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Climate - Nioro (Mali)


Average weather, temperature, rainfall, sunshine hours

Flag - Mali

Nioro, where it is located


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Climate chart - Nioro
The climate of Nioro du Sahel is tropical semi-arid, with a relatively cool season from December to mid-February and a rainy season that runs roughly from June to September. The hottest time of the year goes from April to June, before the rains arrive.
The city is located in central-western Mali, near the border with Mauritania, at 240 meters (785 feet) above sea level.
In winter, the Harmattan, the dust-laden wind of the Sahara, can blow.

Nioro - Climate data


In Nioro, the average temperature of the coldest month (January) is of 23.6 °C (74.4 °F), that of the warmest month (May) is of 35.8 °C (96.4 °F). Here are the average temperatures.
Nioro - Average temperatures (1991-2020)
MonthMin (°C)Max (°C)Mean (°C)Min (°F)Max (°F)Mean (°F)
January153223.6608974.4
February183526.6659579.8
March223829.87110185.7
April264133.67810692.4
May294235.88510896.4
June294134.98410594.9
July263630.7789687.3
August243328.7759283.6
September243529.4769485
October2438317510087.8
November203628679882.4
December163324.6619276.3
Year22.836.729.65739885.5

In Nioro, precipitation amounts to 570 millimeters (22.4 inches) per year: so, it is at an intermediate level. It ranges from 0 mm (0 in) in the driest months (January, February, March) to 205 mm (8.1 in) in the wettest one (August). Here is the average precipitation.
Nioro - Average precipitation
MonthMillimetersInchesDays
January001
February000
March000
April40.21
May130.51
June552.22
July1556.14
August2058.16
September1104.34
October2512
November20.10
December100
Year57022.421

Nioro - Weather by month

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


In January, the coolest month of the year, the weather in Nioro is usually warm to hot. However, there are remarkable differences between night and day. The average temperature is of 23.6 °C (74 °F), with a minimum of 15.3 °C (59.5 °F) and a maximum of 31.9 °C (89.3 °F).
On the coldest nights of the month, the temperature usually drops to around 10 °C (49.5 °F).
On the warmest days of the month, the temperature usually reaches around 37 °C (98.5 °F).
Precipitation amounts to only 0 mm (0 in), so on average it never rains in the whole month.
The day lasts on average 11 hours and 20 minutes.
The average humidity is 25%. Hence, the air is normally dry.
The average wind speed is 9 kph (6 mph).



In February, the weather in Nioro is usually warm to hot. However, there are remarkable differences between night and day. The average temperature is of 26.6 °C (80 °F), with a minimum of 18.4 °C (65 °F) and a maximum of 34.8 °C (94.6 °F).
On the coldest nights of the month, the temperature usually drops to around 12.5 °C (54 °F).
On the warmest days of the month, the temperature usually reaches around 40 °C (104 °F).
Precipitation amounts to only 0 mm (0 in), so on average it never rains in the whole month.
The day lasts on average 11 hours and 40 minutes.
The average humidity is 21%. Hence, the air is normally dry.
The average wind speed is 11 kph (7 mph).



In March, the weather in Nioro is usually very hot. However, there are remarkable differences between night and day. The average temperature is of 29.8 °C (86 °F), with a minimum of 21.5 °C (70.8 °F) and a maximum of 38.1 °C (100.6 °F).
On the coldest nights, the temperature usually drops to around 14.5 °C (58 °F).
On the warmest days, the temperature usually reaches around 43 °C (109.5 °F).
Precipitation amounts to only 0 mm (0 in), so on average it never rains in the whole month.
The day lasts on average 12 hours and 5 minutes.
The average humidity is 20%. Hence, the air is normally dry.
The average wind speed is 11 kph (7 mph).



In April, the weather in Nioro is usually scorchingly hot. However, there are remarkable differences between night and day. The average temperature is of 33.6 °C (92 °F), with a minimum of 25.8 °C (78.4 °F) and a maximum of 41.4 °C (106.4 °F).
On the coldest nights, the temperature usually drops to around 19.5 °C (67 °F).
On the warmest days, the temperature usually reaches around 44.5 °C (112.5 °F).
Precipitation amounts to only 4 mm (0.2 in), and all occurs in one day.
The day lasts on average 12 hours and 30 minutes.
The average humidity is 19%. Hence, the air is normally dry.
The average wind speed is 11 kph (7 mph).



In May, the hottest month of the year, the weather in Nioro is usually scorchingly hot. However, there are remarkable differences between night and day. The average temperature is of 35.8 °C (96 °F), with a minimum of 29.2 °C (84.6 °F) and a maximum of 42.4 °C (108.3 °F).
On the coldest nights, the temperature usually drops to around 22.5 °C (73 °F).
On the warmest days, the temperature usually reaches around 45 °C (113 °F).
Precipitation amounts to 13 mm (0.5 in), and all occurs in one day.
The day lasts on average 12 hours and 55 minutes.
The average humidity is 26%. Hence, the air is normally dry.
The average wind speed is 12 kph (7 mph).



In June, the weather in Nioro is usually scorchingly hot. The average temperature is of 34.9 °C (95 °F), with a minimum of 29.1 °C (84.5 °F) and a maximum of 40.7 °C (105.3 °F).
On the coldest nights, the temperature usually drops to around 23 °C (73.5 °F).
On the warmest days, the temperature usually reaches around 45.5 °C (114 °F).
Precipitation amounts to 55 mm (2.2 in), distributed over 2 days.
The day lasts on average 13 hours and 0 minutes.
The average humidity is 37%.
The average wind speed is 14 kph (9 mph).



In July, the weather in Nioro is usually very hot. The average temperature is of 30.7 °C (87 °F), with a minimum of 25.8 °C (78.5 °F) and a maximum of 35.6 °C (96.1 °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 41.5 °C (106.5 °F).
Precipitation amounts to 155 mm (6.1 in), distributed over 4 days.
The day lasts on average 12 hours and 55 minutes.
The average humidity is 61%.
The average wind speed is 13 kph (8 mph).



In August, the weather in Nioro is usually very hot and muggy. The average temperature is of 28.7 °C (84 °F), with a minimum of 24.2 °C (75.5 °F) and a maximum of 33.2 °C (91.7 °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 38.5 °C (101 °F).
Precipitation amounts to 205 mm (8.1 in), distributed over 6 days.
The day lasts on average 12 hours and 35 minutes.
The average humidity is 73%. Hence, the air is normally humid.
The average wind speed is 11 kph (7 mph).



In September, the weather in Nioro is usually very hot. The average temperature is of 29.4 °C (85 °F), with a minimum of 24.2 °C (75.5 °F) and a maximum of 34.7 °C (94.5 °F).
On the coldest nights, the temperature usually drops to around 20.5 °C (69 °F).
On the warmest days, the temperature usually reaches around 39.5 °C (102.5 °F).
Precipitation amounts to 110 mm (4.3 in), distributed over 4 days.
The day lasts on average 12 hours and 10 minutes.
The average humidity is 69%.
The average wind speed is 9 kph (6 mph).



In October, the weather in Nioro is usually very hot. However, there are remarkable differences between night and day. The average temperature is of 31.0 °C (88 °F), with a minimum of 24 °C (75.2 °F) and a maximum of 38 °C (100.5 °F).
On the coldest nights, the temperature usually drops to around 18.5 °C (65.5 °F).
On the warmest days, the temperature usually reaches around 41 °C (105.5 °F).
Precipitation amounts to 25 mm (1 in), distributed over 2 days.
The day lasts on average 11 hours and 50 minutes.
The average humidity is 46%.
The average wind speed is 8 kph (5 mph).



In November, the weather in Nioro 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 19.6 °C (67.4 °F) and a maximum of 36.4 °C (97.5 °F).
On the coldest nights, the temperature usually drops to around 13.5 °C (56.5 °F).
On the warmest days, the temperature usually reaches around 39.5 °C (103.5 °F).
Precipitation amounts to only 2 mm (0.1 in), distributed over 0 days.
The day lasts on average 11 hours and 25 minutes.
The average humidity is 27%. Hence, the air is normally dry.
The average wind speed is 7 kph (5 mph).



In December, the weather in Nioro is usually warm to hot. However, there are remarkable differences between night and day. The average temperature is of 24.6 °C (76 °F), with a minimum of 16.1 °C (61 °F) and a maximum of 33.2 °C (91.7 °F).
On the coldest nights of the month, the temperature usually drops to around 10.5 °C (50.5 °F).
On the warmest days of the month, the temperature usually reaches around 37.5 °C (100 °F).
Precipitation amounts to only 1 mm (0 in), distributed over 0 days.
The day lasts on average 11 hours and 10 minutes.
The average humidity is 25%. Hence, the air is normally dry.
The average wind speed is 8 kph (5 mph).

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