Weather: Snowdonia Marathon
Typical climate in October (an estimate, not measured race-day data). Use it to plan your race strategy, clothing, and hydration.
Typical climate for the race month — an estimate, not a forecast or a race-day record
10°C
Temperature
Range: 7°C – 13°C
78%
Humidity
High — increase hydration
61%
Rain Chance
Rain is likely — prepare gear
October
Typical race month
Usually on a Saturday
Conditions
October in the Snowdonia hills is cool and wet: average highs are around 13°C and lows around 7°C, with rain of 1 mm or more on about 19 days of the month (figures from the Capel Curig station, a few miles east of Llanberis).
What to Wear
Light gloves
Useful at the start, tuck away later
Long sleeve or arm warmers
Versatile for cool starts
Hat with brim
Keep rain out of your eyes
Anti-chafe cream
Wet conditions increase chafing risk
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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