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Summary for New Zealand

El Niño Advisory: El Niño conditions are present. Positive equatorial sea surface temperature (SST) anomalies continue across the western and central Pacific, while near-to-below average SSTs are evident in the eastern Pacific. There is an approximately 50-60% chance that El Niño conditions will continue through Southern Hemisphere winter 2015.

April Temperature

North Island: Most of the island is expected to be above normal except for the Southern Hawkes Bay which will only slightly above normal normal.

South Island: Large areas of the island are forecast to be slightly to moderately warmer, especially the Alps and eastern part of the island, except for South Canterbury which should be near normal.

April Precipitation

North Island: Much of the island is forecast to be slightly drier than normal. Parts of the South Waikato and Hawkes Bay and Northland and Wellington will be close to normal to slightly drier than normal.

South Island: Much of the western half of the island will be slightly drier than normal with some isolated portions of the Alps moderately drier than normal. The eastern half of the island will be near normal to slightly drier than normal.

April Potential Evapotranspiration Deficit

North Island: The entire island is either close to normal or in deficit especially in the Central Plateau. East Cape and coastal Hawkes Bay and the Wellington area should be near normal.

South Island: The West Coast dries out along with the Alps while the East Coast improves its deficits to be near normal to only slight deficits.

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