If you planning to travel to Santo Antonio Bay Beach, Principe Island, Sao Tome and Principe, here is your 6-day travel weather forecast to make sure you have all the essentials needed during your stay. Start your day when the sunrises at 5:30 AM. The temperature feels like 89.05 with a humidity level of 81 so dress accordingly. Cloud coverage is 0 percent with visibility at 14.9 percent. Today’s UV index is 10, don’t forget the sunscreen if you need it! Today’s winds are traveling west-southwest at a speed of 4 MPH. At the end of the day don’t miss the sunset at 5:30 PM.