Weather in Tainan: May
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Average day temperature: | 87.7°F |
| Average night temperature: | 79.6°F | |
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Sea water temperature: | 81.8°F |
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Number of sunny days: | 12 days |
| Day length: | 13.0 - 13.4 hours | |
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Number of rainy days: | 7 days |
| Precipitation totals: | 4.9 in. | |
| more information | ||
14 days
forecast
forecast
| Tainan |
sea water
temperature
temperature
| Tainan |
Air temperature in May, °F
Show year:
2025
2024
2023
The highest day temperature during May of 2025 was 91°F. At the same time the lowest night temperature was 72°F. Daily and nightly averages during May were 87.1°F and 80.4°F.
Sea water temperature in Tainan in May, °F
Show year:
2025
2024
2023
The average sea water temperature in May of 2025 was 83.0°F. The highest and lowest sea temperatures during the month were 85.3°F and 79.9°F.
Sunny, partly cloudy and cloudy days
Number of sunny, partly cloudy and cloudy days in May is almost equal.
Precipitation total in May, in.
Precipitation total value in Tainan in May is 4.1 in.
Wind speed in May, mph
The average wind speed value in May is 7.4 mph It makes May lest windy month of the year.
Average sunny hours
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in May is: 7.0.
Best time for vacation in Tainan
Tainan on a weather map
Places in China:
Name
°F
24 Hours Forecast
Tainan
Local time: 15:42
December 05, friday
1800
73°F
S
14 mph
14 mph
2100
70°F
S
10 mph
10 mph
December 06, saturday
0000
68°F
S
9 mph
9 mph
0300
68°F
SW
7 mph
7 mph
0600
66°F
S
6 mph
6 mph
0900
70°F
S
7 mph
7 mph
1200
75°F
S
8 mph
8 mph
1500
77°F
S
10 mph
10 mph
