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What is the climate like in Heard Island and McDonald Islands?

The climate of Heard Island and McDonald Islands has an average yearly temperature of 3°C. Throughout the year, the average monthly temperature can drop to 1°C and rise to 5°C.

Annually, about 1363 mm of rain falls. This gives a good overview of how much rain to expect in Heard Island and McDonald Islands. Additionally, about 250 cm of snow falls each year.

There are no best months to visit Heard Island and McDonald Islands.

Temperature 1 to 5°C
Rain 1363 mm
Snow 250 cm
The climate of Heard Island and McDonald Islands
  • Average yearly temperature: 3°C
  • Highest temperature: 5°C in February and March
  • Lowest temperature: 1°C in September
  • Precipitation: 1363 mm per year, averaging 114 mm by month
  • Driest months: 93 mm in January, 99 mm in March and 100 mm in December
  • Wettest months: 131 mm in August, 127 mm in April and 126 mm in May
  • Snowfall: 250 cm per year

Climate table Heard Island and McDonald Islands

The climate table for Heard Island and McDonald Islands shows the average temperatures, precipitation, snowfall, and UV index by month.

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daytime temperature (°C) 4 5 5 4 3 3 2 2 1 2 2 3
Nighttime temperature (°C) 3 3 3 2 1 1 0 0 -1 0 1 2
Precipitation (mm) 93 107 99 127 126 126 124 131 114 112 104 100
Snowfall (cm) 6,8 3,5 3,4 7,6 24 29 40 40 36 32 18 8,8
UV Index 6 5 4 3 2 1 1 2 4 6 6 7

Temperature by month in Heard Island and McDonald Islands

This graph shows the average high temperatures in degrees Celsius for each month in Heard Island and McDonald Islands

Temperature by month in Heard Island and McDonald Islands

Precipitation by month in Heard Island and McDonald Islands

This graph shows the average monthly precipitation in millimeters in Heard Island and McDonald Islands.

Precipitation by month in Heard Island and McDonald Islands

Snowfall by month in Heard Island and McDonald Islands

This graph shows the average snowfall in centimeters by month in Heard Island and McDonald Islands.

Snowfall by month in Heard Island and McDonald Islands

UV index by month in Heard Island and McDonald Islands

This graph shows the average UV index by month in Heard Island and McDonald Islands.

UV index by month in Heard Island and McDonald Islands

Yearly temperature in Heard Island and McDonald Islands

This graph shows the average yearly temperature in Heard Island and McDonald Islands, measured in degrees Celsius.

Yearly temperature in Heard Island and McDonald Islands

Yearly total precipitation in Heard Island and McDonald Islands

This graph shows the average yearly precipitation in millimeters in Heard Island and McDonald Islands.

Precipitation per year in Heard Island and McDonald Islands

Yearly snowfall in Heard Island and McDonald Islands

This graph shows the average yearly snowfall in Heard Island and McDonald Islands, measured in centimeters.

Snowfall per year in Heard Island and McDonald Islands

Weather experiences in Heard Island and McDonald Islands

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Average weather in Heard Island and McDonald Islands by month

Click on a month below to see in detail how the weather typically is in Heard Island and McDonald Islands and what to expect. Based on the historical weather data of Heard Island and McDonald Islands, you can view the average temperature, precipitation, wind, and UV index for each day of the month.