Weather & climate · Sao Tome

Best Time to Visit Sao Tome and Principe

June to September

The best time to visit Sao Tome and Principe is June to September, when daytime highs in Sao Tome are around 25–26°C. October is also a good time to go. March is the warmest month (28°C by day), July the coldest (24°C at night), and April the wettest with about 176 mm of rain.

28°C

Warmest: March

24°C

Coldest nights: July

1252 mm

Rain per year

176 mm

Wettest: April

Sao Tome and Principe weather by month

Jan28°C27°C130 mm
Feb28°C27°C119 mm
Mar28°C27°C167 mm
Apr28°C27°C176 mm
May27°C27°C127 mm
Jun26°C25°C44 mm
Jul25°C24°C22 mm
Aug25°C24°C20 mm
Sep26°C25°C41 mm
Oct27°C26°C114 mm
Nov27°C26°C158 mm
Dec27°C26°C134 mm

Best time Good Less ideal

Average high Average low Rain (mm per month)

Month	High	Low	Rain	Humidity	Cloud cover	Verdict
January	28°C	27°C	130 mm	83%	73%	Fair
February	28°C	27°C	119 mm	83%	76%	Fair
March	28°C	27°C	167 mm	83%	78%	Rainy
April	28°C	27°C	176 mm	83%	78%	Rainy
May	27°C	27°C	127 mm	85%	74%	Fair
June	26°C	25°C	44 mm	83%	71%	Best time
July	25°C	24°C	22 mm	82%	75%	Best time
August	25°C	24°C	20 mm	82%	76%	Best time
September	26°C	25°C	41 mm	82%	77%	Best time
October	27°C	26°C	114 mm	83%	77%	Good
November	27°C	26°C	158 mm	85%	74%	Rainy
December	27°C	26°C	134 mm	84%	72%	Fair

Data: NASA POWER (Prediction Of Worldwide Energy Resources) — 25-year climate averages 2001–2025, public domain, for the area around Sao Tome (0.33, 6.73). Satellite and model averages — local weather stations can differ by 1–2 °C, and mountains or coasts elsewhere in Sao Tome and Principe have their own climate.

Frequently asked questions

When is the best time to visit Sao Tome and Principe?

June to September. The best time to visit Sao Tome and Principe is June to September, when daytime highs in Sao Tome are around 25–26°C. October is also a good time to go. March is the warmest month (28°C by day), July the coldest (24°C at night), and April the wettest with about 176 mm of rain.

What is the hottest month in Sao Tome and Principe?

March, with average highs of 28°C in Sao Tome.

What is the coldest month in Sao Tome and Principe?

July, when nights drop to about 24°C and days reach 25°C.

What is the rainiest month in Sao Tome and Principe?

April with about 176 mm; August is the driest (20 mm).

When should I avoid visiting Sao Tome and Principe?

April is the least comfortable month on average: 28°C by day and 176 mm of rain.

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