Sao Tome and Principe Weather
🇸🇹 1 city covered · Africa
· tropical wet-and-dry climate
Best time to visit
May to September
Weather in Sao Tome and Principe at a glance
Our Sao Tome and Principe coverage centers on Sao Tome, which has a tropical wet-and-dry climate. Expect average highs around 85°F (29°C) in March and 80°F (27°C) in August, with about 272 days of measurable precipitation a year.
Quick facts
- Covered city: Sao Tome - annual average 79°
- Best time to visit: May to September
- Climate type: tropical wet-and-dry
The bigger picture
Sao Tome averages 8.8 hours of sunshine per day and roughly 2655 mm (104.5 inches) of precipitation annually. The most comfortable window is generally May to September. See the full month-by-month breakdown on the Sao Tome climate page.
Live weather across Sao Tome and Principe today
Sao Tome and Principe cities compared
| City | Annual avg | Hottest month | Coldest month | Rainy days/yr | Sun h/day | Snowy days/yr |
|---|---|---|---|---|---|---|
| Sao Tome | 79° | Mar · 85° | Aug · 74° | 272 | 8.8 | 0 |
Sao Tome and Principe weather by month
| Month | Avg high | Avg low | Rainy days | Sunshine |
|---|---|---|---|---|
| January | 83° | 77° | 26 | 9.4 h/day |
| February | 84° | 78° | 24 | 9.4 h/day |
| March | 85° | 78° | 24 | 8.6 h/day |
| April | 85° | 78° | 24 | 8.8 h/day |
| May | 83° | 78° | 23 | 8.6 h/day |
| June | 82° | 75° | 13 | 9.6 h/day |
| July | 81° | 74° | 14 | 9.2 h/day |
| August | 80° | 74° | 19 | 8.5 h/day |
| September | 81° | 75° | 24 | 8.4 h/day |
| October | 81° | 76° | 27 | 8.3 h/day |
| November | 82° | 76° | 26 | 8.6 h/day |
| December | 82° | 77° | 28 | 8.8 h/day |
Sao Tome and Principe weather FAQs
When is the best time to visit Sao Tome and Principe?
Averaged across the covered cities, May to September offers the most comfortable combination of temperatures, drier days and daylight. Coastal, mountain and desert areas can differ - check each city's climate page for specifics.
Does it snow in Sao Tome and Principe?
Snow is essentially absent in the Sao Tome and Principe cities we cover - the 2015–2024 record shows no regular measurable snowfall.
What is the climate of Sao Tome and Principe like?
The covered cities fall under tropical wet-and-dry climate. That means year-round warmth split between a rainy season and a dry season.
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