Weather: Sydney Half Marathon

Typical climate in May (an estimate, not measured race-day data). Use it to plan your race strategy, clothing, and hydration.

Racing conditions: Warm

Typical climate for the race month — an estimate, not a forecast or a race-day record

17°C

Temperature

Range: 12°C – 21°C

65%

Humidity

Moderate

25%

Rain Chance

Low chance of rain

May

Typical race month

Usually on a Sunday

Conditions

Early May is early autumn in Sydney: average highs are around 21 °C and lows around 12 °C, with rain on about eight days of the month.

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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