March weather forecast
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

March, the first month of the autumn in Cape Town, is also a moderately hot month, with an average temperature fluctuating between 16.8°C (62.2°F) and 24.8°C (76.6°F).

Temperature

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

Humidity

The average relative humidity in March is 70%.

Rainfall

In Cape Town, South Africa, during 6.7 rainfall days, 11mm (0.43") of precipitation is typically accumulated. Throughout the year, in Cape Town, there are 111 rainfall days, and 435mm (17.13") of precipitation is accumulated.

Sea temperature

In March, the average sea temperature in Cape Town is 18.3°C (64.9°F).
Note: For most, swimming in 18.3°C (64.9°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

Daylight

The average length of the day in March in Cape Town is 12h and 17min.
On the first day of the month, sunrise is at 06:34 and sunset at 19:23. On the last day of March, sunrise is at 06:57 and sunset at 18:43 SAST.

Sunshine

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

UV index

In March, the average daily maximum UV index in Cape Town is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 5 in March transform into the following instructions:
Take precautions - Protection against skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in March in Cape Town?

The average high-temperature, in March, is 24.8°C (76.6°F), while the average low-temperature is 16.8°C (62.2°F).

What is the average humidity in March in Cape Town?

In Cape Town, South Africa, the average relative humidity in March is 70%.

How much does it rain in Cape Town in March?

In Cape Town, during March, the rain falls for 6.7 days and regularly aggregates up to 11mm (0.43") of precipitation.

What is the sea temperature in March in Cape Town?

In Cape Town, the average seawater temperature in March is 18.3°C (64.9°F). For most, swimming in 18.3°C (64.9°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

How many hours of daylight does Cape Town have in March?

In Cape Town, the average day length in March is 12h and 17min.

When is the sunrise / sunset in March in Cape Town?

In March, on the first day of the month, sunrise is at 06:34 and sunset at 19:23. On the last day of the month, sunrise is at 06:57 and sunset at 18:43 SAST.

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

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

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

In March, the average daily maximum UV index in Cape Town is 5. A UV Index reading of 3 to 5 represents a medium health risk from exposure to 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%

The months with the highest relative humidity are June, August and September (74%).
The 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: 12h and 17min

The month with the longest days is December (Average daylight: 14h and 22min).
The month with the shortest days is June (Average daylight: 9h and 56min).

  • Average sunshine in March: 9h and 12min

The month with the most sunshine is December (Average sunshine: 11h and 6min).
The month with the least sunshine is June (Average sunshine: 6h and 0min).

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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

The months with the highest UV index are January, February and December (UV index 6).
The 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

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

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