Aveiro Weather in December
December in Aveiro brings moderate temperatures, with highs of 15°C (59°F) and nights dropping to 8°C (46°F). Rainfall is on the higher side this month, averaging around 145 mm (5.7 in), so keep a rain jacket handy.
Rainfall in Aveiro in December
The climate data from previous years indicates about 15 days of rain, averaging 145 mm (5.7 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 Aveiro in December
Temperatures in Aveiro in December top out at 15°C (59°F) and drop to 8°C (46°F) overnight. Winter occurs in December. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With overnight lows of 8°C (46°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.
Sunshine in Aveiro in December
The city usually sees around 138 hours of sunlight, indicating a moderately sunny period.If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Aveiro. 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 Aveiro's climate page.
Aveiro Temperature in December
Min Temperature
8°C (46°F)
Max Temperature
15°C (59°F)
Chance of Rain
50%
Precipitation
145 mm (5.7 in)
Rainy days
15 days
Humidity
78% *
Sunshine
138 hours *
Percentage Sunshine
*
Daily Historical Temperatures
49-year average (1976-2024)
Based on our historical records, temperatures in Aveiro typically stay consistent throughout December, with daily highs averaging around 15°C (59°F). Nights are cold, with lows around 7°C (45°F).
Average temperatures in December
Daily Historical Precipitation
49-year average (1976-2024)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Aveiro in December
Browse day-by-day weather records for Aveiro spanning 50 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Aveiro historical weather extremes in December
According to our 48 years of weather records for Aveiro, the following extremes were recorded between 1976 and 2024.
- On December 2, 1985, temperatures climbed to 24°C (75°F), marking the warmest December day on record.
- The coldest December day was on December 1, 2008, with a maximum of 6°C (43°F).
- The coldest night in December in Aveiro was on December 19, 2023, with a minimum of -2°C (28°F).
- Peak precipitation in December occurred on December 20, 2019, when 70 mm (2.8 in) of precipitation was measured.
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
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tolerable
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What to Wear in Aveiro in December
Pack for changing conditions in Aveiro in December. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Prepare for significant rainfall with proper waterproof clothing and shoes. Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in Aveiro 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 Aveiro's climate page.
Temperature Rainfall Sunshine Humidity
See the full Aveiro climate overview or explore weather in Portugal.
