Weather in Hoi An: May
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Average day temperature: | 89.3°F |
| Average night temperature: | 77.2°F | |
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Sea water temperature: | 81.5°F |
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Number of sunny days: | 16 days |
| Day length: | 12.7 - 13.0 hours | |
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Number of rainy days: | 7 days |
| Precipitation totals: | 3.2 in. | |
| more information | ||
14 days
forecast
forecast
| Hoi An |
sea water
temperature
temperature
| Hoi An |
Air temperature in May, °F
Show year:
2026
2025
2024
The highest day temperature during May of 2026 was 90°F. At the same time the lowest night temperature was 73°F. Daily and nightly averages during May were 86.7°F and 76.2°F.
Sea water temperature in Hoi An in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 81.8°F. The highest and lowest sea temperatures during the month were 84.6°F and 78.1°F.
Sunny, partly cloudy and cloudy days
Mostly all days in May are partly cloudy but sunny or cloudy days are also possible.
Precipitation total in May, in.
Precipitation total value in Hoi An in May is 2.7 in.
Wind speed in May, mph
The average wind speed value in May is 6.6 mph
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: 7.7.
Best time for vacation in Hoi An
Hoi An on a weather map
Places in Vietnam:
Name
°F
24 Hours Forecast
Hoi An
Local time: 10:23
June 05, friday
1200
95°F
NE
3 mph
3 mph
1500
88°F
SW
7 mph
7 mph
1800
86°F
NW
6 mph
6 mph
2100
81°F
N
6 mph
6 mph
June 06, saturday
0000
81°F
NE
7 mph
7 mph
0300
79°F
NE
7 mph
7 mph
0600
81°F
NE
8 mph
8 mph
0900
91°F
NE
11 mph
11 mph
