Climate averages 1991–2020

Coffs Harbour weather
in December.

A warm, wet month: the 3rd warmest and the 9th driest of the year.

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

Average high 25.7°C Daytime mean, December
Average low 19.5°C Night-time mean, December
Rainfall 150 mm 16 days with ≥1 mm
Daylight 14 h Sunrise to sunset, per day
Every month in Coffs Harbour · average highYear overview

December is a warm month in Coffs Harbour: daytime highs average 25.7°C and nights cool to about 19.5°C. By daytime temperature it is the 3rd warmest of the 12 months.

Expect about 150 mm of rain on roughly 16 days, which makes December a wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 03 min on an average December day.

The nearest other city in this atlas is Gold Coast (257 km away). In December its highs average 26.1°C, about as warm as Coffs Harbour, with 109 mm of rain.

Among the 32 cities listed in Australia, Coffs Harbour ranks 18th of 32 for the warmest December highs and 31st of 32 for the driest December (rainfall, lowest first). The mean December high of those 32 cities is 26.0°C; Coffs Harbour is 0.2°C cooler than that mean.

From December to January, average highs rise by 0.8°C to 26.5°C, and monthly rainfall rises from 150 mm to 160 mm.

The annual picture

December 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. 51015202530 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 2000

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

Every month, side by side

Coffs Harbour climate table

1991–2020
Monthly climate averages for Coffs Harbour, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 26.5°C20.8°C20.8°C16015.513.914 h
February 26.0°C20.8°C20.8°C16616.013.213 h
March 24.6°C19.6°C19.6°C16317.812.312 h
April 22.4°C17.3°C17.3°C7812.411.411 h
May 19.9°C14.8°C14.8°C749.110.611 h
June 17.9°C12.7°C12.7°C817.410.210 h
July 17.5°C11.5°C11.5°C365.710.410 h
August 19.0°C11.7°C11.7°C455.211.011 h
September 21.5°C13.7°C13.7°C436.711.912 h
October 23.1°C15.8°C15.8°C8810.512.813 h
November 24.5°C17.8°C17.8°C13114.113.614 h
December, selected 25.7°C19.5°C19.5°C15015.814.114 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

December in nearby cities

Distance from Coffs Harbour

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 Coffs Harbour) is explained once on the Coffs Harbour year overview and on the Sources, method and limits page.