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Weather & Climate in Si Racha, Thailand
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Si Racha has a warm climate with an average annual temperature of 83°F (28°C). Winters average 80°F in January while summers reach 84°F in July / relatively mild seasonal variation. The area gets 245 sunny days per year, above the national average. Annual precipitation totals 50.0 inches (wetter than the 38-inch national average). The city sits at an elevation of 43 feet.
Temperature
80°F Jan (27°C)
84°F Jul (29°C)
| Annual Average | 82.5°F |
| 53% above US avg | |
| January Average | 80°F (27°C) |
| July Average | 84°F (29°C) |
| Sunny Days | 245 days/yr |
Geography
| Elevation | 43 ft (13 m) |
| Area | 1.6 sq mi (4.1 km²) |
| Population Density | 113,959/sq mi |
| Coordinates | 13.1737°N, 100.9311°W |
| Timezone | Asia/Bangkok |
Precipitation & Snow
Air Quality
Hurricane History
1 hurricane (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 1.
| Year | Name | Category | Max Wind | Closest |
| 1997 | Linda | Category 1 | 46 mph | 242 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 80°F (27°C) | 0.5 in | |
| February | 82°F (28°C) | 0.9 in | |
| March | 84°F (29°C) | 1.8 in | |
| April | 86°F (30°C) | 3.1 in | Warmest |
| May | 85°F (29°C) | 6.7 in | |
| June | 84°F (29°C) | 4.7 in | |
| July | 84°F (29°C) | 4.5 in | |
| August | 83°F (28°C) | 5.4 in | |
| September | 82°F (28°C) | 10.4 in | Wettest |
| October | 82°F (28°C) | 9.4 in | |
| November | 80°F (27°C) | 2.3 in | |
| December | 79°F (26°C) | 0.4 in | Coldest, Driest |
Si Racha has a seasonal temperature swing of 7°F / from 79°F in December to 86°F in April. Total annual precipitation is 50.0 inches, with September being the wettest month (10.4") and December the driest (0.4").