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Weather & Climate in Jiayi, China
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Jiayi has a warm climate with an average annual temperature of 72°F (22°C). Winters average 57°F in January while summers reach 82°F in July. The area gets 281 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 75.6 inches (wetter than the 38-inch national average). The city sits at an elevation of 1,115 feet.
Temperature
57°F Jan (14°C)
82°F Jul (28°C)
| Annual Average | 71.6°F |
| 33% above US avg | |
| January Average | 57°F (14°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 281 days/yr |
Geography
| Elevation | 1,115 ft (340 m) |
| Area | 1,118.4 sq mi (2,896.6 km²) |
| Population Density | 0/sq mi |
| Coordinates | 22.7070°N, 111.1502°W |
| Timezone | Asia/Shanghai |
Precipitation & Snow
Air Quality
Earthquake History
1 earthquake (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.4.
| Sep 16, 2004 | 44 km WSW of Yangjiang, China | M4.4 | 113 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
50 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2025 | Ragasa | Category 3 | — | 101 km |
| 2025 | Matmo | Category 2 | — | 215 km |
| 2025 | Tapah | Category 1 | — | 180 km |
| 2025 | Wipha | Category 1 | — | 234 km |
| 2023 | Saola | Category 3 | 81 mph | 156 km |
| 2023 | Koinu | Category 2 | 75 mph | 276 km |
| 2023 | Talim | Category 1 | 69 mph | 170 km |
| 2022 | Chaba | Category 1 | 81 mph | 135 km |
| 2021 | Cempaka | Category 1 | 81 mph | 121 km |
| 2018 | Mangkhut | Category 1 | 86 mph | 72 km |
| 2017 | Hato | Category 3 | 86 mph | 80 km |
| 2017 | Khanun | Category 2 | 81 mph | 212 km |
| 2015 | Mujigae | Category 4 | 98 mph | 179 km |
| 2014 | Rammasun | Category 4 | 104 mph | 262 km |
| 2014 | Kalmaegi | Category 1 | 86 mph | 282 km |
| 2013 | Utor | Category 2 | 81 mph | 59 km |
| 2013 | Rumbia | Category 1 | — | 290 km |
| 2012 | Vicente | Category 4 | 92 mph | 26 km |
| 2012 | Kai-tak | Category 1 | 75 mph | 206 km |
| 2010 | Chanthu | Category 1 | 81 mph | 160 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).