New South Wales, Australia · population 308,308 · 116 weather stations within 200 km · records 1788 to 2025
Newcastle has an average annual daytime high of 22.1°C, based on the 1951 to 1980 baseline. Its warmest month is February, when highs typically reach 26.1°C, and its coldest is July, with overnight lows near 7.9°C.
These figures reflect annual averages, not single-day records. Daily observations are outside this dataset's precision.
Since 1900, Newcastle's average temperature has risen by +1.5°C. Compared to the earliest station records that begin in 1788, warming totals +2.0°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.
Newcastle's average annual daytime high is 22.1°C, based on the 1951 to 1980 baseline period. The warmest month is February, with highs averaging 26.1°C, and the coldest is July, with lows averaging 7.9°C.
February is the warmest month in Newcastle, with typical daytime highs of 26.1°C.
2023 is the hottest year on record for Newcastle, running +1.7°C above the 1951 to 1980 baseline.
Yes. Since 1900, Newcastle has warmed by roughly +1.5°C.
January to December 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.