May weather forecast
Formiga, São Tomé and Príncipe

The month of May brings visible transformations to the weather in Formiga. With reduced temperature highs dipping to 27.8°C (82°F) and a minor rise in relative humidity to 79%, it can be said that May introduces a comfortable balance between warmth and humidity. Alongside this, there is a decrease in the amount of sunshine, marked by lower average hours of shiny brightness. Dominated by picturesque cloud formations, combining with a softer sun and a consistent breeze, May extends an ideal ambience for outdoor activities or simply soaking up the tropical environment.

Temperature

The shift into May in Formiga reveals an average high-temperature of a still warm 27.8°C (82°F), closely mirroring April's climate. Formiga encounters an average temperature dip to a still warm 26.3°C (79.3°F) throughout May, subtly lower than its daytime maximum.

Heat index

May's average heat index is appraised at a tropical 31°C (87.8°F). Persistently participating in activities during exposure may lead to fatigue and induce heat cramps.
It is worth noting that heat index values are gauged for conditions in the shade and light breezes. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.

Humidity

The average relative humidity in May is 79%.

Rainfall

In Formiga, during May, the rain falls for 20.5 days and regularly aggregates up to 122mm (4.8") of precipitation. In Formiga, during the entire year, the rain falls for 241.7 days and collects up to 1287mm (50.67") of precipitation.

Daylight

The average length of the day in May is 12h and 8min.
On the first day of May, sunrise is at 05:27 and sunset at 17:34. On the last day of the month, sunrise is at 05:27 and sunset at 17:35 GMT.

Sunshine

In Formiga, the average sunshine in May is 7.6h.

UV index

The months with the highest UV index 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 threat to health from exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 7 in May transforms into the following instructions:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.