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Timaru weather in December

Long-run climate averages for Timaru, New Zealand in December, plus what the forecast models say for the days ahead.

December at a glance

In December, Timaru averages 19°C by day and 10°C at night. It is the wettest month of the year here.

December in Timaru averages a daytime high of 19°C and an overnight low of 10°C, which reads as mild for this part of the world. It is also the wettest month, so build rain into any plan. Across the whole year Timaru sees roughly 666 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 Timaru forecast with every model compared and how much they currently agree.

Timaru weather by month

what to expect in Timaru through the year, 1991-2020 averages

Here is Timaru'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 Timaru by season.

Jan
20°
12°
Mild
Feb
20°
11°
Mild
Mar
19°
9°
Mild
Apr
16°
7°
Mild
May
14°
5°
Cool
Jun
10°
2°
Cool
Jul
10°
0°
Cool
Aug
12°
1°
Cool
Sep
14°
4°
Cool
Oct
15°
5°
Mild
Nov
17°
8°
Mild
Dec
19°
10°
Mild
Wettest

Bottom line: over the last 30 days the American model has been the most accurate forecast for Timaru, scoring 85/100 on our CheckWeather Score, ahead of the European at 80. See the full NZ accuracy scoreboard for exactly how every model is tested.

Common questions

How warm is Timaru in December?
Timaru averages a daytime high of 19°C in December, with overnight lows around 10°C. These are long-run climate averages, not a forecast - for the actual days ahead see the live model comparison.
Is December a good time to visit Timaru?
The most comfortable time to visit Timaru is usually January, February, March and April, when daytime highs sit in the pleasant 16-26°C range and the heaviest December rain is behind you.
Does it rain a lot in Timaru in December?
December is the wettest month of the year in Timaru, out of roughly 666 mm of precipitation across the year.

Climate averages from ERA5 reanalysis. Model accuracy re-scored over a rolling 30 days. Page updated .

Timaru in other months

More about Timaru