +82
Hong Kong +88
Macau +86
Quingdao +84
Sanya +82
Shanghai +84
Shenzhen +84
Weihai +78
Yalong Bay +82
24 Hours Weather Forecast
Tainan
Local time: 23:45
20 jul, sunday
0000 84°F
NW
10 mph
0300 84°F
NW
17 mph
0600 84°F
NW
16 mph
0900 88°F
NW
19 mph
1200 88°F
N
17 mph
1500 88°F
NW
13 mph
1800 84°F
NW
12 mph
2100 80°F
NW
14 mph