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Weather & Climate in Rui’an, China
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Rui’an enjoys a temperate climate with an average annual temperature of 64°F (18°C). Winters average 46°F in January while summers reach 82°F in July. The area gets 230 sunny days per year, above the national average. Annual precipitation totals 58.3 inches (wetter than the 38-inch national average). The city sits at an elevation of 13 feet.
Temperature
46°F Jan (8°C)
82°F Jul (28°C)
| Annual Average | 64.0°F |
| 19% above US avg | |
| January Average | 46°F (8°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 230 days/yr |
Geography
| Elevation | 13 ft (4 m) |
| Area | 521.2 sq mi (1,349.9 km²) |
| Population Density | 1,779/sq mi |
| Coordinates | 27.7761°N, 120.6586°W |
| Timezone | Asia/Shanghai |
Precipitation & Snow
Air Quality
Earthquake History
1 earthquake (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.3.
| Feb 8, 2006 | 26 km WNW of Kunyang, China | M4.3 | 34 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
49 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 5.
| Year | Name | Category | Max Wind | Closest |
| 2024 | Gaemi | Category 1 | 69 mph | 300 km |
| 2022 | Muifa | Category 2 | 92 mph | 239 km |
| 2021 | Chanthu | Category 3 | 104 mph | 241 km |
| 2020 | Hagupit | Category 1 | 81 mph | 44 km |
| 2019 | Lekima | Category 4 | 104 mph | 93 km |
| 2019 | Mitag | Category 2 | 86 mph | 154 km |
| 2018 | Maria | Category 2 | 98 mph | 163 km |
| 2016 | Malakas | Category 3 | 104 mph | 272 km |
| 2015 | Chan-hom | Category 3 | 98 mph | 229 km |
| 2013 | Soulik | Category 1 | 63 mph | 219 km |
| 2013 | Trami | Category 1 | 69 mph | 213 km |
| 2013 | Fitow | Category 1 | 81 mph | 93 km |
| 2012 | Haikui | Category 1 | 75 mph | 204 km |
| 2008 | Jangmi | Category 1 | — | 292 km |
| 2008 | Sinlaku | Category 1 | 69 mph | 210 km |
| 2007 | Wipha | Category 4 | 115 mph | 62 km |
| 2007 | Krosa | Category 2 | 75 mph | 209 km |
| 2006 | Saomai | Category 5 | 121 mph | 75 km |
| 2005 | Khanun | Category 4 | 98 mph | 135 km |
| 2005 | Matsa | Category 2 | 92 mph | 96 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 46°F (8°C) | 2.2 in | Coldest |
| February | 47°F (8°C) | 3.0 in | |
| March | 52°F (11°C) | 4.7 in | |
| April | 61°F (16°C) | 5.4 in | |
| May | 69°F (20°C) | 7.5 in | |
| June | 75°F (24°C) | 8.4 in | Wettest |
| July | 82°F (28°C) | 4.4 in | Warmest |
| August | 82°F (28°C) | 7.7 in | |
| September | 76°F (25°C) | 7.3 in | |
| October | 68°F (20°C) | 3.5 in | |
| November | 59°F (15°C) | 2.8 in | |
| December | 50°F (10°C) | 1.7 in | Driest |
Rui’an has a seasonal temperature swing of 36°F / from 46°F in January to 82°F in July. Total annual precipitation is 58.3 inches, with June being the wettest month (8.4") and December the driest (1.7").