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Weather & Climate in Ruidian, China
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Ruidian experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 43°F in January while summers reach 64°F in July. The area gets 235 sunny days per year, above the national average. Annual precipitation totals 55.7 inches (wetter than the 38-inch national average). The city sits at an elevation of 5,758 feet.
Temperature
43°F Jan (6°C)
64°F Jul (18°C)
| Annual Average | 55.4°F |
| 3% above US avg | |
| January Average | 43°F (6°C) |
| July Average | 64°F (18°C) |
| Sunny Days | 235 days/yr |
Geography
| Elevation | 5,758 ft (1,755 m) |
| Area | 2,375.9 sq mi (6,153.5 km²) |
| Population Density | 12/sq mi |
| Coordinates | 25.5317°N, 98.4086°W |
| Timezone | Asia/Shanghai |
Precipitation & Snow
Air Quality
Earthquake History
126 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.1.
| Jan 11, 1994 | 25 km SW of Myitkyina, Myanmar | M6.1 | 126 km | 10 km |
| May 30, 2014 | 62 km SE of Myitkyina, Myanmar | M5.9 | 82 km | 10 km |
| May 23, 2014 | 63 km SE of Myitkyina, Myanmar | M5.8 | 84 km | 8 km |
| Apr 12, 2001 | 147 km SW of Dali, China | M5.6 | 107 km | 10 km |
| Mar 10, 2011 | 90 km NE of Bhamo, Myanmar | M5.5 | 100 km | 10 km |
| Oct 6, 2000 | 60 km ENE of Bhamo, Myanmar | M5.4 | 142 km | 33 km |
| May 2, 2023 | 26 km WSW of Bonan, China | M5.3 | 88 km | 10 km |
| Mar 3, 2013 | 59 km NW of Dali, China | M5.2 | 149 km | 8 km |
| Mar 21, 2008 | 42 km NE of Bhamo, Myanmar | M5.1 | 143 km | 17 km |
| Apr 17, 2013 | 59 km NW of Dali, China | M5.1 | 145 km | 38 km |
| Aug 9, 2011 | 143 km ESE of Myitkyina, Myanmar | M5.1 | 74 km | 40 km |
| Sep 11, 2012 | 140 km SW of Dali, China | M5.0 | 131 km | 10 km |
| Jan 1, 2011 | 82 km ENE of Bhamo, Myanmar | M5.0 | 110 km | 21 km |
| Jun 20, 2011 | 137 km ESE of Myitkyina, Myanmar | M5.0 | 60 km | 39 km |
| May 17, 2016 | 88 km NW of Dali, China | M4.9 | 123 km | 54 km |
| Jun 12, 2021 | 68 km SE of Myitkyina, Myanmar | M4.9 | 83 km | 10 km |
| Jun 1, 2010 | 117 km SW of Dali, China | M4.9 | 113 km | 40 km |
| Apr 19, 2001 | 163 km SW of Dali, China | M4.8 | 102 km | 33 km |
| Feb 13, 1990 | 132 km WNW of Dali, China | M4.8 | 78 km | 33 km |
| May 17, 2016 | 84 km NW of Dali, China | M4.8 | 132 km | 51 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 1.
| Year | Name | Category | Max Wind | Closest |
| 1991 | Unnamed | Category 1 | - | 282 km |
Source: NOAA IBTrACS (Category 1+, 1980-2026).
Nearby Volcanoes
1 volcano within 200 km. Closest: Tengchong (35 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Tengchong | Pyroclastic cone(s) | 2,865 m (9,400 ft) | -5750 | 35 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 43°F (6°C) | 0.7 in | Coldest |
| February | 46°F (8°C) | 1.9 in | |
| March | 51°F (11°C) | 2.4 in | |
| April | 55°F (13°C) | 3.4 in | |
| May | 61°F (16°C) | 4.7 in | |
| June | 63°F (17°C) | 9.0 in | |
| July | 64°F (18°C) | 10.0 in | Wettest |
| August | 64°F (18°C) | 9.2 in | Warmest |
| September | 63°F (17°C) | 6.8 in | |
| October | 58°F (15°C) | 5.1 in | |
| November | 51°F (10°C) | 1.9 in | |
| December | 45°F (7°C) | 0.7 in | Driest |
Ruidian has a seasonal temperature swing of 21°F / from 43°F in January to 64°F in August. Total annual precipitation is 55.7 inches, with July being the wettest month (10.0") and December the driest (0.7").