Glen Innes Ag Research Stn is a weather station located 1060 m above sea level, 6 km from Glen Innes. Its records go back to 1910: 32 years of temperature are available up to 2009, along with rainfall and a comparison with two reference normals. Closed series: the records of this station end in 2009. Over 1991–2020 the annual mean temperature there is 13.7 °C; the 1961–1990 period is not documented well enough to compare. The warmest year of the series is 1980 (14.5 °C) and the coldest 1974 (11.5 °C). The last complete year, 2009, ranks 6 out of 32, from warmest to coldest. Over 1961–2009, the annual mean temperature changes by +0.16 °C per decade. The station ranks 154 out of 227 stations, from the fastest rise to the slowest.
Annual mean temperature since 1910
The first ten years of the series (1971–1980) average 13.1 °C; the last ten (1995–2009) average 13.4 °C, a difference of +0.3 °C. Of the ten warmest years in the series, 2 fall after 1999. The warmest is 1980 (14.5 °C). The ten-year running mean peaks at 13.5 °C (1986) and bottoms out at 12.8 °C (1978).
Annual rainfall since 1910
On average 841 mm of rain falls per year over the 95 documented years. The wettest year, 1921, received 1320 mm; the driest, 1919, only 491 mm, which is 2.7 times less. The 1991–2020 normal (804 mm per year) is 67 mm (7.7 %) below the 1961–1990 one (871 mm). Over 1991–2020, December is on average the wettest month (111 mm) and April the driest (30 mm). Between 1987 and 2009, 10 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 | – | 19.8 °C | – | 109 mm | 104 mm | −5 mm |
| February | 18.8 °C | 19.3 °C | +0.5 °C | 85 mm | 87 mm | +2 mm |
| March | – | 17.4 °C | – | 69 mm | 70 mm | +1 mm |
| April | 13.9 °C | 14.1 °C | +0.2 °C | 47 mm | 30 mm | −17 mm |
| May | – | 10.6 °C | – | 60 mm | 47 mm | −13 mm |
| June | 7.3 °C | 7.9 °C | +0.6 °C | 43 mm | 42 mm | −1 mm |
| July | 6.3 °C | 7.0 °C | +0.7 °C | 57 mm | 47 mm | −10 mm |
| August | 7.4 °C | 8.0 °C | +0.6 °C | 55 mm | 41 mm | −14 mm |
| September | 10.2 °C | 11.2 °C | +1.0 °C | 61 mm | 52 mm | −9 mm |
| October | 13.3 °C | 14.0 °C | +0.7 °C | 76 mm | 68 mm | −8 mm |
| November | – | 16.6 °C | – | 92 mm | 105 mm | +13 mm |
| December | – | 18.1 °C | – | 117 mm | 111 mm | −6 mm |
For rainfall, the largest difference is in November (+13 mm) and the smallest in April (−17 mm).
Records at Glen Innes Ag Research Stn
- Warmest year: 14.5 °C, in 1980
- Coldest year: 11.5 °C, in 1974
- Driest year: 491 mm, in 1919
- Wettest year: 1320 mm, in 1921
- Warmest month: 22.6 °C, in January 2019
- Coldest month: 5.1 °C, in July 1971
- Wettest month: 314 mm, in February 1956
- Hottest day: 36.8 °C, on 21 December 2019
- Coldest day: −11.0 °C, on 26 June 1997
- Heaviest rain in one day: 140.0 mm, on 11 February 1976
3.0 °C separate the warmest year of the series from the coldest. Between the hottest and the coldest day on record, the range reaches 47.8 °C.
Temperature trend over 1961–2009
The regression line of annual mean temperature changes by +0.16 °C per decade between 1961 and 2009, about +0.8 °C over the whole period. That is slower than the median of the 227 stations (+0.19 °C per decade), by 0.03 °C per decade: the station ranks 154 out of 227.
The last 24 months against the 1991–2020 normal
Over the last 23 months (October 2024 to September 2026), 16 months out of 19 were warmer than the 1991–2020 normal for the same month; the mean departure is +1.0 °C. The highest departure was in December 2024 (+2.9 °C); the lowest, in June 2025 (−1.4 °C). The last twelve months add up to 555 mm of rain, which is 69 % of the 1991–2020 annual normal (804 mm).
| Month | Temperature | Departure from normal | Rain | Normal rain |
|---|---|---|---|---|
| October 2024 | 14.1 °C | +0.1 °C | – | 68 mm |
| November 2024 | 18.9 °C | +2.3 °C | – | 105 mm |
| December 2024 | 21.0 °C | +2.9 °C | – | 111 mm |
| January 2025 | 20.4 °C | +0.6 °C | – | 104 mm |
| February 2025 | 18.9 °C | −0.4 °C | – | 87 mm |
| March 2025 | 17.5 °C | +0.1 °C | 100 mm | 70 mm |
| April 2025 | 13.7 °C | −0.4 °C | 32 mm | 30 mm |
| May 2025 | – | – | 53 mm | 47 mm |
| June 2025 | 6.5 °C | −1.4 °C | 38 mm | 42 mm |
| August 2025 | – | – | 69 mm | 41 mm |
| September 2025 | – | – | 25 mm | 52 mm |
| October 2025 | – | – | 26 mm | 68 mm |
| November 2025 | 17.7 °C | +1.1 °C | 118 mm | 105 mm |
| December 2025 | 19.0 °C | +0.9 °C | 87 mm | 111 mm |
| January 2026 | 20.9 °C | +1.1 °C | 77 mm | 104 mm |
| February 2026 | 20.6 °C | +1.3 °C | 33 mm | 87 mm |
| March 2026 | 19.1 °C | +1.7 °C | 3 mm | 70 mm |
| April 2026 | 15.4 °C | +1.3 °C | 0 mm | 30 mm |
| May 2026 | 12.9 °C | +2.3 °C | 92 mm | 47 mm |
| June 2026 | 9.4 °C | +1.5 °C | 49 mm | 42 mm |
| July 2026 | 8.0 °C | +1.0 °C | 17 mm | 47 mm |
| August 2026 | 9.3 °C | +1.3 °C | 50 mm | 41 mm |
| September 2026 | 13.5 °C | +2.3 °C | 3 mm | 52 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 Glen Innes Ag Research Stn 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 Glen Innes Ag Research Stn?
Over 1991–2020, the annual mean temperature at Glen Innes Ag Research Stn is 13.7 °C.
What is the warmest year ever measured at Glen Innes Ag Research Stn?
Since records began in 1910, the warmest year at Glen Innes Ag Research Stn is 1980, at 14.5 °C on average. The coldest is 1974 (11.5 °C).
Is the climate at Glen Innes Ag Research Stn getting warmer?
Yes: at Glen Innes Ag Research Stn, the annual mean temperature rises by 0.16 °C per decade between 1961 and 2009, +0.8 °C in total. 2 of the 10 warmest years in the series fall after 1999.
Towns near this station
Neighbouring stations