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Coffs Harbour: weather history since 1943

Coffs Harbour is a weather station located 4 m above sea level, 3 km from Coffs Harbour. Its records go back to 1943: 72 years of temperature are available up to 2025, along with rainfall and a comparison with two reference normals. Over 1991–2020 the annual mean temperature there is 19.1 °C, clearly higher than over 1961–1990 (18.4 °C): a difference of 0.7 °C. The warmest year of the series is 2024 (20.0 °C) and the coldest 1961 (17.4 °C). The last complete year, 2025, ranks 2 out of 72, from warmest to coldest. Over 1961–2025, the annual mean temperature changes by +0.27 °C per decade. The station ranks 35 out of 227 stations, from the fastest rise to the slowest.

Annual mean temperature since 1943

1718192021
194319501960197019801990200020102025
Mean temperature of the year   10-year running mean   1961–1990 normal (18.4 °C)   1991–2020 normal (19.1 °C)

The first ten years of the series (1952–1961) average 18.0 °C; the last ten (2015–2025) average 19.5 °C, a difference of +1.5 °C. Of the ten warmest years in the series, 9 fall after 1999. The warmest is 2024 (20.0 °C). The ten-year running mean peaks at 19.5 °C (2025) and bottoms out at 17.8 °C (1968).

Annual rainfall since 1943

0100020003000
194319501960197019801990200020102025
Rainfall of the year   Series average (1688 mm)

On average 1688 mm of rain falls per year over the 59 documented years. The wettest year, 1963, received 2882 mm; the driest, 1968, only 1071 mm, which is 2.7 times less. The 1991–2020 normal (1695 mm per year) is 18 mm (1.1 %) below the 1961–1990 one (1713 mm). Over 1991–2020, February is on average the wettest month (232 mm) and September the driest (49 mm). Between 1996 and 2021, 9 years out of 20 exceeded the series average.

Monthly normals: 1961–1990 against 1991–2020

The table compares, month by month, the mean temperature and the rainfall total of two thirty-year reference periods. The difference column shows what the recent period changes compared with the earlier one.

Monthly temperature and rainfall normals, 1961–1990 and 1991–2020
MonthTemp. 1961–1990Temp. 1991–2020DifferenceRain 1961–1990Rain 1991–2020Difference
January22.8 °C23.8 °C+1.0 °C187 mm176 mm−11 mm
February22.7 °C23.5 °C+0.8 °C195 mm232 mm+37 mm
March21.7 °C22.3 °C+0.6 °C241 mm224 mm−17 mm
April19.5 °C19.8 °C+0.3 °C215 mm165 mm−50 mm
May16.5 °C16.9 °C+0.4 °C177 mm156 mm−21 mm
June13.8 °C14.7 °C+0.9 °C125 mm117 mm−8 mm
July12.6 °C13.7 °C+1.1 °C63 mm75 mm+12 mm
August13.6 °C14.5 °C+0.9 °C66 mm68 mm+2 mm
September16.2 °C17.1 °C+0.9 °C62 mm49 mm−13 mm
October18.7 °C19.2 °C+0.5 °C103 mm102 mm−1 mm
November20.4 °C21.1 °C+0.7 °C136 mm174 mm+38 mm
December22.1 °C22.6 °C+0.5 °C143 mm157 mm+14 mm

The largest temperature change is in July (+1.1 °C) and the smallest in April (+0.3 °C); over the year the mean difference is +0.7 °C, and 12 months out of twelve are warmer than before. For rainfall, the largest difference is in November (+38 mm) and the smallest in April (−50 mm).

Records at Coffs Harbour

  • Warmest year: 20.0 °C, in 2024
  • Coldest year: 17.4 °C, in 1961
  • Driest year: 1071 mm, in 1968
  • Wettest year: 2882 mm, in 1963
  • Warmest month: 25.8 °C, in January 2019
  • Coldest month: 10.8 °C, in July 1961
  • Wettest month: 782 mm, in March 1974
  • Hottest day: 44.3 °C, on 12 January 2002
  • Coldest day: −4.8 °C, on 18 August 1970
  • Heaviest rain in one day: 404.6 mm, on 28 April 1963

2.6 °C separate the warmest year of the series from the coldest. Between the hottest and the coldest day on record, the range reaches 49.1 °C.

Temperature trend over 1961–2025

The regression line of annual mean temperature changes by +0.27 °C per decade between 1961 and 2025, about +1.7 °C over the whole period. That is faster than the median of the 227 stations (+0.19 °C per decade), by 0.08 °C per decade: the station ranks 35 out of 227.

The last 24 months against the 1991–2020 normal

−4−2024
January 2024December 2025
Warmer than the 1991–2020 normal   Cooler than the 1991–2020 normal

Over the last 24 months (January 2024 to December 2025), 20 months out of 24 were warmer than the 1991–2020 normal for the same month; the mean departure is +0.8 °C. The highest departure was in August 2024 (+2.9 °C); the lowest, in June 2024 (−0.2 °C).

Temperature and rainfall of recent months, compared with the 1991–2020 normals
MonthTemperatureDeparture from normalRainNormal rain
January 202424.7 °C+0.9 °C196 mm176 mm
February 202424.7 °C+1.2 °C149 mm232 mm
March 202422.6 °C+0.3 °C–224 mm
April 202420.7 °C+0.9 °C–165 mm
May 202417.3 °C+0.4 °C183 mm156 mm
June 202414.5 °C−0.2 °C83 mm117 mm
July 202413.6 °C−0.1 °C118 mm75 mm
August 202417.4 °C+2.9 °C29 mm68 mm
September 202417.3 °C+0.2 °C216 mm49 mm
October 202419.5 °C+0.3 °C90 mm102 mm
November 202422.9 °C+1.8 °C–174 mm
December 202424.2 °C+1.6 °C93 mm157 mm
January 202523.9 °C+0.1 °C156 mm176 mm
February 202524.0 °C+0.5 °C83 mm232 mm
March 202523.2 °C+0.9 °C485 mm224 mm
April 202520.7 °C+0.9 °C178 mm165 mm
May 202518.3 °C+1.4 °C532 mm156 mm
June 202514.6 °C−0.1 °C119 mm117 mm
July 202514.2 °C+0.5 °C24 mm75 mm
August 202515.0 °C+0.5 °C–68 mm
September 202518.1 °C+1.0 °C–49 mm
October 202521.3 °C+2.1 °C–102 mm
November 202522.7 °C+1.6 °C–174 mm
December 202522.6 °C0.0 °C–157 mm

Data source and licence

Data source: Bureau of Meteorology (ACORN-SAT) and NOAA NCEI (GHCN-Daily) (dataset “ACORN-SAT v2 daily (homogenised) + GHCN-Daily”), licence CC BY 4.0; Public domain (NOAA NCEI). Last updated: 29 October 2026.

The data for Coffs Harbour are shown as the source publishes them; this site does not correct them. A year is kept only if at least eleven months of measurements are available, and a normal is computed only with at least twenty years of data out of its thirty. Temperatures are rounded to 0.1 °C and rainfall to the millimetre. The station is one of 227 stations in Australia: the overview page lets you compare them.

Frequently asked questions

What is the annual mean temperature at Coffs Harbour?

Over 1991–2020, the annual mean temperature at Coffs Harbour is 19.1 °C. It was 18.4 °C over 1961–1990, a difference of +0.7 °C.

What is the warmest year ever measured at Coffs Harbour?

Since records began in 1943, the warmest year at Coffs Harbour is 2024, at 20.0 °C on average. The coldest is 1961 (17.4 °C).

Is the climate at Coffs Harbour getting warmer?

Yes: at Coffs Harbour, the annual mean temperature rises by 0.27 °C per decade between 1961 and 2025, +1.7 °C in total. 9 of the 10 warmest years in the series fall after 1999.

Towns near this station

Neighbouring stations

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