Castro Weather in December
In Castro, December brings pleasant daytime temperatures around 19°C (66°F), with nights cooling to 8°C (46°F). Expect quite a bit of rainfall this month.
Rainfall in Castro in December
This month experiences about 3 days of rain according to historical data, averaging 95 mm (3.7 in). Although rain is not especially frequent, individual showers can still be quite heavy.
Temperature in Castro in December
Expect highs of 19°C (66°F) in Castro in December, with nights dropping to around 8°C (46°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights drop to 8°C (46°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.Should you favor a climate that's both dry and comfortably warm, January and February typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Chile, check out our Castro's climate page.
Castro Temperature in December
Min Temperature
8°C (46°F)
Max Temperature
19°C (66°F)
Chance of Rain
9%
Precipitation
95 mm (3.7 in)
Rainy days
3 days
Humidity
75% *
Historical weather for Castro in December
Browse day-by-day weather records for Castro spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Castro historical weather extremes in December
Our historical data for Castro spans 2006 to 2025, revealing these weather extremes.
- The hottest December day on record in Castro reached 30°C (86°F) (December 1, 2008).
- Castro experienced its chilliest December day on December 16, 2023, reaching only 10°C (50°F).
- Nighttime temperatures dropped to 2°C (36°F) on December 3, 2023, marking the coldest December night on record.
- Peak precipitation in December occurred on December 15, 2023, when 38 mm (1.5 in) of precipitation was measured.
Best Places in Chile in December
Find out more about the weather in Chile and which places have the best travel conditions in this month. See all of Chile in December →
perfect weather
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tolerable
unpleasant
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What to Wear in Castro in December
Comfortable temperatures call for an easy wardrobe in December. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags.What To Do in Castro in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Chile, check out our Castro's climate page.
See the full Castro climate overview or explore weather in Chile.
