With spring blossom back in Central, and warmer than average temperatures predicted, summer loving residents can crack out their jandals as La Niña continues to be an important climate driver this season.

Along with warmer days, NIWA’s Seasonal Climate Outlook said more northeasterly winds may result in periods of increased sunshine for Central. 

Seasonal rainfall predictions are challenging; totals are about equally likely to be near normal (40 per cent chance) or below normal (35 per cent chance). 

Fewer westerly winds during spring may lead to lengthy dry spells; however, this may be interspersed with occasionally heavy rainfall events in the coming months.

Soil moisture levels and river flows are most likely to be near normal (45 per cent chance).

River flows across most of the country remain very high following a wet winter. The next three months should see a return to near normal soil moisture and river flow conditions across the country.

Marine heatwave conditions are occurring offshore from many regions, in August 

Coastal sea surface temperatures ranged from 0.5˚C to 1.0˚C above average. 

For hayfever, allergy and asthma sufferers, there is an unwelcome kicker in the warm temperatures. 

The Asthma and Respiratory Foundation NZ (ARFNZ) has warned people to prepare for an intense spring and summer, as forecasts indicate ideal conditions for pollen production.

NIWA meteorologist Ben Noll said a warmer than average start to the year, coupled with the wettest July on record, means the stage is set for strong plant growth and associated pollen production.

Aotearoa is facing its third consecutive La Niña, bringing in more winds from the tropics which also aid growing conditions.

ARFNZ chief executive Letitia Harding reminded Kiwis with allergies and allergic asthma to take precautions to keep themselves well, keep medication with them and know what to do if their asthma is triggered or worsened by pollen.

"It can be a difficult time of year for the respiratory community, but being prepared and taking some simple, but effective, steps can make all the difference," she said.

Advice is to keep their windows closed in the early morning when pollen is at its peak, and on windy days, and to dry clothes indoors if possible. 

"Pollen can drift onto washing hung outside and accumulate on clothes and skin throughout the day. It’s a good idea to shower before bed to remove any allergens that could trigger symptoms overnight."

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