Climate in New Plymouth

New Plymouth, New Zealand has a oceanic climate. The annual average temperature is about 17.8°C and the city receives roughly 1100 mm of precipitation across 184 rainy days a year, with around 731 hours of sunshine. The warmest month is Jan (highs near 25.7°C) and the coldest is Jul (lows near 9.8°C). These are deterministic, latitude- and region-based planning estimates — not a forecast or measured station data; check current conditions with an official meteorological service before travel.

Data year 2025; last updated 2026-05-16.

New Plymouth is classified as Oceanic. This reflects its annual temperature range and the seasonal pattern of its rainfall.

New Plymouth receives about 1100 mm of precipitation a year over roughly 184 rainy days. The wettest month is Jun and the driest is Dec.

New Plymouth sees an estimated 731 hours of sunshine a year, concentrated in the warmer months around Jan.

By temperature and rainfall, the most comfortable months in New Plymouth are Nov, Dec, Oct. Conditions vary year to year — verify with a current forecast before booking.

New Plymouth has a climate comfort score of 82/100, a very comfortable year-round climate by this measure. The score weights mild temperatures most, then rainfall balance, sunshine, low seasonality, and the absence of extreme winter cold or summer heat.