Mild
Average highs are around 22°C, so days are mild rather than hot.
January verdict
Mixed for holiday weather
Average highs are around 22°C, so days are mild rather than hot. Sunshine averages 7.7h per day, enough for a balanced month. Rainfall averages 105mm, so some wet days are possible.
Monthly averages
Temp
22°C
Rain
105mm
Sun
7.7h
Sea
16°C
Weather score
47
Mixed
Mild
Average highs are around 22°C, so days are mild rather than hot.
Showers
Rainfall averages 105mm, so some wet days are possible.
Some sun
Sunshine averages 7.7h per day, enough for a balanced month.
Cool sea
Sea temperatures average 16°C, so the water can feel cool.
Map
Compare Marlborough Sounds, New Zealand with nearby places by weather score, rain, sun, temperature, and swim conditions.
January22°C average high
January is one of Marlborough Sounds' warmest months, with daytime heat above the yearly average.
Warmest monthsJanuary to March and December
This stretch sets the upper range for average daytime heat.
January105mm average rain
January sits near Marlborough Sounds' yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to March
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
January7.7 hours average sun
January is one of Marlborough Sounds' sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsJanuary to February and November to December
This stretch has the strongest sunshine in the monthly averages.
January16°C average sea
January sits in the warmer sea-temperature season, usually making swimming easier to enjoy.
Warmest seaJanuary to March
Sea temperatures are usually near 16°C in this stretch, so swimming comfort is at its strongest.
January47 weather score
January is one of Marlborough Sounds' best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsJanuary to February
These months have the strongest weather score in the monthly averages.