Weather: Prague 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
16°C
Temperature
Range: 11°C – 21°C
59%
Humidity
Moderate
35%
Rain Chance
Possible — check forecast
May
Typical race month
Usually on a Sunday
Conditions
In May, Prague averages a high of about 21°C and a low of about 11°C, with around 58 mm of rain over the month and relative humidity near 59%. The marathon starts at 08:00.
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 Prague Marathon
Registration openings, date changes, sell-out warnings.