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Weather & Climate in Chengalpattu, India
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Chengalpattu has a warm climate with an average annual temperature of 83°F (28°C). Winters average 76°F in January while summers reach 87°F in July / relatively mild seasonal variation. The area gets 252 sunny days per year, above the national average. Annual precipitation totals 46.1 inches (wetter than the 38-inch national average). The city sits at an elevation of 200 feet.
Temperature
76°F Jan (24°C)
87°F Jul (30°C)
| Annual Average | 83.2°F |
| 54% above US avg | |
| January Average | 76°F (24°C) |
| July Average | 87°F (30°C) |
| Sunny Days | 252 days/yr |
Geography
| Elevation | 200 ft (61 m) |
| Area | 248.1 sq mi (642.4 km²) |
| Population Density | 265/sq mi |
| Coordinates | 12.6918°N, 79.9766°W |
| Timezone | Asia/Kolkata |
Precipitation & Snow
Air Quality
Earthquake History
1 earthquake (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.2.
| Sep 25, 2001 | 39 km SE of Marakkanam, India | M5.2 | 86 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
13 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 5.
| Year | Name | Category | Max Wind | Closest |
| 2023 | Michaung | Category 1 | 63 mph | 193 km |
| 2020 | Nivar | Category 1 | 75 mph | 120 km |
| 2018 | Gaja | Category 1 | 81 mph | 235 km |
| 2016 | Vardah | Category 2 | 81 mph | 46 km |
| 2011 | Thane | Category 2 | 86 mph | 105 km |
| 2010 | Laila | Category 1 | 63 mph | 193 km |
| 2000 | Unnamed | Category 1 | 117 mph | 121 km |
| 1996 | Unnamed | Category 1 | 75 mph | 282 km |
| 1993 | Unnamed | Category 1 | 104 mph | 161 km |
| 1990 | Unnamed | Category 4 | 146 mph | 189 km |
| 1989 | Gay | Category 5 | 132 mph | 237 km |
| 1984 | Unnamed | Category 2 | 132 mph | 68 km |
| 1984 | Unnamed | Category 1 | 132 mph | 152 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 76°F (24°C) | 0.6 in | Coldest |
| February | 79°F (26°C) | 0.3 in | |
| March | 83°F (28°C) | 0.2 in | Driest |
| April | 87°F (31°C) | 0.6 in | |
| May | 90°F (32°C) | 1.9 in | Warmest |
| June | 89°F (32°C) | 2.4 in | |
| July | 87°F (30°C) | 4.3 in | |
| August | 86°F (30°C) | 6.7 in | |
| September | 85°F (29°C) | 5.3 in | |
| October | 82°F (28°C) | 9.1 in | |
| November | 79°F (26°C) | 10.2 in | Wettest |
| December | 76°F (25°C) | 4.6 in |
Chengalpattu has a seasonal temperature swing of 14°F / from 76°F in January to 90°F in May. Total annual precipitation is 46.1 inches, with November being the wettest month (10.2") and March the driest (0.2").