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Weather & Climate in Sam Ngam, Thailand
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Sam Ngam has a warm climate with an average annual temperature of 82°F (28°C). Winters average 74°F in January while summers reach 83°F in July / relatively mild seasonal variation. The area gets 328 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 60.2 inches (wetter than the 38-inch national average). The city sits at an elevation of 144 feet.
Temperature
74°F Jan (23°C)
83°F Jul (29°C)
| Annual Average | 82.1°F |
| 52% above US avg | |
| January Average | 74°F (23°C) |
| July Average | 83°F (29°C) |
| Sunny Days | 328 days/yr |
Geography
| Elevation | 144 ft (44 m) |
| Area | 305.2 sq mi (790.6 km²) |
| Population Density | 0/sq mi |
| Coordinates | 16.5065°N, 100.2050°W |
| Timezone | Asia/Bangkok |
Precipitation & Snow
Air Quality
Earthquake History
1 earthquake (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.1.
| Jun 28, 2023 | 24 km NNE of Khanu Woralaksaburi, Thailand | M4.1 | 40 km | 11 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 74°F (23°C) | 0.2 in | Coldest, Driest |
| February | 81°F (27°C) | 0.5 in | |
| March | 85°F (29°C) | 1.2 in | |
| April | 88°F (31°C) | 2.4 in | Warmest |
| May | 86°F (30°C) | 6.7 in | |
| June | 84°F (29°C) | 5.5 in | |
| July | 83°F (29°C) | 5.7 in | |
| August | 83°F (28°C) | 8.1 in | |
| September | 83°F (28°C) | 8.7 in | Wettest |
| October | 82°F (28°C) | 5.4 in | |
| November | 79°F (26°C) | 1.1 in | |
| December | 76°F (24°C) | 0.2 in |
Sam Ngam has a seasonal temperature swing of 14°F / from 74°F in January to 88°F in April. Total annual precipitation is 45.7 inches, with September being the wettest month (8.7") and January the driest (0.2").