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Port-aux-Français, French Southern Territories climate
ET Tundra
Port-aux-Français has a mildly seasonal cold-temperate climate (Tundra, Köppen ET). The hottest month is February with an average daily high near 12°C, while the coldest is July averaging around −1°C at night. Precipitation is fairly even year-round, totalling about 665 mm.
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figuresHours of sunshine per day
Estimated sunny hours each month — daylight length × clear-sky fraction · 1991–2020 monthly cloud cover (NASA POWER)Port-aux-Français climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 12 | 12 | 11 | 9 | 7 | 5 | 5 | 5 | 6 | 7 | 9 | 11 |
| Avg temp (°C) | 8 | 8 | 8 | 6 | 4 | 3 | 2 | 2 | 3 | 4 | 5 | 7 |
| Avg low (°C) | 4 | 5 | 4 | 3 | 1 | 0 | −1 | −1 | 0 | 0 | 2 | 3 |
| Precipitation (mm) | 50 | 40 | 54 | 65 | 63 | 71 | 65 | 59 | 54 | 45 | 49 | 50 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 12 | 12 | 11 | 9 | 7 | 5 |
| Avg temp (°C) | 8 | 8 | 8 | 6 | 4 | 3 |
| Avg low (°C) | 4 | 5 | 4 | 3 | 1 | 0 |
| Precipitation (mm) | 50 | 40 | 54 | 65 | 63 | 71 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 5 | 5 | 6 | 7 | 9 | 11 |
| Avg temp (°C) | 2 | 2 | 3 | 4 | 5 | 7 |
| Avg low (°C) | −1 | −1 | 0 | 0 | 2 | 3 |
| Precipitation (mm) | 65 | 59 | 54 | 45 | 49 | 50 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 81 | 79 | 77 | 77 | 76 | 78 | 79 | 79 | 79 | 82 | 82 | 81 |
| Relative humidity (%) | 81 | 82 | 83 | 86 | 87 | 88 | 87 | 85 | 83 | 82 | 81 | 81 |
| Wind speed (m/s) | 9.3 | 8.9 | 9.0 | 8.7 | 8.7 | 8.4 | 8.7 | 9.2 | 9.7 | 9.7 | 9.4 | 9.1 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 81 | 79 | 77 | 77 | 76 | 78 |
| Relative humidity (%) | 81 | 82 | 83 | 86 | 87 | 88 |
| Wind speed (m/s) | 9.3 | 8.9 | 9.0 | 8.7 | 8.7 | 8.4 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 79 | 79 | 79 | 82 | 82 | 81 |
| Relative humidity (%) | 87 | 85 | 83 | 82 | 81 | 81 |
| Wind speed (m/s) | 8.7 | 9.2 | 9.7 | 9.7 | 9.4 | 9.1 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 30 years of daily observations at Port-aux-francais (iles Kerguelen), a weather station, about 2 km from the city centre. The underlying daily records come from NOAA's global station network.
Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.