Sao Paulo, Brazil · population 390,633 · 18 weather stations within 200 km · records 1781 to 2025
Diadema has an average annual daytime high of 25.6°C, based on the 1951 to 1980 baseline. Its warmest month is February, when highs typically reach 28.5°C, and its coldest is July, with overnight lows near 11.7°C.
These figures reflect annual averages, not single-day records. Daily observations are outside this dataset's precision.
Since 1900, Diadema's average temperature has risen by +1.8°C. Compared to the earliest station records that begin in 1781, warming totals +1.8°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.
Diadema's average annual daytime high is 25.6°C, based on the 1951 to 1980 baseline period. The warmest month is February, with highs averaging 28.5°C, and the coldest is July, with lows averaging 11.7°C.
February is the warmest month in Diadema, with typical daytime highs of 28.5°C.
2023 is the hottest year on record for Diadema, running +2.5°C above the 1951 to 1980 baseline.
Yes. Since 1900, Diadema has warmed by roughly +1.8°C.
April to October 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.