Perth weather in 2023
Perth weather in 2023, with 365 daily observations from Open-Meteo archive data.
Interactive graph
Open Perth in the interactive graph
Use the graph view to inspect 2023 alongside other available years for Perth.
Year summary
In 2023, Perth averaged 23.8 C for daily highs and 14.1 C for daily lows.
A 1991-2020 normal is not available for this location yet, so this page compares 2023 with the 2023-2025 archive baseline. The 2023 average daily high was -0.4 C from that baseline, and total precipitation was -167.4 mm from the baseline total.
The warmest month was January, with an average high of 30.4 C, while August had the lowest average low at 8.9 C.
The wettest month was June, totaling 167.4 mm. The hottest day reached 39.3 C on November 23, 2023.
Monthly averages and precipitation
| Month | Avg low C | Avg high C | Rain and snow mm | Days |
|---|---|---|---|---|
| January | 18.7 | 30.4 | 0.2 | 31 |
| February | 18.8 | 30.1 | 0.0 | 28 |
| March | 17.7 | 28.3 | 50.3 | 31 |
| April | 13.2 | 22.2 | 43.4 | 30 |
| May | 11.8 | 21.0 | 61.5 | 31 |
| June | 9.2 | 16.1 | 167.4 | 30 |
| July | 10.4 | 17.1 | 121.3 | 31 |
| August | 8.9 | 18.5 | 50.9 | 31 |
| September | 12.4 | 20.3 | 52.0 | 30 |
| October | 13.7 | 24.5 | 4.5 | 31 |
| November | 17.2 | 28.5 | 11.4 | 30 |
| December | 18.2 | 29.4 | 0.7 | 31 |
Daily records in 2023
| Record | Date | Value |
|---|---|---|
| Hottest day | November 23, 2023 | 39.3 C |
| Coldest night | June 27, 2023 | 3.3 C |
| Wettest day | June 5, 2023 | 42.3 mm |
Related pages
Weather data source: Open-Meteo Archive API. City metadata source: GeoNames cities15000.