Climate averages 1991–2020
São Tomé weather
in July.
A warm, very dry month: the coolest and the driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
July is a warm month in São Tomé: daytime highs average 24.9°C and nights cool to about 23.3°C. By daytime temperature it is the coolest month of the year.
Expect about 7.7 mm of rain on roughly 2 days, which makes July a very dry month (the driest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 08 min on an average July day.
The nearest other city in this atlas is Port-Gentil (257 km away). In July its highs average 26.5°C, 1.7°C warmer than São Tomé, with 7.8 mm of rain.
From July to August, average highs rise by 0.1°C to 25.0°C, and monthly rainfall rises from 7.7 mm to 14 mm.
The annual picture
July in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
São Tomé climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 26.9°C24.9°C | 24.9°C | 135 | 23.6 | 12.112 h |
| February | 27.5°C25.4°C | 25.4°C | 115 | 19.4 | 12.112 h |
| March | 27.8°C25.7°C | 25.7°C | 133 | 20.5 | 12.112 h |
| April | 27.6°C25.7°C | 25.7°C | 130 | 18.7 | 12.112 h |
| May | 26.8°C25.2°C | 25.2°C | 119 | 17.0 | 12.112 h |
| June | 25.5°C24.1°C | 24.1°C | 23 | 4.0 | 12.112 h |
| July, selected | 24.9°C23.3°C | 23.3°C | 7.7 | 2.0 | 12.112 h |
| August | 25.0°C23.3°C | 23.3°C | 14 | 2.6 | 12.112 h |
| September | 25.5°C23.8°C | 23.8°C | 46 | 7.8 | 12.112 h |
| October | 25.8°C24.2°C | 24.2°C | 152 | 21.5 | 12.112 h |
| November | 26.1°C24.4°C | 24.4°C | 210 | 25.7 | 12.112 h |
| December | 26.5°C24.6°C | 24.6°C | 174 | 26.1 | 12.112 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
July in nearby cities
- Port-Gentil in JulyGabon · 257 kmHigh 26.5°C · Low 22.1°C · 7.8 mm rain
- Libreville in JulyGabon · 303 kmHigh 27.1°C · Low 22.5°C · 33 mm rain
- Owendo in JulyGabon · 309 kmHigh 27.8°C · Low 22.2°C · 26 mm rain
- Bata in JulyEquatorial Guinea · 378 kmHigh 26.8°C · Low 22.8°C · 110 mm rain
- Malabo in JulyEquatorial Guinea · 443 kmHigh 26.6°C · Low 24.0°C · 446 mm rain
- Kribi in JulyCameroon · 456 kmHigh 26.0°C · Low 23.3°C · 253 mm rain
- Ciudad de la Paz in JulyEquatorial Guinea · 476 kmHigh 26.7°C · Low 19.7°C · 136 mm rain
- Ogbia in JulyNigeria · 486 kmHigh 27.3°C · Low 22.9°C · 331 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for São Tomé) is explained once on the São Tomé year overview and on the Sources, method and limits page.