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The climate of San is
tropical, 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 March to May, before the rains arrive.
The city is located in southern Mali, near the border with Burkina Faso, at 290 meters (950 feet) above sea level. The Bani River flows a few kilometers further north.
In winter, the
Harmattan, the dust-laden wind of the Sahara, can blow.
San - Climate data
In San, the
average temperature of the coldest month (January) is of 25.2 °C (77.3 °F), that of the warmest month (April) is of 34.6 °C (94.2 °F). Here are the average temperatures.
San - Average temperatures (1991-2020) | Month | Min (°C) | Max (°C) | Mean (°C) | Min (°F) | Max (°F) | Mean (°F) |
|---|
| January | 17.5 | 32.9 | 25.2 | 63 | 91 | 77.3 |
|---|
| February | 20.6 | 36.2 | 28.4 | 69 | 97 | 83.2 |
|---|
| March | 24.3 | 39.5 | 31.9 | 76 | 103 | 89.4 |
|---|
| April | 27.7 | 41.4 | 34.6 | 82 | 106 | 94.2 |
|---|
| May | 28 | 40.6 | 34.3 | 82 | 105 | 93.8 |
|---|
| June | 26.3 | 37.6 | 31.9 | 79 | 100 | 89.5 |
|---|
| July | 24.2 | 34.2 | 29.2 | 76 | 94 | 84.5 |
|---|
| August | 23.6 | 32.4 | 28 | 74 | 90 | 82.3 |
|---|
| September | 23.8 | 33.4 | 28.6 | 75 | 92 | 83.5 |
|---|
| October | 24.4 | 36.7 | 30.6 | 76 | 98 | 87 |
|---|
| November | 21.1 | 36.5 | 28.8 | 70 | 98 | 83.9 |
|---|
| December | 18.3 | 34.4 | 26.3 | 65 | 94 | 79.4 |
|---|
| Year | 23.3 | 36.3 | 29.75 | 74 | 97.3 | 85.5 |
|---|
In San,
precipitation amounts to 730 millimeters (28.7 inches) per year: so, it is at an intermediate level. It ranges from 0 mm (0 in) in the driest month (December) to 240 mm (9.4 in) in the wettest one (August). Here is the average precipitation.
San - Average precipitation| Month | Millimeters | Inches | Days |
|---|
| January | 4 | 0.1 | 0 |
|---|
| February | 6 | 0.2 | 0 |
|---|
| March | 4 | 0.1 | 0 |
|---|
| April | 9 | 0.3 | 0 |
|---|
| May | 30 | 1.2 | 1 |
|---|
| June | 95 | 3.7 | 4 |
|---|
| July | 180 | 7.1 | 7 |
|---|
| August | 240 | 9.4 | 10 |
|---|
| September | 135 | 5.3 | 5 |
|---|
| October | 25 | 1 | 1 |
|---|
| November | 5 | 0.2 | 0 |
|---|
| December | 0 | 0 | 0 |
|---|
| Year | 730 | 28.7 | 29 |
|---|
In San, there are on average around 3145
sunshine hours per year. Here are the average hours of sunshine per day.
San - Sunshine hours| Month | Average | Total |
|---|
January | 9 | 275 | February | 9 | 260 | March | 9.5 | 290 | April | 9 | 265 | May | 8.5 | 265 | June | 8 | 240 | July | 7.5 | 235 | August | 7 | 220 | September | 8 | 250 | October | 9.5 | 290 | November | 9.5 | 285 | December | 9 | 280 | Year | 8.6 | 3145 |
San - Weather by month
Based on the period 1991-2020
In
January, the least warm month of the year, the weather in San is usually warm to hot. However, there are remarkable differences between night and day. The average temperature is of 25.2 °C (77 °F), with a minimum of 17.5 °C (63.5 °F) and a maximum of 32.9 °C (91.2 °F).
On the coldest nights of the month, the temperature usually drops to around 13.5 °C (56.5 °F). However, it dropped to 7 °C (44.6 °F) in January 1995.
On the warmest days of the month, the temperature usually reaches around 37.5 °C (99 °F). However, it reached 40.5 °C (104.9 °F) in January 2011.
Precipitation amounts to only 4 mm (0.2 in), distributed over 0 days.
The day lasts on average 11 hours and 25 minutes.
There are on average 9 hours of sunshine per day. So, the sun shines 78% of the time.
The average humidity is 29%. Hence, the air is normally dry.
The average wind speed is 5 kph (3 mph).
In
February, the weather in San is usually very hot. However, there are remarkable differences between night and day. The average temperature is of 28.4 °C (83 °F), with a minimum of 20.6 °C (69.2 °F) and a maximum of 36.2 °C (97.2 °F).
On the coldest nights of the month, the temperature usually drops to around 15.5 °C (60.5 °F). However, it dropped to 11.8 °C (53.2 °F) in February 1994.
On the warmest days of the month, the temperature usually reaches around 40.5 °C (105.5 °F). However, it reached 43.2 °C (109.8 °F) in February 2010.
Precipitation amounts to only 6 mm (0.2 in), distributed over 0 days.
The day lasts on average 11 hours and 40 minutes.
There are on average 9 hours of sunshine per day. So, the sun shines 78% of the time.
The average humidity is 24%. Hence, the air is normally dry.
The average wind speed is 6 kph (4 mph).
In
March, the weather in San is usually very hot. However, there are remarkable differences between night and day. The average temperature is of 31.9 °C (89 °F), with a minimum of 24.3 °C (75.8 °F) and a maximum of 39.5 °C (103.1 °F).
On the coldest nights, the temperature usually drops to around 19 °C (66.5 °F). However, it dropped to 15.1 °C (59.2 °F) in March 2014.
On the warmest days, the temperature usually reaches around 43 °C (109 °F). However, it reached 43.5 °C (110.3 °F) in March 2007.
Precipitation amounts to only 4 mm (0.2 in), distributed over 0 days.
The day lasts on average 12 hours and 5 minutes.
There are on average 9.5 hours of sunshine per day. So, the sun shines 77% of the time.
The average humidity is 22%. Hence, the air is normally dry.
The average wind speed is 5 kph (3 mph).
In
April, the hottest month of the year, the weather in San is usually scorchingly hot. However, there are remarkable differences between night and day. The average temperature is of 34.6 °C (94 °F), with a minimum of 27.7 °C (81.9 °F) and a maximum of 41.4 °C (106.5 °F).
On the coldest nights, the temperature usually drops to around 22.5 °C (72.5 °F). However, it dropped to 18.5 °C (65.3 °F) in April 2010.
On the warmest days, the temperature usually reaches around 44.5 °C (111.5 °F). However, it reached 45 °C (113 °F) in April 2002.
Precipitation amounts to only 9 mm (0.4 in), distributed over 0 days.
The day lasts on average 12 hours and 25 minutes.
There are on average 9 hours of sunshine per day. So, the sun shines 71% of the time.
The average humidity is 27%. Hence, the air is normally dry.
The average wind speed is 5 kph (3 mph).
In
May, the weather in San is usually scorchingly hot. The average temperature is of 34.3 °C (94 °F), with a minimum of 28 °C (82.5 °F) and a maximum of 40.6 °C (105 °F).
On the coldest nights, the temperature usually drops to around 22.5 °C (72.5 °F). However, it dropped to 20.5 °C (68.9 °F) in May 1997.
On the warmest days, the temperature usually reaches around 43.5 °C (110.5 °F). However, it reached 44.2 °C (111.6 °F) in May 2011.
Precipitation amounts to 30 mm (1.2 in), and all occurs in one day.
The day lasts on average 12 hours and 50 minutes.
There are on average 8.5 hours of sunshine per day. So, the sun shines 66% of the time.
The average humidity is 43%.
The average wind speed is 6 kph (4 mph).
In
June, the weather in San is usually very hot. The average temperature is of 31.9 °C (89 °F), with a minimum of 26.3 °C (79.4 °F) and a maximum of 37.6 °C (99.6 °F).
On the coldest nights, the temperature usually drops to around 22 °C (71.5 °F). However, it dropped to 20 °C (68 °F) in June 2007.
On the warmest days, the temperature usually reaches around 42 °C (107 °F). However, it reached 43.6 °C (110.5 °F) in June 2007.
Precipitation amounts to 95 mm (3.7 in), distributed over 4 days.
The day lasts on average 12 hours and 55 minutes.
There are on average 8 hours of sunshine per day. So, the sun shines 62% of the time.
The average humidity is 58%.
The average wind speed is 6 kph (4 mph).
In
July, the weather in San is usually very hot and muggy. The average temperature is of 29.2 °C (85 °F), with a minimum of 24.2 °C (75.5 °F) and a maximum of 34.2 °C (93.5 °F).
On the coldest nights of the month, the temperature usually drops to around 19.5 °C (67 °F). However, it dropped to 18.6 °C (65.5 °F) in July 2005.
On the warmest days of the month, the temperature usually reaches around 39.5 °C (103 °F). However, it reached 40.5 °C (104.9 °F) in July 2002.
Precipitation amounts to 180 mm (7.1 in), distributed over 7 days.
The day lasts on average 12 hours and 50 minutes.
There are on average 7.5 hours of sunshine per day. So, the sun shines 59% of the time.
The average humidity is 73%. Hence, the air is normally humid.
The average wind speed is 5 kph (3 mph).
In
August, the weather in San is usually very hot and muggy. The average temperature is of 28.0 °C (82 °F), with a minimum of 23.6 °C (74.4 °F) and a maximum of 32.4 °C (90.3 °F).
On the coldest nights of the month, the temperature usually drops to around 21 °C (70 °F). However, it dropped to 20 °C (68 °F) in August 1993.
On the warmest days of the month, the temperature usually reaches around 36 °C (96.5 °F). However, it reached 38.4 °C (101.1 °F) in August 2011.
Precipitation amounts to 240 mm (9.4 in), distributed over 10 days.
The day lasts on average 12 hours and 30 minutes.
There are on average 7 hours of sunshine per day. So, the sun shines 57% of the time.
The average humidity is 80%. Hence, the air is normally humid.
The average wind speed is 4 kph (2 mph).
In
September, the weather in San is usually very hot and muggy. The average temperature is of 28.6 °C (83 °F), with a minimum of 23.8 °C (74.9 °F) and a maximum of 33.4 °C (92.1 °F).
On the coldest nights, the temperature usually drops to around 21 °C (69.5 °F). However, it dropped to 19 °C (66.2 °F) in September 1993.
On the warmest days, the temperature usually reaches around 38 °C (100.5 °F). However, it reached 38.6 °C (101.5 °F) in September 2002.
Precipitation amounts to 135 mm (5.3 in), distributed over 5 days.
The day lasts on average 12 hours and 10 minutes.
There are on average 8 hours of sunshine per day. So, the sun shines 68% of the time.
The average humidity is 78%. Hence, the air is normally humid.
The average wind speed is 3 kph (2 mph).
In
October, the weather in San is usually very hot. The average temperature is of 30.6 °C (87 °F), with a minimum of 24.4 °C (76 °F) and a maximum of 36.7 °C (98.1 °F).
On the coldest nights, the temperature usually drops to around 21 °C (70 °F). However, it dropped to 18.6 °C (65.5 °F) in October 1991.
On the warmest days, the temperature usually reaches around 39.5 °C (103.5 °F). However, it reached 40.6 °C (105.1 °F) in October 2004.
Precipitation amounts to 25 mm (1 in), and all occurs in one day.
The day lasts on average 11 hours and 50 minutes.
There are on average 9.5 hours of sunshine per day. So, the sun shines 78% of the time.
The average humidity is 58%.
The average wind speed is 3 kph (2 mph).
In
November, the weather in San is usually very hot. However, there are remarkable differences between night and day. The average temperature is of 28.8 °C (84 °F), with a minimum of 21.1 °C (70 °F) and a maximum of 36.5 °C (97.7 °F).
On the coldest nights, the temperature usually drops to around 17.5 °C (63.5 °F). However, it dropped to 15 °C (59 °F) in November 1996.
On the warmest days, the temperature usually reaches around 39 °C (102 °F). However, it reached 41.2 °C (106.2 °F) in November 2014.
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 9.5 hours of sunshine per day. So, the sun shines 83% of the time.
The average humidity is 40%.
The average wind speed is 4 kph (2 mph).
In
December, the weather in San is usually warm to hot. However, there are remarkable differences between night and day. The average temperature is of 26.3 °C (79 °F), with a minimum of 18.3 °C (64.9 °F) and a maximum of 34.4 °C (93.8 °F).
On the coldest nights of the month, the temperature usually drops to around 14.5 °C (58 °F). However, it dropped to 13 °C (55.4 °F) in December 1998.
On the warmest days of the month, the temperature usually reaches around 38 °C (100.5 °F). However, it reached 39.5 °C (103.1 °F) in December 2016.
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.
There are on average 9 hours of sunshine per day. So, the sun shines 79% of the time.
The average humidity is 33%. Hence, the air is normally dry.
The average wind speed is 5 kph (3 mph).