Climate Overview
The climate across Sao Tome and Principe shows moderate regional variation. Annual temperatures range from lows of -6°C in the coldest regions to highs of 19°C in the warmest areas. Precipitation is relatively consistent across the country, ranging between 201mm and 301mm annually. Warmer parts of Sao Tome and Principe are temperate while cooler areas tend to be cool, offering a range of conditions depending on where you go.
Temperature by Region
Temperature patterns across Sao Tome and Principe vary by region, with distinct differences between areas. The Central is the warmest part of the country, with peak temperatures reaching 19°C and an annual average of 14°C. Cooler conditions are found in the Central, where winter lows drop to -6°C and an annual average of 9°C. Despite some regional variation, the 5°C difference in annual averages means conditions are broadly similar across Sao Tome and Principe. Regional differences are most pronounced in winter, when temperatures across Sao Tome and Principe can vary by up to 8°C between regions. For example, Santo António in the Príncipe averages 14°C annually, while Neves in the São Tomé averages 9°C.
Precipitation by Region
Precipitation across Sao Tome and Principe is moderately consistent, with regional totals ranging between 201mm and 301mm annually. The Central receives the most rainfall, at approximately 301mm annually. The Central is the driest, with around 201mm per year. Precipitation tends to be somewhat heavier in summer across most regions, though rain falls year-round. Rainfall is similar across regions, so travellers can expect comparable conditions regardless of which part of Sao Tome and Principe they visit.