Cape Town weather in March
Cape Town averages 24°C by day and 16°C at night in March, with the sea at 15°C and 4 days with at least 1 mm of rain. It cools by about 2°C into April.
Day
24°C
Night
16°C
Sea
15°C
Rainy days
4
Flight from London
12h
What March feels like
March is warm in Cape Town: T-shirt days, a light layer for evenings.
The sea is 15°C: cold for swimming, so plan on a heated pool.
Rain is occasional, on about 4 days.
Of the 48 sun destinations we track, Cape Town is the #28 warmest in March.
Want it warmer in March?
These are hotter than Cape Town this month for at most an hour and a half more flying:
Cape Town weather by month
March is highlighted. Compare with February and April, or see the full year in Cape Town.
Cape Town in March: quick answers
Is Cape Town hot in March?
March is warm in Cape Town: T-shirt days, a light layer for evenings. Average highs are 24°C and lows 16°C.
Can you swim in Cape Town in March?
The sea is 15°C: cold for swimming, so plan on a heated pool.
Does it rain in Cape Town in March?
Rain is occasional, on about 4 days.
What is the warmest month in Cape Town?
February, at an average high of 26°C. The coolest is July at 17°C.
How long is the flight to Cape Town from the UK?
About 12h direct from London, estimated from the 9,672 km distance. Check your airline for exact times.
Still choosing? See where is hot in March for every destination ranked by temperature, sea and flight time.
How we measured this
Averages of every day in March from 2016 to 2025, from the Open-Meteo historical weather archive (ECMWF ERA5 reanalysis). Sea temperature is the 2023 to 2025 average from the Open-Meteo marine archive. A rainy day has at least 1 mm of rain. Reanalysis describes an area about 25 km across, so sheltered resorts can run a degree or two warmer. Flight time is a distance-based estimate from London Heathrow.
