May weather forecast
Ondame, Guinea-Bissau

As Ondame, Guinea-Bissau strides into May, it fully embraces the wet season. A considerable surge in humidity and rainfall sets it apart from the previous months. Likewise, temperatures oscillate within a smaller band, hitting a high of 33.7°C (92.7°F) and a low of 24.4°C (75.9°F). Stronger and more incessant winds define the month, exaggerating the effects of the rising humidity levels. The climate is a mélange of sunny and rainy days, with rainfall being a common phenomenon towards the latter part of the month.

Temperature

As May unfolds in Ondame, the average high-temperature reaches a tropical 33.7°C (92.7°F), hinting at a slight fluctuation from the previous month. Ondame experiences an average nighttime temperature of 24.4°C (75.9°F) in the month of May.

Heat index

The average heat index in May is appraised at a blistering 41°C (105.8°F). Undertake enhanced precautions, heat exhaustion and heat cramps are possible risks. Continuous activity could trigger heatstroke.
One should consider that heat index numbers are for shaded settings and light wind. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
By perspiring, the human body can shed its excessive warmth since evaporated sweat cools it off. When relative humidity is on the rise, it curtails evaporation, thereby reducing the heat elimination from the body and causing the feeling of being excessively hot. The body faces dehydration threats when its cooling efforts are outpaced by excessive heat gain.

Humidity

In Ondame, the average relative humidity in May is 60%.

Rainfall

In Ondame, during May, the rain falls for 3.8 days and regularly aggregates up to 7mm (0.28") of precipitation. In Ondame, during the entire year, the rain falls for 107.5 days and collects up to 726mm (28.58") of precipitation.

Daylight

In Ondame, the average length of the day in May is 12h and 40min.
On the first day of the month, sunrise is at 06:44 and sunset at 19:17. On the last day of May, sunrise is at 06:38 and sunset at 19:24 GMT.

Sunshine

The months with the most sunshine are March through May, with an average of 9.9h of sunshine.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index in Ondame. The months with the lowest UV index in Ondame are January through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: In May, the maximum UV index of 7 translates into these guidelines:
Fend off overexposure. Sun protection is vital. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.