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São Tomé UV Index Today

Day Summary

The UV index in São Tomé, São Tomé and Príncipe Flag of São Tomé and Príncipe will reach a high of 11.2 today. This means a extreme level of sun exposure. See our tips below to stay safe!

Last checked: 2025-09-02

Hourly Forecast Chart

Today's Safety Tips

Extreme danger! Avoid being in the sun, especially during midday. If you go out, cover up with clothing, a hat, and sunglasses, and use plenty of sunscreen.

São Tomé's UV Index

São Tomé has a high UV index year-round, often ranging from moderate to very high, especially from September to April. Sun exposure is intense most days, requiring caution when outside.

Weather Seasons

UV index

The climate is tropical with two main seasons: a rainy season from October to May and a drier season from June to September. Temperatures stay warm all year, averaging around 25-30°C (77-86°F).

São Tomé's Climate

Compared to nearby countries like Gabon and Equatorial Guinea, São Tomé experiences more consistent warmth and humidity due to its island location. Its rainfall is heavier than in many mainland areas, making it lush and green.

Hourly UV Index Trend

See the UV index hour by hour for São Tomé. When the level is high, it's smart to find some shade.

Disclaimer

* The information on this page about the UV index in São Tomé is for educational purposes only. It is not a substitute for professional medical advice. Always consult a doctor for any health concerns.