Cool
Average highs are around 18°C, so pack for cooler days.
January verdict
Arthur's Pass National Park, New Zealand in January
Weather score21Poor
Poor for holiday weather
Average highs are around 18°C, so pack for cooler days. Sunshine averages 6.7h per day, enough for a balanced month. Rainfall averages 257mm, so showers are a real planning factor.
January weather
Monthly averages
Temp
18°C
Rain
257mm
Sun
6.7h
Sea
17°C
Weather score
21
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 257mm, so showers are a real planning factor.
Some sun
Sunshine averages 6.7h per day, enough for a balanced month.
Cool sea
Sea temperatures average 17°C, so the water can feel cool.
Map
Weather map
Compare Arthur's Pass National Park, New Zealand with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
January18°C average high
January is one of Arthur's Pass National Park's hottest months, so shade and slower afternoons matter.
Warmest monthsJanuary to March and December
This stretch sets the upper range for average daytime heat.
Rain
January257mm average rain
January is wetter than Arthur's Pass National Park's yearly average, so flexible plans matter more.
Driest monthsFebruary to March and June
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
January6.7 hours average sun
January is one of Arthur's Pass National Park's 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.
Sea temperature
January17°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 17°C in this stretch, so swimming comfort is at its strongest.
Weather score
January21 weather score
January sits close to Arthur's Pass National Park's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJanuary to March
These months have the strongest weather score in the monthly averages.