Avg high
19°C
Avg low
12°C
Rainfall
73 mm
Rain days
7.5
Sunshine
8.6 h/day
Daylight
10.2 h
What to pack for Cape Town in May
- long sleeves and a warm layer
- a medium jacket
- a packable rain layer
Humidity averages 80%; max daily wind around 19 km/h.
How May compares
Best months in Cape Town: September–May. See the full best time to visit Cape Town guide.
Cape Town in May: the details
In May, Cape Town sees average daytime highs of 19°C (67°F) and overnight lows of 12°C (54°F). Rainfall totals roughly 73 mm across 7.5 rainy days, and the sun shines about 8.6 hours per day with 10.2 hours of daylight mid-month. Relative humidity averages 80%.
These figures are climate normals computed from the ERA5 weather reanalysis (2019–2024) for Cape Town, South Africa (-33.93, 18.42) — see our methodology. Actual conditions vary year to year.
Where should you go next month?
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