May weather forecastLagos, Nigeria

May
Weather in May
May comes with heavy rain in Lagos, indicating a full immersion in the rainy season. Temperature and daylight time appear stable, maintaining the trend from the month of April. The rainfall, despite its increase, does not considerably affect the amount of sunshine in the city. Sea temperatures peak this month providing warm conditions for water-based activities. In May, Lagos receives its highest annual rainfall totaling 205mm (8.07").Temperature
The advent of May in Lagos brings an average high-temperature of a still hot 30.9°C (87.6°F), exhibiting minor difference from the previous month. During the month of May, the temperature falls to an average of 23.1°C (73.6°F).Rainfall
In Lagos, during May, the rain falls for 12.4 days and regularly aggregates up to 205mm (8.07") of precipitation. Throughout the year, in Lagos, there are 102.8 rainfall days, and 1538mm (60.55") of precipitation is accumulated.Sea temperature
May is the month with the warmest seawater, with an average sea temperature of 29.2°C (84.6°F).Note: Surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as excellent and extremely agreeable for enduring enjoyment in water activities.
Daylight
The average length of the day in May in Lagos is 12h and 25min.On the first day of the month, sunrise is at 06:32 and sunset at 18:54. On the last day of May, sunrise is at 06:29 and sunset at 18:58 WAT.
Sunshine
In Lagos, the average sunshine in May is 5.7h.UV index
February through May, August through October, with an average maximum UV index of 12, are months with the highest UV index. A UV Index value of 11, and more, symbolizes an extreme threat to health from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 12 in May converts into the following recommendations:
Put into action all crucial precautions. Defense against sun damage is a must. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. To cut down UV radiation exposure by about half, sport a wide-brim hat. Regardless of cloud cover, it's recommended to apply generously and reapply often a sunscreen with an SPF of at least 30, especially after swimming or any outdoor activity. Attention! UV radiation is ramped up when reflecting off sand and water surfaces.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Lagos, Nigeria
- Average high temperature in May: 30.9°C
The warmest month (with the highest average high temperature) is February (33.1°C).
The months with the lowest average high temperature are July and August (28.1°C).
- Average low temperature in May: 23.1°C
The month with the highest average low temperature is March (23.8°C).
The coldest month (with the lowest average low temperature) is August (21.7°C).
Average rainfall in May
Lagos, Nigeria
- Average rainfall in May: 204.8mm
The wettest month (with the highest rainfall) is June (312.2mm).
The driest month (with the least rainfall) is January (14.3mm).
Average rainfall days in May
Lagos, Nigeria
- Average rainfall days in May: 12.4 days
The month with the highest number of rainy days is June (16.2 days).
The month with the least rainy days is December (1.4 days).
Average sea temperature in May
Lagos, Nigeria
- Average sea temperature in May: 29.2°C
The best month for swimming (with the highest average sea temperature) is May (29.2°C).
The coldest month (with the lowest average sea temperature) is August (25.3°C).
Average daylight in May /
Average sunshine in May
Lagos, Nigeria
- Average daylight in May: 12h and 24min
The month with the longest days is June (Average daylight: 12h and 30min).
The month with the shortest days is December (Average daylight: 11h and 48min).
- Average sunshine in May: 5h and 42min
The months with the most sunshine are November and December (Average sunshine: 6h and 12min).
The month with the least sunshine is July (Average sunshine: 3h and 12min).
Average UV index in May
Lagos, Nigeria
- Average UV index in May: 12
The months with the highest UV index are February, March, April, May, August, September and October (UV index 12).
The month with the lowest UV index is December (UV index 10).





