April weather forecast
Bela Vista, São Tomé and Príncipe

April in Bela Vista, São Tomé, and Príncipe brings about a mild departure from the preceding atmospheric conditions. The rainfall peaks marginally, achieving about 126mm (4.96"), and coupling with the prevailing high humidity, it underscores the tropical nature of the climate. Interestingly, the cloud cover remains stable at 39% of the sky, while the sunshine hours experience a moderate decline to 8.1 hours. Although they experience a significant amount of rain, the residents of Bela Vista can still count on 12.1 hours of daylight. Concurrently, the wind speed decreases marginally, adding to the tranquillity of the tropical setting.

Temperature

Bela Vista transitions into April recording an average high-temperature of a still moderately hot 28.6°C (83.5°F), closely aligning with the preceding month's temperature. Bela Vista, during the nights of April, averages a temperature close to its daytime high, at a still moderately hot 27.2°C (81°F).

Heat index

The heat index in April is evaluated at a tropical 33°C (91.4°F). Exercise heightened safety, heat cramps and heat exhaustion are probable. Persistent activity may provoke heatstroke.
Be aware that heat index ratings are designed for shaded locations and minor breezes. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a value derived by merging air temperature with the humidity to convey how the climate feels. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.

Humidity

In April, the average relative humidity in Bela Vista, São Tomé and Príncipe, is 77%.

Rainfall

In April, the rain falls for 22 days. Throughout April, 126mm (4.96") of precipitation is accumulated. Throughout the year, there are 241.7 rainfall days, and 1287mm (50.67") of precipitation is accumulated.

Daylight

The average length of the day in April is 12h and 7min.
On the first day of April in Bela Vista, sunrise is at 05:33 and sunset at 17:40. On the last day of the month, sunrise is at 05:26 and sunset at 17:34 GMT.

Sunshine

In April, the average sunshine in Bela Vista is 8.1h.

UV index

January through May, October through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: In April, a daily UV index of 7 turns into the following recommendations:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.