Vila Nova de Gaia Weather in December
Vila Nova de Gaia in December sees moderate temperatures, with highs around 15°C (59°F) and overnight lows of 9°C (48°F). Rainfall is at its peak this month, around 165 mm (6.5 in) on average, so waterproofs are essential.
Rainfall in Vila Nova de Gaia in December
Expect frequent, heavy rain this month, marking the peak rainfall period. A poncho will help protect you from getting soaked. You can typically expect 16 days of rain this month, averaging around 165 mm (6.5 in). This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.
Temperature in Vila Nova de Gaia in December
Temperatures in Vila Nova de Gaia in December top out at 15°C (59°F) and drop to 9°C (48°F) overnight. December is part of winter. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights drop to 9°C (48°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.
Sunshine in Vila Nova de Gaia in December
You can expect a moderate amount of sunlight, with approximately 124 hours. This means a pleasant mix of sun and overcast.
Wind Speed in Vila Nova de Gaia in December
December has wind speeds averaging 5 m/s (10 knots). You can expect gentle to moderate winds that move small trees and make flags wave steadily on typical days. Conditions typically range from light breezes to moderate winds.
Average water temperature in December
The water is 14°C (57°F) this month — cool enough to feel refreshing on a warm day, but cold enough that most people won't stay in for long without a wetsuit.Our weather planner can help you find worldwide destinations with pleasant weather during this period. June, July, August and September typically offer the best weather for Vila Nova de Gaia.
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 Vila Nova de Gaia's climate page.
Vila Nova de Gaia Temperature in December
Min Temperature
9°C (48°F)
Max Temperature
15°C (59°F)
Water Temperature
14°C (57°F) *
Chance of Rain
52%
Precipitation
165 mm (6.5 in)
Rainy days
16 days
Humidity
81% *
Windspeed
5 m/s (10 knots) *
Sunshine
124 hours *
Percentage Sunshine
46% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Vila Nova de Gaia typically stay consistent throughout December, with daily highs averaging around 15°C (59°F). Nights are cold, with lows around 8°C (46°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 Vila Nova de Gaia in December
Browse day-by-day weather records for Vila Nova de Gaia spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Vila Nova de Gaia historical weather extremes in December
According to our 49 years of weather records for Vila Nova de Gaia, the following extremes were recorded between 1976 and 2025.
- On December 2, 1985, temperatures climbed to 24°C (75°F), marking the warmest December day on record.
- On December 27, 2008, Vila Nova de Gaia saw its coldest December day with temperatures maxing out at 8°C (46°F).
- Nighttime temperatures dropped to -1°C (30°F) on December 25, 1994, marking the coldest December night on record.
- The wettest day in December Vila Nova de Gaia was on December 14, 2012 with 76 mm (3 in) of precipitation.
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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What to Wear in Vila Nova de Gaia in December
Pack for changing conditions in Vila Nova de Gaia 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. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! The water temperature sits at about 14°C (57°F), which is too chilly for most people to enjoy swimming. Leave the swimsuit at home unless you love cold water. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Vila Nova de Gaia 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 Vila Nova de Gaia's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Vila Nova de Gaia climate overview or explore weather in Portugal.
