Average Humidity for August in New Zealand

August averages for the relative humidity at cities, towns and islands throughout New Zealand are listed below.

The numbers are long-term averages based on weather data collected from 1991 to 2020.

Relative humidity measures the actual amount of moisture in the air as a percentage of the maximum amount of moisture the air can hold. These humidity readings are for 9:00 am local time.

North Island

Average humidity in August
Place %
Auckland 85
Cape Reinga 83
Gisborne 79
Great Barrier Island 82
Hamilton 89
Kaikohe 88
Kaitaia 89
Kerikeri 89
Masterton 87
Napier 76
New Plymouth 85
Palmerston North 85
Rotorua 87
Taupo 86
Tauranga 82
Thames 85
Waiheke Island 88
Wellington 84
Whakapapa Village, Tongariro 87
Whanganui 83
Whangaparaoa 86
Whangarei 86
Whitianga 85

South Island

August relative humidity averages
Place %
Akaroa 80
Arthur's Pass 91
Blenheim 81
Christchurch 87
Dunedin 78
Farewell Spit 84
Franz Josef 89
Greymouth 85
Invercargill 86
Kaikoura  71
Lake Rotoiti 87
Lake Tekapo 80
Manapouri 92
Milford Sound 95
Mt Cook 80
Nelson 87
Queenstown 81
Secretary Island 83
Timaru 84
Westport 85

Other Islands

Humidity averages for August
Place %
Auckland Islands 86
Campbell Island 85
Chatham Island 84
Raoul Island 72
Stewart Island, Oban 91
Reference

NIWA (New Zealand National Institute of Water and Atmospheric Research). The National Climate Database.

New Zealand Humidity
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