Climate - Bamako (Mali)

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The climate of Bamako is tropical, hot all year round, with a dry season from November to April and a rainy season that runs roughly from June to September. The hottest period is from March to May, before the rains arrive.
The city is the capital of Mali and is located in the south-west of the country, at 330 meters (1,080 feet) above sea level, on the banks of the Niger River. We are in the area of the country that receives the greatest amount of rain from the African monsoon, that is, where rainfall is equal to or greater than 1,000 millimeters (40 inches) per year.

Bamako - Climate data

The average temperature of the coldest month (January) is of 24.8 °C (76.7 °F), that of the warmest month (April) is of 32.4 °C (90.3 °F). Here are the average temperatures.
Precipitation amounts to 990 millimeters (39 inches) per year: so, it is at an intermediate level. It ranges from 1 mm (0 in) in the driest months (January, February, December) to 290 mm (11.4 in) in the wettest one (August). Here is the average precipitation.
On average, there are around 2675 sunshine hours per year. Here are the average sunshine hours per day.

Bamako - Weather by month

Based on the period 1991-2020

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In January, the coldest month of the year, the weather in Bamako is usually warm to hot. However, there are remarkable differences between night and day. The average temperature is of 24.8 °C (77 °F), with a minimum of 17 °C (62.7 °F) and a maximum of 32.6 °C (90.6 °F).
On the coldest nights of the month, the temperature usually drops to around 11.5 °C (52.5 °F).
On the warmest days of the month, the temperature usually reaches around 36.5 °C (98 °F).
Precipitation amounts to only 1 mm (0 in), distributed over 0 days.
The day lasts on average 11 hours and 30 minutes.
There are on average 9 sunshine hours per day. So, the sun shines 78% of the time.
The average humidity is 22%. Hence, the air is normally dry.
The average wind speed is 13 kph (8 mph).

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In February, the weather in Bamako is usually very hot. However, there are remarkable differences between night and day. The average temperature is of 27.9 °C (82 °F), with a minimum of 20.1 °C (68.2 °F) and a maximum of 35.7 °C (96.2 °F).
On the coldest nights of the month, the temperature usually drops to around 15 °C (59 °F).
On the warmest days of the month, the temperature usually reaches around 39.5 °C (103 °F).
Precipitation amounts to only 1 mm (0 in), distributed over 0 days.
The day lasts on average 11 hours and 40 minutes.
There are on average 9 sunshine hours per day. So, the sun shines 77% of the time.
The average humidity is 17%. Hence, the air is normally dry.
The average wind speed is 13 kph (8 mph).

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In March, the weather in Bamako is usually very hot. However, there are remarkable differences between night and day. The average temperature is of 30.7 °C (87 °F), with a minimum of 23.2 °C (73.8 °F) and a maximum of 38.3 °C (100.9 °F).
On the coldest nights of the month, the temperature usually drops to around 17.5 °C (63.5 °F).
On the warmest days of the month, the temperature usually reaches around 41.5 °C (106.5 °F).
Precipitation amounts to only 2 mm (0.1 in), and all occurs in one day.
The day lasts on average 12 hours and 5 minutes.
There are on average 9 sunshine hours per day. So, the sun shines 74% of the time.
The average humidity is 19%. Hence, the air is normally dry.
The average wind speed is 12 kph (7 mph).

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In April, the warmest month of the year, the weather in Bamako is usually scorchingly hot. However, there are remarkable differences between night and day. The average temperature is of 32.4 °C (90 °F), with a minimum of 25.4 °C (77.8 °F) and a maximum of 39.4 °C (102.9 °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 42.5 °C (108 °F).
Precipitation amounts to 20 mm (0.8 in), distributed over 3 days.
The day lasts on average 12 hours and 25 minutes.
There are on average 8 sunshine hours per day. So, the sun shines 64% of the time.
The average humidity is 31%. Hence, the air is normally dry.
The average wind speed is 11 kph (7 mph).

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In May, the weather in Bamako is usually very hot. The average temperature is of 31.7 °C (89 °F), with a minimum of 25.4 °C (77.8 °F) and a maximum of 38 °C (100.4 °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 42 °C (107.5 °F).
Precipitation amounts to 55 mm (2.2 in), distributed over 6 days.
The day lasts on average 12 hours and 40 minutes.
There are on average 7 sunshine hours per day. So, the sun shines 55% of the time.
The average humidity is 48%.
The average wind speed is 12 kph (7 mph).

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In June, the weather in Bamako is usually very hot. The average temperature is of 29.2 °C (84 °F), with a minimum of 23.4 °C (74.1 °F) and a maximum of 34.9 °C (94.9 °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 39.5 °C (103.5 °F).
Precipitation amounts to 130 mm (5.1 in), distributed over 8 days.
The day lasts on average 12 hours and 55 minutes.
There are on average 7 sunshine hours per day. So, the sun shines 54% of the time.
The average humidity is 65%.
The average wind speed is 11 kph (7 mph).

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In July, the weather in Bamako is usually warm to hot. The average temperature is of 26.9 °C (80 °F), with a minimum of 22.2 °C (72 °F) and a maximum of 31.7 °C (89 °F).
On the coldest nights of the month, the temperature usually drops to around 19 °C (66.5 °F).
On the warmest days of the month, the temperature usually reaches around 36.5 °C (97.5 °F).
Precipitation amounts to 225 mm (8.9 in), distributed over 17 days.
The day lasts on average 12 hours and 50 minutes.
There are on average 6 sunshine hours per day. So, the sun shines 47% of the time.
The average humidity is 79%. Hence, the air is normally humid.
The average wind speed is 9 kph (6 mph).

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In August, the weather in Bamako is usually warm to hot. The average temperature is of 26.2 °C (79 °F), with a minimum of 21.7 °C (71.1 °F) and a maximum of 30.7 °C (87.2 °F).
On the coldest nights of the month, the temperature usually drops to around 18 °C (64.5 °F).
On the warmest days of the month, the temperature usually reaches around 34 °C (93.5 °F).
Precipitation amounts to 290 mm (11.4 in), distributed over 18 days.
The day lasts on average 12 hours and 30 minutes.
There are on average 5 sunshine hours per day. So, the sun shines 40% of the time.
The average humidity is 83%. Hence, the air is normally humid.
The average wind speed is 9 kph (5 mph).

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In September, the weather in Bamako is usually warm to hot. The average temperature is of 26.8 °C (80 °F), with a minimum of 21.6 °C (70.9 °F) and a maximum of 32 °C (89.7 °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 °C (96.5 °F).
Precipitation amounts to 195 mm (7.7 in), distributed over 15 days.
The day lasts on average 12 hours and 10 minutes.
There are on average 6 sunshine hours per day. So, the sun shines 49% of the time.
The average humidity is 81%. Hence, the air is normally humid.
The average wind speed is 7 kph (5 mph).

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In October, the weather in Bamako is usually very hot. However, there are remarkable differences between night and day. The average temperature is of 28.0 °C (82 °F), with a minimum of 21.3 °C (70.3 °F) and a maximum of 34.6 °C (94.3 °F).
On the coldest nights of the month, the temperature usually drops to around 16.5 °C (62 °F).
On the warmest days of the month, the temperature usually reaches around 38 °C (100 °F).
Precipitation amounts to 65 mm (2.6 in), distributed over 6 days.
The day lasts on average 11 hours and 50 minutes.
There are on average 7 sunshine hours per day. So, the sun shines 59% of the time.
The average humidity is 68%.
The average wind speed is 7 kph (4 mph).

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In November, the weather in Bamako is usually warm to hot. However, there are remarkable differences between night and day. The average temperature is of 26.7 °C (80 °F), with a minimum of 18.1 °C (64.6 °F) and a maximum of 35.4 °C (95.6 °F).
On the coldest nights of the month, the temperature usually drops to around 13.5 °C (56 °F).
On the warmest days of the month, the temperature usually reaches around 38 °C (100 °F).
Precipitation amounts to only 5 mm (0.2 in), distributed over 0 days.
The day lasts on average 11 hours and 30 minutes.
There are on average 8 sunshine hours per day. So, the sun shines 70% of the time.
The average humidity is 39%.
The average wind speed is 9 kph (6 mph).

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In December, the weather in Bamako is usually warm to hot. However, there are remarkable differences between night and day. The average temperature is of 25.0 °C (77 °F), with a minimum of 16.7 °C (62 °F) and a maximum of 33.3 °C (92 °F).
On the coldest nights of the month, the temperature usually drops to around 11.5 °C (52.5 °F).
On the warmest days of the month, the temperature usually reaches around 37 °C (98.5 °F).
Precipitation amounts to only 1 mm (0 in), distributed over 0 days.
The day lasts on average 11 hours and 25 minutes.
There are on average 7 sunshine hours per day. So, the sun shines 61% of the time.
The average humidity is 26%. Hence, the air is normally dry.
The average wind speed is 12 kph (7 mph).