UTC Offset
UTC+07:00
Si Racha, Thailand Snapshot 2026
Where is Si Racha?
Si Racha, Thailand
- Continent
- Asia
- Country
- Thailand
- City
- Si Racha
- Population
- 178.9K
- Coordinates
- 13.17°, 100.93°
Si Racha is a city in Thailand with a population of approximately 178.9K. Average temperatures range from 23°C (73°F) in December to 32°C (90°F) in April. The best time to visit is December.
Time in Si Racha right now
Open full time & time zone page 08:16 16
Thursday, June 18, 2026
IANA time zone
Asia/Bangkok
Daylight saving
No DST
Next DST change
—
Live weather in Si Racha
Daylight in Si Racha today
View full sunrise & sunset page Sunrise
Sunset
Day length
12h 54m
Climate normals for Si Racha
Long-term monthly averages based on historical data.
January
Good 
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 | 30°C / 23°C | 33°C / 26°C | 5days (23 mm) Good | 10.2h Excellent | 69% Muggy | 7.3 Very High | Good | View Details |
| February | 31°C / 24°C | 35°C / 27°C | 5days (34 mm) Good | 10.7h Excellent | 73% Muggy | 7.9 Very High | Fair | View Details |
| March | 32°C / 26°C | 37°C / 31°C | 11days (56 mm) Wet | 10.8h Excellent | 77% Humid | 8.7 Very High | Poor | View Details |
| April | 32°C / 27°C | 39°C / 32°C | 13days (92 mm) Wet | 10.8h Excellent | 76% Humid | 8.9 Very High | Poor | View Details |
| May | 32°C / 27°C | 38°C / 33°C | 20days (162 mm) Wet | 9.9h Good | 79% Humid | 7.7 Very High | Wet | View Details |
| June | 31°C / 27°C | 36°C / 32°C | 20days (108 mm) Wet | 9.8h Good | 78% Humid | 7.5 Very High | Wet | View Details |
| July | 30°C / 27°C | 35°C / 32°C | 25days (164 mm) Wet | 8.6h Good | 80% Humid | 7.1 Very High | Wet | View Details |
| August | 30°C / 26°C | 36°C / 31°C | 22days (135 mm) Wet | 8.8h Good | 80% Humid | 8.1 Very High | Wet | View Details |
| September | 30°C / 26°C | 36°C / 31°C | 26days (238 mm) Wet | 8.2h Good | 83% Humid | 7.3 Very High | Wet | View Details |
| October | 30°C / 25°C | 36°C / 30°C | 22days (210 mm) Wet | 8.8h Good | 82% Humid | 7.7 Very High | Wet | View Details |
| November | 30°C / 24°C | 34°C / 27°C | 11days (70 mm) Wet | 9.4h Good | 75% Muggy | 7 High | Fair | View Details |
| December best | 30°C / 23°C | 32°C / 24°C | 3days (18 mm) Excellent | 9.8h Good | 67% Muggy | 7 High | Excellent | View Details |
Monthly Temperatures
HighLow
Line chart showing monthly temperatures. Jan: 30°C / 23°C . Feb: 31°C / 24°C . Mar: 32°C / 26°C . Apr: 32°C / 27°C . May: 32°C / 27°C . Jun: 31°C / 27°C . Jul: 30°C / 27°C . Aug: 30°C / 26°C . Sep: 30°C / 26°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: 23 mm. Feb: 34 mm. Mar: 56 mm. Apr: 92 mm. May: 162 mm. Jun: 108 mm. Jul: 164 mm. Aug: 135 mm. Sep: 238 mm. Oct: 210 mm. Nov: 70 mm. Dec: 18 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 69%. Feb: 73%. Mar: 77%. Apr: 76%. May: 79%. Jun: 78%. Jul: 80%. Aug: 80%. Sep: 83%. Oct: 82%. Nov: 75%. Dec: 67%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 14 km/h . Feb: 15 km/h . Mar: 14 km/h . Apr: 14 km/h . May: 13 km/h . Jun: 16 km/h . Jul: 16 km/h . Aug: 16 km/h . Sep: 13 km/h . Oct: 12 km/h . Nov: 14 km/h . Dec: 16 km/h .
Sea Temperature
Sea Temperatureswim
Line chart showing monthly sea temperature. Jan: 27°C . Feb: 28°C . Mar: 29°C . Apr: 31°C . May: 32°C . Jun: 31°C . Jul: 30°C . Aug: 30°C . Sep: 30°C . Oct: 30°C . Nov: 29°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 8. Jul: UV 7. Aug: UV 8. Sep: UV 7. Oct: UV 8. Nov: UV 7. Dec: UV 7.
Frequently Asked Questions
Si Racha has a population of approximately 178.9K.
The best months to visit Si Racha are December, when temperatures are pleasant and rainfall is lower.
Si Racha receives approximately 1310mm of rainfall annually across 183 rainy days.
Si Racha is located in Thailand, in the Asia region.