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Current Climate - June 2011

It was the 3rd-warmest June on record, using NIWA's seven-station temperature series which began in 1909. Only June 2003 and June 1971 have been warmer. The average temperature in June 2011 was 10.0°C (1.5°C above the 1971–2000 June average). ). Several all-time June temperature records were broken in the North Island and the northern South Island on 5 June, associated with a very mild, northerly airstream brought down from the sub-tropics. 

Rainfall

It was a very dry month across the majority of the South Island, with rainfall totals typically around half (50 percent) of June normal. Notably, rainfall ranged between 25 and 50 percent of normal in parts of coastal North Canterbury, and throughout South Canterbury and Otago. In contrast, it was rather wet June for the northern half of the North Island, with above normal or well above normal rainfall (at least 120 percent of June normal) in Northland, Auckland, Bay of Plenty, Waikato, and Taranaki; as well as in Nelson. For the reminder of the North Island, rainfall totals were below normal (between 50 and 70 percent of June normal).

Air temperature

Monthly mean temperatures for June were well above average (at least 1.2°C above June average) across the north and west of both Islands, with several June records broken. Elsewhere in the North Island, mean temperatures were generally above average (between 0.5°C and 1.2°C above June average). In the south and east of the South Island, closer to average temperatures were observed (with temperatures within 0.5°C of June average.

Sunshine

The frequent northeasterly wind flows during June produced a rather gloomy month overall. Sunshine totals were below normal (between 75 and 90 percent of June normal) in most regions of the country. However, around Franz Josef, Taumarunui, and the Central Plateau, sunshine totals were normal or above normal (ranging between 100 and 120 percent of June normal).

See our June 2011 climate summary

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Percentage of normal rainfall, June 2011.
End of month water balance in the pasture root zone for an average soil type, where the available water capacity is 150 mm.
Departure from average air temperature for June 2011.

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