Cool
Average highs are around 15°C, so pack for cooler days.
May verdict
Blenheim (New Zealand), New Zealand in May
Weather score26Poor
Poor for holiday weather
Average highs are around 15°C, so pack for cooler days. Sunshine averages 4.8h per day, so this is not one of the brighter months. Rainfall averages 82mm, so some wet days are possible.
May weather
Monthly averages
Temp
15°C
Rain
82mm
Sun
4.8h
Sea
14°C
Weather score
26
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 82mm, so some wet days are possible.
Limited sun
Sunshine averages 4.8h per day, so this is not one of the brighter months.
Cool sea
Sea temperatures average 14°C, so the water can feel cool.
Map
Weather map
Compare Blenheim (New Zealand), New Zealand with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
May15°C average high
May is on the cooler side of Blenheim (New Zealand)'s year, useful if you prefer less intense daytime heat.
Warmest monthsJanuary to March and December
This stretch sets the upper range for average daytime heat.
Rain
May82mm average rain
May is wetter than Blenheim (New Zealand)'s yearly average, so flexible plans matter more.
Driest monthsJanuary to March and November to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
May4.8 hours average sun
May is below Blenheim (New Zealand)'s yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsJanuary to February and November to December
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
May14°C average sea
May is close to Blenheim (New Zealand)'s yearly sea-temperature average, so swimming comfort is fairly typical.
Warmest seaJanuary to March
Sea temperatures are usually near 16°C in this stretch, so swimming comfort is at its strongest.
Weather score
May26 weather score
May is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsJanuary to February
These months have the strongest weather score in the monthly averages.