Yamba is a weather station located 27 m above sea level, 1 km from Yamba. Its records go back to 1878: 99 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 20.1 °C, noticeably higher than over 1961–1990 (19.5 °C): a difference of 0.6 °C. The warmest year of the series is 2024 (21.0 °C) and the coldest 1933 (18.5 °C). The last complete year, 2025, ranks 2 out of 99, from warmest to coldest. Over 1961–2025, the annual mean temperature changes by +0.22 °C per decade. The station ranks 83 out of 227 stations, from the fastest rise to the slowest.
Annual mean temperature since 1878
The first ten years of the series (1914–1923) average 19.5 °C; the last ten (2016–2025) average 20.5 °C, a difference of +1.0 °C. All of the 10 warmest years in the series fall after 1999; the warmest is 2024 (21.0 °C). The ten-year running mean peaks at 20.5 °C (2025) and bottoms out at 19.1 °C (1952).
Annual rainfall since 1878
On average 1463 mm of rain falls per year over the 146 documented years. The wettest year, 1950, received 2717 mm; the driest, 1915, only 679 mm, which is 4.0 times less. The 1991–2020 normal (1428 mm per year) is 163 mm (10.2 %) below the 1961–1990 one (1591 mm). Over 1991–2020, March is on average the wettest month (204 mm) and September the driest (44 mm). Between 2005 and 2025, 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 | 23.6 °C | 24.3 °C | +0.7 °C | 139 mm | 135 mm | −4 mm |
| February | 23.7 °C | 24.2 °C | +0.5 °C | 177 mm | 156 mm | −21 mm |
| March | 22.8 °C | 23.1 °C | +0.3 °C | 204 mm | 204 mm | 0 mm |
| April | 20.5 °C | 20.7 °C | +0.2 °C | 200 mm | 142 mm | −58 mm |
| May | 17.7 °C | 18.0 °C | +0.3 °C | 186 mm | 139 mm | −47 mm |
| June | 15.2 °C | 15.9 °C | +0.7 °C | 141 mm | 163 mm | +22 mm |
| July | 14.3 °C | 15.1 °C | +0.8 °C | 85 mm | 79 mm | −6 mm |
| August | 15.3 °C | 16.0 °C | +0.7 °C | 67 mm | 66 mm | −1 mm |
| September | 17.4 °C | 18.4 °C | +1.0 °C | 56 mm | 44 mm | −12 mm |
| October | 19.4 °C | 20.1 °C | +0.7 °C | 91 mm | 81 mm | −10 mm |
| November | 21.1 °C | 21.7 °C | +0.6 °C | 110 mm | 105 mm | −5 mm |
| December | 22.6 °C | 23.1 °C | +0.5 °C | 135 mm | 114 mm | −21 mm |
The largest temperature change is in September (+1.0 °C) and the smallest in April (+0.2 °C); over the year the mean difference is +0.6 °C, and 12 months out of twelve are warmer than before. For rainfall, the largest difference is in June (+22 mm) and the smallest in April (−58 mm).
Records at Yamba
- Warmest year: 21.0 °C, in 2024
- Coldest year: 18.5 °C, in 1933
- Driest year: 679 mm, in 1915
- Wettest year: 2717 mm, in 1950
- Warmest month: 25.8 °C, in January 2024
- Coldest month: 12.4 °C, in August 1933
- Wettest month: 767 mm, in March 2022
- Hottest day: 44.2 °C, on 1 February 1952
- Coldest day: 1.5 °C, on 10 June 1934
- Heaviest rain in one day: 300.0 mm, on 2 March 1999
2.5 °C separate the warmest year of the series from the coldest. Between the hottest and the coldest day on record, the range reaches 42.7 °C.
Temperature trend over 1961–2025
The regression line of annual mean temperature changes by +0.22 °C per decade between 1961 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 0.03 °C per decade: the station ranks 83 out of 227.
The last 24 months against the 1991–2020 normal
Over the last 24 months (October 2024 to September 2026), 13 months out of 15 were warmer than the 1991–2020 normal for the same month; the mean departure is +0.8 °C. The highest departure was in October 2025 (+2.2 °C); the lowest, in June 2025 (−0.2 °C). The last twelve months add up to 1395 mm of rain, which is 98 % of the 1991–2020 annual normal (1428 mm).
| Month | Temperature | Departure from normal | Rain | Normal rain |
|---|---|---|---|---|
| October 2024 | 20.4 °C | +0.3 °C | 82 mm | 81 mm |
| November 2024 | 23.3 °C | +1.6 °C | 148 mm | 105 mm |
| December 2024 | 24.3 °C | +1.2 °C | 76 mm | 114 mm |
| January 2025 | 25.0 °C | +0.7 °C | 96 mm | 135 mm |
| February 2025 | 25.1 °C | +0.9 °C | 39 mm | 156 mm |
| March 2025 | 24.1 °C | +1.0 °C | 267 mm | 204 mm |
| April 2025 | 21.3 °C | +0.6 °C | 167 mm | 142 mm |
| May 2025 | 19.1 °C | +1.1 °C | 409 mm | 139 mm |
| June 2025 | 15.7 °C | −0.2 °C | 59 mm | 163 mm |
| July 2025 | 15.5 °C | +0.4 °C | 96 mm | 79 mm |
| August 2025 | 15.9 °C | −0.1 °C | 356 mm | 66 mm |
| September 2025 | 19.0 °C | +0.6 °C | 20 mm | 44 mm |
| October 2025 | 22.3 °C | +2.2 °C | 40 mm | 81 mm |
| November 2025 | 22.6 °C | +0.9 °C | 109 mm | 105 mm |
| December 2025 | 23.2 °C | +0.1 °C | 99 mm | 114 mm |
| January 2026 | – | – | 103 mm | 135 mm |
| February 2026 | – | – | 66 mm | 156 mm |
| March 2026 | – | – | 128 mm | 204 mm |
| April 2026 | – | – | 119 mm | 142 mm |
| May 2026 | – | – | 230 mm | 139 mm |
| June 2026 | – | – | 231 mm | 163 mm |
| July 2026 | – | – | 106 mm | 79 mm |
| August 2026 | – | – | 131 mm | 66 mm |
| September 2026 | – | – | 33 mm | 44 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 Yamba 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 Yamba?
Over 1991–2020, the annual mean temperature at Yamba is 20.1 °C. It was 19.5 °C over 1961–1990, a difference of +0.6 °C.
What is the warmest year ever measured at Yamba?
Since records began in 1878, the warmest year at Yamba is 2024, at 21.0 °C on average. The coldest is 1933 (18.5 °C).
Is the climate at Yamba getting warmer?
Yes: at Yamba, the annual mean temperature rises by 0.22 °C per decade between 1961 and 2025, +1.4 °C in total. 10 of the 10 warmest years in the series fall after 1999.
Towns near this station
Neighbouring stations