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: 07:25
January 01, thursday
0900
68°F
S
11 mph
11 mph
1200
73°F
S
12 mph
12 mph
1500
73°F
S
19 mph
19 mph
1800
66°F
S
22 mph
22 mph
2100
64°F
S
20 mph
20 mph
January 02, friday
0000
63°F
S
18 mph
18 mph
0300
63°F
S
17 mph
17 mph
0600
61°F
S
20 mph
20 mph
