Current climate: August 2016

During August 2016, mean sea-level pressures were lower than normal to the northeast of New Zealand and above normal to the southeast of New Zealand. This pressure pattern resulted in a prevalence of winds from an easterly or south-easterly direction.

Rainfall

Rainfall was below normal (50-79% of normal) or well below normal (<50% of normal) across Westland, Southland, and parts of the Queenstown-Lakes region. Rainfall was below normal across middle and northern Canterbury, the Tasman, Nelson, and Marlborough regions as well as in parts of Taranaki, Wairarapa, and much of the Bay of Plenty and Waikato. Conversely, rainfall was above normal (120-149% of normal) or well above normal (>149% of normal) for coastal southern Canterbury and coastal Otago and much of Hawke’s Bay as well as north Auckland.

Temperature

August temperatures were below average (-1.20°C to -0.51°C) in the north and east of the South Island. It was an especially chilly month across the northwestern Tasman region where mean temperatures were well below average (<-1.20°C). Elsewhere in New Zealand, temperatures were near average (-0.50 to 0.49°C).

Sunshine

August sunshine was above normal (110-125% of normal) across much of the South Island and west of the North Island. It was especially sunny in southwestern Waikato and in coastal Otago. Sunshine was near normal (90-109% of normal) in most other areas.

Soil Moisture

At the end of August 2016, soil moisture levels were below normal for the time of year across middle and northern Canterbury as well as coastal Wairarapa. Soil moisture levels for the remainder of the country were near normal for this time of year.

Departure from average air temperature for August 2016.
End of month water balance in the pasture root zone for an average soil type where the available water capacity is taken to be 150 mm.
Percentage of normal rainfall for August 2016.