Weather and climate in Lagos (Nigeria)

The climate of Lagos is tropical, hot all year round, with a dry season from November to March and a rainy season from April to October.
The city is located in southwestern Nigeria, on the coast of the Gulf of Guinea.
The humidity is high all year round, but especially in the rainy period.
The rains are abundant especially from May to July.
The highest temperatures are recorded in the dry season.
The Harmattan, the dry and dust-laden wind from the Sahara, arrives in Lagos more rarely than in north-central Nigeria.

Lagos - Climate data

The average temperature of the coldest month (August) is of 25.6 °C (78.2 °F), that of the warmest month (March) is of 29.5 °C (85.1 °F). Here are the average temperatures.
Precipitation amounts to 1550 millimeters (61 inches) per year: it is therefore abundant. It ranges from 23 mm (0.9 in) in the driest month (December) to 291 mm (11.5 in) in the wettest one (June). Here is the average precipitation.
The sea temperature ranges from 25.5 °C (78 °F) in August to 29 °C (84 °F) in March, April, May. Here are the average sea temperatures.
There are on average around 1845 sunshine hours per year. Here are the average hours of sunshine per day.

Lagos - Weather by month

Based on the period 1991-2020

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January is generally a very hot, muggy month. The average temperature is of 28.4 °C (83 °F), with a minimum of 23.5 °C (74.3 °F) and a maximum of 33.2 °C (91.8 °F).
On the coldest nights of the month, the temperature usually drops to around 18.5 °C (65.5 °F).
On the warmest days of the month, the temperature usually reaches around 36.5 °C (97.5 °F).
Precipitation amounts to 24 mm (0.9 in), and all occurs in one day.
The day lasts on average 11 hours and 50 minutes.
There are on average 5.5 hours of sunshine per day. So, the sun shines 45% of the time.
The average humidity is 71%. Hence, the air is normally humid.
The average wind speed is 8 kph (5 mph).
The average sea temperature is of 28 °C (82 °F). Therefore, the sea is pleasantly warm and allows long swims.

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February is generally a very hot, muggy month. The average temperature is of 29.4 °C (85 °F), with a minimum of 24.8 °C (76.6 °F) and a maximum of 34 °C (93.2 °F).
On the coldest nights of the month, the temperature usually drops to around 21 °C (70 °F).
On the warmest days of the month, the temperature usually reaches around 36 °C (96.5 °F).
Precipitation amounts to 44 mm (1.7 in), distributed over 2 days.
The day lasts on average 11 hours and 55 minutes.
There are on average 6 hours of sunshine per day. So, the sun shines 50% of the time.
The average humidity is 77%. Hence, the air is normally humid.
The average wind speed is 9 kph (6 mph).
The average sea temperature is of 28.5 °C (83 °F). Therefore, the sea is pleasantly warm and allows long swims.

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March, the hottest month of the year, is generally a very hot, muggy month. The average temperature is of 29.5 °C (85 °F), with a minimum of 25.3 °C (77.5 °F) and a maximum of 33.7 °C (92.7 °F).
On the coldest nights, the temperature usually drops to around 22.5 °C (72.5 °F).
On the warmest days, the temperature usually reaches around 36 °C (97 °F).
Precipitation amounts to 71 mm (2.8 in), distributed over 5 days.
The day lasts on average 12 hours and 5 minutes.
There are on average 5.5 hours of sunshine per day. So, the sun shines 46% of the time.
The average humidity is 78%. Hence, the air is normally humid.
The average wind speed is 11 kph (7 mph).
The average sea temperature is of 29 °C (84 °F). Therefore, the sea is pleasantly warm and allows long swims.

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April is generally a very hot, muggy month. The average temperature is of 29 °C (84 °F), with a minimum of 25 °C (77 °F) and a maximum of 33 °C (91.4 °F).
On the coldest nights, the temperature usually drops to around 21 °C (70.5 °F).
On the warmest days, the temperature usually reaches around 36.5 °C (97.5 °F).
Precipitation amounts to 142 mm (5.6 in), distributed over 7 days.
The day lasts on average 12 hours and 20 minutes.
There are on average 6 hours of sunshine per day. So, the sun shines 49% of the time.
The average humidity is 80%. Hence, the air is normally humid.
The average wind speed is 11 kph (7 mph).
The average sea temperature is of 29 °C (84 °F). Therefore, the sea is pleasantly warm and allows long swims.

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May is generally a very hot, muggy month. The average temperature is of 28.2 °C (83 °F), with a minimum of 24.4 °C (75.9 °F) and a maximum of 31.9 °C (89.4 °F).
On the coldest nights, the temperature usually drops to around 21.5 °C (70.5 °F).
On the warmest days, the temperature usually reaches around 35 °C (94.5 °F).
Precipitation amounts to 205 mm (8.1 in), distributed over 11 days.
The day lasts on average 12 hours and 25 minutes.
There are on average 5.5 hours of sunshine per day. So, the sun shines 46% of the time.
The average humidity is 83%. Hence, the air is normally humid.
The average wind speed is 9 kph (6 mph).
The average sea temperature is of 29 °C (84.5 °F). Therefore, the sea is pleasantly warm and allows long swims.

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June is generally a warm to hot, muggy month. The average temperature is of 26.4 °C (80 °F), with a minimum of 22.8 °C (73 °F) and a maximum of 30.1 °C (86.2 °F).
On the coldest nights, the temperature usually drops to around 21.5 °C (70.5 °F).
On the warmest days, the temperature usually reaches around 33 °C (91.5 °F).
Precipitation amounts to 291 mm (11.5 in), distributed over 15 days.
The day lasts on average 12 hours and 30 minutes.
There are on average 4 hours of sunshine per day. So, the sun shines 30% of the time.
The average humidity is 87%. Hence, the air is normally humid.
The average wind speed is 10 kph (6 mph).
The average sea temperature is of 28 °C (82.5 °F). Therefore, the sea is pleasantly warm and allows long swims.

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July is generally a warm to hot, muggy month. The average temperature is of 25.8 °C (78 °F), with a minimum of 22.7 °C (72.9 °F) and a maximum of 28.8 °C (83.8 °F).
On the coldest nights of the month, the temperature usually drops to around 20 °C (68 °F).
On the warmest days of the month, the temperature usually reaches around 31.5 °C (88.5 °F).
Precipitation amounts to 195 mm (7.7 in), distributed over 11 days.
The day lasts on average 12 hours and 30 minutes.
There are on average 3 hours of sunshine per day. So, the sun shines 26% of the time.
The average humidity is 87%. Hence, the air is normally humid.
The average wind speed is 12 kph (8 mph).
The average sea temperature is of 26.5 °C (79.5 °F). Therefore, the sea is pleasantly warm and allows long swims.

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August, the least warm month of the year, is generally a warm to hot, muggy month. The average temperature is of 25.6 °C (78 °F), with a minimum of 22.6 °C (72.7 °F) and a maximum of 28.7 °C (83.7 °F).
On the coldest nights of the month, the temperature usually drops to around 21.5 °C (71 °F).
On the warmest days of the month, the temperature usually reaches around 31 °C (88 °F).
Precipitation amounts to 72 mm (2.8 in), distributed over 7 days.
The day lasts on average 12 hours and 20 minutes.
There are on average 3.5 hours of sunshine per day. So, the sun shines 28% of the time.
The average humidity is 86%. Hence, the air is normally humid.
The average wind speed is 12 kph (8 mph).
The average sea temperature is of 25.5 °C (78 °F). Therefore, the sea is warm enough for swimming.

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September is generally a warm to hot, muggy month. The average temperature is of 25.9 °C (79 °F), with a minimum of 22.5 °C (72.5 °F) and a maximum of 29.3 °C (84.7 °F).
On the coldest nights, the temperature usually drops to around 21 °C (70 °F).
On the warmest days, the temperature usually reaches around 32.5 °C (90.5 °F).
Precipitation amounts to 206 mm (8.1 in), distributed over 13 days.
The day lasts on average 12 hours and 5 minutes.
There are on average 4 hours of sunshine per day. So, the sun shines 31% of the time.
The average humidity is 87%. Hence, the air is normally humid.
The average wind speed is 10 kph (6 mph).
The average sea temperature is of 26.5 °C (79.5 °F). Therefore, the sea is pleasantly warm and allows long swims.

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October is generally a warm to hot, muggy month. The average temperature is of 26.6 °C (80 °F), with a minimum of 22.5 °C (72.5 °F) and a maximum of 30.6 °C (87.1 °F).
On the coldest nights, the temperature usually drops to around 21.5 °C (70.5 °F).
On the warmest days, the temperature usually reaches around 33 °C (91.5 °F).
Precipitation amounts to 183 mm (7.2 in), distributed over 12 days.
The day lasts on average 12 hours and 0 minutes.
There are on average 5.5 hours of sunshine per day. So, the sun shines 45% of the time.
The average humidity is 87%. Hence, the air is normally humid.
The average wind speed is 8 kph (5 mph).
The average sea temperature is of 27.5 °C (81.5 °F). Therefore, the sea is pleasantly warm and allows long swims.

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November is generally a warm to hot, muggy month. The average temperature is of 27.2 °C (81 °F), with a minimum of 22.2 °C (72 °F) and a maximum of 32.3 °C (90.1 °F).
On the coldest nights, the temperature usually drops to around 21.5 °C (70.5 °F).
On the warmest days, the temperature usually reaches around 35.5 °C (96 °F).
Precipitation amounts to 94 mm (3.7 in), distributed over 6 days.
The day lasts on average 11 hours and 50 minutes.
There are on average 6 hours of sunshine per day. So, the sun shines 52% of the time.
The average humidity is 83%. Hence, the air is normally humid.
The average wind speed is 7 kph (4 mph).
The average sea temperature is of 28.5 °C (83.5 °F). Therefore, the sea is pleasantly warm and allows long swims.

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December is generally a very hot, muggy month. The average temperature is of 28.3 °C (83 °F), with a minimum of 23.4 °C (74.1 °F) and a maximum of 33.2 °C (91.8 °F).
On the coldest nights of the month, the temperature usually drops to around 19.5 °C (67 °F).
On the warmest days of the month, the temperature usually reaches around 35.5 °C (96.5 °F).
Precipitation amounts to 23 mm (0.9 in), distributed over 2 days.
The day lasts on average 11 hours and 50 minutes.
There are on average 6 hours of sunshine per day. So, the sun shines 52% of the time.
The average humidity is 78%. Hence, the air is normally humid.
The average wind speed is 7 kph (5 mph).
The average sea temperature is of 28.5 °C (83 °F). Therefore, the sea is pleasantly warm and allows long swims.