Climate averages 1991–2020

Auckland weather
in January.

A warm, moderately wet month: the 2nd warmest and the 2nd driest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 22.0°C Daytime mean, January
Average low 16.4°C Night-time mean, January
Rainfall 68 mm 9 days with ≥1 mm
Daylight 14 h Sunrise to sunset, per day
Every month in Auckland · average highYear overview

January is a warm month in Auckland: daytime highs average 22.0°C and nights cool to about 16.4°C. By daytime temperature it is the 2nd warmest of the 12 months.

Expect about 68 mm of rain on roughly 9 days, which makes January a moderately wet month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 22 min on an average January day.

The nearest other city in this atlas is Manukau City (19 km away). In January its highs average 22.2°C, about as warm as Auckland, with 65 mm of rain.

Among the 11 cities listed in New Zealand, Auckland ranks joint 4th of 11 for the warmest January highs and 6th of 11 for the driest January (rainfall, lowest first). The mean January high of those 11 cities is 20.8°C; Auckland is 1.2°C warmer than that mean.

From January to February, average highs rise by 0.7°C to 22.6°C, and monthly rainfall falls from 68 mm to 65 mm.

The annual picture

January in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. 510152025 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly rainfall

Average total · mm
Average monthly rainfall totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 1500

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Auckland climate table

1991–2020
Monthly climate averages for Auckland, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January, selected 22.0°C16.4°C16.4°C688.714.414 h
February 22.6°C17.1°C17.1°C658.013.513 h
March 21.1°C15.8°C15.8°C698.612.312 h
April 18.9°C14.0°C14.0°C759.511.211 h
May 16.5°C12.1°C12.1°C9611.510.210 h
June 14.4°C10.2°C10.2°C10111.89.710 h
July 13.6°C9.1°C9.1°C11414.09.910 h
August 13.8°C9.1°C9.1°C10414.610.711 h
September 15.0°C10.0°C10.0°C9313.611.812 h
October 16.4°C11.3°C11.3°C7711.913.013 h
November 18.0°C12.8°C12.8°C7410.814.114 h
December 20.2°C15.0°C15.0°C9211.014.615 h

Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.

Compare places

January in nearby cities

Distance from Auckland

Read the numbers correctly

Climate, not a promise.

These patterns help compare months. They cannot tell you the weather on a specific day of your trip.

Sources, method and limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Auckland) is explained once on the Auckland year overview and on the Sources, method and limits page.