Climate averages 1991–2020
São Tomé weather
in June.
A warm, fairly dry month: the joint 9th warmest and the 3rd driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
June is a warm month in São Tomé: daytime highs average 25.5°C and nights cool to about 24.1°C. By daytime temperature it is the joint 9th warmest of the 12 months.
Expect about 23 mm of rain on roughly 4 days, which makes June a fairly dry month (the 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 08 min on an average June day.
The nearest other city in this atlas is Port-Gentil (257 km away). In June its highs average 27.0°C, 1.4°C warmer than São Tomé, with 18 mm of rain.
From June to July, average highs fall by 0.7°C to 24.9°C, and monthly rainfall falls from 23 mm to 7.7 mm.
The annual picture
June 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, selected | 25.5°C24.1°C | 24.1°C | 23 | 4.0 | 12.112 h |
| July | 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
June in nearby cities
- Port-Gentil in JuneGabon · 257 kmHigh 27.0°C · Low 23.0°C · 18 mm rain
- Libreville in JuneGabon · 303 kmHigh 27.5°C · Low 23.3°C · 82 mm rain
- Owendo in JuneGabon · 309 kmHigh 28.2°C · Low 22.9°C · 66 mm rain
- Bata in JuneEquatorial Guinea · 378 kmHigh 27.5°C · Low 23.4°C · 179 mm rain
- Malabo in JuneEquatorial Guinea · 443 kmHigh 27.4°C · Low 24.7°C · 388 mm rain
- Kribi in JuneCameroon · 456 kmHigh 26.9°C · Low 23.8°C · 278 mm rain
- Ciudad de la Paz in JuneEquatorial Guinea · 476 kmHigh 27.2°C · Low 20.2°C · 193 mm rain
- Ogbia in JuneNigeria · 486 kmHigh 28.2°C · Low 23.4°C · 367 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.