Cool
Average highs are around 15°C, so pack for cooler days.
May verdict
Poor for holiday weather
Average highs are around 15°C, so pack for cooler days. Sunshine averages 5.1h per day, enough for a balanced month. Rainfall averages 128mm, so some wet days are possible.
Monthly averages
Temp
15°C
Rain
128mm
Sun
5.1h
Sea
16°C
Weather score
23
Poor
Cool
Average highs are around 15°C, so pack for cooler days.
Showers
Rainfall averages 128mm, so some wet days are possible.
Some sun
Sunshine averages 5.1h per day, enough for a balanced month.
Cool sea
Sea temperatures average 16°C, so the water can feel cool.
Map
Compare Nelson (New Zealand), New Zealand with nearby places by weather score, rain, sun, temperature, and swim conditions.
May15°C average high
May is on the cooler side of Nelson (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.
May128mm average rain
May is one of Nelson (New Zealand)'s wettest months, so rain is likely to be a major planning factor.
Driest monthsJanuary to February and December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
May5.1 hours average sun
May is below Nelson (New Zealand)'s yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsJanuary to February and December
This stretch has the strongest sunshine in the monthly averages.
May16°C average sea
May is close to Nelson (New Zealand)'s yearly sea-temperature average, so swimming comfort is fairly typical.
Warmest seaJanuary to March and December
Sea temperatures are usually near 19°C in this stretch, so swimming comfort is at its strongest.
May23 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.