April weather forecast
Monte Rosa, São Tomé and Príncipe

Transitioning into April, Monte Rosa weather conditions are characterized by slight changes, among them, the notable increase in monthly rainfall amounting to 126mm (4.96"). This increase in rainfall slightly overshadows the otherwise constant weather conditions from the previous month. Regardless of the increased showers, temperatures remain relatively stable, maintaining the warm weather conditions. The sunlight hours slightly decline in comparison to clearer days in the earlier months. Moving towards May, you might anticipate a terrific rise in relative humidity and significantly more rainfall.

Temperature

April's onset in Monte Rosa sees an average high-temperature of a still moderately hot 28.6°C (83.5°F), exhibiting a slight fluctuation from the previous month. Monte Rosa experiences a subtle drop in temperature during the April nights, recording an average of 27.2°C (81°F).

Heat index

For most parts of April, the heat index is computed to be a hot 33°C (91.4°F). Implement additional cautionary measures, heat cramps and heat exhaustion could occur. Prolonged activity might induce heatstroke.
Be aware that heat index ratings are designed for shaded locations and minor breezes. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is found by incorporating humidity levels into the air temperature measurement. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.

Humidity

The average relative humidity in April is 77%.

Rainfall

In Monte Rosa, in April, it is raining for 22 days, with typically 126mm (4.96") of accumulated precipitation. Throughout the year, there are 241.7 rainfall days, and 1287mm (50.67") of precipitation is accumulated.

Daylight

In Monte Rosa, the average length of the day in April is 12h and 7min.
On the first day of April, sunrise is at 05:34 and sunset at 17:41. On the last day of the month, sunrise is at 05:27 and sunset at 17:34 GMT.

Sunshine

In Monte Rosa, the average sunshine in April is 8.1h.

UV index

The months with the highest UV index in Monte Rosa 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 vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: A maximum UV index of 7 in April translates into the following recommendations:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Employ a wide-brim hat for potent defense against up to 50% of UV rays.