Weather: San Diego Half Marathon

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

Racing conditions: Ideal

16°C

Temperature

Range: 12°C – 20°C

65%

Humidity

Moderate

15%

Rain Chance

Low chance of rain

April

Typical race month

Usually on a Sunday

Conditions

March in San Diego offers mild, pleasant conditions with cool mornings and comfortable temperatures for racing. Light winds from the coast are typical with minimal rainfall expected.

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.

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