Weather in Rayong: May
| Average day temperature: | 90.6°F | |
| Average night temperature: | 84.0°F | |
| Sea water temperature: | 87.8°F | |
| Number of sunny days: | 13 days | |
| Day length: | 12.6 - 12.8 hours | |
| Number of rainy days: | 9 days | |
| Precipitation totals: | 5.3 in. | |
| more information | ||
14 days
forecast
forecast
| Rayong |
sea water
temperature
temperature
| Rayong |
Air temperature in May, °F
Show year:
2026
2025
2024
The highest day temperature during May of 2026 was 91°F. At the same time the lowest night temperature was 79°F. Daily and nightly averages during May were 89.1°F and 82.7°F.
Sea water temperature in Rayong in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 88.3°F. The highest and lowest sea temperatures during the month were 89.6°F and 87.6°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 Rayong in May is 5.5 in.
Wind speed in May, mph
The average wind speed value in May is 8.3 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: 6.6.
Best time for vacation in Rayong
Rayong on a weather map
Places in Thailand:
Name
°F
24 Hours Forecast
Rayong
Local time: 12:04
June 06, saturday
1500

88°F
NE
16 mph
16 mph
1800

84°F
NE
14 mph
14 mph
2100

82°F
NE
9 mph
9 mph
June 07, sunday
0000

82°F
NE
12 mph
12 mph
0300

82°F
NE
14 mph
14 mph
0600

82°F
NE
12 mph
12 mph
0900

86°F
NE
14 mph
14 mph
1200

88°F
NE
14 mph
14 mph


























