Weather: Honolulu Half Marathon

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

Racing conditions: Hot

24°C

Temperature

Range: 22°C – 27°C

72%

Humidity

Moderate

25%

Rain Chance

Low chance of rain

April

Typical race month

Usually on a Sunday

Conditions

Warm tropical conditions with gentle trade winds, occasional brief showers possible but generally dry. Sunny with high UV intensity.

What to Wear

Light cap or visor

Shield from sun and heat

Sunscreen SPF 30+

24°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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