Climate - Libreville (Gabon)

Libreville's climate is tropical, with a hot, rainy period from September to May and a relatively cool, dry period from June to August. The wettest months are October and November, but still, the rains are abundant for many months of the year.
The city is the capital of Gabon and is located on the coast, on the estuary of the Komo River.
Although the city is located just north of the equator, the temperature pattern is that of the Southern Hemisphere, so the coolest period corresponds to the austral winter.
The sun does not shine very often, and actually, the cloudiest period is the dry one.

The average temperature of the coldest month (July) is of 25.1 °C (77.2 °F), that of the warmest month (February) is of 27.5 °C (81.5 °F). Here are the average temperatures.
Precipitation amounts to 2590 millimeters (102 inches) per year: it is therefore very abundant. It ranges from 1 mm (0 in) in the driest month (July) to 415 mm (16.3 in) in the wettest one (November). Here is the average precipitation.
The sea temperature ranges from 25.5 °C (25.5 °F) in July, August to 29 °C (29 °F) in February, March, April. Here are the average sea temperatures.
On average, there are around 1715 sunshine hours per year. Here are the average sunshine hours per day.

Libreville - Weather by month

Based on the period 1991-2020
(January - February - March - April - May - June - July - August - September - October - November - December)

In January, the average temperature is of 27.1 °C (81 °F), with a minimum of 24.1 °C (75.4 °F) and a maximum of 30.2 °C (86.3 °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 32 °C (89.5 °F).
Precipitation amounts to 205 mm (8.1 in), distributed over 14 days.
On average, there are 175 hours of sunshine per month, i.e. 5.5 hours per day.
The average humidity is 87%.
The average wind speed is 9 kph (6 kph).
The average sea temperature is of 28.5 °C (83 °F).

In February, the warmest month of the year, the average temperature is of 27.5 °C (82 °F), with a minimum of 24.2 °C (75.5 °F) and a maximum of 30.9 °C (87.6 °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 33 °C (91.5 °F).
Precipitation amounts to 290 mm (11.4 in), distributed over 15 days.
On average, there are 175 hours of sunshine per month, i.e. 6.5 hours per day.
The average humidity is 86%.
The average wind speed is 10 kph (6 kph).
The average sea temperature is of 29 °C (84 °F).

In March, the average temperature is of 27.5 °C (81 °F), with a minimum of 23.8 °C (74.9 °F) and a maximum of 31.1 °C (88 °F).
On the coldest nights of the month, the temperature usually drops to around 20.5 °C (69 °F).
On the warmest days of the month, the temperature usually reaches around 33 °C (91.5 °F).
Precipitation amounts to 265 mm (10.4 in), distributed over 17 days.
On average, there are 175 hours of sunshine per month, i.e. 5.5 hours per day.
The average humidity is 85%.
The average wind speed is 10 kph (6 kph).
The average sea temperature is of 29 °C (84.5 °F).

In April, the average temperature is of 27.3 °C (81 °F), with a minimum of 23.8 °C (74.9 °F) and a maximum of 30.8 °C (87.5 °F).
On the coldest nights of the month, the temperature usually drops to around 21 °C (69.5 °F).
On the warmest days of the month, the temperature usually reaches around 32.5 °C (90 °F).
Precipitation amounts to 395 mm (15.6 in), distributed over 19 days.
On average, there are 175 hours of sunshine per month, i.e. 6 hours per day.
The average humidity is 86%.
The average wind speed is 11 kph (7 kph).
The average sea temperature is of 29 °C (84 °F).

In May, the average temperature is of 27.2 °C (81 °F), with a minimum of 24.1 °C (75.4 °F) and a maximum of 30.2 °C (86.4 °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 33 °C (91.5 °F).
Precipitation amounts to 245 mm (9.6 in), distributed over 15 days.
On average, there are 160 hours of sunshine per month, i.e. 5 hours per day.
The average humidity is 86%.
The average wind speed is 12 kph (7 kph).
The average sea temperature is of 28 °C (82 °F).

In June, the average temperature is of 26.1 °C (79 °F), with a minimum of 23.6 °C (74.5 °F) and a maximum of 28.6 °C (83.5 °F).
On the coldest nights of the month, the temperature usually drops to around 21.5 °C (70.5 °F).
On the warmest days of the month, the temperature usually reaches around 31 °C (87.5 °F).
Precipitation amounts to 40 mm (1.6 in), distributed over 3 days.
On average, there are 130 hours of sunshine per month, i.e. 4.5 hours per day.
The average humidity is 83%.
The average wind speed is 13 kph (8 kph).
The average sea temperature is of 26.5 °C (79.5 °F).

In July, the coldest month of the year, the average temperature is of 25.1 °C (77 °F), with a minimum of 22.6 °C (72.7 °F) and a maximum of 27.6 °C (81.6 °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 30 °C (86 °F).
Precipitation amounts to only 1 mm (0 in), distributed over 0 days.
On average, there are 120 hours of sunshine per month, i.e. 4 hours per day.
The average humidity is 82%.
The average wind speed is 14 kph (8 kph).
The average sea temperature is of 25.5 °C (78 °F).

In August, the average temperature is of 25.3 °C (78 °F), with a minimum of 22.9 °C (73.1 °F) and a maximum of 27.8 °C (82 °F).
On the coldest nights of the month, the temperature usually drops to around 20.5 °C (69.5 °F).
On the warmest days of the month, the temperature usually reaches around 29.5 °C (85 °F).
Precipitation amounts to 11 mm (0.4 in), distributed over 5 days.
On average, there are 90 hours of sunshine per month, i.e. 3 hours per day.
The average humidity is 83%.
The average wind speed is 14 kph (9 kph).
The average sea temperature is of 25.5 °C (78 °F).

In September, the average temperature is of 26.0 °C (79 °F), with a minimum of 23.5 °C (74.3 °F) and a maximum of 28.6 °C (83.4 °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 31 °C (87.5 °F).
Precipitation amounts to 105 mm (4.1 in), distributed over 13 days.
On average, there are 95 hours of sunshine per month, i.e. 3 hours per day.
The average humidity is 86%.
The average wind speed is 14 kph (9 kph).
The average sea temperature is of 26 °C (79 °F).

In October, the average temperature is of 26.3 °C (79 °F), with a minimum of 23.6 °C (74.5 °F) and a maximum of 28.9 °C (84 °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 30.5 °C (87 °F).
Precipitation amounts to 360 mm (14.2 in), distributed over 22 days.
On average, there are 115 hours of sunshine per month, i.e. 3.5 hours per day.
The average humidity is 88%.
The average wind speed is 13 kph (8 kph).
The average sea temperature is of 27 °C (80 °F).

In November, the average temperature is of 26.4 °C (79 °F), with a minimum of 23.4 °C (74.1 °F) and a maximum of 29.3 °C (84.8 °F).
On the coldest nights of the month, the temperature usually drops to around 21 °C (69.5 °F).
On the warmest days of the month, the temperature usually reaches around 31.5 °C (88.5 °F).
Precipitation amounts to 415 mm (16.3 in), distributed over 21 days.
On average, there are 135 hours of sunshine per month, i.e. 4.5 hours per day.
The average humidity is 89%.
The average wind speed is 11 kph (7 kph).
The average sea temperature is of 27.5 °C (81.5 °F).

In December, the average temperature is of 26.8 °C (80 °F), with a minimum of 23.8 °C (74.9 °F) and a maximum of 29.8 °C (85.6 °F).
On the coldest nights of the month, the temperature usually drops to around 21 °C (69.5 °F).
On the warmest days of the month, the temperature usually reaches around 31.5 °C (88.5 °F).
Precipitation amounts to 260 mm (10.2 in), distributed over 16 days.
On average, there are 170 hours of sunshine per month, i.e. 5.5 hours per day.
The average humidity is 87%.
The average wind speed is 10 kph (6 kph).
The average sea temperature is of 28 °C (82 °F).