Porto Formoso Weather in December

December in Porto Formoso averages 18°C (64°F) during the day and 14°C (57°F) at night. It is the wettest month of the year, with 133 mm (5.2 in) of rainfall on average, so waterproof gear is a must.

Rainfall in Porto Formoso in December

Since this month has the highest rainfall, keep an umbrella with you to handle sudden showers. Climate statistics over the past 30 years suggest around 20 days of rain, with 133 mm (5.2 in) average 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 Porto Formoso in December

Porto Formoso in December gets highs of 18°C (64°F) during the day and drops to 14°C (57°F) at night. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights cool down to 14°C (57°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Porto Formoso in December

This month is characterized by fewer sunny days, with about 94 hours of sunshine. It's great for those who appreciate cooler, less sunny days.

Average water temperature in December

At 19°C (66°F), the water is getting there — comfortable enough for most swimmers, though those used to warmer seas may still find it a touch cool.

December in Porto Formoso 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.

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

Porto Formoso Temperature in December

Min Temperature 14°C (57°F)  

Max Temperature 18°C (64°F)  

Water Temperature 19°C (66°F) *  

Chance of Rain 67%  

Precipitation 133 mm (5.2 in)  

Rainy days 20 days  

Humidity 83% *  

Sunshine 94 hours *  

Percentage Sunshine *  

* Data from: Ponta Delgada, Portugal (22 KM, 14 Miles).

What to Wear in Porto Formoso in December

For Porto Formoso 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. With water temperatures around 19°C (66°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. With limited sunshine expected, sunglasses aren't a priority for packing.

What To Do in Porto Formoso in December

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

Swimming

4/10

Cycling

9/10

Walking

9/10

Camping

6/10

Outdoor sports

9/10

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 Portugal, check out our Porto Formoso's climate page.

More climate data for Porto Formoso

Temperature Rainfall Sunshine Humidity Water Temp

See the full Porto Formoso climate overview or explore weather in Portugal.