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Weather & Climate in Soem Ngam, Thailand
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Soem Ngam has a warm climate with an average annual temperature of 79°F (26°C). Winters average 68°F in January while summers reach 81°F in July / relatively mild seasonal variation. The area gets 337 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 56.5 inches (wetter than the 38-inch national average). The city sits at an elevation of 814 feet.
Temperature
68°F Jan (20°C)
81°F Jul (27°C)
| Annual Average | 78.6°F |
| 46% above US avg | |
| January Average | 68°F (20°C) |
| July Average | 81°F (27°C) |
| Sunny Days | 337 days/yr |
Geography
| Elevation | 814 ft (248 m) |
| Area | 8.6 sq mi (22.2 km²) |
| Population Density | 0/sq mi |
| Coordinates | 18.0651°N, 99.2454°W |
| Timezone | Asia/Bangkok |
Precipitation & Snow
Air Quality
Earthquake History
7 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.7.
| Dec 9, 1995 | 9 km ENE of Rong Kwang, Thailand | M4.7 | 127 km | 10 km |
| Feb 20, 2019 | 26 km SW of Mae Chai, Thailand | M4.6 | 132 km | 10 km |
| Oct 10, 2013 | 30 km N of Chiang Mai, Thailand | M4.2 | 115 km | 35 km |
| Jun 2, 2025 | 43 km NNE of Chiang Mai, Thailand | M4.2 | 120 km | 10 km |
| Sep 1, 1990 | 58 km W of Mae Chai, Thailand | M3.7 | 136 km | 33 km |
| Jul 1, 2008 | 48 km W of Mae Chai, Thailand | M3.7 | 136 km | 10 km |
| May 7, 1994 | 13 km SSE of Mae Tha, Thailand | M3.6 | 32 km | 33 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 68°F (20°C) | 0.1 in | Coldest, Driest |
| February | 76°F (24°C) | 0.3 in | |
| March | 82°F (28°C) | 0.7 in | |
| April | 85°F (30°C) | 2.2 in | Warmest |
| May | 83°F (29°C) | 6.3 in | |
| June | 82°F (28°C) | 4.3 in | |
| July | 81°F (27°C) | 4.3 in | |
| August | 80°F (27°C) | 6.3 in | |
| September | 80°F (27°C) | 7.5 in | Wettest |
| October | 79°F (26°C) | 5.1 in | |
| November | 75°F (24°C) | 1.6 in | |
| December | 71°F (21°C) | 0.3 in |
Soem Ngam has a seasonal temperature swing of 18°F / from 68°F in January to 85°F in April. Total annual precipitation is 39.0 inches, with September being the wettest month (7.5") and January the driest (0.1").