Weather & Climate in Antsiranana, Madagascar

Temperature, precipitation, air quality, natural hazards, and monthly weather data.

Antsiranana has a warm climate with an average annual temperature of 78°F (26°C). Winters average 80°F in January while summers reach 75°F in July / relatively mild seasonal variation. Annual precipitation totals 45.3 inches. The city sits at an elevation of 197 feet.

Temperature

80°F Jan (27°C) 75°F Jul (24°C)
Annual Average78.3°F
45% above US avg
January Average80°F (27°C)
July Average75°F (24°C)

Geography

Elevation197 ft (60 m)
Area16.2 sq mi (42.0 km²)
Population Density8,444/sq mi
Coordinates12.3173°S, 49.2919°E
TimezoneIndian/Antananarivo

Precipitation & Snow

Annual Rainfall 45.3"
19% above US avg
Snowfall 0.0"
Wettest Month (Jan) 12.44"
Driest Month (Sep) 0.43"

Air Quality

Hurricane History

16 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 5.

Year Name Category Max Wind Closest
2025 Chido Category 4 127 mph 96 km
2025 Dikeledi Category 1 92 mph 68 km
2024 Gamane Category 2 86 mph 73 km
2020 Belna Category 3 98 mph 286 km
2019 Kenneth Category 1 63 mph 251 km
2017 Enawo Category 4 127 mph 262 km
2008 Jokwe Category 1 69 mph 259 km
2007 Bondo Category 4 92 mph 69 km
2007 Jaya Category 2 98 mph 254 km
2002 Hary Category 5 138 mph 275 km
2002 Kesiny Category 1 81 mph 83 km
2000 Hudah Category 3 - 288 km
1994 Nadia Category 3 104 mph 98 km
1984 Andry Category 4 106 mph 137 km
1984 Kamisy Category 3 94 mph 14 km
1982 Justine Category 1 83 mph 202 km
Source: NOAA IBTrACS (Category 1+, 1980-2026).

Nearby Volcanoes

1 volcano within 200 km. Closest: Ambre-Bobaomby (35 km).

Name Type Elevation Last Eruption Distance
Ambre-Bobaomby Volcanic field 1,475 m (4,839 ft) Unknown 35 km
Source: Smithsonian Institution Global Volcanism Program (GVP).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 80°F (27°C) 12.4 in Wettest
February 80°F (26°C) 11.4 in
March 80°F (27°C) 7.1 in
April 80°F (27°C) 2.1 in
May 79°F (26°C) 0.7 in
June 76°F (24°C) 0.7 in
July 75°F (24°C) 0.8 in Coldest
August 75°F (24°C) 0.8 in
September 77°F (25°C) 0.4 in Driest
October 78°F (26°C) 0.8 in
November 80°F (27°C) 1.4 in
December 81°F (27°C) 6.7 in Warmest

Antsiranana has a seasonal temperature swing of 6°F / from 75°F in July to 81°F in December. Total annual precipitation is 45.3 inches, with January being the wettest month (12.4") and September the driest (0.4").

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