New Plymouth weather in December
Long-run climate averages for New Plymouth, New Zealand in December, plus what the forecast models say for the days ahead.
In December, New Plymouth averages 19°C by day and 13°C at night. The wettest month is usually October.
December in New Plymouth averages a daytime high of 19°C and an overnight low of 13°C, which reads as mild for this part of the world. Across the whole year New Plymouth sees roughly 2629 mm of precipitation.
Climate averages tell you what to pack. They do not tell you what next Tuesday looks like - for that, see the live New Plymouth forecast with every model compared and how much they currently agree.
New Plymouth weather by month
what to expect in New Plymouth through the year, 1991-2020 averagesHere is New Plymouth's typical weather in each month: the average daytime high and overnight low in °C, how each month feels, and the wettest month marked. Use it to plan any trip to New Plymouth by season.
Bottom line: over the last 30 days the German model has been the most accurate forecast for New Plymouth, scoring 81/100 on our CheckWeather Score, ahead of the European at 76. See the full NZ accuracy scoreboard for exactly how every model is tested.
Common questions
How warm is New Plymouth in December?
Is December a good time to visit New Plymouth?
Does it rain a lot in New Plymouth in December?
Climate averages from ERA5 reanalysis. Model accuracy re-scored over a rolling 30 days. Page updated .