Masterton weather in May
Long-run climate averages for Masterton, New Zealand in May, plus what the forecast models say for the days ahead.
In May, Masterton averages 15°C by day and 7°C at night. The wettest month is usually February.
May in Masterton averages a daytime high of 15°C and an overnight low of 7°C, which reads as mild for this part of the world. Across the whole year Masterton sees roughly 1200 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 Masterton forecast with every model compared and how much they currently agree.
Masterton weather by month
what to expect in Masterton through the yearHere is Masterton'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 Masterton by season.
Bottom line: over the last 30 days the European model has been the most accurate forecast for Masterton, scoring 91/100 on our CheckWeather Score, ahead of the American at 80. See the full NZ accuracy scoreboard for exactly how every model is tested.
Common questions
How warm is Masterton in May?
Is May a good time to visit Masterton?
Does it rain a lot in Masterton in May?
Climate averages from ERA5 reanalysis. Model accuracy re-scored over a rolling 30 days. Page updated .