January weather forecast and climate
Cape Town, South Africa

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

What is the temperature in January in Cape Town?

In January, in Cape Town, South Africa, the average high-temperature is 26.1°C (79°F), and the average low-temperature is 15.7°C (60.3°F).

How much does it rain in Cape Town in January?

In Cape Town, South Africa, during January, the rain falls for 5.5 days and regularly aggregates up to 15mm (0.6") of precipitation.
Average temperature in January - Cape Town, South Africa
  • Average high temperature in January: 26.1°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

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).

Average humidity in January - Cape Town, South Africa
  • Average humidity in January: 71%

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

Average rainfall in January - Cape Town, South Africa
  • Average rainfall in January: 15mm

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

Average rainfall days in January - Cape Town, South Africa
  • Average rainfall days in January: 5.5 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).

Average sea temperature in January - Cape Town, South Africa
  • Average sea temperature in January: 18.5°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).

Average daylight in January / Average sunshine in January - Cape Town, South Africa
  • Average daylight in January: 14.1h

The month with the longest days is December (Average daylight: 14.4h).
The month with shortest days is June (Average daylight: 9.9h).

  • Average sunshine in January: 10.9h

The month with most sunshine is January (Average sunshine: 10.9h).
The month with least sunshine is June (Average sunshine: 5.8h).

Average UV index in January - Cape Town, South Africa
  • Average UV index in January: 12

Months with the highest UV index are January and December (UV index 12).
Months with the lowest UV index are June and July (UV index 3).

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