March weather forecast and climate
Cape Town, South Africa

Cape Town, South Africa, with the surrounding calm clear waters and several mountains
Cape Town, South Africa, with the surrounding calm clear waters and several mountains

Weather in March

The first month of the autumn, March, is still a warm month in Cape Town, South Africa, with average temperature varying between 16.8°C (62.2°F) and 24.8°C (76.6°F).

Temperature

In March, the average high-temperature is relatively the same as in February - a still moderately hot 24.8°C (76.6°F). In March, in Cape Town, the average low-temperature is 16.8°C (62.2°F).

Humidity

In March, the average relative humidity is 70%.

Rainfall

In Cape Town, during March, the rain falls for 6.7 days and regularly aggregates up to 11mm (0.43") of precipitation. Throughout the year, there are 111 rainfall days, and 435mm (17.13") of precipitation is accumulated.

Sea temperature

In Cape Town, in March, the average water temperature is 18.3°C (64.9°F).
Note: For swimming, a surface water temperature of 18.3°C (64.9°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).

Daylight

The average length of the day in Cape Town is 12.3h.

Sunshine

In March, the average sunshine is 9.2h.

UV index

In Cape Town, the average daily maximum UV index in March is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 5 transform into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in March in Cape Town?

In Cape Town, in March, the average high-temperature is 24.8°C (76.6°F), and the average low-temperature is 16.8°C (62.2°F).

What is the average humidity in March in Cape Town?

The average relative humidity in March in Cape Town is 70%.

How much does it rain in Cape Town in March?

In March, the rain falls for 6.7 days. Throughout March, 11mm (0.43") of precipitation is accumulated.

What is the sea water temperature in March in Cape Town?

In Cape Town, South Africa, in March, the average water temperature is 18.3°C (64.9°F). Swimming in 18.3°C (64.9°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 average length of the day in March in Cape Town?

In March, the average length of the day in Cape Town is 12.3h.

How long on average sun shines in March in Cape Town?

In Cape Town, South Africa, the average sunshine in March is 9.2h.

What is the UV index reading in March in Cape Town?

In March, the average daily maximum UV index in Cape Town, South Africa, is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to the Sun's UV rays.

Average temperature in March
Cape Town, South Africa

Average temperature in March - Cape Town, South Africa
  • Average high temperature in March: 24.8°C

The warmest month (with the highest average high temperature) is February (26.1°C).
The month with the lowest average high temperature is August (16.6°C).

  • Average low temperature in March: 16.8°C

The month with the highest average low temperature is January (17.7°C).
The coldest months (with the lowest average low temperature) are July and August (10.2°C).

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Average pressure in March
Cape Town, South Africa

Average pressure in March - Cape Town, South Africa
  • Average pressure in March: 1015.1mbar

The month with the highest atmospheric pressure is July (1022mbar).
The month with the lowest atmospheric pressure is February (1013.4mbar).

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Average wind speed in March
Cape Town, South Africa

Average wind speed in March - Cape Town, South Africa
  • Average wind speed in March: 15.3km/h

The windiest month (with the highest average wind speed) is January (17.6km/h).
The calmest month (with the lowest average wind speed) is May (13.4km/h).

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Average humidity in March
Cape Town, South Africa

Average humidity in March - Cape Town, South Africa
  • Average humidity in March: 70%

Months with the highest relative humidity are June, August and September (74%).
Months with the lowest relative humidity are February, April and December (68%).

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Average rainfall in March
Cape Town, South Africa

Average rainfall in March - Cape Town, South Africa
  • Average rainfall in March: 11mm

The wettest month (with the highest rainfall) is June (98mm).
The driest month (with the least rainfall) is February (7mm).

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Average rainfall days in March
Cape Town, South Africa

Average rainfall days in March - Cape Town, South Africa
  • Average rainfall days in March: 6.7 days

The month with the highest number of rainy days is June (13.8 days).
The month with the least rainy days is February (4.9 days).

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Average sea temperature in March
Cape Town, South Africa

Average sea temperature in March - Cape Town, South Africa
  • Average sea temperature in March: 18.3°C

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

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Average daylight in March /
Average sunshine in March
Cape Town, South Africa

Average daylight in March / Average sunshine in March - Cape Town, South Africa
  • Average daylight in March: 12.3h

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

  • Average sunshine in March: 9.2h

The month with the most sunshine is December (Average sunshine: 11.1h).
The month with the least sunshine is June (Average sunshine: 6h).

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Average sunshine days in March
Cape Town, South Africa

Average sunshine days in March - Cape Town, South Africa
  • Average sunshine days in March: 22.5 days

The month with the most sunshine days is January (23.1 days).
The month with the least sunshine days is June (14.6 days).

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Average UV index in March
Cape Town, South Africa

Average UV index in March - Cape Town, South Africa
  • Average UV index in March: 5

Months with the highest UV index are January, February and December (UV index 6).
Months with the lowest UV index are May, June, July, August and September (UV index 4).

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Average cloud cover in March
Cape Town, South Africa

Average cloud cover in March - Cape Town, South Africa
  • Average cloud cover in March: 19

The month with the most cloud cover is June (Cloud cover 34).
The month with the least cloud cover is February (Cloud cover 15).

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Average visibility in March
Cape Town, South Africa

Average visibility in March - Cape Town, South Africa
  • Average visibility in March: 10km

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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