Measurements:
°C
°F
Tainan
94°F
SE 11 mph
Feels like: 104°F
Precip: 17%
World Resorts China Tainan Weather

Tainan Sea Water Temperature

Current Sea Water Temperature:
+87.8°F
Maximum Sea Water Temperature in September: 91.8°F
Minimum Sea Water Temperature in September: 85.4°F
Average water temperature in September: 88.3°F

Sea Water Temperature for the Last 10 Days:

September 13 87.8°F September 08 86.6°F
September 12 87.6°F September 07 87.0°F
September 11 87.4°F September 06 87.6°F
September 10 87.4°F September 05 86.8°F
September 09 87.4°F September 04 86.6°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: 2026 2025 2024

The average sea surface temperature in July 2026 for Tainan was 89.0°F. The maximum and minimum values were 87.4°F and 90.4°F respectively.

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Tainan was 88.3°F. The maximum and minimum values were 86.8°F and 90.0°F respectively.

Sea Water Temperature in June

Select Year: 2026 2025 2024

The average sea surface temperature in June 2026 for Tainan was 87.6°F. The maximum and minimum values were 85.8°F and 89.4°F respectively.

Best Time to Visit Tainan
The most sunny months:
January 19 days
December 18 days
March 18 days
The most warm months:
July 95.4 °F
September 94.9 °F
August 94.5 °F
Warmest sea temperature:
July 89.5 °F
August 89.0 °F
June 88.4 °F
The most cold months:
January 74.6 °F
February 77.6 °F
December 78.5 °F
The most rainy months:
August 13 days
July 11 days
June 10 days
The most windy months:
January 11 mph
December 11 mph
February 10 mph

Tainan on the Weather Map

China Resorts:
NAME
Beidaihe +80
Beijing +84
Dadunhai +78
Dalian +76
Guangzhou +96
Hainan +72
Hong Kong +88
Macau +88
Quingdao +76
Sanya +78
Shanghai +86
Shenzhen +88
Weihai +74
Yalong Bay +78
Yantai +74
24 Hours Weather Forecast
Tainan
Local time: 14:55
14 sep, monday
1500 94°F
SE
11 mph
1800 94°F
S
6 mph
2100 90°F
W
5 mph
15 sep, tuesday
0000 88°F
N
9 mph
0300 86°F
N
6 mph
0600 84°F
W
4 mph
0900 90°F
NW
4 mph
1200 94°F
E
11 mph