Weather: California International Marathon
Historical weather data for race day in December. Use this to plan your race strategy, clothing, and hydration.
🌡️
10°C
Temperature
Range: 5°C – 15°C
💧
65%
Humidity
Moderate
🌧️
35%
Rain Chance
Possible — check forecast
📅
December
Typical race month
Usually on a Sunday
📝 Conditions
Cool morning temperatures with mild afternoon conditions. Occasional rain is possible during December in Sacramento, but the course is generally dry.
👟 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.
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