May weather forecast
Cantagalo, São Tomé and Príncipe

May brings about subtle changes in the weather of Cantagalo, as evident in the slight dip in temperature and a marginal increase in rainfall. Wind speeds increase to 13km/h (8.1mph), resulting in a more aerated atmosphere, particularly in open spaces. Relative humidity levels rise to 79%, hinting at increased moisture in the air which contributes to a distinctive wet-season ambience. Furthermore, the UV index remains steady, signifying a constant exposure level to ultraviolet radiation from the sun, thus outdoor activities require appropriate preparation.

Temperature

As Cantagalo steps into May, the average high-temperature is measured at a still moderately hot 27.8°C (82°F), displaying minor differences from April's 28.6°C (83.5°F). Cantagalo experiences a subtle drop in temperature during the May nights, recording an average of 26.3°C (79.3°F).

Heat index

Throughout May, the heat index is calculated to be a tropical 31°C (87.8°F). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Metrics for the heat index primarily focus on shaded spots and light wind conditions. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is an estimation of the warmth sensation when considering humidity levels. 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. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.

Humidity

In Cantagalo, the average relative humidity in May is 79%.

Rainfall

In Cantagalo, São Tomé and Príncipe, during May, the rain falls for 20.5 days and regularly aggregates up to 122mm (4.8") of precipitation. Throughout the year, in Cantagalo, there are 241.7 rainfall days, and 1287mm (50.67") of precipitation is accumulated.

Daylight

The average length of the day in May is 12h and 8min.
On the first day of May, sunrise is at 05:26 and sunset at 17:34. On the last day of the month, sunrise is at 05:26 and sunset at 17:35 GMT.

Sunshine

The average sunshine in May is 7.6h.

UV index

January through May, October through December, with an average maximum UV index of 7, are months with the highest UV index in Cantagalo. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: A maximum high UV index of 7 in May translates into the following recommendations:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.