Climate - Nioro (Mali)
Average weather, temperature, rainfall, sunshine hours
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Climate chart - Nioro (Mali)
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
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) | Month | Min (°C) | Max (°C) | Mean (°C) | Min (°F) | Max (°F) | Mean (°F) |
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| January | 15.3 | 31.9 | 23.6 | 60 | 89 | 74.4 |
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| February | 18.4 | 34.8 | 26.6 | 65 | 95 | 79.8 |
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| March | 21.5 | 38.1 | 29.8 | 71 | 101 | 85.7 |
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| April | 25.8 | 41.4 | 33.6 | 78 | 106 | 92.4 |
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| May | 29.2 | 42.4 | 35.8 | 85 | 108 | 96.4 |
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| June | 29.1 | 40.7 | 34.9 | 84 | 105 | 94.9 |
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| July | 25.8 | 35.6 | 30.7 | 78 | 96 | 87.3 |
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| August | 24.2 | 33.2 | 28.7 | 75 | 92 | 83.6 |
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| September | 24.2 | 34.7 | 29.4 | 76 | 94 | 85 |
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| October | 24 | 38 | 31 | 75 | 100 | 87.8 |
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| November | 19.6 | 36.4 | 28 | 67 | 98 | 82.4 |
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| December | 16.1 | 33.2 | 24.6 | 61 | 92 | 76.3 |
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| Year | 22.8 | 36.7 | 29.65 | 73 | 98 | 85.5 |
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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| Month | Millimeters | Inches | Days |
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| January | 0 | 0 | 1 |
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| February | 0 | 0 | 0 |
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| March | 0 | 0 | 0 |
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| April | 4 | 0.2 | 1 |
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| May | 13 | 0.5 | 1 |
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| June | 55 | 2.2 | 2 |
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| July | 155 | 6.1 | 4 |
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| August | 205 | 8.1 | 6 |
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| September | 110 | 4.3 | 4 |
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| October | 25 | 1 | 2 |
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| November | 2 | 0.1 | 0 |
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| December | 1 | 0 | 0 |
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| Year | 570 | 22.4 | 21 |
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Nioro - Weather by month
Based on the period 1991-2020
January, the coolest month of the year, is generally a warm to hot month. 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).
February is generally a warm to hot month. 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).
March is generally a very hot month. 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).
April is generally a scorchingly hot month. 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).
May, the hottest month of the year, is generally a scorchingly hot month. 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).
June is generally a scorchingly hot month. 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).
July is generally a very hot month. 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).
August is generally a very hot, muggy month. 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).
September is generally a very hot month. 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).
October is generally a very hot month. 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).
November is generally a very hot month. 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).
December is generally a warm to hot month. 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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