Climate - Diffa (Niger)
Average weather, temperature, rainfall, sunshine hours
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Climate chart - Diffa (Niger)
The climate of Diffa is tropical arid, with a rainy season from June to September.
We are in the Sahel area, which receives some rains in the summer, brought by the African monsoon. The hottest time of the year is from April to June, before the rains.
The city is located in the extreme southeast of Niger, on the banks of the Yobe River, on the border with Nigeria, but also not far from Lake Chad and the border with Chad and with northern Cameroon.
Diffa - Climate data
The average temperature of the coldest month (January) is of 22.3 °C (72.2 °F), that of the warmest month (May) is of 34.3 °C (93.8 °F). Here are the average temperatures.Diffa - Average temperatures (1991-2020) | Month | Min (°C) | Max (°C) | Mean (°C) | Min (°F) | Max (°F) | Mean (°F) |
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| January | 13.9 | 30.7 | 22.3 | 57 | 87 | 72.2 |
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| February | 16.7 | 34.3 | 25.5 | 62 | 94 | 77.9 |
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| March | 20.7 | 38.6 | 29.6 | 69 | 101 | 85.3 |
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| April | 24.4 | 42 | 33.2 | 76 | 108 | 91.7 |
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| May | 26.4 | 42.2 | 34.3 | 80 | 108 | 93.8 |
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| June | 27 | 40 | 33.5 | 81 | 104 | 92.3 |
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| July | 25.2 | 36.2 | 30.7 | 77 | 97 | 87.3 |
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| August | 23.6 | 33.4 | 28.5 | 74 | 92 | 83.2 |
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| September | 23.7 | 36.2 | 30 | 75 | 97 | 85.9 |
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| October | 22.4 | 38.9 | 30.6 | 72 | 102 | 87.1 |
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| November | 18.3 | 36 | 27.2 | 65 | 97 | 80.9 |
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| December | 14.8 | 31.6 | 23.2 | 59 | 89 | 73.7 |
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| Year | 21.4 | 36.7 | 29 | 70.6 | 98 | 84 |
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Precipitation amounts to 325 millimeters (12.8 inches) per year: it is therefore scarce. It ranges from 0 mm (0 in) in the driest months (January, February, March, November, December) to 140 mm (5.5 in) in the wettest one (August). Here is the average precipitation.Diffa - Average precipitation| Month | Millimeters | Inches | Days |
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| January | 0 | 0 | 0 |
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| February | 0 | 0 | 0 |
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| March | 0 | 0 | 0 |
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| April | 2 | 0.1 | 0 |
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| May | 10 | 0.4 | 1 |
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| June | 25 | 1 | 3 |
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| July | 95 | 3.7 | 8 |
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| August | 140 | 5.5 | 9 |
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| September | 45 | 1.8 | 4 |
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| October | 8 | 0.3 | 1 |
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| November | 0 | 0 | 0 |
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| December | 0 | 0 | 0 |
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| Year | 325 | 12.8 | 26 |
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Diffa - Weather by month
Based on the period 1991-2020
January, the coolest month of the year, is generally a warm month. However, there are remarkable differences between night and day. The average temperature is of 22.3 °C (72 °F), with a minimum of 13.9 °C (57 °F) and a maximum of 30.7 °C (87.3 °F).
On the coldest nights of the month, the temperature usually drops to around 8.5 °C (47.5 °F).
On the warmest days of the month, the temperature usually reaches around 37 °C (98.5 °F). However, it reached 40 °C (104 °F) in January 2013.
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 25 minutes.
The average humidity is 26%. 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 25.5 °C (78 °F), with a minimum of 16.7 °C (62.1 °F) and a maximum of 34.3 °C (93.7 °F).
On the coldest nights of the month, the temperature usually drops to around 11 °C (52 °F).
On the warmest days of the month, the temperature usually reaches around 40.5 °C (104.5 °F). However, it reached 44 °C (111.2 °F) in February 1991.
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 9 kph (6 mph).
March is generally a very hot month. However, there are remarkable differences between night and day. The average temperature is of 29.6 °C (85 °F), with a minimum of 20.7 °C (69.2 °F) and a maximum of 38.6 °C (101.4 °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 43.5 °C (110.5 °F). However, it reached 48 °C (118.4 °F) in March 2000.
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 19%. Hence, the air is normally dry.
The average wind speed is 9 kph (5 mph).
April is generally a scorchingly hot month. However, there are remarkable differences between night and day. The average temperature is of 33.2 °C (92 °F), with a minimum of 24.4 °C (75.9 °F) and a maximum of 42 °C (107.5 °F).
On the coldest nights, the temperature usually drops to around 18 °C (65 °F).
On the warmest days, the temperature usually reaches around 45 °C (113.5 °F). However, it reached 46.5 °C (115.7 °F) in April 1991.
Precipitation amounts to only 2 mm (0.1 in), distributed over 0 days.
The day lasts on average 12 hours and 25 minutes.
The average humidity is 22%. Hence, the air is normally dry.
The average wind speed is 7 kph (4 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 34.3 °C (94 °F), with a minimum of 26.4 °C (79.6 °F) and a maximum of 42.2 °C (108 °F).
On the coldest nights, the temperature usually drops to around 21 °C (70 °F).
On the warmest days, the temperature usually reaches around 45 °C (113.5 °F). However, it reached 48 °C (118.4 °F) in May 2001.
Precipitation amounts to 10 mm (0.4 in), and all occurs in one day.
The day lasts on average 12 hours and 50 minutes.
The average humidity is 33%. Hence, the air is normally dry.
The average wind speed is 8 kph (5 mph).
June is generally a scorchingly hot month. The average temperature is of 33.5 °C (92 °F), with a minimum of 27 °C (80.6 °F) and a maximum of 40 °C (103.9 °F).
On the coldest nights, the temperature usually drops to around 22 °C (72 °F).
On the warmest days, the temperature usually reaches around 44 °C (111.5 °F). However, it reached 45.5 °C (113.9 °F) in June 2006.
Precipitation amounts to 25 mm (1 in), distributed over 3 days.
The day lasts on average 12 hours and 55 minutes.
The average humidity is 47%.
The average wind speed is 10 kph (6 mph).
July is generally a very hot month. The average temperature is of 30.7 °C (87 °F), with a minimum of 25.2 °C (77.4 °F) and a maximum of 36.2 °C (97.2 °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 41.5 °C (107 °F). However, it reached 44.9 °C (112.8 °F) in July 2017.
Precipitation amounts to 95 mm (3.7 in), distributed over 8 days.
The day lasts on average 12 hours and 50 minutes.
The average humidity is 62%.
The average wind speed is 10 kph (6 mph).
August is generally a very hot, muggy month. The average temperature is of 28.5 °C (83 °F), with a minimum of 23.6 °C (74.4 °F) and a maximum of 33.4 °C (92.1 °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 38 °C (100.5 °F). However, it reached 44 °C (111.2 °F) in August 2001.
Precipitation amounts to 140 mm (5.5 in), distributed over 9 days.
The day lasts on average 12 hours and 30 minutes.
The average humidity is 76%. Hence, the air is normally humid.
The average wind speed is 7 kph (4 mph).
September is generally a very hot month. The average temperature is of 30.0 °C (86 °F), with a minimum of 23.7 °C (74.7 °F) and a maximum of 36.2 °C (97.2 °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 40.5 °C (105 °F). However, it reached 42.9 °C (109.2 °F) in September 2002.
Precipitation amounts to 45 mm (1.8 in), distributed over 4 days.
The day lasts on average 12 hours and 10 minutes.
The average humidity is 67%.
The average wind speed is 7 kph (4 mph).
October is generally a very hot month. However, there are remarkable differences between night and day. The average temperature is of 30.6 °C (87 °F), with a minimum of 22.4 °C (72.2 °F) and a maximum of 38.9 °C (102 °F).
On the coldest nights, the temperature usually drops to around 17.5 °C (63.5 °F).
On the warmest days, the temperature usually reaches around 41.5 °C (106.5 °F). However, it reached 42.7 °C (108.9 °F) in October 1992.
Precipitation amounts to only 8 mm (0.3 in), and all occurs in one day.
The day lasts on average 11 hours and 50 minutes.
The average humidity is 41%.
The average wind speed is 6 kph (4 mph).
November is generally a warm to hot month. However, there are remarkable differences between night and day. The average temperature is of 27.2 °C (81 °F), with a minimum of 18.3 °C (64.9 °F) and a maximum of 36 °C (96.9 °F).
On the coldest nights, the temperature usually drops to around 13.5 °C (56 °F).
On the warmest days, the temperature usually reaches around 40 °C (104 °F). However, it reached 45.4 °C (113.7 °F) in November 2003.
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 30 minutes.
The average humidity is 27%. Hence, the air is normally dry.
The average wind speed is 8 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 23.2 °C (74 °F), with a minimum of 14.8 °C (58.6 °F) and a maximum of 31.6 °C (88.8 °F).
On the coldest nights of the month, the temperature usually drops to around 9.5 °C (49.5 °F).
On the warmest days of the month, the temperature usually reaches around 36.5 °C (97.5 °F). However, it reached 41.5 °C (106.7 °F) in December 2003.
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 25 minutes.
The average humidity is 28%. Hence, the air is normally dry.
The average wind speed is 10 kph (6 mph).
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