The best times to visit the French Southern and Antarctic Lands for ideal weather are

early to mid August

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.

 

 


Other the French Southern and Antarctic Lands Travel Info

Weather in the French Southern and Antarctic Lands

Temperature

Average temperatures in the French Southern and Antarctic Lands vary barely at all. Considering humidity, temperatures feel cold all year with a chance of rain or snow throughout most of the year. The area is far less temperate than some — in the bottom 1 percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit the French Southern and Antarctic Lands, the hottest months are February, May, and then August. See average monthly temperatures below. The warmest time of year is generally early to mid August where highs are regularly around 60.3°F (15.7°C) with temperatures rarely dropping below 48.8°F (9.3°C) at night.

the French Southern and Antarctic Lands Temperatures (Fahrenheit)

Key
High
Average
Low

the French Southern and Antarctic Lands Temperatures (Celsius)

Key
High
Average
Low

“Feels-Like” Temperatures

The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.

the French Southern and Antarctic Lands Perceived Temperature (F)

Key
High
Average
Low

the French Southern and Antarctic Lands Perceived Temperature (C)

Key
High
Average
Low

 

Average the French Southern and Antarctic Lands Temperatures by Month

Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.

Show Fahrenheit

Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
Jan 57.6 51.7 46.2
Feb 59.4 53.9 48.6
Mar 59 52.8 47
Apr 59.1 53.3 47.6
May 59.3 53.8 48.2
Jun 58.5 53.4 47.9
Jul 58.5 53.4 47.6
Aug 58.8 53.5 47.8
Sep 57.7 52.3 47
Oct 56.3 50.7 45.5
Nov 56.8 51.5 46.4
Dec 57.9 52.1 46.4

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 14.2 10.9 7.9
Feb 15.2 12.2 9.2
Mar 15 11.6 8.3
Apr 15.1 11.8 8.7
May 15.2 12.1 9
Jun 14.7 11.9 8.8
Jul 14.7 11.9 8.7
Aug 14.9 11.9 8.8
Sep 14.3 11.3 8.3
Oct 13.5 10.4 7.5
Nov 13.8 10.8 8
Dec 14.4 11.2 8

 


 

Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in the French Southern and Antarctic Lands are October, September, and then March. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around mid October. For example, on the week of October 15th there is 1 day of precipitation on average. By contrast, it’s most likely to rain or snow in mid June with an average of 2 days of significant precipitation the week of June 18th.

When can you find snow in the French Southern and Antarctic Lands? Weather stations report very large amounts of snow likely to be deepest around April, especially close to early April. The best time to ski (if at all) in the French Southern and Antarctic Lands is often around around December 17th when fresh powder is deepest. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.

Chance of Precipitation

The graph below shows the % chance of rainy and snowy days in the French Southern and Antarctic Lands.

Key
Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in the French Southern and Antarctic Lands (in).

Key
Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 21% 6.7 3.3
Feb 22% 9.3 3
Mar 20% 11.7 3.1
Apr 23% 13.9 3.1
May 25% 0 3.6
Jun 27% 0 3.4
Jul 27% 0 3.4
Aug 24% 0 3.3
Sep 20% 0 2.8
Oct 20% 3.9 2.6
Nov 26% 0.5 3.3
Dec 23% 5.4 3.2

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 21 17 8.4
Feb 22 23.6 7.6
Mar 20 29.7 7.9
Apr 23 35.3 7.9
May 25 0 9.1
Jun 27 0 8.6
Jul 27 0 8.6
Aug 24 0 8.4
Sep 20 0 7.1
Oct 20 9.9 6.6
Nov 26 1.3 8.4
Dec 23 13.7 8.1

 

Humidity and Wind

the French Southern and Antarctic Lands has some very humid months, and above average humidity throughout the year. The least humid month is September (70% relative humidity), and the most humid month is February (74.2%).

Wind in the French Southern and Antarctic Lands is usually stronger than many places. The windiest month is September, followed by October and November. September’s average wind speed of around 13.8 knots (15.9 MPH or 25.6 KPH) is considered “a moderate breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early October where average top sustained speeds reach 22.7 knots, which is considered a strong breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in the French Southern and Antarctic Lands.

Key
Avg. Relative Humidity

Wind

The graph below shows wind speed (max and average) in knots.

Key
Max Sustained Wind
Average Daily Wind

Average Wind Speeds

Show Wind Speeds

All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.

Month Avg. Wind Avg. Wind Feel Sustained High Wind High Wind Feel
Jan 11.5 Significant breeze 18.4 Strong breeze
Feb 11.2 Significant breeze 17.9 Strong breeze
Mar 11.1 Significant breeze 18.2 Strong breeze
Apr 11.7 Significant breeze 19.1 Strong breeze
May 12.6 Significant breeze 20.3 Strong breeze
Jun 13 Significant breeze 20.6 Strong breeze
Jul 13.1 Significant breeze 21.2 Strong breeze
Aug 12.8 Significant breeze 21.2 Strong breeze
Sep 13.8 Significant breeze 22.2 Strong breeze
Oct 13.7 Significant breeze 21.4 Strong breeze
Nov 13.4 Significant breeze 20.7 Strong breeze
Dec 12.1 Significant breeze 19.2 Strong breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 71.8%
Feb 74.2%
Mar 70.4%
Apr 71.3%
May 70.2%
Jun 70.2%
Jul 71.4%
Aug 70.8%
Sep 70%
Oct 70.2%
Nov 73.4%
Dec 72%

 

Is it Safe to Travel to the French Southern and Antarctic Lands?

Our best data indicates this area is somewhat safe. As of Dec 04, 2023 there are travel warnings for France; exercise a high degree of caution. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Nov 20, 2023.


 

The Busiest and Least Crowded Months

The busiest month for tourism in the French Southern and Antarctic Lands is November, followed by January and March. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit the French Southern and Antarctic Lands in June. Those willing to visit at these times will likely find it the least expensive month.

Estimated Tourism by Month

 

Most Popular Months to Visit

Key
Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 73 in June means 73% of the tourists vs. November.

 

 

Overall the French Southern and Antarctic Lands Travel Experience by Season

Fall (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 59.9°F (15.5°C) and 58.4°F (14.7°C) with similar temperatures in the later months. Rain is somewhat common with 6 to 8 days of significant precipitation per month. Fall is the busiest for tourism, which makes it a good time for those looking for things to do.

Winter (June through August)

The middle-year months have cold weather with high temperatures that are brisk. These months see the most precipitation with 7 to 8 days of precipitation per month. June – August is the slowest season for tourism in the French Southern and Antarctic Lands, so lodging and other accommodations may cost less than usual.

Spring (September through November)

Spring daily highs range from 58.3°F (14.6°C) and 56°F (13.3°C), which will feel chilly given the humidity and wind. It rains or snows a significant amount: 6 to 8 days per month. Tourism is the second busiest during these months due to the weather, so hotels may be slightly higher priced.

Summer (December through February)

Weather is too cold this time of year in the French Southern and Antarctic Lands to be enjoyable for warm weather travelers. The average high during this season is between 59.7°F (15.4°C) and 56.8°F (13.8°C). On average, it rains or snows a fair amount: 6 to 7 times per month. These times of year are fairly slow with tourists.

 

Best Times to Travel › the French Southern and Antarctic Lands