Climate - Jwaneng (Botswana)

The climate of Jwaneng is sub-tropical semi-arid, tempered by altitude, with a hot, rainy season from November to March and a long dry season from April to October, within which there is a cool period from May to August. In the latter, at night the temperature can drop a few degrees below freezing. During the day, it can get very hot from September to April.
The city is located in southern Botswana, 115 km (70 mi) west of Gaborone, and at 1,200 meters (3,900 feet) above sea level.

Jwaneng - Climate data

In Jwaneng, the average temperature of the coldest month (July) is of 13.1 °C (55.7 °F), that of the warmest month (January) is of 25.2 °C (77.4 °F). Here are the average temperatures.
In Jwaneng, precipitation amounts to 480 millimeters (18.9 inches) per year: it is therefore quite scarce. It ranges from 11 mm (0.4 in) in the driest month (June) to 85 mm (3.3 in) in the wettest one (January). Here is the average precipitation.

Jwaneng - Weather by month

Based on the period 1991-2020

---

In January, the warmest month of the year, the weather in Jwaneng 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 18.4 °C (65.2 °F) and a maximum of 32 °C (89.6 °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 36 °C (97 °F). However, it reached 40.8 °C (105.4 °F) in January 2003.
Precipitation amounts to 85 mm (3.3 in), distributed over 11 days.
The day lasts on average 13 hours and 30 minutes.
The average humidity is 56%.
The average wind speed is 14 kph (9 mph).

---

In February, the weather in Jwaneng is usually warm to hot. However, there are remarkable differences between night and day. The average temperature is of 25 °C (77 °F), with a minimum of 18 °C (64.4 °F) and a maximum of 32 °C (89.6 °F).
On the coldest nights of the month, the temperature usually drops to around 13 °C (55 °F).
On the warmest days of the month, the temperature usually reaches around 36 °C (97 °F). However, it reached 39 °C (102.2 °F) in February 1992.
Precipitation amounts to 70 mm (2.8 in), distributed over 11 days.
The day lasts on average 12 hours and 55 minutes.
The average humidity is 55%.
The average wind speed is 14 kph (8 mph).

---

In March, the weather in Jwaneng is usually warm to hot. However, there are remarkable differences between night and day. The average temperature is of 23.3 °C (74 °F), with a minimum of 16.3 °C (61.3 °F) and a maximum of 30.3 °C (86.6 °F).
On the coldest nights, the temperature usually drops to around 11.5 °C (53 °F). However, it dropped to 6 °C (42.8 °F) in March 2003.
On the warmest days, the temperature usually reaches around 34.5 °C (94 °F). However, it reached 38.3 °C (100.9 °F) in March 2019.
Precipitation amounts to 55 mm (2.2 in), distributed over 8 days.
The day lasts on average 12 hours and 10 minutes.
The average humidity is 57%.
The average wind speed is 12 kph (7 mph).

---

In April, the weather in Jwaneng is usually warm. However, there are remarkable differences between night and day. The average temperature is of 20.5 °C (69 °F), with a minimum of 12.7 °C (54.9 °F) and a maximum of 28.3 °C (82.9 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 6.5 °C (43.5 °F). However, it dropped to 0 °C (32 °F) in April 2007.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 32 °C (89.5 °F). However, it reached 38 °C (100.4 °F) in April 1992.
Precipitation amounts to 40 mm (1.6 in), distributed over 9 days.
The day lasts on average 11 hours and 30 minutes.
The average humidity is 51%.
The average wind speed is 13 kph (8 mph).

---

In May, the weather in Jwaneng is usually very mild. However, there are remarkable differences between night and day. The average temperature is of 16.5 °C (62 °F), with a minimum of 7.8 °C (46.1 °F) and a maximum of 25.1 °C (77.2 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 1 °C (34 °F). However, it dropped to -6 °C (21.2 °F) in May 2007.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 29.5 °C (85 °F). However, it reached 33 °C (91.4 °F) in May 2012.
Precipitation amounts to 14 mm (0.6 in), distributed over 5 days.
The day lasts on average 10 hours and 55 minutes.
The average humidity is 47%.
The average wind speed is 12 kph (8 mph).

---

In June, the weather in Jwaneng is usually mild. However, there are remarkable differences between night and day. The average temperature is of 13.9 °C (57 °F), with a minimum of 4.7 °C (40.4 °F) and a maximum of 23 °C (73.5 °F).
On the coldest nights, the temperature usually drops to around -2.5 °C (28 °F). However, it dropped to -7 °C (19.4 °F) in June 2011.
On the warmest days, the temperature usually reaches around 28 °C (82 °F). However, it reached 31 °C (87.8 °F) in June 1996.
Precipitation amounts to 11 mm (0.4 in), distributed over 5 days.
The day lasts on average 10 hours and 35 minutes. June 21, the winter solstice, is the shortest day of the year in the Southern Hemisphere.
The average humidity is 45%.
The average wind speed is 12 kph (8 mph).

---

In July, the coldest month of the year, the weather in Jwaneng is usually mild. However, there are remarkable differences between night and day. The average temperature is of 13.1 °C (56 °F), with a minimum of 3.8 °C (38.9 °F) and a maximum of 22.4 °C (72.4 °F).
On the coldest nights of the month, the temperature usually drops to around -3.5 °C (26 °F). However, it dropped to -7.5 °C (18.5 °F) in July 1996.
On the warmest days of the month, the temperature usually reaches around 27 °C (81 °F). However, it reached 34.4 °C (93.9 °F) in July 1992.
Precipitation amounts to 14 mm (0.6 in), distributed over 7 days.
The day lasts on average 10 hours and 50 minutes.
The average humidity is 42%.
The average wind speed is 14 kph (9 mph).

---

In August, the weather in Jwaneng is usually very mild. However, there are remarkable differences between night and day. The average temperature is of 16.1 °C (61 °F), with a minimum of 6.5 °C (43.7 °F) and a maximum of 25.7 °C (78.3 °F).
On the coldest nights of the month, the temperature usually drops to around -1.5 °C (29.5 °F). However, it dropped to -5 °C (23 °F) in August 2003.
On the warmest days of the month, the temperature usually reaches around 31 °C (87.5 °F). However, it reached 33.3 °C (91.9 °F) in August 2005.
Precipitation amounts to 25 mm (1 in), distributed over 6 days.
The day lasts on average 11 hours and 20 minutes.
The average humidity is 36%.
The average wind speed is 16 kph (10 mph).

---

In September, the weather in Jwaneng is usually warm. However, there are remarkable differences between night and day. The average temperature is of 20.4 °C (69 °F), with a minimum of 11 °C (51.8 °F) and a maximum of 29.7 °C (85.5 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 2.5 °C (36.5 °F). However, it dropped to -1 °C (30.2 °F) in September 1999.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 34.5 °C (94 °F). However, it reached 37.7 °C (99.9 °F) in September 2017.
Precipitation amounts to 25 mm (1 in), distributed over 6 days.
The day lasts on average 12 hours and 0 minutes.
The average humidity is 33%. Hence, the air is normally dry.
The average wind speed is 17 kph (10 mph).

---

In October, the weather in Jwaneng 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 15.4 °C (59.6 °F) and a maximum of 31.8 °C (89.3 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 8 °C (46.5 °F). However, it dropped to 2 °C (35.6 °F) in October 1994.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 36.5 °C (98 °F). However, it reached 39.5 °C (103.1 °F) in October 2011.
Precipitation amounts to 40 mm (1.6 in), distributed over 8 days.
The day lasts on average 12 hours and 40 minutes.
The average humidity is 38%.
The average wind speed is 17 kph (11 mph).

---

In November, the weather in Jwaneng is usually warm to hot. However, there are remarkable differences between night and day. The average temperature is of 24.5 °C (76 °F), with a minimum of 16.8 °C (62.2 °F) and a maximum of 32.1 °C (89.8 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 10 °C (50.5 °F). However, it dropped to 5.1 °C (41.2 °F) in November 2000.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 37 °C (98.5 °F). However, it reached 39.4 °C (102.9 °F) in November 2012.
Precipitation amounts to 50 mm (2 in), distributed over 10 days.
The day lasts on average 13 hours and 20 minutes.
The average humidity is 44%.
The average wind speed is 16 kph (10 mph).

---

In December, the weather in Jwaneng is usually warm to hot. However, there are remarkable differences between night and day. The average temperature is of 25.0 °C (77 °F), with a minimum of 17.9 °C (64.2 °F) and a maximum of 32.2 °C (90 °F).
On the coldest nights of the month, the temperature usually drops to around 12.5 °C (54.5 °F).
On the warmest days of the month, the temperature usually reaches around 36.5 °C (97.5 °F). However, it reached 39.3 °C (102.7 °F) in December 2009.
Precipitation amounts to 60 mm (2.4 in), distributed over 10 days.
The day lasts on average 13 hours and 35 minutes. December 21, the summer solstice, is the longest day of the year in the Southern Hemisphere.
The average humidity is 51%.
The average wind speed is 16 kph (10 mph).