Cape Town
South Africa
33.97 ° S
18.60 ° E
138 ft
Warm temperate dry forest
Csb Warm-summer Mediterranean climate
+
Csbl Subtropical climate with dry summer with warm summer with mild winter
Traditional Koppen classification: Csb (Warm-summer Mediterranean climate)

Official definition:
  • C – temperature of warmest month greater than or equal to 10 °C and temperature of coldest month less than 18 °C, but higher than -3 °C
  • s – precipitation of the driest month in the summer half year is lower than 30 mm and less than one third of the precipitation during the wettest month of the winter half year.
  • b - temperature of each of the four warmest months is higher than 10 °C, but the temperature of the warmest month is less than 22 °C

The Cs climate type is characterized by dry summers and wet winters. Summer temperatures however are in this case not as high as in case of the Csa subtype. The average temperature of the warmest month is not higher than 22 °C.

In comparison with the continental Csa subtype, the Csb type is less common.

Most of precipitation is observed in the winter, which is usually mild, but with possible colder spans. In the summer it is dry, but nicely warm and sunny, which however also increases the risk of wild fires.

The Csb climate can be found for example in some regions on the West coast of the USA (for example San Francisco), in the Southwestern part of South America, some parts in Spain and Portugal, Turkey or South of Africa (Cape Town).


Modern Trewartha classification: Csbl (Subtropical climate with dry summer with warm summer with mild winter)

Subtropical in the Koppen and Trewartha classification is defined as a region, where at least eight months has an average temperature of more than 10 °C, but the coldest month has an average temperature of less than 18 °C. The individual subtypes then differ in their annual precipitation distribution. In Trewartha classification there is a condition of maximum annual precipitation of 900 mm.

In general the subtropical climate is usually found in areas polewards from the tropical zones. It can also be found inside tropical zones at places with higher altitude. Typical are for example citrus trees or palm trees.

The Cs subtype in the Trewartha classification represents a subtropical climate with dry summer, sometimes referred to as the Mediterranean climate. It is characterized by hot and dry summers and mild winters, during which most of the precipitation is observed. High pressure is the dominating factor in the summer, when precipitation is very small and if there is some, it is usually in the form of very short, but intense thunderstorms. In the winter it can sometimes snow, especially at higher altitudes, but in general the winters are mild.

This climate type is most common in western coasts of continents in the middle latitudes, for example it includes areas on the West coast of the U.S. such as California, Southern Europe or Southwest tip of Australia.

  • warm summer: warmest month with average temperature between 18 and 23 °C
  • mild winter: coldest month with average temperature between 10 and 18 °C

Summary

62 °F
53 / 71

18.7 in
101 days

78 %

8 h 11 min/day


Temperature
+

Month Average
1 2 3 4 5 6 7 8 9 10 11 12
Min Temperature(°F) 61.061.057.054.050.046.045.046.048.052.055.057.0 53.0
Avg Temperature(°F) 70.070.067.063.059.055.054.055.057.061.064.067.0 62.0
Max Temperature (°F) 79.079.077.072.068.064.063.064.066.070.073.077.0 71.0
Range 18.018.020.018.018.018.018.018.018.018.018.020.0 18.0


Max month Min month Annual range
Min Temperature Jan, Feb Jul 16.0°F
Avg Temperature Jan, Feb Jul 16.0°F
Max Temperature Jan, Feb Jul 16.0°F
Temperature range Mar, Dec 0, Jan, Feb, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov 34.0°F
Average
1 2 3 4 5 6 7 8 9 10 11 12
Min Temperature(°F)
Avg Temperature(°F)
Max Temperature(°F)


Sep, Oct, Nov

Dec, Jan, Feb

Mar, Apr, May

Jun, Jul, Aug
Max Min Average Range Max Min Average Range Max Min Average Range Max Min Average Range
Min Temperature 55.0 48.0 51.67 7.0 61.0 57.0 59.67 4.0 57.0 50.0 53.67 7.0 46.0 45.0 45.67 1.0
Avg Temperature 64.0 57.0 60.67 7.0 70.0 67.0 69.00 3.0 67.0 59.0 63.00 8.0 55.0 54.0 54.67 1.0
Max Temperature 73.0 66.0 69.67 7.0 79.0 77.0 78.33 2.0 77.0 68.0 72.33 9.0 64.0 63.0 63.67 1.0

Temperature
+

Month Average
1 2 3 4 5 6 7 8 9 10 11 12
Avg Temperature (°F) 70.070.067.063.059.055.054.055.057.061.064.067.0 62.0


Max month Min month Annual range
Avg Temperature Jan, Feb Jul 16.0°F
Month Average
1 2 3 4 5 6 7 8 9 10 11 12
Avg Temperature (°F)


Sep, Oct, Nov

Dec, Jan, Feb

Mar, Apr, May

Jun, Jul, Aug
Max Min Average Range Max Min Average Range Max Min Average Range Max Min Average Range
Avg Temperature 64.0 57.0 60.67 7.0 70.0 67.0 69.00 3.0 67.0 59.0 63.00 8.0 55.0 54.0 54.67 1.0


Humidity
+

Month Average
1 2 3 4 5 6 7 8 9 10 11 12
Avg Humidity (%) 71.073.077.080.083.083.083.082.079.076.074.071.0 62.0


Max month Min month Annual range
Avg Humidity May, Jun, Jul Jan, Dec 12.0%
Month Average
1 2 3 4 5 6 7 8 9 10 11 12
Avg Humidity (%)


Sep, Oct, Nov

Dec, Jan, Feb

Mar, Apr, May

Jun, Jul, Aug
Max Min Average Range Max Min Average Range Max Min Average Range Max Min Average Range
Avg Humidity 79.0 74.0 76.33 5.0 73.0 71.0 71.67 2.0 83.0 77.0 80.00 6.0 83.0 82.0 82.67 1.0


Precipitation
+

Month Monthly average Annual total
1 2 3 4 5 6 7 8 9 10 11 12
Average monthly precipitation (in) 0.60.60.81.62.73.73.33.01.60.10.00.7 1.6 18.7
Wetdays 44581213131210965 8 101
Wetdays ratio (%) 12.9
4,27
14.3
4,24
16.1
5,26
26.7
8,22
38.7
12,19
43.3
13,17
41.9
13,18
38.7
12,19
33.3
10,20
29.0
9,22
20.0
6,24
16.1
5,26
27.7
27.6712,72.3288


Max month Min month Max Season Min Season Annual range
Average monthly precipitation Jun Nov Winter Spring 3.6in
Wetdays Jun, Jul Jan, Feb Winter Summer 9
Month
1 2 3 4 5 6 7 8 9 10 11 12
Average monthly precipitation (in)
Wetdays / month


Sep, Oct, Nov

Dec, Jan, Feb

Mar, Apr, May

Jun, Jul, Aug
Max Min Range Total Max Min Range Total Max Min Range Total Max Min Range Total
Average monthly precipitation (in) 1.6 0.0 1.6 1.8 0.7 0.6 0.1 1.9 2.7 0.8 1.9 5.1 3.7 3.0 0.6 10.0
Wetdays 10 6 4 25 5 4 1 13 12 5 7 25 13 12 1 38

Precipitation
+

Month Monthly average Annual total
1 2 3 4 5 6 7 8 9 10 11 12
Average monthly precipitation (in) 0.60.60.81.62.73.73.33.01.60.10.00.7 1.6 18.7


Max month Min month Max Season Min Season Annual range
Average monthly precipitation Jun Nov Winter Spring 3.6in
Month
1 2 3 4 5 6 7 8 9 10 11 12
Average monthly precipitation (in)


Sep, Oct, Nov

Dec, Jan, Feb

Mar, Apr, May

Jun, Jul, Aug
Max Min Range Total Max Min Range Total Max Min Range Total Max Min Range Total
Average monthly precipitation (in) 1.6 0.0 1.6 1.8 0.7 0.6 0.1 1.9 2.7 0.8 1.9 5.1 3.7 3.0 0.6 10.0


Sunlight / Day length
+

Max day length Min day length Sunlight/Day length
Jan 654 min
10 h 54 min
847 min
14 h 7 min
847,593
862 min
14 h 22 min
(1.1.)
862,578
826 min
13 h 46 min
(31.1.)
826,614
77.3 %
654,193
Feb 624 min
10 h 24 min
798 min
13 h 18 min
798,642
824 min
13 h 44 min
(1.2.)
824,616
769 min
12 h 49 min
(29.2.)
769,671
78.2 %
624,174
Mar 545 min
9 h 5 min
735 min
12 h 15 min
735,705
767 min
12 h 47 min
(1.3.)
767,673
704 min
11 h 44 min
(31.3.)
704,736
74.1 %
545,190
Apr 414 min
6 h 54 min
672 min
11 h 12 min
672,768
701 min
11 h 41 min
(1.4.)
701,739
645 min
10 h 45 min
(30.4.)
645,795
61.6 %
414,258
May 354 min
5 h 54 min
620 min
10 h 20 min
620,820
643 min
10 h 43 min
(1.5.)
643,797
602 min
10 h 2 min
(31.5.)
602,838
57.1 %
354,266
Jun 360 min
6 h 0 min
595 min
9 h 55 min
595,845
601 min
10 h 1 min
(1.6.)
601,839
593 min
9 h 53 min
(20.6.)
593,847
60.5 %
360,235
Jul 342 min
5 h 42 min
608 min
10 h 8 min
608,832
626 min
10 h 26 min
(31.7.)
626,814
595 min
9 h 55 min
(1.7.)
595,845
56.2 %
342,266
Aug 385 min
6 h 25 min
654 min
10 h 54 min
654,786
682 min
11 h 22 min
(31.8.)
682,758
628 min
10 h 28 min
(1.8.)
628,812
58.9 %
385,269
Sep 432 min
7 h 12 min
714 min
11 h 54 min
714,726
744 min
12 h 24 min
(30.9.)
744,696
684 min
11 h 24 min
(1.9.)
684,756
60.5 %
432,282
Oct 534 min
8 h 54 min
777 min
12 h 57 min
777,663
807 min
13 h 27 min
(31.10.)
807,633
746 min
12 h 26 min
(1.10.)
746,694
68.7 %
534,243
Nov 594 min
9 h 54 min
833 min
13 h 53 min
833,607
853 min
14 h 13 min
(30.11.)
853,587
809 min
13 h 29 min
(1.11.)
809,631
71.3 %
594,239
Dec 665 min
11 h 5 min
862 min
14 h 22 min
862,578
864 min
14 h 24 min
(21.12.)
864,576
854 min
14 h 14 min
(1.12.)
854,586
77.2 %
665,197
Year 533 min
8 h 53 min
726 min
12 h 6 min
726,714
864 min
14 h 24 min
(20. 12.)
864,576
593 min
9 h 53 min
(19. 6.)
593,847
73.4 %
533,193



Sep, Oct, Nov

Dec, Jan, Feb

Mar, Apr, May

Jun, Jul, Aug
Max Min Average Sunlight/day Max Min Average Sunlight/day Max Min Average Sunlight/day Max Min Average Sunlight/day
(min/day) 594 432 520 67.1%
520,255
665 624 648 77.5%
648,188
545 354 438 64.7%
438,238
385 342 362 58.5%
362,257
Day length 853 684 775 864 769 836 767 602 676 682 593 619

Day length
+

Max day length Min day length
Jan 847 min
14 h 7 min
847,593
862 min
14 h 22 min
(Array.1.)
862,578
826 min
13 h 46 min
(31.1.)
826,614
Feb 798 min
13 h 18 min
798,642
824 min
13 h 44 min
(Array.2.)
824,616
769 min
12 h 49 min
(29.2.)
769,671
Mar 735 min
12 h 15 min
735,705
767 min
12 h 47 min
(Array.3.)
767,673
704 min
11 h 44 min
(31.3.)
704,736
Apr 672 min
11 h 12 min
672,768
701 min
11 h 41 min
(Array.4.)
701,739
645 min
10 h 45 min
(30.4.)
645,795
May 620 min
10 h 20 min
620,820
643 min
10 h 43 min
(Array.5.)
643,797
602 min
10 h 2 min
(31.5.)
602,838
Jun 595 min
9 h 55 min
595,845
601 min
10 h 1 min
(Array.6.)
601,839
593 min
9 h 53 min
(20.6.)
593,847
Jul 608 min
10 h 8 min
608,832
626 min
10 h 26 min
(Array.7.)
626,814
595 min
9 h 55 min
(1.7.)
595,845
Aug 654 min
10 h 54 min
654,786
682 min
11 h 22 min
(Array.8.)
682,758
628 min
10 h 28 min
(1.8.)
628,812
Sep 714 min
11 h 54 min
714,726
744 min
12 h 24 min
(Array.9.)
744,696
684 min
11 h 24 min
(1.9.)
684,756
Oct 777 min
12 h 57 min
777,663
807 min
13 h 27 min
(Array.10.)
807,633
746 min
12 h 26 min
(1.10.)
746,694
Nov 833 min
13 h 53 min
833,607
853 min
14 h 13 min
(Array.11.)
853,587
809 min
13 h 29 min
(1.11.)
809,631
Dec 862 min
14 h 22 min
862,578
864 min
14 h 24 min
(Array.12.)
864,576
854 min
14 h 14 min
(1.12.)
854,586
Year 726 min
12 h 6 min
726,714
864 min
14 h 24 min
(22. 12.)
864,576
593 min
9 h 53 min
(21. 6.)
593,847



Sep, Oct, Nov

Dec, Jan, Feb

Mar, Apr, May

Jun, Jul, Aug
Max Min Average Max Min Average Max Min Average Max Min Average
Day length 853 684 775 864 769 836 767 602 676 682 593 619

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