Arcos Weather in December
With daytime temperatures of 15°C (59°F) and nighttime lows of 8°C (46°F), December in Arcos brings moderate temperatures during the day. Do keep in mind that December is part of the rainy season, with frequent and often heavy rainfall.
Rainfall in Arcos in December
As part of the rainy season, Arcos sees around 16 days of rain in December, with an average of 183 mm (7.2 in). The rainy season here brings regular, substantial showers. It's worth being prepared for rain on most days you're out.
Temperature in Arcos in December
Expect highs of 15°C (59°F) in Arcos in December, with nights dropping to around 8°C (46°F). December is known for being in the winter season. Even when the weather is stable, mornings and evenings can still feel distinctly cool. At 8°C (46°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.
Sunshine in Arcos in December
The area enjoys a moderate level of sunlight, with around 124 hours. It's a good balance between sunny and rainy days.
Wind Speed in Arcos in December
Wind speeds average 5 m/s (10 knots) during December. At this speed, gentle to moderate breezes make small trees sway and the wind creates whitecaps on water bodies. Daily variations range from moderate winds to stronger breezes, creating excellent conditions for sailing, kite flying and wind sports.
Average water temperature in December
With water at 14°C (57°F), it's on the cooler side. Keen swimmers won't be put off, but those who prefer warm water may find it less enjoyable.December in Arcos has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options 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 Arcos's climate page.
Arcos Temperature in December
Min Temperature
8°C (46°F)
Max Temperature
15°C (59°F)
Water Temperature
14°C (57°F) *
Chance of Rain
54%
Precipitation
183 mm (7.2 in)
Rainy days
16 days
Humidity
81% *
Windspeed
5 m/s (10 knots) *
Sunshine
124 hours *
Percentage Sunshine
46% *
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 Arcos in December
The weather can be unpredictable in December, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. Also bring a poncho, it will rain a lot! Waterproof everything you can. With water temperatures around 14°C (57°F), the water is quite cold for swimming. You can skip the swimwear unless you're particularly tough. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Arcos 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 Arcos's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Arcos climate overview or explore weather in Portugal.
