Heard Island and McDonald Islandswhen to go
Heard Island and McDonald Islands' national averages run from 2 °C in September to 5 °C in February, with rainfall between 84 mm in January and 120 mm in August and 1.8–7.6 hours of sun a day. Against the default preferences (under 2.7 mm of rain a day, at least 6 hours of sun), the strongest months are January, February and September. Its 1 regions span 3–3 °C in annual mean temperature, so the national figure hides a good deal.
- Region
- Africa
- Area
- 420 km²
When Heard Island and McDonald Islands shines
A decade of weather, in one page
View data table
| Month | Average daytime high (°C) | Average overnight low (°C) | Typical low | Typical high |
|---|---|---|---|---|
| January | 3.9 | 2.5 | 1.3 | 5.8 |
| February | 4.6 | 3.0 | 1.5 | 6.7 |
| March | 4.4 | 2.8 | 1.0 | 6.7 |
| April | 4.1 | 2.2 | 0.7 | 6.7 |
| May | 3.1 | 1.2 | -0.8 | 5.6 |
| June | 2.7 | 0.6 | -1.3 | 5.0 |
| July | 2.1 | -0.1 | -2.5 | 4.7 |
| August | 1.8 | -0.3 | -2.6 | 4.4 |
| September | 1.6 | -0.5 | -2.8 | 3.9 |
| October | 1.7 | 0.0 | -2.1 | 3.8 |
| November | 2.6 | 1.0 | -0.3 | 4.9 |
| December | 3.3 | 1.9 | 0.8 | 5.2 |
View data table
| Month | Rainfall (mm) |
|---|---|
| January | 84 |
| February | 91 |
| March | 95 |
| April | 114 |
| May | 120 |
| June | 116 |
| July | 115 |
| August | 120 |
| September | 107 |
| October | 99 |
| November | 94 |
| December | 86 |
View data table
| Month | Sunshine hours (hr / day) |
|---|---|
| January | 7.1 |
| February | 5.1 |
| March | 4.2 |
| April | 3.2 |
| May | 2.4 |
| June | 1.8 |
| July | 2.2 |
| August | 3.2 |
| September | 4.9 |
| October | 6.4 |
| November | 7.3 |
| December | 7.6 |
View data table
| Month | Average wind speed (km/h) | Typical low | Typical high |
|---|---|---|---|
| January | 39.7 | 21.1 | 54.4 |
| February | 41.1 | 24.3 | 56.7 |
| March | 41.1 | 21.9 | 56.4 |
| April | 42.2 | 24.6 | 57.8 |
| May | 42.4 | 23.8 | 59.6 |
| June | 44.2 | 21.1 | 62.3 |
| July | 44.7 | 25.8 | 62.2 |
| August | 44.5 | 27.3 | 60.1 |
| September | 46.5 | 27.5 | 62.5 |
| October | 42.9 | 25.7 | 59.8 |
| November | 39.7 | 21.0 | 56.6 |
| December | 39.1 | 21.1 | 57.2 |
Snow depth for Heard Island and McDonald Islands is part of the Premium map and its district-level detail. See what Premium includes.
Sea surface temperature for Heard Island and McDonald Islands is part of the Premium map and its district-level detail. See what Premium includes.
Heat index for Heard Island and McDonald Islands is part of the Premium map and its district-level detail. See what Premium includes.
Humidity for Heard Island and McDonald Islands is part of the Premium map and its district-level detail. See what Premium includes.
Heard Island and McDonald Islands, taken apart
No advisory on file for Heard Island and McDonald Islands
None of the six governments we track publishes a country-wide advisory for Heard Island and McDonald Islands. That is not the same as a clean bill of health — check your own government’s guidance before you travel.
A year in Heard Island and McDonald Islands, in order
- JanJanuary3.9°C · 84 mm · 7.1 hr/day
Around 4 °C with 84 mm of rain and 7.1 hours of sun a day.
Around 4 °C with 84 mm of rain and 7.1 hours of sun a day.
- FebFebruary4.6°C · 91 mm · 5.1 hr/day
Around 5 °C with 91 mm of rain and 5.1 hours of sun a day.
Around 5 °C with 91 mm of rain and 5.1 hours of sun a day.
- MarMarch4.4°C · 95 mm · 4.2 hr/day
Around 4 °C with 95 mm of rain and 4.2 hours of sun a day.
Around 4 °C with 95 mm of rain and 4.2 hours of sun a day.
- AprApril4.1°C · 114 mm · 3.2 hr/day
Around 4 °C with 114 mm of rain and 3.2 hours of sun a day.
Around 4 °C with 114 mm of rain and 3.2 hours of sun a day.
- MayMay3.1°C · 120 mm · 2.4 hr/day
Around 3 °C with 120 mm of rain and 2.4 hours of sun a day.
Around 3 °C with 120 mm of rain and 2.4 hours of sun a day.
- JunJune2.7°C · 116 mm · 1.8 hr/day
Around 3 °C with 116 mm of rain and 1.8 hours of sun a day.
Around 3 °C with 116 mm of rain and 1.8 hours of sun a day.
- JulJuly2.1°C · 115 mm · 2.2 hr/day
Around 2 °C with 115 mm of rain and 2.2 hours of sun a day.
Around 2 °C with 115 mm of rain and 2.2 hours of sun a day.
- AugAugust1.8°C · 120 mm · 3.2 hr/day
Around 2 °C with 120 mm of rain and 3.2 hours of sun a day.
Around 2 °C with 120 mm of rain and 3.2 hours of sun a day.
- SepSeptember1.6°C · 107 mm · 4.9 hr/day
Around 2 °C with 107 mm of rain and 4.9 hours of sun a day.
Around 2 °C with 107 mm of rain and 4.9 hours of sun a day.
- OctOctober1.7°C · 99 mm · 6.4 hr/day
Around 2 °C with 99 mm of rain and 6.4 hours of sun a day.
Around 2 °C with 99 mm of rain and 6.4 hours of sun a day.
- NovNovember2.6°C · 94 mm · 7.3 hr/day
Around 3 °C with 94 mm of rain and 7.3 hours of sun a day.
Around 3 °C with 94 mm of rain and 7.3 hours of sun a day.
- DecDecember3.3°C · 86 mm · 7.6 hr/day
Around 3 °C with 86 mm of rain and 7.6 hours of sun a day.
Around 3 °C with 86 mm of rain and 7.6 hours of sun a day.
If you like Heard Island and McDonald Islands, also consider
Plan a trip to Heard Island and McDonald Islands.
No card required. Upgrade to Premium whenever you want more depth.