May weather forecast
Monte Carmo, São Tomé and Príncipe

May in Monte Carmo witnesses a further reduction in temperatures indicating the onset of cooler months. Even with lower temperatures, the city experiences maximum relative humidity of 79%, further enhancing the tropical climate feel. Despite the rise in humidity levels, May continues to be the perfect month for outdoor activities, provided one dresses accordingly. A notable weather phenomenon this month is the further drop in average daily temperatures to 27.8°C (82°F). Nevertheless, the weather remains pleasant enough to explore the city's pristine natural beauty and landscapes.

Temperature

May's average high-temperature in Monte Carmo stands at a still moderately hot 27.8°C (82°F), showing little deviation from April's 28.6°C (83.5°F). Nighttime temperature in Monte Carmo sees a small decrement from daytime highs, dipping to an average of 26.3°C (79.3°F) during May.

Heat index

During May, the heat index is appraised at a hot 31°C (87.8°F). If one stays active during extended exposure, it might induce fatigue and result in heat cramps.
Research indicates the heat index considers values in shaded locales and with light winds. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'feels like' or 'apparent temperature', joins air temperature with relative humidity to produce a temperature perception for humans. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.

Humidity

The average relative humidity in May is 79%.

Rainfall

In Monte Carmo, São Tomé and Príncipe, in May, it is raining for 20.5 days, with typically 122mm (4.8") of accumulated precipitation. In Monte Carmo, during the entire year, the rain falls for 241.7 days and collects up to 1287mm (50.67") of precipitation.

Daylight

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

Sunshine

In Monte Carmo, 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. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the average person.
Note: During May, 7 as the daily maximum UV index converts into the following advice:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.