Climate - Diourbel (Senegal)

Diourbel's climate is tropical semi-arid, with a long, dry season from November to May, and a wet, rainy season that runs roughly from late June to early October. The total rainfall that falls in a year is not low, but the climate can be defined as semi-arid because the dry season is very long.
The city is located in the center of Senegal, about 120 km (75 mi) east of Dakar.
During the day it is hot all year round, but from November to March, nights are cool and the humidity is lower.
All year round, however, a hot, dry wind can blow from the interior, maybe just for a day or two.

The average temperature of the coldest month (January) is of 25.5 °C (77.9 °F), that of the warmest month (June) is of 30.6 °C (87.2 °F). Here are the average temperatures.
Precipitation amounts to 610 millimeters (24 inches) per year: so, it is at an intermediate level. It ranges from 0 mm (0 in) in the driest months (January, February, March, April, May, November, December) to 250 mm (9.8 in) in the wettest one (September). Here is the average precipitation.

Diourbel - Weather by month

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

In January, the coldest month of the year, the average temperature is of 25.5 °C (78 °F), with a minimum of 16.6 °C (61.9 °F) and a maximum of 34.4 °C (93.8 °F).
On the coldest nights of the month, the temperature usually drops to around 12 °C (53.5 °F).
On the warmest days of the month, the temperature usually reaches around 39 °C (102 °F). However, in January 2010, it reached 43.2 °C (109.8 °F).
Precipitation amounts to only 0 mm (0 in), distributed over 0 days.
The average humidity is 34%.
The average wind speed is 6 kph (4 kph).

In February, the average temperature is of 27.0 °C (81 °F), with a minimum of 17.9 °C (64.2 °F) and a maximum of 36.1 °C (97 °F).
On the coldest nights of the month, the temperature usually drops to around 13 °C (55.5 °F).
On the warmest days of the month, the temperature usually reaches around 40.5 °C (104.5 °F). However, in February 2010, it reached 43.3 °C (109.9 °F).
Precipitation amounts to only 0 mm (0 in), distributed over 1 days.
The average humidity is 36%.
The average wind speed is 6 kph (4 kph).

In March, the average temperature is of 28.6 °C (84 °F), with a minimum of 18.9 °C (66 °F) and a maximum of 38.4 °C (101.1 °F).
On the coldest nights of the month, the temperature usually drops to around 14.5 °C (58.5 °F).
On the warmest days of the month, the temperature usually reaches around 42.5 °C (108.5 °F). However, in March 2017, it reached 44.7 °C (112.5 °F).
Precipitation amounts to only 0 mm (0 in), distributed over 0 days.
The average humidity is 38%.
The average wind speed is 7 kph (4 kph).

In April, the average temperature is of 29.6 °C (85 °F), with a minimum of 19.5 °C (67 °F) and a maximum of 39.7 °C (103.5 °F).
On the coldest nights of the month, the temperature usually drops to around 15.5 °C (60 °F).
On the warmest days of the month, the temperature usually reaches around 44 °C (111.5 °F). However, in April 2016, it reached 47 °C (116.6 °F).
Precipitation amounts to only 0 mm (0 in), distributed over 0 days.
The average humidity is 43%.
The average wind speed is 8 kph (5 kph).

In May, the average temperature is of 30.5 °C (87 °F), with a minimum of 20.9 °C (69.7 °F) and a maximum of 40 °C (104.1 °F).
On the coldest nights of the month, the temperature usually drops to around 17 °C (62.5 °F).
On the warmest days of the month, the temperature usually reaches around 44.5 °C (112 °F). However, in May 2020, it reached 46.3 °C (115.3 °F).
Precipitation amounts to only 0 mm (0 in), distributed over 0 days.
The average humidity is 48%.
The average wind speed is 7 kph (4 kph).

In June, the warmest month of the year, the average temperature is of 30.6 °C (87 °F), with a minimum of 23 °C (73.3 °F) and a maximum of 38.3 °C (101 °F).
On the coldest nights of the month, the temperature usually drops to around 20 °C (67.5 °F).
On the warmest days of the month, the temperature usually reaches around 42.5 °C (108.5 °F). However, in June 1992, it reached 45.6 °C (114.1 °F).
Precipitation amounts to 20 mm (0.8 in), distributed over 1 days.
The average humidity is 60%.
The average wind speed is 7 kph (4 kph).

In July, the average temperature is of 29.8 °C (86 °F), with a minimum of 24 °C (75.3 °F) and a maximum of 35.5 °C (96 °F).
On the coldest nights of the month, the temperature usually drops to around 20.5 °C (69.5 °F).
On the warmest days of the month, the temperature usually reaches around 39.5 °C (103.5 °F). However, in July 1995, it reached 44 °C (111.2 °F).
Precipitation amounts to 135 mm (5.3 in), distributed over 5 days.
The average humidity is 70%.
The average wind speed is 6 kph (4 kph).

In August, the average temperature is of 29.0 °C (84 °F), with a minimum of 23.9 °C (75 °F) and a maximum of 34 °C (93.3 °F).
On the coldest nights of the month, the temperature usually drops to around 20 °C (67.5 °F).
On the warmest days of the month, the temperature usually reaches around 37.5 °C (100 °F). However, in August 1997, it reached 40.8 °C (105.4 °F).
Precipitation amounts to 175 mm (6.9 in), distributed over 9 days.
The average humidity is 78%.
The average wind speed is 4 kph (3 kph).

In September, the average temperature is of 28.9 °C (84 °F), with a minimum of 23.6 °C (74.5 °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 °C (66.5 °F).
On the warmest days of the month, the temperature usually reaches around 37.5 °C (99.5 °F). However, in September 2017, it reached 39.2 °C (102.6 °F).
Precipitation amounts to 250 mm (9.8 in), distributed over 7 days.
The average humidity is 79%.
The average wind speed is 4 kph (2 kph).

In October, the average temperature is of 30.3 °C (86 °F), with a minimum of 23.3 °C (74 °F) and a maximum of 37.2 °C (99 °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 40.5 °C (105 °F). However, in October 2017, it reached 42.5 °C (108.5 °F).
Precipitation amounts to 25 mm (1 in), distributed over 2 days.
The average humidity is 65%.
The average wind speed is 4 kph (2 kph).

In November, the average temperature is of 28.9 °C (84 °F), with a minimum of 19.9 °C (67.8 °F) and a maximum of 37.9 °C (100.2 °F).
On the coldest nights of the month, the temperature usually drops to around 15.5 °C (59.5 °F).
On the warmest days of the month, the temperature usually reaches around 40.5 °C (105 °F). However, in November 2017, it reached 43 °C (109.4 °F).
Precipitation amounts to only 0 mm (0 in), distributed over 0 days.
The average humidity is 44%.
The average wind speed is 4 kph (3 kph).

In December, the average temperature is of 26.3 °C (79 °F), with a minimum of 17.5 °C (63.5 °F) and a maximum of 35.1 °C (95.2 °F).
On the coldest nights of the month, the temperature usually drops to around 12.5 °C (55 °F).
On the warmest days of the month, the temperature usually reaches around 39 °C (102.5 °F). However, in December 2016, it reached 42.8 °C (109 °F).
Precipitation amounts to only 0 mm (0 in), distributed over 0 days.
The average humidity is 38%.
The average wind speed is 5 kph (3 kph).