Cool
Average highs are around 20°C, so pack for cooler days.
January verdict
Chatham Islands, New Zealand in January
Weather score51Mixed
Mixed for holiday weather
Average highs are around 20°C, so pack for cooler days. Sunshine averages 0h per day, so this is not one of the brighter months. Rainfall averages 60mm, which is relatively low for holiday planning.
January weather
Monthly averages
Temp
20°C
Rain
60mm
Sun
0h
Sea
15°C
Weather score
51
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 60mm, which is relatively low for holiday planning.
Limited sun
Sunshine averages 0h per day, so this is not one of the brighter months.
Cool sea
Sea temperatures average 15°C, so the water can feel cool.
Map
Weather map
Compare Chatham Islands, New Zealand with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
January20°C average high
January is one of Chatham Islands' hottest months, so shade and slower afternoons matter.
Warmest monthsJanuary to March
This stretch sets the upper range for average daytime heat.
Rain
January60mm average rain
January is one of Chatham Islands' driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsJanuary to May and July to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
January0 hours average sun
January is close to Chatham Islands' usual sunshine level, with limited seasonal swing across the year.
Brightest monthsAll year
Sunshine stays consistently strong through the year.
Sea temperature
January15°C average sea
January sits in the warmer sea-temperature season, usually making swimming easier to enjoy.
Warmest seaJanuary to April
Sea temperatures are usually near 15°C in this stretch, so swimming comfort is at its strongest.
Weather score
January51 weather score
January is one of Chatham Islands' best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsJanuary to February and December
These months have the strongest weather score in the monthly averages.