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Weather & Climate in Port Blair, India
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Port Blair has a warm climate with an average annual temperature of 80°F (27°C). Winters average 78°F in January while summers reach 80°F in July / relatively mild seasonal variation. The area gets 161 sunny days per year, below the national average of 205. Annual precipitation totals 100.8 inches (wetter than the 38-inch national average). The city sits at an elevation of 118 feet.
Temperature
78°F Jan (26°C)
80°F Jul (27°C)
| Annual Average | 79.9°F |
| 48% above US avg | |
| January Average | 78°F (26°C) |
| July Average | 80°F (27°C) |
| Sunny Days | 161 days/yr |
Geography
| Elevation | 118 ft (36 m) |
| Area | 6.4 sq mi (16.6 km²) |
| Population Density | 17,453/sq mi |
| Coordinates | 11.6661°N, 92.7464°W |
| Timezone | Asia/Kolkata |
Precipitation & Snow
Air Quality
Earthquake History
516 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.6.
| Jun 27, 2008 | 124 km SW of Bamboo Flat, India | M6.6 | 125 km | 17 km |
| May 31, 2010 | 98 km SE of Port Blair, India | M6.5 | 99 km | 112 km |
| Feb 3, 2006 | 41 km WNW of Bamboo Flat, India | M6.1 | 46 km | 19 km |
| Jun 28, 2008 | 144 km SW of Bamboo Flat, India | M6.1 | 145 km | 15 km |
| Jan 4, 2005 | Andaman Islands, India region | M6.1 | 118 km | 23 km |
| Aug 11, 2003 | 99 km ENE of Port Blair, India | M6.0 | 99 km | 100 km |
| Mar 26, 2003 | 92 km N of Bamboo Flat, India | M5.9 | 97 km | 33 km |
| Jun 27, 2008 | 135 km SW of Bamboo Flat, India | M5.9 | 136 km | 17 km |
| Aug 5, 2001 | 90 km NE of Bamboo Flat, India | M5.9 | 91 km | 96 km |
| Jan 14, 2008 | 139 km S of Port Blair, India | M5.9 | 140 km | 34 km |
| Nov 2, 2002 | 111 km N of Bamboo Flat, India | M5.8 | 116 km | 33 km |
| Jul 13, 2005 | 146 km S of Port Blair, India | M5.5 | 147 km | 50 km |
| Mar 6, 2004 | 146 km NNE of Bamboo Flat, India | M5.5 | 150 km | 38 km |
| Feb 22, 2005 | 141 km SW of Port Blair, India | M5.5 | 141 km | 30 km |
| Apr 10, 2007 | 144 km N of Bamboo Flat, India | M5.5 | 149 km | 30 km |
| Jan 9, 2005 | 135 km SSW of Port Blair, India | M5.5 | 136 km | 23 km |
| Jan 6, 2005 | 133 km SW of Bamboo Flat, India | M5.5 | 134 km | 11 km |
| Nov 10, 1990 | 124 km ENE of Port Blair, India | M5.4 | 125 km | 33 km |
| Jun 28, 2008 | 123 km SW of Port Blair, India | M5.4 | 124 km | 20 km |
| Sep 30, 1993 | 24 km WNW of Bamboo Flat, India | M5.3 | 29 km | 23 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
5 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 3.
| Year | Name | Category | Max Wind | Closest |
| 2013 | Lehar | Category 1 | 81 mph | 99 km |
| 2007 | Sidr | Category 3 | 92 mph | 249 km |
| 2006 | Mala | Category 2 | 75 mph | 279 km |
| 1997 | Unnamed | Category 1 | 63 mph | 137 km |
| 1989 | Gay | Category 2 | 127 mph | 90 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
2 tsunamis recorded within 500 km. Highest wave on record: 4.0 m (13 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1868 | ANDAMAN ISLANDS | Unknown | 4.0 m | — | 2 km |
| 1941 | ANDAMAN SEA, E. COAST INDIA | Earthquake | 1.5 m | — | 33 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 78°F (26°C) | 1.5 in | Coldest |
| February | 79°F (26°C) | 1.0 in | Driest |
| March | 80°F (27°C) | 1.8 in | |
| April | 83°F (28°C) | 4.7 in | Warmest |
| May | 82°F (28°C) | 11.7 in | |
| June | 80°F (27°C) | 12.8 in | |
| July | 80°F (27°C) | 13.2 in | |
| August | 80°F (26°C) | 13.6 in | |
| September | 79°F (26°C) | 15.4 in | Wettest |
| October | 79°F (26°C) | 12.4 in | |
| November | 79°F (26°C) | 8.7 in | |
| December | 79°F (26°C) | 4.1 in |
Port Blair has a seasonal temperature swing of 5°F / from 78°F in January to 83°F in April. Total annual precipitation is 100.8 inches, with September being the wettest month (15.4") and February the driest (1.0").