Climate - Cape Town (South Africa)

The climate of Cape Town is Mediterranean, with very mild, rainy winters and warm to hot, sunny summers.
The city is located in the South African Republic, on the southwest coast.
In summer, temperatures are not excessively high because of the influence of the ocean, though sometimes a hot and dry wind called Berg, able to raise the temperature to around 35 °C (95 °F), blows from the mountains. On the contrary, a strong southern breeze called Cape Doctor often blows in summer, cooling and cleaning the air. Above the top of Table Mountain, the flat-topped mountain overlooking the city, about a thousand meters (3,300 feet) high, a layer of clouds often forms, which the city's inhabitants call in a colloquial manner "tablecloth".
Even though the winter is mild, there can be some cold and windy days. On the coldest nights of the year, the temperature can drop to around freezing. At other times, the warm wind from the northern mountains can blow in this season as well, so much so that the temperature can reach 30 °C (86 °F) even in winter.

The average temperature of the coldest month (July) is of 13.0 °C (55.3 °F), that of the warmest month (February) is of 22.4 °C (72.3 °F). Here are the average temperatures.
Precipitation amounts to 505 millimeters (19.9 inches) per year: so, it is at an intermediate level. It ranges from 8 mm (0.3 in) in the driest month (February) to 85 mm (3.3 in) in the wettest ones (May, July) Here is the average precipitation.
The sea temperature ranges from 15 °C (15 °F) in July, August to 19.5 °C (19.5 °F) in January, February. Here are the average sea temperatures.
On average, there are around 3095 sunshine hours per year. Here are the average sunshine hours per day.

Cape Town - Weather by month

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

In January, the average temperature is of 22.2 °C (72 °F), with a minimum of 16.5 °C (61.8 °F) and a maximum of 28 °C (82.3 °F).
On the coldest nights of the month, the temperature usually drops to around 11 °C (52 °F). However, in January 1999, it dropped to 8.5 °C (47.3 °F).
On the warmest days of the month, the temperature usually reaches around 35 °C (94.5 °F). However, in January 2000, it reached 41.3 °C (106.3 °F).
Precipitation amounts to 12 mm (0.5 in), distributed over 2 days.
On average, there are 340 hours of sunshine per month, i.e. 11 hours per day.
The average humidity is 66%.
The average wind speed is 24 kph (15 kph).
The average sea temperature is of 19.5 °C (66.5 °F).

In February, the warmest month of the year, the average temperature is of 22.4 °C (72 °F), with a minimum of 16.4 °C (61.6 °F) and a maximum of 28.4 °C (83.1 °F).
On the coldest nights of the month, the temperature usually drops to around 12 °C (53.5 °F). However, in February 2015, it dropped to 7.4 °C (45.3 °F).
On the warmest days of the month, the temperature usually reaches around 35 °C (95 °F). However, in February 2000, it reached 37.4 °C (99.3 °F).
Precipitation amounts to only 8 mm (0.3 in), distributed over 2 days.
On average, there are 295 hours of sunshine per month, i.e. 10.5 hours per day.
The average humidity is 67%.
The average wind speed is 22 kph (14 kph).
The average sea temperature is of 19.5 °C (67 °F).

In March, the average temperature is of 21.0 °C (70 °F), with a minimum of 14.9 °C (58.8 °F) and a maximum of 27 °C (80.6 °F).
On the coldest nights of the month, the temperature usually drops to around 9 °C (48 °F). However, in March 2002, it dropped to 5.5 °C (41.9 °F).
On the warmest days of the month, the temperature usually reaches around 34.5 °C (94.5 °F). However, in March 2015, it reached 42.4 °C (108.3 °F).
Precipitation amounts to 17 mm (0.7 in), distributed over 3 days.
On average, there are 295 hours of sunshine per month, i.e. 9.5 hours per day.
The average humidity is 69%.
The average wind speed is 19 kph (12 kph).
The average sea temperature is of 18.5 °C (65.5 °F).

In April, the average temperature is of 18.4 °C (65 °F), with a minimum of 12 °C (53.6 °F) and a maximum of 24.7 °C (76.5 °F).
On the coldest nights of the month, the temperature usually drops to around 5.5 °C (42 °F). However, in April 2001, it dropped to 3.4 °C (38.1 °F).
On the warmest days of the month, the temperature usually reaches around 33.5 °C (92 °F). However, in April 2012, it reached 37.4 °C (99.3 °F).
Precipitation amounts to 45 mm (1.8 in), distributed over 6 days.
On average, there are 235 hours of sunshine per month, i.e. 8 hours per day.
The average humidity is 72%.
The average wind speed is 16 kph (10 kph).
The average sea temperature is of 17.5 °C (63.5 °F).

In May, the average temperature is of 15.9 °C (61 °F), with a minimum of 10.1 °C (50.1 °F) and a maximum of 21.7 °C (71.1 °F).
On the coldest nights of the month, the temperature usually drops to around 4 °C (39.5 °F). However, in May 1991, it dropped to 1.6 °C (34.9 °F).
On the warmest days of the month, the temperature usually reaches around 29.5 °C (85 °F). However, in May 1996, it reached 33.6 °C (92.5 °F).
Precipitation amounts to 85 mm (3.3 in), distributed over 9 days.
On average, there are 205 hours of sunshine per month, i.e. 6.5 hours per day.
The average humidity is 77%.
The average wind speed is 14 kph (9 kph).
The average sea temperature is of 16.5 °C (61.5 °F).

In June, the average temperature is of 13.5 °C (56 °F), with a minimum of 7.8 °C (46.1 °F) and a maximum of 19.1 °C (66.4 °F).
On the coldest nights of the month, the temperature usually drops to around 2.5 °C (36.5 °F). However, in June 1999, it dropped to 0 °C (32 °F).
On the warmest days of the month, the temperature usually reaches around 26.5 °C (79.5 °F). However, in June 1999, it reached 30.5 °C (86.9 °F).
Precipitation amounts to 80 mm (3.1 in), distributed over 9 days.
On average, there are 175 hours of sunshine per month, i.e. 6 hours per day.
The average humidity is 77%.
The average wind speed is 15 kph (9 kph).
The average sea temperature is of 15.5 °C (60.5 °F).

In July, the coldest month of the year, the average temperature is of 13.0 °C (55 °F), with a minimum of 7.2 °C (44.9 °F) and a maximum of 18.7 °C (65.7 °F).
On the coldest nights of the month, the temperature usually drops to around 1 °C (34 °F). However, in July 1997, it dropped to -0.1 °C (31.8 °F).
On the warmest days of the month, the temperature usually reaches around 26 °C (78.5 °F). However, in July 2017, it reached 30.3 °C (86.5 °F).
Precipitation amounts to 85 mm (3.3 in), distributed over 10 days.
On average, there are 195 hours of sunshine per month, i.e. 6 hours per day.
The average humidity is 76%.
The average wind speed is 15 kph (9 kph).
The average sea temperature is of 15 °C (59 °F).

In August, the average temperature is of 13.4 °C (56 °F), with a minimum of 7.7 °C (45.8 °F) and a maximum of 19.1 °C (66.4 °F).
On the coldest nights of the month, the temperature usually drops to around 2 °C (35.5 °F). However, in August 2003, it dropped to -0.2 °C (31.6 °F).
On the warmest days of the month, the temperature usually reaches around 26.5 °C (80 °F). However, in August 1998, it reached 31.2 °C (88.2 °F).
Precipitation amounts to 70 mm (2.8 in), distributed over 10 days.
On average, there are 210 hours of sunshine per month, i.e. 7 hours per day.
The average humidity is 76%.
The average wind speed is 16 kph (10 kph).
The average sea temperature is of 15 °C (59 °F).

In September, the average temperature is of 14.9 °C (59 °F), with a minimum of 9.2 °C (48.6 °F) and a maximum of 20.5 °C (68.9 °F).
On the coldest nights of the month, the temperature usually drops to around 4 °C (39 °F). However, in September 1998, it dropped to 0.6 °C (33.1 °F).
On the warmest days of the month, the temperature usually reaches around 29.5 °C (85 °F). However, in September 1997, it reached 33.9 °C (93 °F).
Precipitation amounts to 45 mm (1.8 in), distributed over 7 days.
On average, there are 225 hours of sunshine per month, i.e. 7.5 hours per day.
The average humidity is 73%.
The average wind speed is 17 kph (11 kph).
The average sea temperature is of 15.5 °C (59.5 °F).

In October, the average temperature is of 17.3 °C (63 °F), with a minimum of 11.3 °C (52.3 °F) and a maximum of 23.3 °C (74 °F).
On the coldest nights of the month, the temperature usually drops to around 5 °C (40.5 °F). However, in October 2000, it dropped to 2 °C (35.6 °F).
On the warmest days of the month, the temperature usually reaches around 31.5 °C (88.5 °F). However, in October 2018, it reached 36 °C (96.8 °F).
Precipitation amounts to 30 mm (1.2 in), distributed over 5 days.
On average, there are 280 hours of sunshine per month, i.e. 9 hours per day.
The average humidity is 68%.
The average wind speed is 19 kph (12 kph).
The average sea temperature is of 16 °C (60.5 °F).

In November, the average temperature is of 19.0 °C (66 °F), with a minimum of 13.3 °C (56 °F) and a maximum of 24.6 °C (76.4 °F).
On the coldest nights of the month, the temperature usually drops to around 8 °C (46.5 °F). However, in November 1996, it dropped to 3.4 °C (38.1 °F).
On the warmest days of the month, the temperature usually reaches around 32 °C (90 °F). However, in November 2000, it reached 38.7 °C (101.7 °F).
Precipitation amounts to 17 mm (0.7 in), distributed over 3 days.
On average, there are 310 hours of sunshine per month, i.e. 10.5 hours per day.
The average humidity is 66%.
The average wind speed is 22 kph (14 kph).
The average sea temperature is of 17 °C (62.5 °F).

In December, the average temperature is of 21.1 °C (70 °F), with a minimum of 15.4 °C (59.8 °F) and a maximum of 26.7 °C (80.1 °F).
On the coldest nights of the month, the temperature usually drops to around 10.5 °C (51 °F). However, in December 2011, it dropped to 6.2 °C (43.2 °F).
On the warmest days of the month, the temperature usually reaches around 33 °C (91.5 °F). However, in December 2015, it reached 39.1 °C (102.4 °F).
Precipitation amounts to 11 mm (0.4 in), distributed over 2 days.
On average, there are 335 hours of sunshine per month, i.e. 11 hours per day.
The average humidity is 65%.
The average wind speed is 23 kph (14 kph).
The average sea temperature is of 18.5 °C (65.5 °F).