Blenheim weather in May
Long-run climate averages for Blenheim, New Zealand in May, plus what the forecast models say for the days ahead.
In May, Blenheim averages 16°C by day and 6°C at night. The wettest month is usually June.
May in Blenheim averages a daytime high of 16°C and an overnight low of 6°C, which reads as mild for this part of the world. Across the whole year Blenheim sees roughly 781 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 Blenheim forecast with every model compared and how much they currently agree.
Blenheim weather by month
what to expect in Blenheim through the yearHere is Blenheim'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 Blenheim by season.
Bottom line: over the last 30 days the European model has been the most accurate forecast for Blenheim, scoring 94/100 on our CheckWeather Score, ahead of the American at 84. See the full NZ accuracy scoreboard for exactly how every model is tested.
Common questions
How warm is Blenheim in May?
Is May a good time to visit Blenheim?
Does it rain a lot in Blenheim in May?
Climate averages from ERA5 reanalysis. Model accuracy re-scored over a rolling 30 days. Page updated .