Weather in São Tomé — today
Now in São Tomé
🌦️
+25°
Drizzle
Feels like +31° · humidity 90%
Today 12.9: +28° / +25°
🕐 05:25
Wind
0 km/h
UV index
0
Air (AQI)
22 · Good
Precipitation
73%
Humidity
90%
Pressure
1014 hPa
Sunrise / sunset
05:26 / 17:32
Sea temperature
🌊 +26°
👕 What to wear today
Warm — a T-shirt and light trousers or shorts.
☂️ Take an umbrellaFeels warmer by 6°
Weather for an activity:
Detailed weather information for São Tomé
Today, 12 September, Saturday, in São Tomé (São Tomé & Príncipe): cloudy, light rain in places, warm. During the day the air will warm up to +28°, at night around +25°. Due to high humidity it feels like +31°. Wind up to 8 km/h. High chance of rain — be sure to take an umbrella or a raincoat. Light summer clothing will do — a T-shirt and shorts or light trousers. The sea has warmed up to +26° — great for swimming. The sun will rise at 05:26 and set at 17:32 — daylight lasts 12 hours.Hourly weather in São Tomé
💧 The bars at the bottom show the hourly precipitation probability. Shaded areas of the chart are the dark hours (before sunrise 🌅 and after sunset 🌇).
Weather in São Tomé for 14 days
Tap a day to expand it by time of day and open the full forecast. The bar shows the range from the night low (left) to the day high (right).
▶
Today 12.9
🌦️
💧 73%
+25° +28°
Morning
🌦️
+26°
Day
🌦️
+28°
Evening
🌇
+25°
Night
🌙
+25°
▶
Tomorrow 13.9
🌦️
💧 29%
+25° +27°
Morning
🌦️
+25°
Day
🌦️
+27°
Evening
🌇
+25°
Night
🌙
+25°
▶
Mon 14.9
🌦️
💧 44%
+25° +28°
Morning
🌦️
+26°
Day
🌦️
+28°
Evening
🌇
+27°
Night
🌙
+25°
▶
Tue 15.9
🌦️
💧 2%
+24° +28°
Morning
🌦️
+25°
Day
🌦️
+28°
Evening
🌇
+27°
Night
🌙
+24°
▶
Wed 16.9
🌦️
💧 10%
+24° +27°
Morning
🌦️
+25°
Day
🌦️
+27°
Evening
🌇
+26°
Night
🌙
+24°
▶
Thu 17.9
🌦️
💧 61%
+25° +26°
Morning
🌦️
+25°
Day
🌦️
+26°
Evening
🌇
+26°
Night
🌙
+25°
▶
Fri 18.9
🌦️
💧 69%
+25° +27°
Morning
🌦️
+26°
Day
🌦️
+27°
Evening
🌇
+27°
Night
🌙
+25°
▶
Sat 19.9
🌦️
💧 43%
+25° +28°
Morning
🌦️
+26°
Day
🌦️
+28°
Evening
🌇
+27°
Night
🌙
+25°
▶
Sun 20.9
🌦️
💧 39%
+25° +27°
Morning
🌦️
+26°
Day
🌦️
+27°
Evening
🌇
+27°
Night
🌙
+25°
▶
Mon 21.9
🌦️
💧 25%
+25° +28°
Morning
🌦️
+26°
Day
🌦️
+28°
Evening
🌇
+27°
Night
🌙
+25°
▶
Tue 22.9
🌦️
💧 25%
+25° +26°
Morning
🌦️
+25°
Day
🌦️
+26°
Evening
🌇
+26°
Night
🌙
+25°
▶
Wed 23.9
🌦️
💧 20%
+25° +29°
Morning
🌦️
+26°
Day
🌦️
+29°
Evening
🌇
+28°
Night
🌙
+25°
▶
Thu 24.9
🌦️
💧 14%
+25° +26°
Morning
🌦️
+25°
Day
🌦️
+26°
Evening
🌇
+26°
Night
🌙
+25°
▶
Fri 25.9
🌦️
💧 33%
+24° +28°
Morning
🌦️
+25°
Day
🌦️
+28°
Evening
🌇
+27°
Night
🌙
+24°
🗺️ Precipitation radar
Precipitation radar (RainViewer) over a clean base map — updates every 5–10 minutes. Colours show nearby precipitation; if there is none, the map is simply clear — that is normal. Zoom with + / −.
Rain intensity:lightmoderateheavy
🎯 What to do in this weather — indices of the day
Comfort score from 0 (bad) to 100 (excellent), calculated from the day's weather. For “rain” and “UV” a percentage/risk level is shown.
🏖️ Beach
37 / 100
for sea and sun · So-so
🏊 Swimming
27 / 100
water 26° · So-so
🏃 Running
0 / 100
comfort for running · Bad
🧴 UV
0%
moderate · low
☂️ Rain
73%
likely · high
✨ Stars
37 / 100
evening visibility · So-so
🧺 Laundry drying
0 / 100
will dry outside · Bad
🚗 Car wash
7 / 100
better to wait · Bad
🌫️ Air quality
22
Good air
European AQI
PM2.5: 6PM10: 10O₃: 52NO₂: 0
The air is clean — you can walk and exercise outside.
🌅 Sun, moon and sea
Sunrise
05:26
Sunset
17:32
Golden hour
17:05
Daylight
12 h (+0 min vs yesterday)
Sea temperature
+26°
🌊 calm, waves 0.4 m.
São Tomé climate by month
Long-term averages. Hover over a bar for details. The forecast for a specific month is a combination of the climate normal and the model forecast for the coming weeks.
+28°
+26°
Jan
+29°
+26°
Feb
+29°
+26°
Mar
+29°
+26°
Apr
+28°
+26°
May
+27°
+25°
Jun
+26°
+24°
Jul
+26°
+24°
Aug
+26°
+25°
Sep
+27°
+25°
Oct
+27°
+25°
Nov
+27°
+25°
Dec
swipe sideways →
Bar color shows temperature:frostcoolcomfortablewarmhot— best months to visit
| Month | Day | Night | Sea | Precipitation | What to pack and what makes the month notable (events, nuances) |
|---|---|---|---|---|---|
| January | +28° | +26° | +29° | 150 mm | Gentle warmth — about +28° daytime, great walking weather. Frequent rain (150 mm over the month) — keep indoor backup plans. 😊 light summer clothing. Water at +29° — great for swimming. |
| February | +29° | +26° | +29° | 127 mm | A comfortable month: +29° by day without exhausting heat. One of the wettest months (127 mm): downpours can derail plans. 😊 light summer clothing. Water at +29° — great for swimming. |
| March | +29° | +26° | +29° | 149 mm | Warm and comfortable: +29° by day, +26° at night. It's a rainy month (149 mm) — an umbrella is a must. 😊 light summer clothing. Water at +29° — great for swimming. This is the hottest month of the year in São Tomé. |
| April | +29° | +26° | +29° | 146 mm | Gentle warmth — about +29° daytime, great walking weather. Frequent rain (146 mm over the month) — keep indoor backup plans. 😊 light summer clothing. Water at +29° — great for swimming. The sea is at its warmest of the year this month. |
| May | +28° | +26° | +29° | 135 mm | A comfortable month: +28° by day without exhausting heat. One of the wettest months (135 mm): downpours can derail plans. 😊 light summer clothing. Water at +29° — great for swimming. |
| June | +27° | +25° | +28° | 30 mm | Warm and comfortable: +27° by day, +25° at night. 😊 light summer clothing. Water at +28° — great for swimming. The longest daylight hours of the year — more time for everything. |
| July | +26° | +24° | +27° | 17 mm | Ideal weather: +26° daytime — neither hot nor cold. 😊 light summer clothing. Water at +27° — great for swimming. This is the coldest month of the year. |
| August | +26° | +24° | +26° | 32 mm | A comfortable month: +26° by day without exhausting heat. 😊 light summer clothing. Water at +26° — great for swimming. Weather-wise, one of the three best months to visit. |
| September | +26° | +25° | +27° | 82 mm | Warm and comfortable: +26° by day, +25° at night. It's a rainy month (82 mm) — an umbrella is a must. 😊 light summer clothing. Water at +27° — great for swimming. |
| October | +27° | +25° | +28° | 200 mm | Gentle warmth — about +27° daytime, great walking weather. Frequent rain (200 mm over the month) — keep indoor backup plans. 😊 light summer clothing. Water at +28° — great for swimming. |
| November | +27° | +25° | +28° | 233 mm | A comfortable month: +27° by day without exhausting heat. One of the wettest months (233 mm): downpours can derail plans. 😊 light summer clothing. Water at +28° — great for swimming. Statistically the wettest month of the year. |
| December | +27° | +25° | +29° | 191 mm | Warm and comfortable: +27° by day, +25° at night. It's a rainy month (191 mm) — an umbrella is a must. 😊 light summer clothing. Water at +29° — great for swimming. The shortest daylight of the year — it gets dark early. |
When to visit São Tomé
✅ Recommended time to visit
🌟 Best time: June, July, August
Daytime air+26…+27°
Sea temperature+26…+28°
Precipitationrare
Why: comfortable +26…+27° by day, little rain, warm sea (+26…28°).
⚠️ Doable, with caveats
🌤️ Shoulder season: January, February, March, April, May, September
Daytime air+26…+29°
Sea temperature+27…+29°
Precipitationoften
Why: noticeable rain risk (82–150 mm/month) — pack an umbrella and backup plans.
🔴 Not the best time
🌤️ Shoulder season: October, November, December
Daytime air+27…+27°
Sea temperature+28…+29°
Precipitationoften
Why: the rainy season (191–233 mm/month) — downpours almost daily.
Bottom line: the best time to visit São Tomé is June – August, and the most comfortable months are June, July, August. The toughest months to visit are October, November, December: frequent rain.
🌡️ Today vs the climate normal
Today's high
+28°
Normal for September
+26°
Deviation
2° warmer than normal
A year ago on this day
+28°
Record for this date
+29° (2021)
The normal, “a year ago” and the record come from the weather archive since 1940 (Open-Meteo / ERA5).
Weather archive for São Tomé
📅 See what the weather was like on any day since 1940. For example: “what was the weather on March 2, 2021”.
Show the archive for the selected day →
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Weather in cities near São Tomé
Frequently asked questions about the weather in São Tomé
What is the weather in São Tomé right now?＋
Drizzle, +25°, feels like +31°.
Will it rain in São Tomé today?＋
Yes: 73% chance, 13 mm.
When is the best time to visit São Tomé?＋
Best time to visit — June – August.
Can you swim in São Tomé in summer?＋
In winter the water is around +29° — great for swimming. In summer the sea warms up to +27°.
What time are sunrise and sunset in São Tomé?＋
Sunrise 05:26, sunset 17:32.
Does it snow in São Tomé in winter?＋
No, it practically never snows.
What is the climate in São Tomé by month?＋
Summers up to +29° in March, winters around +24° in July; the wettest month is November.
Is it cold in São Tomé in winter?＋
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.