UTC Offset
UTC+07:00
Rayong, Thailand Snapshot 2026
Where is Rayong?
Rayong, Thailand
- Continent
- Asia
- Country
- Thailand
- City
- Rayong
- Population
- 106.7K
- Coordinates
- 12.68°, 101.26°
Rayong is a city in Thailand with a population of approximately 106.7K. Average temperatures range from 23°C (73°F) in January to 32°C (90°F) in April. The best time to visit is December.
Time in Rayong right now
Open full time & time zone page 04:50 50
Wednesday, July 1, 2026
IANA time zone
Asia/Bangkok
Daylight saving
No DST
Next DST change
—
Live weather in Rayong
Daylight in Rayong today
View full sunrise & sunset page Sunrise
Sunset
Day length
12h 52m
Climate normals for Rayong
Long-term monthly averages based on historical data.
January
Fair 
February
Fair March
Poor April
Poor May
Wet June
Wet July
Wet August
Wet September
Wet October
Wet November
Fair December best
Excellent | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 31°C / 23°C | 34°C / 25°C | 6days (31 mm) Good | 10.3h Excellent | 69% Muggy | 7.4 Very High | Fair | View Details |
| February | 31°C / 24°C | 35°C / 27°C | 7days (36 mm) Good | 10.8h Excellent | 72% Muggy | 8 Very High | Fair | View Details |
| March | 32°C / 26°C | 37°C / 30°C | 14days (74 mm) Wet | 10.8h Excellent | 77% Humid | 8.7 Very High | Poor | View Details |
| April | 32°C / 27°C | 38°C / 32°C | 16days (115 mm) Wet | 10.7h Excellent | 78% Humid | 8.9 Very High | Poor | View Details |
| May | 31°C / 27°C | 38°C / 32°C | 22days (226 mm) Wet | 9.4h Good | 82% Humid | 7.7 Very High | Wet | View Details |
| June | 31°C / 27°C | 36°C / 31°C | 23days (188 mm) Wet | 9.3h Good | 81% Humid | 7.3 Very High | Wet | View Details |
| July | 30°C / 26°C | 35°C / 31°C | 26days (229 mm) Wet | 8.3h Good | 82% Humid | 6.9 High | Wet | View Details |
| August | 30°C / 26°C | 36°C / 31°C | 25days (203 mm) Wet | 8.8h Good | 82% Humid | 8 Very High | Wet | View Details |
| September | 30°C / 25°C | 35°C / 30°C | 27days (301 mm) Wet | 7.6h Good | 85% Humid | 6.9 High | Wet | View Details |
| October | 30°C / 25°C | 36°C / 29°C | 25days (282 mm) Wet | 8.4h Good | 84% Humid | 7.6 Very High | Wet | View Details |
| November | 30°C / 24°C | 35°C / 27°C | 12days (86 mm) Wet | 9.3h Good | 76% Humid | 7.1 Very High | Fair | View Details |
| December best | 30°C / 23°C | 33°C / 24°C | 4days (23 mm) Good | 9.9h Good | 66% Muggy | 7 High | Excellent | View Details |
Monthly Temperatures
High Low
Line chart showing monthly temperatures. Jan: 31°C / 23°C . Feb: 31°C / 24°C . Mar: 32°C / 26°C . Apr: 32°C / 27°C . May: 31°C / 27°C . Jun: 31°C / 27°C . Jul: 30°C / 26°C . Aug: 30°C / 26°C . Sep: 30°C / 25°C . Oct: 30°C / 25°C . Nov: 30°C / 24°C . Dec: 30°C / 23°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 31 mm. Feb: 36 mm. Mar: 74 mm. Apr: 115 mm. May: 226 mm. Jun: 188 mm. Jul: 229 mm. Aug: 203 mm. Sep: 301 mm. Oct: 282 mm. Nov: 86 mm. Dec: 23 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 69%. Feb: 72%. Mar: 77%. Apr: 78%. May: 82%. Jun: 81%. Jul: 82%. Aug: 82%. Sep: 85%. Oct: 84%. Nov: 76%. Dec: 66%.
Monthly Wind Speed
Wind Speed Gusts
Bar chart showing monthly wind speed. Jan: 14 km/h . Feb: 14 km/h . Mar: 14 km/h . Apr: 13 km/h . May: 13 km/h . Jun: 15 km/h . Jul: 16 km/h . Aug: 16 km/h . Sep: 13 km/h . Oct: 11 km/h . Nov: 14 km/h . Dec: 15 km/h .
Sea Temperature
Sea Temperature swim
Line chart showing monthly sea temperature. Jan: 28°C . Feb: 29°C . Mar: 30°C . Apr: 32°C . May: 32°C . Jun: 31°C . Jul: 30°C . Aug: 30°C . Sep: 30°C . Oct: 31°C . Nov: 30°C . Dec: 28°C .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 7. Feb: UV 8. Mar: UV 9. Apr: UV 9. May: UV 8. Jun: UV 7. Jul: UV 7. Aug: UV 8. Sep: UV 7. Oct: UV 8. Nov: UV 7. Dec: UV 7.
Frequently Asked Questions
Rayong has a population of approximately 106.7K.
The best months to visit Rayong are December, when temperatures are pleasant and rainfall is lower.
Rayong receives approximately 1794mm of rainfall annually across 207 rainy days.
Rayong is located in Thailand, in the Asia region.