Inverell is a weather station located 582 m above sea level, 1 km from Inverell. Its records go back to 1910: 107 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 15.9 °C, noticeably higher than over 1961–1990 (15.2 °C): a difference of 0.7 °C. The warmest year of the series is 2018 (17.7 °C) and the coldest 1917 (13.5 °C). The last complete year, 2025, ranks 4 out of 107, from warmest to coldest. Over 1961–2025, the annual mean temperature changes by +0.24 °C per decade. The station ranks 64 out of 227 stations, from the fastest rise to the slowest.
Annual mean temperature since 1910
The first ten years of the series (1910–1919) average 14.6 °C; the last ten (2015–2025) average 16.4 °C, a difference of +1.8 °C. Of the ten warmest years in the series, 8 fall after 1999. The warmest is 2018 (17.7 °C). The ten-year running mean peaks at 16.5 °C (2025) and bottoms out at 14.4 °C (1918).
Annual rainfall since 1910
On average 788 mm of rain falls per year over the 30 documented years. The wettest year, 2021, received 1254 mm; the driest, 2019, only 241 mm, which is 5.2 times less. Over 1991–2020, December is on average the wettest month (112 mm) and April the driest (35 mm). Between 2006 and 2025, 11 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 | 21.9 °C | 23.1 °C | +1.2 °C | – | 94 mm | – |
| February | 21.9 °C | 22.5 °C | +0.6 °C | – | 81 mm | – |
| March | 19.8 °C | 20.2 °C | +0.4 °C | – | 76 mm | – |
| April | 16.0 °C | 16.2 °C | +0.2 °C | – | 35 mm | – |
| May | 12.0 °C | 12.0 °C | 0.0 °C | – | 36 mm | – |
| June | 8.8 °C | 9.2 °C | +0.4 °C | – | 48 mm | – |
| July | 7.5 °C | 8.3 °C | +0.8 °C | – | 41 mm | – |
| August | 8.6 °C | 9.2 °C | +0.6 °C | – | 36 mm | – |
| September | 11.7 °C | 12.7 °C | +1.0 °C | – | 50 mm | – |
| October | 15.4 °C | 16.4 °C | +1.0 °C | – | 69 mm | – |
| November | 18.2 °C | 19.3 °C | +1.1 °C | – | 96 mm | – |
| December | 20.9 °C | 21.6 °C | +0.7 °C | – | 112 mm | – |
The largest temperature change is in January (+1.2 °C) and the smallest in May (0.0 °C); over the year the mean difference is +0.7 °C, and 11 months out of twelve are warmer than before.
Records at Inverell
- Warmest year: 17.7 °C, in 2018
- Coldest year: 13.5 °C, in 1917
- Driest year: 241 mm, in 2019
- Wettest year: 1254 mm, in 2021
- Warmest month: 26.4 °C, in January 2020
- Coldest month: 4.2 °C, in July 1929
- Wettest month: 271 mm, in March 2021
- Hottest day: 41.9 °C, on 3 January 2014
- Coldest day: −12.1 °C, on 12 July 1918
- Heaviest rain in one day: 98.4 mm, on 23 March 2021
4.2 °C separate the warmest year of the series from the coldest. Between the hottest and the coldest day on record, the range reaches 54.0 °C.
Temperature trend over 1961–2025
The regression line of annual mean temperature changes by +0.24 °C per decade between 1961 and 2025, about +1.5 °C over the whole period. That is faster than the median of the 227 stations (+0.19 °C per decade), by 0.05 °C per decade: the station ranks 64 out of 227.
The last 24 months against the 1991–2020 normal
Over the last 24 months (October 2024 to September 2026), 12 months out of 15 were warmer than the 1991–2020 normal for the same month; the mean departure is +1.0 °C. The highest departure was in November 2024 (+2.6 °C); the lowest, in June 2025 (−0.6 °C). The last twelve months add up to 541 mm of rain, which is 70 % of the 1991–2020 annual normal (774 mm).
| Month | Temperature | Departure from normal | Rain | Normal rain |
|---|---|---|---|---|
| October 2024 | 16.8 °C | +0.4 °C | 52 mm | 69 mm |
| November 2024 | 21.9 °C | +2.6 °C | 85 mm | 96 mm |
| December 2024 | 23.9 °C | +2.3 °C | 64 mm | 112 mm |
| January 2025 | 24.0 °C | +0.9 °C | 50 mm | 94 mm |
| February 2025 | 23.2 °C | +0.7 °C | 69 mm | 81 mm |
| March 2025 | 22.1 °C | +1.9 °C | 132 mm | 76 mm |
| April 2025 | 16.8 °C | +0.6 °C | 109 mm | 35 mm |
| May 2025 | 13.9 °C | +1.9 °C | 45 mm | 36 mm |
| June 2025 | 8.6 °C | −0.6 °C | 36 mm | 48 mm |
| July 2025 | 8.3 °C | 0.0 °C | 94 mm | 41 mm |
| August 2025 | 9.6 °C | +0.4 °C | 92 mm | 36 mm |
| September 2025 | 12.6 °C | −0.1 °C | 36 mm | 50 mm |
| October 2025 | 18.5 °C | +2.1 °C | 40 mm | 69 mm |
| November 2025 | 20.4 °C | +1.1 °C | 108 mm | 96 mm |
| December 2025 | 22.1 °C | +0.5 °C | 106 mm | 112 mm |
| January 2026 | – | – | 107 mm | 94 mm |
| February 2026 | – | – | 22 mm | 81 mm |
| March 2026 | – | – | 23 mm | 76 mm |
| April 2026 | – | – | 0 mm | 35 mm |
| May 2026 | – | – | 59 mm | 36 mm |
| June 2026 | – | – | 18 mm | 48 mm |
| July 2026 | – | – | 14 mm | 41 mm |
| August 2026 | – | – | 37 mm | 36 mm |
| September 2026 | – | – | 7 mm | 50 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 Inverell 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 Inverell?
Over 1991–2020, the annual mean temperature at Inverell is 15.9 °C. It was 15.2 °C over 1961–1990, a difference of +0.7 °C.
What is the warmest year ever measured at Inverell?
Since records began in 1910, the warmest year at Inverell is 2018, at 17.7 °C on average. The coldest is 1917 (13.5 °C).
Is the climate at Inverell getting warmer?
Yes: at Inverell, the annual mean temperature rises by 0.24 °C per decade between 1961 and 2025, +1.5 °C in total. 8 of the 10 warmest years in the series fall after 1999.
Towns near this station
Neighbouring stations