26.08
wed
wed
Day
90°F
NE 11 mph
Precip.
36%
36%
Night
82°F
N 1 mph
Precip.
25%
25%
27.08
thu
thu
Day
90°F
E 8 mph
Precip.
12%
12%
Night
81°F
SE 7 mph
Precip.
70%
70%
28.08
fri
fri
Day
77°F
E 22 mph
Precip.
95%
95%
Night
79°F
N 22 mph
Precip.
78%
78%
29.08
sat
sat
Day
93°F
NE 5 mph
Precip.
9%
9%
Night
86°F
N 1 mph
Precip.
16%
16%
30.08
sun
sun
Day
93°F
SE 9 mph
Precip.
4%
4%
Night
82°F
N 3 mph
Precip.
52%
52%
31.08
mon
mon
Day
88°F
N 7 mph
Precip.
57%
57%
Night
79°F
W 6 mph
Precip.
52%
52%
01.09
tue
tue
Day
84°F
NW 15 mph
Precip.
62%
62%
Night
81°F
NW 6 mph
Precip.
61%
61%
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 84.6°F. The highest and lowest sea temperatures during the month were 86.0°F and 84.0°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 85.4°F. The highest and lowest sea temperatures during the month were 86.4°F and 84.2°F.
Air temperature in Tainan, °F
Precipitation total in Tainan, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Tainan
Tainan on a weather map
Places in China:
Name
°F
24 Hours Forecast
Tainan
Local time: 01:32
August 26, wednesday
0300
77°F
NW
5 mph
5 mph
0600
77°F
NW
6 mph
6 mph
0900
86°F
N
7 mph
7 mph
1200
90°F
NE
11 mph
11 mph
1500
88°F
NE
10 mph
10 mph
1800
86°F
E
7 mph
7 mph
2100
84°F
NE
6 mph
6 mph
August 27, thursday
0000
82°F
N
1 mph
1 mph
