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Weather & Climate in Mae Hong Son, Thailand
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Mae Hong Son has a warm climate with an average annual temperature of 78°F (26°C). Winters average 69°F in January while summers reach 80°F in July / relatively mild seasonal variation. The area gets 250 sunny days per year, above the national average. Annual precipitation totals 47.6 inches (wetter than the 38-inch national average). The city sits at an elevation of 846 feet.
Temperature
69°F Jan (21°C)
80°F Jul (27°C)
| Annual Average | 78.0°F |
| 44% above US avg | |
| January Average | 69°F (21°C) |
| July Average | 80°F (27°C) |
| Sunny Days | 250 days/yr |
Geography
| Elevation | 846 ft (258 m) |
| Area | 974.2 sq mi (2,523.2 km²) |
| Population Density | 9/sq mi |
| Coordinates | 19.3003°N, 97.9685°W |
| Timezone | Asia/Bangkok |
Precipitation & Snow
Air Quality
Earthquake History
18 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.6.
| Apr 10, 2013 | Myanmar-Thailand border region | M4.6 | 77 km | 10 km |
| Jul 7, 2022 | 40 km ENE of Pyu, Myanmar | M4.6 | 145 km | 10 km |
| Dec 21, 1995 | 52 km SSW of Fang, Thailand | M4.5 | 117 km | 41 km |
| Apr 30, 2021 | 39 km SSW of Loikaw, Myanmar | M4.4 | 91 km | 15 km |
| Aug 24, 1996 | 99 km ESE of Taunggyi, Myanmar | M4.4 | 132 km | 33 km |
| Apr 24, 1991 | 102 km ESE of Taunggyi, Myanmar | M4.4 | 133 km | 33 km |
| Jan 24, 2006 | 121 km ESE of Taunggyi, Myanmar | M4.4 | 141 km | 10 km |
| Dec 12, 1990 | 78 km N of Pai, Thailand | M4.3 | 99 km | 33 km |
| Jan 7, 1990 | 54 km WNW of Fang, Thailand | M4.3 | 124 km | 50 km |
| Mar 19, 2016 | Myanmar | M4.3 | 88 km | 27 km |
| Oct 10, 2013 | 30 km N of Chiang Mai, Thailand | M4.2 | 111 km | 35 km |
| Jun 2, 2025 | 43 km NNE of Chiang Mai, Thailand | M4.2 | 126 km | 10 km |
| Apr 9, 1996 | 65 km NW of Fang, Thailand | M4.0 | 135 km | 33 km |
| May 29, 1995 | 47 km SSW of Mae Hong Son, Thailand | M4.0 | 48 km | 33 km |
| May 23, 1998 | 34 km E of Pai, Thailand | M4.0 | 84 km | 33 km |
| Nov 5, 1991 | 29 km S of Mae Hong Son, Thailand | M3.9 | 30 km | 10 km |
| Sep 1, 1990 | 58 km W of Mae Chai, Thailand | M3.7 | 135 km | 33 km |
| Jul 1, 2008 | 48 km W of Mae Chai, Thailand | M3.7 | 145 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
2 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 1.
| Year | Name | Category | Max Wind | Closest |
| 2006 | Mala | Category 1 | — | 275 km |
| 1982 | Unnamed | Category 1 | 132 mph | 289 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 69°F (21°C) | 0.2 in | Coldest |
| February | 73°F (23°C) | 0.2 in | Driest |
| March | 80°F (27°C) | 0.7 in | |
| April | 86°F (30°C) | 2.1 in | Warmest |
| May | 84°F (29°C) | 6.7 in | |
| June | 81°F (27°C) | 6.3 in | |
| July | 80°F (27°C) | 8.0 in | |
| August | 80°F (27°C) | 9.1 in | Wettest |
| September | 80°F (26°C) | 7.5 in | |
| October | 79°F (26°C) | 4.6 in | |
| November | 75°F (24°C) | 1.7 in | |
| December | 70°F (21°C) | 0.6 in |
Mae Hong Son has a seasonal temperature swing of 16°F / from 69°F in January to 86°F in April. Total annual precipitation is 47.6 inches, with August being the wettest month (9.1") and February the driest (0.2").