Bairnsdale Airport is a weather station located 49 m above sea level, 7 km from Bairnsdale. Its records go back to 1943: 42 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 14.4 °C; the 1961–1990 period is not documented well enough to compare. The warmest year of the series is 2025 (15.3 °C) and the coldest 1945 (13.3 °C). The last complete year, 2025, ranks 1 out of 42, from warmest to coldest. Over 1961–2025, the annual mean temperature changes by +0.26 °C per decade. The station ranks 39 out of 227 stations, from the fastest rise to the slowest.
Annual mean temperature since 1943
The first ten years of the series (1944–1991) average 14.0 °C; the last ten (2016–2025) average 14.8 °C, a difference of +0.8 °C. Of the ten warmest years in the series, 9 fall after 1999. The warmest is 2025 (15.3 °C). The ten-year running mean peaks at 14.8 °C (2025) and bottoms out at 14.0 °C (2001).
Annual rainfall since 1943
On average 642 mm of rain falls per year over the 44 documented years. The wettest year, 2021, received 940 mm; the driest, 2006, only 394 mm, which is 2.4 times less. Over 1991–2020, June is on average the wettest month (71 mm) and May the driest (34 mm). Between 2006 and 2025, 9 years out of 20 exceeded the series average.
Records at Bairnsdale Airport
- Warmest year: 15.3 °C, in 2025
- Coldest year: 13.3 °C, in 1945
- Driest year: 394 mm, in 2006
- Wettest year: 940 mm, in 2021
- Warmest month: 22.2 °C, in February 2000
- Coldest month: 8.1 °C, in August 1943
- Wettest month: 334 mm, in June 2007
- Hottest day: 46.2 °C, on 7 February 2009
- Coldest day: −5.4 °C, on 2 July 2017
- Heaviest rain in one day: 109.4 mm, on 24 June 1998
2.0 °C separate the warmest year of the series from the coldest. Between the hottest and the coldest day on record, the range reaches 51.6 °C.
Temperature trend over 1961–2025
The regression line of annual mean temperature changes by +0.26 °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 0.07 °C per decade: the station ranks 39 out of 227.
The last 24 months against the 1991–2020 normal
Over the last 24 months (October 2024 to September 2026), 19 months out of 23 were warmer than the 1991–2020 normal for the same month; the mean departure is +0.7 °C. The highest departure was in November 2024 (+2.1 °C); the lowest, in December 2025 (−0.8 °C). The last twelve months add up to 612 mm of rain, which is 97 % of the 1991–2020 annual normal (631 mm).
| Month | Temperature | Departure from normal | Rain | Normal rain |
|---|---|---|---|---|
| October 2024 | 14.1 °C | +0.2 °C | 29 mm | 59 mm |
| November 2024 | 18.1 °C | +2.1 °C | 40 mm | 71 mm |
| December 2024 | 19.6 °C | +1.9 °C | 30 mm | 61 mm |
| January 2025 | 19.9 °C | +0.1 °C | 55 mm | 53 mm |
| February 2025 | 20.6 °C | +1.1 °C | 85 mm | 54 mm |
| March 2025 | 19.1 °C | +1.4 °C | 59 mm | 46 mm |
| April 2025 | 16.5 °C | +1.7 °C | 43 mm | 53 mm |
| May 2025 | 12.4 °C | +0.2 °C | 21 mm | 34 mm |
| June 2025 | – | – | 50 mm | 71 mm |
| July 2025 | 9.9 °C | +0.4 °C | 74 mm | 46 mm |
| August 2025 | 9.9 °C | −0.3 °C | 21 mm | 36 mm |
| September 2025 | 13.1 °C | +1.2 °C | 8 mm | 47 mm |
| October 2025 | 14.3 °C | +0.4 °C | 47 mm | 59 mm |
| November 2025 | 15.6 °C | −0.4 °C | 139 mm | 71 mm |
| December 2025 | 16.9 °C | −0.8 °C | 48 mm | 61 mm |
| January 2026 | 19.9 °C | +0.1 °C | 43 mm | 53 mm |
| February 2026 | 19.5 °C | 0.0 °C | 64 mm | 54 mm |
| March 2026 | 18.3 °C | +0.6 °C | 81 mm | 46 mm |
| April 2026 | 15.3 °C | +0.5 °C | 5 mm | 53 mm |
| May 2026 | 13.5 °C | +1.3 °C | 55 mm | 34 mm |
| June 2026 | 11.7 °C | +1.7 °C | 49 mm | 71 mm |
| July 2026 | 9.8 °C | +0.3 °C | 20 mm | 46 mm |
| August 2026 | 10.6 °C | +0.4 °C | 40 mm | 36 mm |
| September 2026 | 13.4 °C | +1.5 °C | 21 mm | 47 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 Bairnsdale Airport 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 Bairnsdale Airport?
Over 1991–2020, the annual mean temperature at Bairnsdale Airport is 14.4 °C.
What is the warmest year ever measured at Bairnsdale Airport?
Since records began in 1943, the warmest year at Bairnsdale Airport is 2025, at 15.3 °C on average. The coldest is 1945 (13.3 °C).
Is the climate at Bairnsdale Airport getting warmer?
Yes: at Bairnsdale Airport, the annual mean temperature rises by 0.26 °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