Manjimup is a weather station located 287 m above sea level, 1 km from Manjimup. Its records go back to 1916: 54 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 15.5 °C, noticeably higher than over 1961–1990 (15.2 °C): a difference of 0.3 °C. The warmest year of the series is 2024 (16.7 °C) and the coldest 1960 (13.1 °C). The last complete year, 2025, ranks 4 out of 54, from warmest to coldest. Over 1961–2025, the annual mean temperature changes by +0.16 °C per decade. The station ranks 156 out of 227 stations, from the fastest rise to the slowest.
Annual mean temperature since 1916
The first ten years of the series (1957–1973) average 14.8 °C; the last ten (2015–2025) average 15.8 °C, a difference of +1.0 °C. Of the ten warmest years in the series, 9 fall after 1999. The warmest is 2024 (16.7 °C). The ten-year running mean peaks at 15.9 °C (2019) and bottoms out at 14.8 °C (1964).
Annual rainfall since 1916
On average 980 mm of rain falls per year over the 103 documented years. The wettest year, 1917, received 1761 mm; the driest, 2010, only 551 mm, which is 3.2 times less. The 1991–2020 normal (873 mm per year) is 100 mm (10.3 %) below the 1961–1990 one (973 mm). Over 1991–2020, July is on average the wettest month (153 mm) and February the driest (13 mm). Between 2003 and 2024, 4 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 | 20.5 °C | 20.5 °C | 0.0 °C | 22 mm | 19 mm | −3 mm |
| February | 20.6 °C | 20.7 °C | +0.1 °C | 21 mm | 13 mm | −8 mm |
| March | 18.8 °C | 19.2 °C | +0.4 °C | 26 mm | 28 mm | +2 mm |
| April | 16.1 °C | 16.7 °C | +0.6 °C | 66 mm | 47 mm | −19 mm |
| May | 13.5 °C | 13.9 °C | +0.4 °C | 120 mm | 112 mm | −8 mm |
| June | 11.5 °C | 11.7 °C | +0.2 °C | 158 mm | 124 mm | −34 mm |
| July | 10.5 °C | 10.8 °C | +0.3 °C | 176 mm | 153 mm | −23 mm |
| August | 10.8 °C | 11.3 °C | +0.5 °C | 141 mm | 140 mm | −1 mm |
| September | 12.1 °C | 12.2 °C | +0.1 °C | 96 mm | 106 mm | +10 mm |
| October | 13.6 °C | 14.2 °C | +0.6 °C | 75 mm | 59 mm | −16 mm |
| November | 15.9 °C | 16.6 °C | +0.7 °C | 51 mm | 44 mm | −7 mm |
| December | 18.6 °C | 18.8 °C | +0.2 °C | 21 mm | 28 mm | +7 mm |
The largest temperature change is in November (+0.7 °C) and the smallest in January (0.0 °C); over the year the mean difference is +0.3 °C, and 11 months out of twelve are warmer than before. For rainfall, the largest difference is in September (+10 mm) and the smallest in June (−34 mm).
Records at Manjimup
- Warmest year: 16.7 °C, in 2024
- Coldest year: 13.1 °C, in 1960
- Driest year: 551 mm, in 2010
- Wettest year: 1761 mm, in 1917
- Warmest month: 23.5 °C, in February 1985
- Coldest month: 8.1 °C, in July 1960
- Wettest month: 332 mm, in June 1917
- Hottest day: 42.8 °C, on 1 February 2024
- Coldest day: −0.6 °C, on 5 May 1960
- Heaviest rain in one day: 89.2 mm, on 26 March 1965
3.6 °C separate the warmest year of the series from the coldest. Between the hottest and the coldest day on record, the range reaches 43.4 °C.
Temperature trend over 1961–2025
The regression line of annual mean temperature changes by +0.16 °C per decade between 1961 and 2025, about +1.0 °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 156 out of 227.
The last 24 months against the 1991–2020 normal
Over the last 22 months (October 2024 to September 2026), 17 months out of 22 were warmer than the 1991–2020 normal for the same month; the mean departure is +0.6 °C. The highest departure was in January 2025 (+2.5 °C); the lowest, in April 2026 (−1.2 °C). The last twelve months add up to 768 mm of rain, which is 88 % of the 1991–2020 annual normal (873 mm).
| Month | Temperature | Departure from normal | Rain | Normal rain |
|---|---|---|---|---|
| October 2024 | 15.8 °C | +1.6 °C | 64 mm | 59 mm |
| November 2024 | 16.7 °C | +0.1 °C | 66 mm | 44 mm |
| December 2024 | 20.0 °C | +1.2 °C | 9 mm | 28 mm |
| January 2025 | 23.0 °C | +2.5 °C | – | 19 mm |
| February 2025 | 21.7 °C | +1.0 °C | 9 mm | 13 mm |
| March 2025 | 21.3 °C | +2.1 °C | 53 mm | 28 mm |
| May 2025 | 14.6 °C | +0.7 °C | 83 mm | 112 mm |
| June 2025 | 12.7 °C | +1.0 °C | 156 mm | 124 mm |
| July 2025 | 10.4 °C | −0.4 °C | 229 mm | 153 mm |
| August 2025 | 11.5 °C | +0.2 °C | 163 mm | 140 mm |
| September 2025 | 13.0 °C | +0.8 °C | 132 mm | 106 mm |
| October 2025 | 14.4 °C | +0.2 °C | 48 mm | 59 mm |
| November 2025 | 15.9 °C | −0.7 °C | 74 mm | 44 mm |
| December 2025 | 20.0 °C | +1.2 °C | 3 mm | 28 mm |
| January 2026 | 20.7 °C | +0.2 °C | 6 mm | 19 mm |
| February 2026 | 20.9 °C | +0.2 °C | 1 mm | 13 mm |
| April 2026 | 15.5 °C | −1.2 °C | 55 mm | 47 mm |
| May 2026 | 13.6 °C | −0.3 °C | 99 mm | 112 mm |
| June 2026 | 11.1 °C | −0.6 °C | 140 mm | 124 mm |
| July 2026 | 11.3 °C | +0.5 °C | 53 mm | 153 mm |
| August 2026 | 11.9 °C | +0.6 °C | 102 mm | 140 mm |
| September 2026 | 13.9 °C | +1.7 °C | 55 mm | 106 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 Manjimup 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 Manjimup?
Over 1991–2020, the annual mean temperature at Manjimup is 15.5 °C. It was 15.2 °C over 1961–1990, a difference of +0.3 °C.
What is the warmest year ever measured at Manjimup?
Since records began in 1916, the warmest year at Manjimup is 2024, at 16.7 °C on average. The coldest is 1960 (13.1 °C).
Is the climate at Manjimup getting warmer?
Yes: at Manjimup, the annual mean temperature rises by 0.16 °C per decade between 1961 and 2025, +1.0 °C in total. 9 of the 10 warmest years in the series fall after 1999.
Towns near this station
Neighbouring stations