Measurements:
°C
°F
Tainan
72°F
S 15 mph
Feels like: 72°F
Precip: 0%
World Resorts China Tainan Weather

Tainan Sea Water Temperature

Current Sea Water Temperature:
+77.2°F
Maximum Sea Water Temperature in February: 80.4°F
Minimum Sea Water Temperature in February: 72.0°F
Average water temperature in February: 76.6°F

Sea Water Temperature for the Last 10 Days:

February 18 77.2°F February 13 77.8°F
February 17 78.0°F February 12 76.8°F
February 16 78.0°F February 11 75.8°F
February 15 78.0°F February 10 74.6°F
February 14 78.0°F February 09 75.4°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 89.1°F. The maximum and minimum values were 87.8°F and 90.6°F respectively.

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Tainan was 88.7°F. The maximum and minimum values were 87.6°F and 89.8°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 19 days
December 18 days
March 18 days
The most warm months:
July 95.6 °F
September 94.9 °F
August 94.7 °F
Warmest sea temperature:
July 89.6 °F
August 89.0 °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 13 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 +30
Beijing +48
Dadunhai +78
Dalian +30
Guangzhou +82
Haikou +74
Hainan +76
Hong Kong +68
Macau +68
Quingdao +40
Sanya +78
Shanghai +52
Shenzhen +70
Weihai +32
Yalong Bay +78
24 Hours Weather Forecast
Tainan
Local time: 19:23
18 feb, wednesday
2100 70°F
S
9 mph
19 feb, thursday
0000 70°F
S
5 mph
0300 70°F
SE
3 mph
0600 70°F
SE
3 mph
0900 72°F
NE
2 mph
1200 76°F
E
9 mph
1500 76°F
E
9 mph
1800 72°F
SE
6 mph