Weather: Reykjavik Marathon
Typical climate in August (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
11°C
Temperature
Range: 9°C – 14°C
82%
Humidity
High — increase hydration
37%
Rain Chance
Possible — check forecast
August
Typical race month
Usually on a Saturday
Conditions
Late August in Reykjavík averages a high of about 14°C and a low of about 9°C, with humidity around 82% and rain on about twelve days of the month.
What to Wear
Light gloves
Useful at the start, tuck away later
Long sleeve or arm warmers
Versatile for cool starts
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.
Get Your Training Plan
Free, personalized for this race
Get alerts for Reykjavik Marathon
Registration openings, date changes, sell-out warnings.