Kalbarri is a weather station located 6 m above sea level, 0 km from Kalbarri. Its records go back to 1971: 43 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 21.4 °C; the 1961–1990 period is not documented well enough to compare. The warmest year of the series is 2011 (22.6 °C) and the coldest 1971 (19.4 °C). The last complete year, 2021, ranks 15 out of 43, from warmest to coldest. Over 1971–2025, the annual mean temperature changes by +0.25 °C per decade. The station ranks 59 out of 227 stations, from the fastest rise to the slowest.
Annual mean temperature since 1971
The first ten years of the series (1971–1982) average 20.9 °C; the last ten (2008–2021) average 21.8 °C, a difference of +0.9 °C. Of the ten warmest years in the series, 7 fall after 1999. The warmest is 2011 (22.6 °C). The ten-year running mean peaks at 21.9 °C (2016) and bottoms out at 20.7 °C (1993).
Annual rainfall since 1971
On average 348 mm of rain falls per year over the 54 documented years. The wettest year, 2024, received 718 mm; the driest, 2006, only 147 mm, which is 4.9 times less. The 1991–2020 normal (315 mm per year) is 59 mm (15.9 %) below the 1961–1990 one (374 mm). Over 1991–2020, July is on average the wettest month (69 mm) and January the driest (4 mm). Between 2005 and 2025, 8 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.
| Month | Temp. 1961–1990 | Temp. 1991–2020 | Difference | Rain 1961–1990 | Rain 1991–2020 | Difference |
|---|---|---|---|---|---|---|
| January | – | 26.4 °C | – | 7 mm | 4 mm | −3 mm |
| February | – | 27.6 °C | – | 8 mm | 8 mm | 0 mm |
| March | 26.0 °C | 26.0 °C | 0.0 °C | – | 10 mm | – |
| April | – | 23.3 °C | – | 19 mm | 18 mm | −1 mm |
| May | 19.2 °C | 19.9 °C | +0.7 °C | 64 mm | 46 mm | −18 mm |
| June | – | 17.3 °C | – | 95 mm | 67 mm | −28 mm |
| July | – | 16.1 °C | – | – | 69 mm | – |
| August | – | 16.5 °C | – | – | 46 mm | – |
| September | – | 17.6 °C | – | 23 mm | 23 mm | 0 mm |
| October | 19.0 °C | 19.7 °C | +0.7 °C | 16 mm | 12 mm | −4 mm |
| November | 21.2 °C | 22.1 °C | +0.9 °C | 6 mm | 7 mm | +1 mm |
| December | – | 24.8 °C | – | 2 mm | 5 mm | +3 mm |
Records at Kalbarri
- Warmest year: 22.6 °C, in 2011
- Coldest year: 19.4 °C, in 1971
- Driest year: 147 mm, in 2006
- Wettest year: 718 mm, in 2024
- Warmest month: 30.3 °C, in February 2011
- Coldest month: 13.9 °C, in July 1986
- Wettest month: 317 mm, in June 2024
- Hottest day: 48.3 °C, on 20 January 2025
- Coldest day: −1.3 °C, on 24 July 1979
- Heaviest rain in one day: 145.2 mm, on 27 May 1999
3.2 °C separate the warmest year of the series from the coldest. Between the hottest and the coldest day on record, the range reaches 49.6 °C.
Temperature trend over 1971–2025
The regression line of annual mean temperature changes by +0.25 °C per decade between 1971 and 2025, about +1.4 °C over the whole period. That is faster than the median of the 227 stations (+0.19 °C per decade), by 0.06 °C per decade: the station ranks 59 out of 227.
The last 24 months against the 1991–2020 normal
Over the last 24 months (October 2024 to September 2026), 9 months out of 16 were warmer than the 1991–2020 normal for the same month; the mean departure is +0.2 °C. The highest departure was in January 2025 (+1.7 °C); the lowest, in July 2025 (−1.1 °C). The last twelve months add up to 349 mm of rain, which is 111 % of the 1991–2020 annual normal (315 mm).
| Month | Temperature | Departure from normal | Rain | Normal rain |
|---|---|---|---|---|
| October 2024 | 20.4 °C | +0.7 °C | 32 mm | 12 mm |
| November 2024 | – | – | 24 mm | 7 mm |
| December 2024 | – | – | 0 mm | 5 mm |
| January 2025 | 28.1 °C | +1.7 °C | 1 mm | 4 mm |
| February 2025 | 26.6 °C | −1.0 °C | 0 mm | 8 mm |
| March 2025 | – | – | 0 mm | 10 mm |
| April 2025 | 24.6 °C | +1.3 °C | 9 mm | 18 mm |
| May 2025 | – | – | 32 mm | 46 mm |
| June 2025 | – | – | 78 mm | 67 mm |
| July 2025 | 15.0 °C | −1.1 °C | 111 mm | 69 mm |
| August 2025 | 17.0 °C | +0.5 °C | 109 mm | 46 mm |
| September 2025 | – | – | 24 mm | 23 mm |
| October 2025 | 18.7 °C | −1.0 °C | 1 mm | 12 mm |
| November 2025 | – | – | 12 mm | 7 mm |
| December 2025 | – | – | 0 mm | 5 mm |
| January 2026 | 27.2 °C | +0.8 °C | 0 mm | 4 mm |
| February 2026 | 27.6 °C | 0.0 °C | 57 mm | 8 mm |
| March 2026 | 26.8 °C | +0.8 °C | 28 mm | 10 mm |
| April 2026 | 22.8 °C | −0.5 °C | 2 mm | 18 mm |
| May 2026 | 19.1 °C | −0.8 °C | 39 mm | 46 mm |
| June 2026 | 17.2 °C | −0.1 °C | 146 mm | 67 mm |
| July 2026 | 17.2 °C | +1.1 °C | 36 mm | 69 mm |
| August 2026 | 16.8 °C | +0.3 °C | 18 mm | 46 mm |
| September 2026 | 17.8 °C | +0.2 °C | 10 mm | 23 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 Kalbarri 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 Kalbarri?
Over 1991–2020, the annual mean temperature at Kalbarri is 21.4 °C.
What is the warmest year ever measured at Kalbarri?
Since records began in 1971, the warmest year at Kalbarri is 2011, at 22.6 °C on average. The coldest is 1971 (19.4 °C).
Is the climate at Kalbarri getting warmer?
Yes: at Kalbarri, the annual mean temperature rises by 0.25 °C per decade between 1971 and 2025, +1.4 °C in total. 7 of the 10 warmest years in the series fall after 1999.
Towns near this station
Neighbouring stations