May weather forecast
Ponta Figo, São Tomé and Príncipe

May brings about an observable shift in Ponta Figo's weather pattern, as temperatures begin a downward trend, easing from the constant high levels experienced in the year so far. This month's conditions play an important role in signaling the upcoming arrival of the drier season. Rainfall slowly subsides, paving the way for sunnier days and clearer skies as the city gears toward embracing the dry season. Among the notable characteristics of May is the average rainfall value of 122mm (4.8"), indicating the onset of a period experiencing lesser rainfall compared to the rain-soaked start of the year.

Temperature

May's onset in Ponta Figo brings an average high-temperature of a still warm 27.8°C (82°F), showing a minute difference from April's 28.6°C (83.5°F). Ponta Figo maintains an average low-temperature of 26.3°C (79.3°F) throughout May's nights.

Heat index

Throughout May, the heat index is estimated at a tropical 31°C (87.8°F). With unrelenting exposure and activity, one might experience exhaustion, leading to potential heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', shows a temperature sensation when both heat and moisture conditions are combined. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.

Humidity

In Ponta Figo, São Tomé and Príncipe, the average relative humidity in May is 79%.

Rainfall

In Ponta Figo, in May, during 20.5 rainfall days, 122mm (4.8") of precipitation is typically accumulated. Throughout the year, there are 241.7 rainfall days, and 1287mm (50.67") of precipitation is accumulated.

Daylight

In May, the average length of the day in Ponta Figo is 12h and 8min.
On the first day of the month, sunrise is at 05:26 and sunset at 17:34. On the last day of May, in Ponta Figo, São Tomé and Príncipe, sunrise is at 05:27 and sunset at 17:35 GMT.

Sunshine

In May, the average sunshine 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. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for average individuals.
Note: A maximum high daily UV index of 7 during May translates into the following directions:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.