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Barometric Pressure in New Zealand

We monitor barometric pressure across 36 cities in New Zealand, giving you up-to-date insights into local weather patterns.

Flag of New Zealand

Whether you're tracking pressure changes for health reasons, planning outdoor activities, or planning a fishing trip, our data is tailored to conditions in New Zealand, with detailed readings city by city.

New Zealand Barometric Pressure Map

Depending on how many places we monitor in New Zealand, the map displays a sampled set of barometric pressure data to give a clear overview of current conditions.

Here you can see which cities experienced the biggest and smallest changes in barometric pressure today. This helps highlight areas with the most stable or unstable weather patterns.

Most volatile

Least volatile

How is it calculated?

Our volatility “beta” number is generated by an algorithm that analyzes hourly barometric pressure changes. It looks at how much the pressure fluctuates from hour to hour. A beta of 0 means no change, perfectly stable pressure. The higher the decimal value, the more variation there has been throughout the day or over a longer period.

Weather Systems

Low-pressure systems, called depressions or cyclones, often come from the west or southwest toward New Zealand. These bring wind, rain, and storms. High-pressure systems, called anticyclones, usually move in from the Tasman Sea or the Pacific Ocean. Anticyclones mean settled, calm weather.

Geography

New Zealand is long and narrow, with mountains running down the middle of the South Island. The Southern Alps block or push air up, causing high pressure on one side and lower pressure on the other. Coastal areas have different pressures than inland valleys because of nearby seas and hills.

Seasonal Cycles

In winter, high pressures are more common over the country, making days clear but cold. In summer, pressure can change quickly, with more lows bringing rain and wind. Spring and autumn often see a mix of high and low pressures, causing changeable weather.

Climate Change

Climate change is shifting air pressure patterns and making them less predictable. Some places are seeing more frequent lows, leading to heavier rain and storms. High-pressure systems may last longer in some regions, bringing hot, dry spells and affecting farming and water supplies.

Places in New Zealand

You can find your city in the lists below, by using our search, or on the New Zealand Pressure Map above. We're tracking barometric pressure across multiple locations in New Zealand to keep you informed.

Each city includes a pressure status showing whether it's currently high, normal or low, along with two volatility values: one for today and one for the full period, usually 14 days. These help you see how much the pressure is changing over time.

Other

Auckland

Bay of Plenty

Canterbury

Hawke's Bay

Hawke's Bay Region

Manawatu-Wanganui

Northland

Otago

Southland

Taranaki

Waikato

Wellington

West Coast

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