Seasons & weather
Weather and seasons: French Southern Territories
Use this page to explore the weather in French Southern Territories. The forecast point is Port-aux-Français; its temperature, rain and wind describe that location, not an average for the country. The regional background below explains what to consider when comparing the map with your destination. It is not a country climate classification or a forecast for a particular season.
Antarctica and southern polar environments
Coast and interior are different
Antarctic conditions vary between the high continental interior, the coast and nearby island environments. The interior's greater elevation and distance from the ocean are important differences. Southern Hemisphere summer and winter occur at opposite times to those in the Northern Hemisphere; daylight also changes strongly with latitude and season. None of these broad patterns makes one coastal location representative of the whole region, or a summer date a guarantee of mild weather.
Understand the map's limits
A global map may provide useful background for clouds, wind or temperature, but local observational coverage and forecast detail vary. Check the timestamp, layer and location carefully. Satellite imagery is not rain radar, and snow or ice visible in an image does not establish surface or travel conditions. A blank radar area can reflect a lack of coverage. Zooming into a map cannot supply observations that are not available.
Use specialist operational information
General weather pages are for orientation and do not replace the specialist forecasts and procedures used by expedition operators, vessels or research programmes. A forecast for one station should not be applied to a distant landing site or inland route. Where no suitable capital or forecast point exists, this site leaves that forecast absent. For decisions on travel or operations, use the current information and instructions of the responsible organisations.