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Weather & Climate in Cha-uat, Thailand
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Cha-uat has a warm climate with an average annual temperature of 81°F (27°C). Winters average 78°F in January while summers reach 82°F in July / relatively mild seasonal variation. The area gets 327 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 78.3 inches (wetter than the 38-inch national average). The city sits at an elevation of 36 feet.
Temperature
78°F Jan (25°C)
82°F Jul (28°C)
| Annual Average | 81.3°F |
| 51% above US avg | |
| January Average | 78°F (25°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 327 days/yr |
Geography
| Elevation | 36 ft (11 m) |
| Area | 315.3 sq mi (816.5 km²) |
| Population Density | 0/sq mi |
| Coordinates | 7.9677°N, 99.9999°W |
| Timezone | Asia/Bangkok |
Precipitation & Snow
Air Quality
Earthquake History
2 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.2.
| May 5, 2015 | 19 km SE of Ban Phru Nai, Thailand | M4.2 | 141 km | 10 km |
| Mar 24, 2015 | 28 km SE of Ban Phru Nai, Thailand | M3.4 | 141 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
1 hurricane (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 3.
| Year | Name | Category | Max Wind | Closest |
| 1989 | Gay | Category 3 | 75 mph | 222 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 78°F (25°C) | 3.0 in | Coldest |
| February | 81°F (27°C) | 1.6 in | Driest |
| March | 82°F (28°C) | 3.0 in | |
| April | 83°F (29°C) | 4.0 in | Warmest |
| May | 83°F (28°C) | 5.9 in | |
| June | 83°F (28°C) | 4.3 in | |
| July | 82°F (28°C) | 5.1 in | |
| August | 82°F (28°C) | 5.5 in | |
| September | 81°F (27°C) | 6.7 in | |
| October | 80°F (27°C) | 10.1 in | |
| November | 80°F (26°C) | 17.6 in | Wettest |
| December | 79°F (26°C) | 11.8 in |
Cha-uat has a seasonal temperature swing of 6°F / from 78°F in January to 83°F in April. Total annual precipitation is 78.6 inches, with November being the wettest month (17.6") and February the driest (1.6").