May weather forecast
Benin

May in Benin marks a progression of the wet season, with increased rainfall and consistently high temperatures. The average rainfall in May surges to 140mm (5.51"), notably more than in April, signifying that the wet season is in full swing.

Temperatures in May remain high, ranging from 25°C (77°F) to 34°C (93.2°F), closely mirroring those of April. Coastal cities such as Cotonou and Porto-Novo experience minimum temperatures around 25°C (77°F), while in the northern regions, cities like Kandi and Natitingou experience cooler nights with temperatures dropping to approximately 21°C (69.8°F). Despite the high daytime temperatures, the frequent rains and overcast skies can provide relief from the intense heat.

The heightened rainfall in May significantly increases the humidity across the country, resulting in a muggy and damp environment. This period is also marked by overcast skies and reduced sunshine hours.

Looking ahead to June, the wet season continues its course with rainfall intensifying further, particularly in the southern regions. Temperatures remain relatively constant but with the increase in rainfall and cloud cover, the overall weather becomes more humid and less predictable.

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• Porto Novo - May »
  The months with the highest UV index are January through May, August, October through December, with an average maximum UV index of 7. May is marked by a significant break in temperature trends as Porto Novo begins experiencing slightly cooler weather, particularly when compared to April.
• Cotonou - May »
  The months with the warmest seawater in Cotonou are March through May and November, with an average sea temperature of 29°C (84.2°F). On the last day of the month, in Cotonou sunrise is at 06:34 and sunset at 19:02 WAT.
• Parakou - May »
  Despite this slight respite from heat, humidity levels increase to 65%, making May a moist month in Parakou. The advent of May in Parakou brings an average high-temperature of a still sweltering 35.3°C (95.5°F), exhibiting minor difference from the previous month.
• Djougou - May »
  In Djougou in May, it is raining for 14.1 days, with typically 55mm (2.17") of accumulated precipitation. On the last day of the month, in Djougou, sunrise is at 06:31 and sunset at 19:10 WAT.
• Bohicon - May »
  Augmented relative humidity impedes typical body cooling mechanisms by lowering the evaporation rate, resulting in decreased body cooling and an amplified perception of heat. May immerses Bohicon residents and visitors in its warm tropical climate, characterized by an upsurge in rainfall to 60mm (2.36") over 19.6 days.
• Kandi - May »
  Augmented relative humidity impedes typical body cooling mechanisms by lowering the evaporation rate, resulting in decreased body cooling and an amplified perception of heat. In Kandi during May, the rain falls for 11 days and regularly aggregates up to 32mm (1.26") of precipitation.
• Natitingou - May »
  On the last day of the month, in Natitingou sunrise is at 06:31 and sunset at 19:12 WAT. May is characterized by an even higher prevalence of rainfall in Natitingou, with a precipitation peak of 91mm (3.58"), signaling the peak season of rain.
• Ouidah - May »
  In Ouidah during May, the rain falls for 19.3 days and regularly aggregates up to 68mm (2.68") of precipitation. In Ouidah snow does not fall in January through August, October through December.
• Abomey - May »
  The months with the highest UV index in Abomey are February through May, August through October, with an average maximum UV index of 12. In Abomey, during the entire year, the rain falls for 103 days and collects up to 1059mm (41.69") of precipitation.
• Save - May »
  The heat index, also known as 'real feel' or 'feels like', is a single figure representing how weather conditions feel when combining temperature and humidity. 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.
• Tchaourou - May »
  The initiation of May in Tchaourou records an average high-temperature of a still hot 33°C (91.4°F), displaying a near consistency with the previous month. In May, on the first day of the month, sunrise is at 06:33 and sunset at 19:00.