April weather forecast
Dona Augusta, São Tomé and Príncipe

April signifies the continuation of the transition from hotter to cooler months, with daily temperatures slightly dipping and the environment still maintaining its humid character. The higher temperature only slightly drops to an average of 28.6°C (83.5°F), a relief during the 22 rain-filled days. Tropical vegetation is most lush and green during this period, thrives in these conditions. The beauty of Dona Augusta is magnified, making it an ideal time for nature lovers to visit. The light breeze keeps the humidity and temperatures in check.

Temperature

As April takes its course, Dona Augusta's average high-temperature registers at a still moderately hot 28.6°C (83.5°F), closely aligning with the preceding month. With a barely noticeable fluctuation in temperature, Dona Augusta reaches an average low of 27.2°C (81°F) during the April nights.

Heat index

In April, the average heat index is computed to be a tropical 33°C (91.4°F). Adopt extra safety steps, risk of heat exhaustion and heat cramps is notable. Sustained activity might cause heatstroke.
It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young children typically face greater hazards than adults because they do not sweat as much. Their larger skin surface in comparison to their little bodies and the high heat production from their active nature compounds their vulnerability.

Humidity

In Dona Augusta, the average relative humidity in April is 77%.

Rainfall

In Dona Augusta, during April, the rain falls for 22 days and regularly aggregates up to 126mm (4.96") of precipitation. In Dona Augusta, São Tomé and Príncipe, during the entire year, the rain falls for 241.7 days and collects up to 1287mm (50.67") of precipitation.

Daylight

In April, the average length of the day is 12h and 7min.
On the first day of April in Dona Augusta, sunrise is at 05:33 and sunset at 17:40. On the last day of the month, sunrise is at 05:27 and sunset at 17:34 GMT.

Sunshine

The average sunshine in April in Dona Augusta is 8.1h.

UV index

The months with the highest UV index in Dona Augusta are January through May, October through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: A maximum UV index of 7 in April translates into the following recommendations:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.