Cape Town, South Africa - Detailed climate information and monthly weather forecast

Frequently asked questions
Average temperature
Average humidity
Average rainfall
Average rainfall days
Average sea temperature
Average daylight
Average sunshine
Average UV index

An aerial view of Cape Town, South Africa, with the surrounding calm clear waters and several mountains in view

How much does it rain in Cape Town?

In Cape Town, South Africa, during the entire year, the rain falls for 103.7 days and collects up to 515mm (20.3") of precipitation.

When is the sea warmest in Cape Town?

January is the month with the warmest seawater in Cape Town, South Africa, with an average sea temperature of 18.5°C (65.3°F). For swimming, a surface water temperature of 18.5°C (65.3°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

What is the warmest month in Cape Town?

The warmest month is February, with an average high-temperature of 26.5°C (79.7°F) and an average low-temperature of 15.6°C (60.1°F).

What is the wettest month in Cape Town?

June is the month with the most rainfall in Cape Town. Rain falls for 13.3 days and accumulates 93mm (3.7") of precipitation.

What is the coldest month in Cape Town?

July is the coldest month in Cape Town, South Africa, with an average high-temperature of 17.5°C (63.5°F) and an average low-temperature of 7°C (44.6°F).

What are the months with the coldest sea water in Cape Town?

July through September, with an average sea temperature of 15.3°C (59.5°F), are months with the coldest seawater in Cape Town, South Africa. Swimming in 15.3°C (59.5°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

What is the driest month in Cape Town?

The month with the least rainfall is November when the rain falls for 4.9 days and typically collects 14mm (0.6") of precipitation.

Today

Tomorrow

Long-term

Climate J F M A M J J A S O N D Year

Average temperature - Cape Town, South Africa

Average high temperature in January:
26.1°C
Average high temperature in February:
26.5°C
Average high temperature in March:
25.4°C
Average high temperature in April:
23°C
Average high temperature in May:
20.3°C
Average high temperature in June:
18.1°C

Average high temperature in July:
17.5°C
Average high temperature in August:
17.8°C
Average high temperature in September:
19.2°C
Average high temperature in October:
21.3°C
Average high temperature in November:
23.5°C
Average high temperature in December:
24.9°C

The warmest month (with the highest average high temperature) is February (26.5°C).
The month with the lowest average high temperature is July (17.5°C).

Average low temperature in January:
15.7°C
Average low temperature in February:
15.6°C
Average low temperature in March:
14.2°C
Average low temperature in April:
11.9°C
Average low temperature in May:
9.4°C
Average low temperature in June:
7.8°C

Average low temperature in July:
7°C
Average low temperature in August:
7.5°C
Average low temperature in September:
8.7°C
Average low temperature in October:
10.6°C
Average low temperature in November:
13.2°C
Average low temperature in December:
14.9°C

The month with the highest average low temperature is January (15.7°C).
The coldest month (with the lowest average low temperature) is July (7°C).

[Resources]

Average humidity - Cape Town, South Africa

Months with the highest relative humidity are May, June and July (81%).
Months with the lowest relative humidity are January, November and December (71%).

[Resources]

Average rainfall - Cape Town, South Africa

The wettest month (with the highest rainfall) is June (93mm).
The driest month (with the lowest rainfall) is November (14mm).

[Resources]

Average rainfall days - Cape Town, South Africa

Average rainfall days in January:
5.5 days
Average rainfall days in February:
4.6 days
Average rainfall days in March:
4.8 days
Average rainfall days in April:
8.3 days
Average rainfall days in May:
11.4 days
Average rainfall days in June:
13.3 days

Average rainfall days in July:
11.8 days
Average rainfall days in August:
13.7 days
Average rainfall days in September:
10.4 days
Average rainfall days in October:
8.7 days
Average rainfall days in November:
4.9 days
Average rainfall days in December:
6.3 days

The month with the highest number of rainy days is August (13.7 days).
The month with the lowest number of rainy days is February (4.6 days).

[Resources]

Average sea temperature - Cape Town, South Africa

Average sea temperature in January:
18.5°C
Average sea temperature in February:
18.1°C
Average sea temperature in March:
18.3°C
Average sea temperature in April:
16.6°C
Average sea temperature in May:
16.4°C
Average sea temperature in June:
16.2°C

Average sea temperature in July:
15.3°C
Average sea temperature in August:
15.3°C
Average sea temperature in September:
15.3°C
Average sea temperature in October:
15.9°C
Average sea temperature in November:
17.2°C
Average sea temperature in December:
18.1°C

The best month for swimming (with the highest average sea temperature) is January (18.5°C).
Coldest months (with the lowest average sea temperature) are July, August and September (15.3°C).

[Resources]