Cool
Average highs are around 13°C, so pack for cooler days.
Weather Guide
Nelson (New Zealand), New Zealand Average Monthly Weather
Weather score34Poor annual avg
Best months: February, January, December
Across the year, average daytime temperatures are around 17°C, sunshine averages 6.3h per day, and rainfall totals about 1360mm. Sea temperatures average 16°C across the year.
Annual weather
Annual averages
Temp
17°C
Rain
1360mm
Annual total
Sun
6.3h
Sea
16°C
Weather score
34
Poor avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 133mm, so some wet days are possible.
Some sun
Sunshine averages 5.1h per day, enough for a balanced month.
Cool sea
Sea temperatures average 12°C, so the water can feel cool.
Map
Weather map
Compare Nelson (New Zealand), New Zealand with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August13°C average high
August has some of the coolest average daytime highs of the year, so pack for fresher conditions.
Warmest monthsJanuary to March and December
This stretch sets the upper range for average daytime heat.
Rain
August133mm average rain
August 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.
Sun
August5.1 hours average sun
August 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.
Sea temperature
August12°C average sea
August is one of the coolest sea months, so the water may feel fresher than in peak months.
Warmest seaJanuary to March and December
Sea temperatures are usually near 19°C in this stretch, so swimming comfort is at its strongest.
Weather score
August22 weather score
August 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.