Estoril Weather in December
Estoril in December sees moderate temperatures, with highs around 16°C (61°F) and overnight lows of 12°C (54°F). Rainfall is fairly high at around 90 mm (3.5 in) on average, so pack waterproofs just in case.
Rainfall in Estoril in December
Analyzing past climate data, one can expect approximately 14 days of rain, averaging 90 mm (3.5 in). A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.
Temperature in Estoril in December
Expect highs of 16°C (61°F) in Estoril in December, with nights dropping to around 12°C (54°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights cool down to 12°C (54°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 Estoril in December
The month experiences a moderate amount of sunlight, with 162 hours of sunshine. This provides a nice balance between sunshine and clouds.If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Estoril. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Portugal, check out our Estoril's climate page.
Estoril Temperature in December
Min Temperature
12°C (54°F)
Max Temperature
16°C (61°F)
Chance of Rain
47%
Precipitation
90 mm (3.5 in)
Rainy days
14 days
Humidity
81% *
Sunshine
162 hours *
Percentage Sunshine
55% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Estoril typically stay consistent throughout December, with daily highs averaging around 16°C (61°F). Nights are cool, with lows around 9°C (48°F).
Average temperatures in December
Daily Historical Precipitation
50-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 Estoril in December
Browse day-by-day weather records for Estoril spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Estoril historical weather extremes in December
Our historical data for Estoril spans 1976 to 2025, revealing these weather extremes.
- The warmest day in December was on December 2, 1985, with a maximum of 23°C (73°F).
- On December 20, 2009, Estoril saw its coldest December day with temperatures maxing out at 8°C (46°F).
- Nighttime temperatures dropped to -1°C (30°F) on December 5, 1998, marking the coldest December night on record.
Best Places in Portugal in December
Find out more about the weather in Portugal and which places have the best travel conditions in this month. See all of Portugal in December →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Estoril 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. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Estoril 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 Portugal, check out our Estoril's climate page.
Temperature Rainfall Sunshine Humidity
See the full Estoril climate overview or explore weather in Portugal.
