Sao Tome Island, Sao Tome and Principe · 3 weather stations within 200 km · records 1873 to 2025
Sao Tome has an average annual daytime high of 28.7°C, based on the 1951 to 1980 baseline. Its warmest month is March, when highs typically reach 30.2°C, and its coldest is July, with overnight lows near 20.4°C.
These figures reflect annual averages, not single-day records. Daily observations are outside this dataset's precision.
Since 1900, Sao Tome's average temperature has risen by +1.6°C. Compared to the earliest station records that begin in 1873, warming totals +1.5°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.
Sao Tome's average annual daytime high is 28.7°C, based on the 1951 to 1980 baseline period. The warmest month is March, with highs averaging 30.2°C, and the coldest is July, with lows averaging 20.4°C.
March is the warmest month in Sao Tome, with typical daytime highs of 30.2°C.
2009 is the hottest year on record for Sao Tome, running +1.4°C above the 1951 to 1980 baseline.
Yes. Since 1900, Sao Tome has warmed by roughly +1.6°C.
any time of year 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.