Arizona, United States of America · population 531,641 · 263 weather stations within 200 km · records 1849 to 2025
Tucson has an average annual daytime high of 28.3°C, based on the 1951 to 1980 baseline. Its warmest month is June, when highs typically reach 37.4°C, and its coldest is January, with overnight lows near 2.8°C.
These figures reflect annual averages, not single-day records. Daily observations are outside this dataset's precision.
Since 1900, Tucson's average temperature has risen by +1.5°C. Compared to the earliest station records that begin in 1849, 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.
Tucson's average annual daytime high is 28.3°C, based on the 1951 to 1980 baseline period. The warmest month is June, with highs averaging 37.4°C, and the coldest is January, with lows averaging 2.8°C.
June is the warmest month in Tucson, with typical daytime highs of 37.4°C.
2017 is the hottest year on record for Tucson, running +2.0°C above the 1951 to 1980 baseline.
Yes. Since 1900, Tucson 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.