Mild
Average highs are around 21°C, so days are mild rather than hot.
December verdict
Christchurch, New Zealand in December
Weather score46Mixed
Mixed for holiday weather
Average highs are around 21°C, so days are mild rather than hot. Sunshine averages 6.9h per day, enough for a balanced month. Rainfall averages 46mm, which is relatively low for holiday planning.
December weather
Monthly averages
Temp
21°C
Rain
46mm
Sun
6.9h
Sea
15°C
Weather score
46
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 46mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 6.9h per day, enough for a balanced month.
Cool sea
Sea temperatures average 15°C, so the water can feel cool.
Map
Weather map
Compare Christchurch, New Zealand with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
December21°C average high
December sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsJanuary to March and December
This stretch sets the upper range for average daytime heat.
Rain
December46mm average rain
December sits on the drier side of Christchurch's year, which helps with sightseeing and transfers.
Driest monthsJanuary to June and August to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
December6.9 hours average sun
December is one of Christchurch's sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsJanuary to February and October to December
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
December15°C average sea
December sits in the warmer sea-temperature season, usually making swimming easier to enjoy.
Warmest seaJanuary to March and December
Sea temperatures are usually near 17°C in this stretch, so swimming comfort is at its strongest.
Weather score
December46 weather score
December scores above Christchurch's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsJanuary to February and December
These months have the strongest weather score in the monthly averages.