Measurements:
°C
°F
Tainan
92°F
S 11 mph
Feels like: 96°F
Precip: 0%
World Resorts China Tainan Weather

Tainan Sea Water Temperature

Current Sea Water Temperature:
+87.2°F
Maximum Sea Water Temperature in May: 89.6°F
Minimum Sea Water Temperature in May: 81.0°F
Average water temperature in May: 85.4°F

Sea Water Temperature for the Last 10 Days:

May 31 87.2°F May 26 87.4°F
May 30 89.2°F May 25 86.4°F
May 29 88.2°F May 24 86.4°F
May 28 87.8°F May 23 86.6°F
May 27 87.6°F May 22 85.6°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: 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 +74
Beihai +90
Beijing +100
Dadunhai +88
Dalian +74
Guangzhou +90
Hainan +86
Hong Kong +86
Macau +84
Quingdao +74
Sanya +88
Shanghai +82
Shenzhen +86
Weihai +74
Yalong Bay +88
24 Hours Weather Forecast
Tainan
Local time: 17:19
31 may, sunday
1800 92°F
S
11 mph
2100 88°F
S
9 mph
01 jun, monday
0000 86°F
S
4 mph
0300 84°F
SW
5 mph
0600 84°F
S
7 mph
0900 88°F
S
8 mph
1200 94°F
S
13 mph
1500 94°F
SE
19 mph