São Tomé Climate by Month
São Tomé, São Tomé Island, Sao Tome and Principe
Warm all year, with rain spread through the year.
Warm all year, with rain spread through the year: that's São Tomé's climate in short. Expect highs of 87°F (31°C) in March and 82°F (28°C) in July, with the coldest nights (July) near 70°F (21°C). It gets 67 in (1693 mm) of rain a year, spread across the months. The air is humid, averaging 85% relative humidity.
- Warmest month
- 87°F(31°C)
- Average high, March
- Coldest nights
- 70°F(21°C)
- Average low, July
- Rain per year
- 67 in(1693 mm)
- No clear rainy season
- Humidity
- 85%
- Sunniest: February
Best and worst months in São Tomé
Best for weatherThe most comfortable weather comes in July and August, with highs around 82°F (28°C) and about 0.7 in (19 mm) of rain a month.
Least pleasantApril and May are the least pleasant; April is the wettest, with 10 in (256 mm) of rain.
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in July.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
São Tomé weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 85°F(29°C) | 72°F(22°C) | 5.2 in(133 mm) | 90% | 4.5 |
| FebFebruary | 87°F(30°C) | 72°F(22°C) | 5.3 in(134 mm) | 87% | 4.7 |
| MarMarch | 87°F(31°C) | 73°F(23°C) | 7.8 in(199 mm) | 86% | 4.7 |
| AprApril | 86°F(30°C) | 72°F(22°C) | 10 in(256 mm) | 88% | 4.3 |
| MayMay | 85°F(29°C) | 73°F(23°C) | 10 in(256 mm) | 84% | 4.3 |
| JunJune | 83°F(28°C) | 71°F(22°C) | 2.3 in(58 mm) | 82% | 4.4 |
| JulJulyBest | 82°F(28°C) | 70°F(21°C) | 0.4 in(10 mm) | 79% | 4.4 |
| AugAugustBest | 83°F(28°C) | 70°F(21°C) | 1.1 in(28 mm) | 81% | 4.2 |
| SepSeptember | 83°F(29°C) | 71°F(22°C) | 4.4 in(112 mm) | 82% | 4.1 |
| OctOctober | 83°F(29°C) | 71°F(22°C) | 7.2 in(182 mm) | 87% | 4.1 |
| NovNovember | 84°F(29°C) | 72°F(22°C) | 6.5 in(165 mm) | 88% | 4.3 |
| DecDecember | 85°F(29°C) | 72°F(22°C) | 6.3 in(160 mm) | 90% | 4.3 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
Places with a similar climate
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