Weather: Cape Town Marathon
Typical climate in May (an estimate, not measured race-day data). Use it to plan your race strategy, clothing, and hydration.
Typical climate for the race month — an estimate, not a forecast or a race-day record
15°C
Temperature
Range: 10°C – 21°C
81%
Humidity
High — increase hydration
24%
Rain Chance
Low chance of rain
May
Typical race month
Usually on a Sunday
Conditions
Late May in Cape Town is mild and often wet: highs average about 21°C and lows about 10°C, with humidity around 81% and rain on around seven days of the month.
What to Wear
Singlet or short sleeve
Ideal racing temperatures
Hydration Strategy
Before the Race
Normal hydration. Drink to thirst in the 24 hours before. Avoid over-hydrating.
During the Race
Drink at aid stations every 3-4km. Alternate water and sports drink.
After the Race
Rehydrate within 30 minutes of finishing. A drink with electrolytes and some protein helps recovery.
Get Your Training Plan
Free, personalized for this race
Get alerts for Cape Town Marathon
Registration openings, date changes, sell-out warnings.