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Weather & Climate in Mengzi, China
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Mengzi enjoys a temperate climate with an average annual temperature of 63°F (17°C). Winters average 51°F in January while summers reach 70°F in July / relatively mild seasonal variation. The area gets 251 sunny days per year, above the national average. Annual precipitation totals 46.7 inches (wetter than the 38-inch national average). The city sits at an elevation of 4,285 feet.
Temperature
51°F Jan (11°C)
70°F Jul (21°C)
| Annual Average | 62.7°F |
| 16% above US avg | |
| January Average | 51°F (11°C) |
| July Average | 70°F (21°C) |
| Sunny Days | 251 days/yr |
Geography
| Elevation | 4,285 ft (1,306 m) |
| Area | 966.4 sq mi (2,503.0 km²) |
| Population Density | 616/sq mi |
| Coordinates | 23.3678°N, 103.3821°W |
| Timezone | Asia/Shanghai |
Precipitation & Snow
Air Quality
Earthquake History
48 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.2.
| Apr 24, 1995 | 73 km SSW of Gejiu, China | M5.2 | 86 km | 33 km |
| Jan 26, 2000 | 28 km S of Zhongshu, China | M4.9 | 108 km | 33 km |
| Aug 13, 2005 | 32 km NNW of Wenshan City, China | M4.8 | 79 km | 10 km |
| Nov 24, 1999 | 36 km SE of Haikou, China | M4.8 | 145 km | 33 km |
| Apr 13, 2015 | 47 km NW of Kaiyuan, China | M4.7 | 82 km | 10 km |
| Apr 19, 2014 | 12 km SSE of Zhongshu, China | M4.6 | 123 km | 36 km |
| Dec 29, 1990 | 48 km WNW of Kaiyuan, China | M4.6 | 80 km | 33 km |
| Jul 14, 2001 | 16 km NE of Yuxi, China | M4.6 | 141 km | 33 km |
| May 4, 2016 | 20 km ESE of Gejiu, China | M4.5 | 8 km | 16 km |
| Apr 30, 2001 | 97 km WSW of Gejiu, China | M4.5 | 120 km | 33 km |
| Apr 12, 2002 | 94 km NE of Phôngsali, Laos | M4.5 | 135 km | 10 km |
| Jun 16, 2020 | 100 km NNE of Phôngsali, Laos | M4.5 | 129 km | 10 km |
| May 4, 2016 | 19 km SE of Gejiu, China | M4.5 | 16 km | 15 km |
| Feb 24, 2016 | 55 km WSW of Sa Pa, Vietnam | M4.5 | 130 km | 10 km |
| Jun 9, 2007 | 33 km NNW of Kaiyuan, China | M4.5 | 70 km | 10 km |
| May 27, 2002 | 11 km NNE of Kaiyuan, China | M4.5 | 48 km | 10 km |
| Mar 5, 1991 | 106 km WSW of Gejiu, China | M4.4 | 128 km | 33 km |
| Oct 4, 1992 | 49 km WNW of Gejiu, China | M4.4 | 72 km | 10 km |
| Apr 2, 2001 | 74 km WSW of Sa Pa, Vietnam | M4.4 | 140 km | 33 km |
| Aug 22, 2004 | 62 km ESE of Zhongshu, China | M4.3 | 134 km | 11 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 51°F (11°C) | 0.4 in | Coldest, Driest |
| February | 54°F (12°C) | 0.9 in | |
| March | 61°F (16°C) | 1.3 in | |
| April | 66°F (19°C) | 2.4 in | |
| May | 70°F (21°C) | 5.0 in | |
| June | 71°F (22°C) | 7.8 in | Warmest |
| July | 70°F (21°C) | 9.8 in | Wettest |
| August | 70°F (21°C) | 9.3 in | |
| September | 67°F (20°C) | 4.8 in | |
| October | 63°F (17°C) | 3.0 in | |
| November | 57°F (14°C) | 1.6 in | |
| December | 52°F (11°C) | 0.4 in |
Mengzi has a seasonal temperature swing of 20°F / from 51°F in January to 71°F in June. Total annual precipitation is 46.7 inches, with July being the wettest month (9.8") and January the driest (0.4").