Rolleston weather in January
Long-run climate averages for Rolleston, New Zealand in January, plus what the forecast models say for the days ahead.
In January, Rolleston averages 22°C by day and 13°C at night. The wettest month is usually August.
January in Rolleston averages a daytime high of 22°C and an overnight low of 13°C, which reads as warm for this part of the world. It is the warmest month of the year here. Across the whole year Rolleston sees roughly 673 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 Rolleston forecast with every model compared and how much they currently agree.
Rolleston weather by month
what to expect in Rolleston through the year, 1991-2020 averagesHere is Rolleston'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 Rolleston by season.
Bottom line: over the last 30 days the German model has been the most accurate forecast for Rolleston, scoring 88/100 on our CheckWeather Score, ahead of the American at 86. See the full NZ accuracy scoreboard for exactly how every model is tested.
Common questions
How warm is Rolleston in January?
Is January a good time to visit Rolleston?
Does it rain a lot in Rolleston in January?
Climate averages from ERA5 reanalysis. Model accuracy re-scored over a rolling 30 days. Page updated .