Aia Weather in December

December in Aia averages 13°C (55°F) during the day and 7°C (45°F) at night. Quite a bit of rainfall is typical this month, with around 139 mm (5.5 in) on average. An umbrella is a good idea.

Rainfall in Aia in December

Typically around 18 days of rainfall are expected, averaging 139 mm (5.5 in) for the month. This is a wet month with frequent and often heavy showers. Both the number of rain days and the total rainfall are high.

Temperature in Aia in December

If you're visiting Aia in December, expect highs of 13°C (55°F) and overnight lows around 7°C (45°F). December is part of winter. Conditions are often most pleasant around the middle of the day. Nights fall to 7°C (45°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

Sunshine in Aia in December

With limited sunshine this month, there are about 80 hours of sun. It's ideal for those who prefer a cooler, cloudier climate.

December in Aia 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.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Spain, check out our Aia's climate page.

Aia Temperature in December

Min Temperature 7°C (45°F)  

Max Temperature 13°C (55°F)  

Chance of Rain 59%  

Precipitation 139 mm (5.5 in)  

Rainy days 18 days  

Humidity 75% *  

Sunshine 80 hours *  

Percentage Sunshine *  

* Data from: San Sebastián, Spain (16 KM, 9 Miles).

What to Wear in Aia 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. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. With limited sunshine expected, sunglasses aren't a priority for packing.

What To Do in Aia in December

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

4/10

Cycling

5/10

Walking

5/10

Camping

3/10

Outdoor sports

5/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Spain, check out our Aia's climate page.

More climate data for Aia

Temperature Rainfall Sunshine Humidity

See the full Aia climate overview or explore weather in Spain.