Weather: Rotterdam Marathon
Typical climate in April (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
10°C
Temperature
Range: 5°C – 14°C
78%
Humidity
High — increase hydration
30%
Rain Chance
Possible — check forecast
April
Typical race month
Usually on a Sunday
Conditions
In April, Rotterdam averages a high of about 14°C and a low of about 5°C, with rain of 1 mm or more on around 9 days of the month and relative humidity near 78%.
What to Wear
Light gloves
Useful at the start, tuck away later
Long sleeve or arm warmers
Versatile for cool starts
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.
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