Ironman 70.3 Nice — Weather Guide

Historical weather data for race day in 6月. Use this to plan your race strategy across all three disciplines.

21°C

Air Temp

14°–25°C

13°C

Water Temp

ocean

46%

Humidity

35%

Rain Chance

12 km/h

Wind

6月

Race Month

Saturday

Typical race-day conditions: 21°C with 46% humidity.

🏊 Swim Conditions

Water Temperature

13°C

Very cold water — expect shock on entry. Practice cold water acclimation.

Wetsuit Strategy

allowed

Wetsuits are allowed and recommended given water temperature.

Water Conditions

ocean — calm

Ocean swim — expect some chop, possible currents. Practice sighting in open water and surf entries/exits.

🚴 Bike Conditions

Wind Impact

12 km/h

Light winds — standard conditions. Maintain steady effort.

Temperature on the Bike

21°C (46% humidity)

Comfortable for riding. Standard hydration plan.

Bike Course Profile

hilly · ↑1100m

Rolling terrain with notable climbs. Shift down early on hills to save legs for the run.

🏃 Run Conditions

Heat & Humidity Impact

Good running conditions (21°C). Standard pacing strategy. Drink to thirst.

Run Course Terrain

road surface, rolling profile with ↑185m of elevation gain.

💧 Hydration & Nutrition Strategy

Before the Race

Normal hydration. Drink to thirst in the 24–48 hours before. Avoid over-hydrating.

On the Bike

Aim for 500–750ml per hour. Start fueling early — 60–90g carbs/hour from gels, bars, and sports drink.

On the Run

Drink at aid stations every 2–3km. Continue 30–60g carbs/hour. Your gut may be sensitive after the bike — use what you practiced in training.

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