Leonora is a weather station located 376 m above sea level, 1 km from Leonora. Its records go back to 1907: 49 years of temperature are available up to 2019, along with rainfall and a comparison with two reference normals. Closed series: the records of this station end in 2019. Over 1991–2020 the annual mean temperature there is 21.0 °C, practically the same as over 1961–1990 (20.9 °C). The warmest year of the series is 1998 (22.5 °C) and the coldest 1975 (19.6 °C). The last complete year, 2013, ranks 6 out of 49, from warmest to coldest. Over 1961–2019, the annual mean temperature changes by +0.04 °C per decade. The station ranks 222 out of 227 stations, from the fastest rise to the slowest.
Annual mean temperature since 1907
The first ten years of the series (1957–1967) average 21.3 °C; the last ten (2002–2013) average 21.3 °C, a difference of 0.0 °C. Of the ten warmest years in the series, 2 fall after 1999. The warmest is 1998 (22.5 °C). The ten-year running mean peaks at 21.4 °C (1964) and bottoms out at 20.6 °C (1976).
Annual rainfall since 1907
On average 236 mm of rain falls per year over the 108 documented years. The wettest year, 1975, received 552 mm; the driest, 2019, only 11 mm, which is 50.2 times less. The 1991–2020 normal (276 mm per year) is 42 mm (17.9 %) above the 1961–1990 one (234 mm). Over 1991–2020, February is on average the wettest month (50 mm) and September the driest (8 mm). Between 1995 and 2019, 12 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 | 29.3 °C | 29.4 °C | +0.1 °C | 19 mm | 36 mm | +17 mm |
| February | 28.0 °C | 27.9 °C | −0.1 °C | 32 mm | 50 mm | +18 mm |
| March | 25.7 °C | 24.9 °C | −0.8 °C | 19 mm | 35 mm | +16 mm |
| April | 21.3 °C | 21.4 °C | +0.1 °C | 20 mm | 22 mm | +2 mm |
| May | 16.4 °C | 16.7 °C | +0.3 °C | 30 mm | 17 mm | −13 mm |
| June | 13.2 °C | 13.1 °C | −0.1 °C | 25 mm | 21 mm | −4 mm |
| July | 12.2 °C | 12.6 °C | +0.4 °C | 22 mm | 19 mm | −3 mm |
| August | 13.6 °C | 14.3 °C | +0.7 °C | 16 mm | 15 mm | −1 mm |
| September | 17.3 °C | 17.7 °C | +0.4 °C | 11 mm | 8 mm | −3 mm |
| October | 21.1 °C | 21.8 °C | +0.7 °C | 11 mm | 15 mm | +4 mm |
| November | 24.5 °C | 24.6 °C | +0.1 °C | 13 mm | 17 mm | +4 mm |
| December | 27.8 °C | 27.2 °C | −0.6 °C | 16 mm | 21 mm | +5 mm |
The largest temperature change is in August (+0.7 °C) and the smallest in March (−0.8 °C); over the year the mean difference is +0.1 °C, and 8 months out of twelve are warmer than before. For rainfall, the largest difference is in February (+18 mm) and the smallest in May (−13 mm).
Records at Leonora
- Warmest year: 22.5 °C, in 1998
- Coldest year: 19.6 °C, in 1975
- Driest year: 11 mm, in 2019
- Wettest year: 552 mm, in 1975
- Warmest month: 32.1 °C, in January 2001
- Coldest month: 10.0 °C, in July 1986
- Wettest month: 285 mm, in February 1995
- Hottest day: 49.0 °C, on 9 January 2013
- Coldest day: −2.8 °C, on 23 June 1981
- Heaviest rain in one day: 109.2 mm, on 23 January 2014
2.9 °C separate the warmest year of the series from the coldest. Between the hottest and the coldest day on record, the range reaches 51.8 °C.
Temperature trend over 1961–2019
The regression line of annual mean temperature changes by +0.04 °C per decade between 1961 and 2019, about +0.2 °C over the whole period. That is slower than the median of the 227 stations (+0.19 °C per decade), by 0.15 °C per decade: the station ranks 222 out of 227.
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 Leonora 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 Leonora?
Over 1991–2020, the annual mean temperature at Leonora is 21.0 °C. It was 20.9 °C over 1961–1990, a difference of +0.1 °C.
What is the warmest year ever measured at Leonora?
Since records began in 1907, the warmest year at Leonora is 1998, at 22.5 °C on average. The coldest is 1975 (19.6 °C).
Is the climate at Leonora getting warmer?
The rise is not clear at Leonora: the trend is +0.04 °C per decade between 1961 and 2019, +0.2 °C in total over the period.
Towns near this station
Neighbouring stations