What’s the climate like in Antarctica?
The current climate of Antarctica features average monthly temperatures ranging from highs of -25°C during the day to lows of -51°C. The average yearly temperature is around -41°C. At night, temperatures in the colder months average around -56°C and in the warmer months around -30°C.
The highest temperature recorded in Antarctica in recent years was -15°C in December 2022. The lowest daytime temperature recorded was -73°C in July 2014.
On average, Antarctica receives 8,5 mm of precipitation each year. For comparison, UK gets 701 mm of precipitation annually.
Check out the weather for Antarctica 
Best time to visit Antarctica?
If you’re looking for warm and sunny weather, there aren’t really any specific months that are best to visit Antarctica. The temperatures are too low year-round, or there’s just too much precipitation.
Climate Table of Antarctica
The climate table of Antarctica shows the average temperatures, precipitation, and UV index per month. The table gives an overview of the average day and night temperatures in degrees Celsius, the total amount of precipitation in millimetres, the total snowfall in centimetres, and the UV index for each month. Precipitation is always measured as water, even if it's snow or hail.
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
- Average yearly temperature: -41°C
- Highest temperature: -25°C in December
- Lowest temperature: -51°C in July
- Precipitation: 8,5 mm per year
- Driest months: 0,4 mm in February, June and 0,5 mm in January
- Wettest months: 1,8 mm in October, 1,0 mm in May and 0,9 mm in December
Average Temperature per Month in Antarctica
This graph shows the average maximum temperatures per month in Antarctica. The temperatures are shown in degrees Celsius and the average is calculated based on the recorded temperatures per month from past years.
Average Precipitation per Month in Antarctica
This graph shows how much precipitation Antarctica gets on average per month. Precipitation is always measured as water, even if it's snow or hail. This makes it easy to compare how much has fallen, regardless of the form of precipitation. The amount of precipitation is measured in millimetres and the average is calculated based on the recorded precipitation per month from past years.
Average UV Index per Month in Antarctica
This graph shows the average UV index per month in Antarctica. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Yearly Temperature in Antarctica
This graph shows the average yearly temperature in Antarctica. The yearly temperature, expressed in degrees Celsius, is the average of all twelve monthly temperatures summed up for that year.
Total Yearly Precipitation in Antarctica
This chart shows the total yearly precipitation in Antarctica over the past few years. The total yearly precipitation, measured in millimetres, is the sum of all the rain that fell in the twelve months of that year.
More Climate Info About Antarctica
Antarctica is known worldwide for its icy temperatures and dry conditions. Due to its proximity to the icy Southern Ocean and relatively high altitude, Antarctica has a year-round polar climate. In fact, Antarctica has areas where the thermometer regularly drops below -50 degrees Celsius.
As a geographically isolated continent, Antarctica experiences some of the worst climate conditions in the world. Being so far from the equator, the continent sees very little sun due to its latitude. Constantly low temperatures result from the continent's high altitude and lack of sunlight.
Seasonal temperature swings are a reality in Antarctica, despite the continent's image as a permanent ice sheet. Below is an overview of the continent's seasonal weather by time of year:
Spring (September-November)
Temperatures in Antarctica begin to slowly rise to -20 to -30 degrees Celsius across the continent in spring. There are more clouds and more rain showers in spring, as the polar front has started its northward migration.
Spring in Antarctica is still quite dry, with most of the continent receiving less than 100 mm of rainfall annually, despite the increase in clouds and precipitation.
Summer (December-February)
Some parts of Antarctica reach temperatures close to 0 degrees Celsius throughout the summer. However, cold temperatures of -10 to -20 degrees Celsius persist around the continent's coastlines.
Although it is summer in Antarctica, the continent is still covered in snow because the absence of sunshine in winter prevents the ice from melting. Since this is the case, snow covers the ground all year round.
Autumn (March-May)
The temperatures in Antarctica's autumn months hover around -20 degrees Celsius, making them quite close to spring temperatures. In autumn, the polar front begins its southerly movement, resulting in cloudy skies and more rain than usual.
Although there are more clouds and rain in autumn, much of Antarctica still has a dry season, with annual rainfall of less than 100 millimetres.
Winter (June-August)
Extremely low temperatures of -40 to -50 degrees Celsius are common during the winter months in Antarctica. In winter, wind gusts can reach speeds of up to 200 km/h.
Despite the icy temperatures, Antarctica experiences the least rainfall in winter. The polar front, a band of clouds surrounding the continent, is weakest in winter, which explains this phenomenon. As a result, Antarctica receives very little precipitation in winter. Much of the continent receives less than 50 millimetres of rainfall every year.
Different regional climates
The Antarctic climate is very consistent across the continent, with the exception of the coastal areas, which are slightly warmer and wetter than the interior. Low summer temperatures of 10 to 20 degrees Celsius and low winter temperatures of 30 to 40 degrees Celsius characterise the coastal areas.
Differences in precipitation occur alongside temperature differences in Antarctica. Some coastal areas can receive up to 500 millimetres (mm) of precipitation annually, much more than inland areas.
In short, Antarctica has a severely cold and dry climate, with temperatures regularly dropping below -50 degrees Celsius. Despite this, the continent undergoes seasonal changes in temperature and precipitation.
Best Time to Visit Antarctica
Only a small number of daredevils visit the unusual and remote continent of Antarctica every year. If you are considering a trip to this frozen continent, you want to know when to go for the best experience. You'll find below the ideal time to visit Antarctica based on several variables, including weather, wildlife and accessibility.
Average Antarctic weather
All year round, Antarctica has cold, dry weather with typical highs and lows of -10 to -30 degrees Celsius. But in winter, minima of -70 degrees Celsius have been recorded in several regions of the continent. In terms of weather, the summer season, which lasts from November to March, is the ideal time to travel to Antarctica. The days are longer and the weather is slightly warmer during this period, with the sun rising around 6am and setting around 8pm.
Wildlife
Penguins, seals and whales are just some of the unusual wildlife found in Antarctica. The breeding season, which lasts from November to February, is the ideal time to travel to Antarctica if you want to see these animals up close. Seals give birth during this time and penguins are busy reproducing and raising their young. Moreover, several whale species migrate to the waters around Antarctica to feed during this period.
Only boats or planes can travel to Antarctica, and most tourists arrive there on cruises from South America or the Falkland Islands. As the peak months are December and January, these cruises usually depart from November to March. It is best to book your cruise far in advance if you are considering visiting Antarctica, as they often sell out quickly.
The best time to visit by area
Although the summer months are often the ideal time to visit Antarctica, there are several exceptions depending on where you want to travel.
Ross Sea area
At the eastern edge of the continent, the Ross Sea area is known for its beautiful landscapes and diverse wildlife. The best months to visit this area are November to January, when the days are longer and temperatures are a bit milder. Many different species of whales travel to the region around this season to feed.
Regional Peninsula
The peninsula, located on the western half of the continent, is known for its rocky coastline and extensive penguin colonies. From November to February, when the penguins are actively breeding and raising their young, is the optimal time to explore this area. Moreover, several species of seals give birth to their pups during this period.
Conclusion
The optimal time to travel to Antarctica depends mainly on your own interests and travel goals. The summer months from November to March are the best times to visit if you want to experience milder temperatures and longer days. The mating season, which runs from November to February, is the perfect time to come if you want to see the continent's special wildlife. Regardless of when you decide to travel there, Antarctica is a truly remarkable location that will undoubtedly offer an amazing encounter.
Weather experiences in Antarctica
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Average Weather in Antarctica by Month
Click on a month below to see detailed weather info for Antarctica. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Popular destinations in Antarctica
Discover the climate of these popular destinations in Antarctica.