Weather: Costa Rica Marathon
Historical weather data for race day in December. Use this to plan your race strategy, clothing, and hydration.
22°C
Temperature
Range: 18°C – 26°C
65%
Humidity
Moderate
15%
Rain Chance
Low chance of rain
December
Typical race month
Usually on a Tuesday
Conditions
December offers excellent running conditions with cool mountain air in the morning, warming into comfortable mid-20s by afternoon. Low humidity and minimal rainfall make it one of Costa Rica's best months for marathoning.
What to Wear
Light cap or visor
Shield from sun and heat
Sunscreen SPF 30+
22°C means sun exposure risk
Extra hydration plan
Increase fluid intake in heat
Hydration Strategy
Before the Race
Hydrate aggressively in the 24 hours before. Aim for clear urine the morning of the race.
During the Race
Take water at every aid station. Consider sports drink for electrolytes. Don't wait until you're thirsty.
After the Race
Rehydrate within 30 minutes of finishing. A drink with electrolytes and some protein helps recovery.
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