Alvor Weather in December
December in Alvor brings moderate temperatures around 17°C (63°F) during the day, dropping to 11°C (52°F) at night, with the most rainfall of the year.
Rainfall in Alvor in December
This month is known for heavy rainfall, so don't forget your umbrella to stay dry. Climate statistics over the past 30 years suggest around 11 days of rain, with 83 mm (3.3 in) average for the month. 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 Alvor in December
December in Alvor sees highs of 17°C (63°F) and lows of 11°C (52°F) overnight. December is typically considered a winter month. Conditions are often most pleasant around the middle of the day. At 11°C (52°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.
Sunshine in Alvor in December
You can expect a moderate amount of sunlight, with approximately 169 hours. This means a pleasant mix of sun and overcast.December in Alvor has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
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 Alvor's climate page.
Alvor Temperature in December
Min Temperature
11°C (52°F)
Max Temperature
17°C (63°F)
Chance of Rain
38%
Precipitation
83 mm (3.3 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 Alvor 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 Alvor in December
Browse day-by-day weather records for Alvor spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Alvor historical weather extremes in December
Based on 49 years of weather observations in Alvor between 1976 and 2025, these are the recorded extremes.
- The warmest day in December was on December 12, 1976, with a maximum of 24°C (75°F).
- The coldest December day was on December 21, 1979, with a maximum of 9°C (48°F).
- Alvor registered its coldest December night on December 3, 1980, with temperatures dropping to 0°C (32°F).
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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unpleasant
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What to Wear in Alvor in December
For Alvor in December, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Alvor 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 Alvor's climate page.
See the full Alvor climate overview or explore weather in Portugal.
