May weather forecast
Bissabur, Guinea-Bissau

May, the last month of the spring in Bissabur, is also a blisteringly hot month, with temperature in the range of an average low of 24.1°C (75.4°F) and an average high of 40.5°C (104.9°F).

Temperature

The shift from April to May is characterized by an average high-temperature of a still extremely hot 40.5°C (104.9°F), not significantly different from the 41.3°C (106.3°F) of April. Bissabur's nighttime temperatures in May reflect a stark contrast to the day's highs, falling to an average low of 24.1°C (75.4°F).

Heat index

The average heat index in May is evaluated at a life-threatening hot 52°C (125.6°F). Prudent: Heat cramps and heat exhaustion are likely. Heatstroke becomes imminent with sustained exertion.
Heat index's context suggests values are appropriate for shady areas and slight breezes. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', reflects the feeling of heat when considering both air temperature and humidity. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
When temperatures rise, the human body turns to perspiration, using the cooling power of evaporating sweat. When the level of relative humidity is elevated, evaporation diminishes, causing more warmth to be retained in the body than in dry air. Excessive heat gain, when not shed effectively by the body, can result in increasing body temperatures and related hazards.

Humidity

In May, the average relative humidity in Bissabur is 44%.

Rainfall

In Bissabur, in May, during 3.3 rainfall days, 4mm (0.16") of precipitation is typically accumulated. In Bissabur, during the entire year, the rain falls for 109.1 days and collects up to 654mm (25.75") of precipitation.

Daylight

In May, the average length of the day is 12h and 42min.
On the first day of May, sunrise is at 06:42 and sunset at 19:17. On the last day of the month, sunrise is at 06:36 and sunset at 19:24 GMT.

Sunshine

The average sunshine in May in Bissabur is 9.8h.

UV index

March through May, with an average maximum UV index of 8, are months with the highest UV index in Bissabur, Guinea-Bissau. A UV Index value of 8 to 10 symbolizes a very high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index, 8 in May, converts into the following recommendations:
Swift harm can befall unprotected skin and eyes. Prioritize safety. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.