Weather: Zanzibar Marathon

Historical weather data for race day in July. Use this to plan your race strategy, clothing, and hydration.

Racing conditions: Hot

28°C

Temperature

Range: 24°C – 32°C

78%

Humidity

High — increase hydration

65%

Rain Chance

Rain is likely — prepare gear

July

Typical race month

Usually on a Tuesday

Conditions

July is mid-winter in Zanzibar with warm tropical temperatures and occasional rainfall from the monsoon season. Humidity is high, creating challenging conditions for distance running despite moderate temperatures.

What to Wear

Light cap or visor

Shield from sun and heat

Sunscreen SPF 30+

28°C means sun exposure risk

Extra hydration plan

Increase fluid intake in heat

Hat with brim

Keep rain out of your eyes

Anti-chafe cream

Wet conditions increase chafing risk

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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