Portimão Weather in December
With daytime temperatures of 17°C (63°F) and nighttime lows of 11°C (52°F), December in Portimão brings moderate temperatures during the day. It is also the wettest month of the year, so pack an umbrella.
Rainfall in Portimão in December
As the month with the highest rainfall, make sure to have an umbrella to manage the showers. Analyzing past climate data, one can expect approximately 11 days of rain, averaging 82 mm (3.2 in). When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.
Temperature in Portimão in December
December in Portimão brings moderate temperatures, with highs of 17°C (63°F) and nights around 11°C (52°F). December is typically considered a winter month. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. With overnight lows of 11°C (52°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.
Sunshine in Portimão in December
The area enjoys a moderate level of sunlight, with around 169 hours. It's a good balance between sunny and cloudy days.Our weather planner can help you find worldwide destinations with pleasant weather during this period. April, May, June, July, August, September and October typically offer the best weather for Portimão.
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 Portimão's climate page.
Portimão Temperature in December
Min Temperature
11°C (52°F)
Max Temperature
17°C (63°F)
Chance of Rain
38%
Precipitation
82 mm (3.2 in)
Rainy days
11 days
Sunshine
169 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Portimão typically stay consistent throughout December, with daily highs averaging around 17°C (63°F). Nights are cool, with lows around 10°C (50°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 Portimão in December
Browse day-by-day weather records for Portimão spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Portimão historical weather extremes in December
Our historical data for Portimão spans 1976 to 2025, revealing these weather extremes.
- On December 12, 1976, temperatures climbed to 24°C (75°F), marking the warmest December day on record.
- The coldest December day was on December 21, 1979, with a maximum of 9°C (48°F).
- Nighttime temperatures dropped to 0°C (32°F) on December 3, 1980, 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 →
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What to Wear in Portimão 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. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Portimão 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 Portimão's climate page.
See the full Portimão climate overview or explore weather in Portugal.
