Western Australia, Australia · population 1,896,548 · 58 weather stations within 200 km · records 1880 to 2025
Perth has an average annual daytime high of 23.6°C, based on the 1951 to 1980 baseline. Its warmest month is February, when highs typically reach 31.0°C, and its coldest is July, with overnight lows near 8.3°C.
These figures reflect annual averages, not single-day records. Daily observations are outside this dataset's precision.
Since 1900, Perth's average temperature has risen by +1.7°C. Compared to the earliest station records that begin in 1880, warming totals +1.7°C.
20-year smoothed annual temperature reconstructed from station anomalies. Dashed line: 1951–1980 baseline.
Daytime highs sit within a comfortable 15°C to 26°C range.
Perth's average annual daytime high is 23.6°C, based on the 1951 to 1980 baseline period. The warmest month is February, with highs averaging 31.0°C, and the coldest is July, with lows averaging 8.3°C.
February is the warmest month in Perth, with typical daytime highs of 31.0°C.
2023 is the hottest year on record for Perth, running +2.2°C above the 1951 to 1980 baseline.
Yes. Since 1900, Perth has warmed by roughly +1.7°C.
April to November typically offers the most comfortable daytime highs, in the 15°C to 26°C range.
Baseline period 1951 to 1980. Monthly averages are the mean of station observations weighted by proximity. Warming trend is the 20-year smoothed anomaly against that baseline.