The weather in August in Heard Island and McDonald Islands
It's cold in August in Heard Island and McDonald Islands with an average temperature of 2°C. Temperatures this month range from a low of 1°C to a high of 2°C. At night, you can expect temperatures between -2°C and 0°C.
Looking for sun? August isn’t a good month to be in Heard Island and McDonald Islands. There’s too much chance of rain this month.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in August for Heard Island and McDonald Islands. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 6°C in 2017, Heard Island and McDonald Islands reached the highest temperature in August over the past 10 years. The lowest daytime temperature in this month was -6°C in 2014. The extreme nighttime temperatures ranged from a lowest recorded value of -11°C to a highest value of 4°C.
Precipitation and snowfall
In August, there is an average of 131 mm of precipitation, spread over 16 days. Of the total precipitation, about 41 cm falls as snow in August. The wind speed is around 7 Bft, mostly coming from the West.
Daily weather in August for Heard Island and McDonald Islands
Click on any day in August to get detailed info about the usual weather on that day in Heard Island and McDonald Islands. Check out the historical temperatures and precipitation over the past 10 years on this day.
August weather comparison
| Heard Island and McDonald Islands | New York | |
|---|---|---|
| Average temperature | 2°C | 30°C |
| Max. temperature | 2°C | 31°C |
| Min. temperature | -2°C | -5°C |
| Total precipitation | 131 mm | 79 mm |
| Rainy days | 16 days | 13 days |
| Total snowfall | 41 cm | 0 cm |
| Snowy days | 18 days | 0 days |
Start of August
The month of August starts in Heard Island and McDonald Islands with really cold temps, averaging around 2°C during the day and nights dipping to about 0°C.
Mid August
By mid-August, daytime temps stay steady at around 2°C, with nights around 0°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.
End of August
By the end of August, the average daytime temperature in Heard Island and McDonald Islands is around 2°C, while nighttime temps are about 0°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.
UV index
The UV index is a maximum of 4 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.
Temperature charts
These charts show the average temperatures in August in Heard Island and McDonald Islands. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in August in Heard Island and McDonald Islands
Temperature in August in Heard Island and McDonald Islands over the years
Precipitation charts
These charts show the average amount of precipitation in August in Heard Island and McDonald Islands. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in August in Heard Island and McDonald Islands
Total precipitation in August in Heard Island and McDonald Islands over the years
Daily Snowfall in August in Heard Island and McDonald Islands
Snowfall in August in Heard Island and McDonald Islands per year
Daily UV index in August in Heard Island and McDonald Islands
This chart shows the average daily UV index in August in Heard Island and McDonald Islands, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in August in Heard Island and McDonald Islands
The weather in August in Heard Island and McDonald Islands is rated 0 out of 5 stars by 1 visitor. Have you been to Heard Island and McDonald Islands? Share your weather experience to help other visitors.
Have you been to Heard Island and McDonald Islands in August?
Share your weather experience in August in Heard Island and McDonald Islands.
Average weather in Heard Island and McDonald Islands by month
Click on a month below to see detailed weather info for Heard Island and McDonald Islands. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.