Valparaíso Weather in December
December in Valparaíso averages 19°C (66°F) during the day and 14°C (57°F) at night. With only 4 mm (0.2 in) of rainfall expected on average, it's a largely dry month.
Rainfall in Valparaíso in December
Historically, the month has about 2 days of rain, averaging 4 mm (0.2 in) in total. If rain does fall, it tends to be very light and barely worth getting out an umbrella for.
Temperature in Valparaíso in December
If you're visiting Valparaíso in December, expect perfect temperatures with highs of 19°C (66°F) and overnight lows of 14°C (57°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. Nights cool down to 14°C (57°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.
Sunshine in Valparaíso in December
Expect sunny days throughout the month, with an estimated 265 hours of sunshine. This makes it a pleasant time to visit Valparaíso.If you favor pleasant temperatures and minimal rainfall, December is one of the best months to visit Valparaíso.
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 Valparaíso's climate page.
Valparaíso Temperature in December
Min Temperature
14°C (57°F)
Max Temperature
19°C (66°F)
Chance of Rain
5%
Precipitation
4 mm (0.2 in)
Rainy days
2 days
Humidity
70%
Sunshine
265 hours
Percentage Sunshine
Daily Historical Temperatures
47-year average (1976-2025)
Based on our historical records, temperatures in Valparaíso typically stay consistent throughout December, with daily highs averaging around 19°C (66°F). Nights are cool, with lows typically ranging from 12°C (54°F) to 14°C (57°F).
Average temperatures in December
Daily Historical Precipitation
47-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Valparaíso in December
Browse day-by-day weather records for Valparaíso spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Valparaíso historical weather extremes in December
Based on 24 years of weather observations (2001-2025), these are the most extreme conditions recorded in Valparaíso.
- The hottest December day on record in Valparaíso reached 34°C (93°F) (December 13, 2020).
- The lowest daytime temperature in December was 15°C (59°F), recorded on December 4, 2014.
- Nighttime temperatures dropped to 6°C (43°F) on December 12, 2020, marking the coldest December night on record.
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
pleasant
tolerable
unpleasant
poor
What to Wear in Valparaíso 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. Dry conditions mean you won't need to worry about rain protection. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Valparaíso 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 Valparaíso's climate page.
Temperature Rainfall Sunshine Humidity
See the full Valparaíso climate overview or explore weather in Chile.
