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Helie, China

Full City Profile

23 ft Elevation 7 meters
62°F Avg Temperature 17°C
Helie enjoys a temperate climate with an average annual temperature of 62°F (17°C). Winters average 40°F in January while summers reach 83°F in July. The area gets 250 sunny days per year. Annual precipitation totals 48.8 inches. The area receives 4.0 inches of snow annually.

Temperature

40°F Jan (5°C) 83°F Jul (28°C)
Annual Average62.1°F
15% above US avg
January Average40°F (5°C)
July Average83°F (28°C)
Sunny Days250 days/yr

Geography

Elevation23 ft (7 m)
Area1,786.7 sq mi (4,627.5 km²)
Population Density0/sq mi
Coordinates31.5214°N, 120.2896°W
TimezoneAsia/Shanghai

Precipitation & Snow

Annual Rainfall 48.8"
28% above US avg
Snowfall 4.0"
Wettest Month (Jun) 6.20"
Driest Month (Oct) 1.40"

Air Quality

Earthquake History

2 earthquakes (M2.5+) within 150 km since 1990. Strongest: M5.0. Most recent: M4.1 on Jul 8, 2024.

Feb 9, 1990 27 km E of Changshu City, China M5.0 72 km
Jul 8, 2024 19 km WNW of Taizhou, China M4.1 128 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

14 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 2. Most recent: Bebinca (2024).

Year Name Category Closest
2024 Bebinca Category 1 85 km
2022 Muifa Category 1 139 km
2021 Chanthu Category 1 292 km
2019 Lekima Category 1 227 km
2015 Chan-hom Category 1 270 km
2005 Khanun Category 1 114 km
2000 Jelawat Category 1 286 km
2000 Prapiroon Category 1 283 km
1997 Winnie Category 1 269 km
1994 Ellie Category 1 244 km
1990 Abe Category 1 103 km
1985 Mamie Category 1 130 km
1984 Ed Category 1 186 km
1981 Agnes Category 2 280 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

1 tsunami recorded within 500 km.

Year Location Cause Max Wave Deaths Distance
1930 JIANGSU PROVINCE Earthquake 113 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 40°F (5°C) 1.7 in Coldest
February 41°F (5°C) 2.2 in
March 48°F (9°C) 2.3 in
April 59°F (15°C) 3.0 in
May 68°F (20°C) 3.7 in
June 76°F (24°C) 6.2 in Wettest
July 83°F (28°C) 6.2 in Warmest
August 82°F (28°C) 4.9 in
September 74°F (23°C) 4.4 in
October 65°F (18°C) 1.4 in Driest
November 53°F (12°C) 1.6 in
December 43°F (6°C) 1.5 in

Helie has a seasonal temperature swing of 43°F / from 40°F in January to 83°F in July. Total annual precipitation is 39.1 inches, with June being the wettest month (6.2") and October the driest (1.4").

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