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Weather & Climate in Port-aux-Français, French Southern Territories
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Port-aux-Français has a cool climate with an average annual temperature of 41°F (5°C). Winters average 46°F in January while summers reach 36°F in July / relatively mild seasonal variation. The area gets 285 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 28.2 inches (drier than the 38-inch national average). The city sits at an elevation of 36 feet.
Temperature
46°F Jan (8°C)
36°F Jul (2°C)
| Annual Average | 40.9°F |
| 24% below US avg | |
| January Average | 46°F (8°C) |
| July Average | 36°F (2°C) |
| Sunny Days | 285 days/yr |
Geography
| Elevation | 36 ft (11 m) |
| Coordinates | -49.3492°N, 70.2194°W |
| Timezone | Indian/Kerguelen |
Precipitation & Snow
Air Quality
Earthquake History
13 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.3.
| Jul 28, 2007 | 93 km WNW of Port-aux-Français, French Southern Territories | M5.3 | 93 km | 10 km |
| Mar 12, 2014 | 48 km W of Port-aux-Français, French Southern Territories | M4.9 | 49 km | 20 km |
| Mar 21, 2014 | 49 km SW of Port-aux-Français, French Southern Territories | M4.7 | 50 km | 10 km |
| Jun 10, 2015 | 34 km W of Port-aux-Français, French Southern Territories | M4.7 | 34 km | 10 km |
| Mar 15, 2014 | 48 km WNW of Port-aux-Français, French Southern Territories | M4.7 | 49 km | 16 km |
| Oct 6, 2017 | 93 km W of Port-aux-Français, French Southern Territories | M4.7 | 93 km | 14 km |
| Mar 15, 2014 | 55 km W of Port-aux-Français, French Southern Territories | M4.6 | 56 km | 10 km |
| Oct 15, 2017 | 93 km WNW of Port-aux-Français, French Southern Territories | M4.6 | 93 km | 15 km |
| Mar 15, 2014 | 48 km WSW of Port-aux-Français, French Southern Territories | M4.5 | 48 km | 15 km |
| Mar 12, 2014 | 43 km W of Port-aux-Français, French Southern Territories | M4.5 | 44 km | 19 km |
| Mar 15, 2014 | 57 km NW of Port-aux-Français, French Southern Territories | M4.4 | 57 km | 10 km |
| Mar 15, 2014 | 46 km W of Port-aux-Français, French Southern Territories | M4.3 | 47 km | 10 km |
| Mar 15, 2014 | 55 km WNW of Port-aux-Français, French Southern Territories | M4.3 | 55 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Nearby Volcanoes
1 volcano within 200 km. Closest: Kerguelen Islands (58 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Kerguelen Islands | Stratovolcano(es) | 1,840 m (6,037 ft) | Unknown | 58 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 46°F (8°C) | 2.1 in | |
| February | 46°F (8°C) | 1.8 in | Warmest, Driest |
| March | 45°F (7°C) | 2.4 in | |
| April | 43°F (6°C) | 2.7 in | |
| May | 40°F (4°C) | 2.7 in | |
| June | 37°F (3°C) | 2.5 in | |
| July | 36°F (2°C) | 2.8 in | Wettest |
| August | 36°F (2°C) | 2.6 in | Coldest |
| September | 37°F (3°C) | 2.5 in | |
| October | 39°F (4°C) | 2.1 in | |
| November | 41°F (5°C) | 2.0 in | |
| December | 44°F (6°C) | 2.0 in |
Port-aux-Français has a seasonal temperature swing of 10°F / from 36°F in August to 46°F in February. Total annual precipitation is 28.2 inches, with July being the wettest month (2.8") and February the driest (1.8").