Weather: California International Marathon
Typical climate in December (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
8°C
Temperature
Range: 4°C – 13°C
83%
Humidity
High — increase hydration
31%
Rain Chance
Possible — check forecast
December
Typical race month
Usually on a Sunday
Conditions
Early December in Sacramento is cool and often damp: average highs are around 13°C and lows around 4°C, with measurable rain on about ten days in 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
You'll sweat less in the cold but still need fluids. Take small sips at aid stations.
After the Race
Rehydrate within 30 minutes of finishing. A drink with electrolytes and some protein helps recovery.
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