The weather in August in Aoraki/Mount Cook

It's cold in August in Aoraki/Mount Cook with an average temperature of 6°C. Temperatures this month range from a low of 3°C to a high of 9°C. At night, you can expect temperatures between -5°C and 0°C.

Looking for sun? August isn’t a good month to be in Aoraki/Mount Cook. 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 Aoraki/Mount Cook, New Zealand. 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 18°C in 2022, Aoraki/Mount Cook reached the highest temperature in August over the past 10 years. The lowest daytime temperature in this month was -6°C in 2015. The extreme nighttime temperatures ranged from a lowest recorded value of -17°C to a highest value of 10°C.

Precipitation and snowfall

In August, there is an average of 182 mm of precipitation, spread over 19 days. Of the total precipitation, about 23 cm falls as snow in August. The wind speed is around 3 Bft, mostly coming from the Southwest.

Daily weather in August for Aoraki/Mount Cook

Click on any day in August to get detailed info about the usual weather on that day in Aoraki/Mount Cook. Check out the historical temperatures and precipitation over the past 10 years on this day.

August weather comparison

  Aoraki/Mount Cook New York
Average temperature 6°C 30°C
Max. temperature 9°C 31°C
Min. temperature -5°C -5°C
Total precipitation 182 mm 79 mm
Rainy days 19 days 13 days
Total snowfall 23 cm 0 cm
Snowy days 11 days 0 days

Start of August

The month of August starts in Aoraki/Mount Cook with cold temps, averaging around 5°C during the day and nights around -2°C.

Mid August

By mid-August, daytime temps rise to around 6°C, with nights around -2°C. There’s a high chance of precipitation during this time.

End of August

By the end of August, the average daytime temperature in Aoraki/Mount Cook is around 9°C, while nighttime temps are about 0°C. A shower might pop up, but overall, the weather will be dry and sunny.

UV index

The UV index is a maximum of 6 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.

Check out the climate of Aoraki/Mount Cook for all months and discover the best travel time

Temperature charts

These charts show the average temperatures in August in Aoraki/Mount Cook, New Zealand. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in August in Aoraki/Mount Cook

Temperature in August in Aoraki/Mount Cook over the years

Precipitation charts

These charts show the average amount of precipitation in August in Aoraki/Mount Cook, New Zealand. 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 Aoraki/Mount Cook

Total precipitation in August in Aoraki/Mount Cook over the years

Daily Snowfall in August in Aoraki/Mount Cook

Snowfall in August in Aoraki/Mount Cook per year

Daily UV index in August in Aoraki/Mount Cook

This chart shows the average daily UV index in August in Aoraki/Mount Cook, 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 Aoraki/Mount Cook

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Average weather in Aoraki/Mount Cook by month

Click on a month below to see detailed weather info for Aoraki/Mount Cook. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.