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Santiago Weather in December

December in Santiago averages 32°C (90°F) during the day and 23°C (73°F) at night. Quite a bit of rainfall is typical this month, with around 129 mm (5.1 in) on average. An umbrella is a good idea.

Rainfall in Santiago in December

Past climate data indicates that roughly 17 days will see rain, totalling around 129 mm (5.1 in) for the month. This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.

Temperature in Santiago in December

Temperatures in Santiago in December top out at 32°C (90°F) and drop to 23°C (73°F) overnight. The hottest part of the day is usually in the afternoon, so lighter clothing can help you stay comfortable. Nights are mild at around 23°C (73°F), which is comfortable for most people.

If you prefer enjoying temperate temperatures and rain-free days, January typically offers the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

Santiago Temperature in December

Min Temperature
23°C (73°F)
Max Temperature
32°C (90°F)
Chance of Rain
57%
Precipitation
129 mm (5.1 in)
Rainy days
17 days

Santiago Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Santiago - and find the best time to visit.

Best Places in Panama in December

Find out more about the weather in Panama and which places have the best travel conditions in this month. See all of Panama in December →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Santiago in December

Warm weather calls for comfortable, breathable clothing in December. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho.

What To Do in Santiago in December

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Cycling
    7/10
  • Walking
    7/10
  • Camping
    6/10
  • Outdoor sports
    7/10

Santiago 3-Day Forecast

More climate data for Santiago

Popular in December

Where to go in December - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.