Valongo Weather in December

December in Valongo brings moderate temperatures around 15°C (59°F) during the day, dropping to 8°C (46°F) at night, with the most rainfall of the year.

Rainfall in Valongo in December

Expect frequent, heavy rain this month, marking the peak rainfall period. A poncho will help protect you from getting soaked. Historically, approximately 16 days this month are expected to have rain, averaging 173 mm (6.8 in). Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.

Temperature in Valongo in December

December in Valongo brings moderate temperatures, with highs of 15°C (59°F) and nights around 8°C (46°F). December is in the winter season. Conditions are often most pleasant around the middle of the day. Nights fall to 8°C (46°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 Valongo in December

The month brings about 124 hours of sunlight, offering a comfortable mix of sun and overcast.

Wind Speed in Valongo in December

Average wind conditions reach 5 m/s (10 knots) in December. This creates lively weather with fresh winds that make small trees sway noticeably. Remember this is an average: some days are less windy while others have particularly active windy conditions.

Average water temperature in December

At 14°C (57°F), the water is cool but manageable for those who don't mind a bit of a shock getting in. Most people adjust after a few minutes.

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 Valongo.

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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 Valongo's climate page.

Valongo Temperature in December

Min Temperature 8°C (46°F)  

Max Temperature 15°C (59°F)  

Water Temperature 14°C (57°F) *  

Chance of Rain 53%  

Precipitation 173 mm (6.8 in)  

Rainy days 16 days  

Humidity 81% *  

Windspeed 5 m/s (10 knots) *  

Sunshine 124 hours *  

Percentage Sunshine 46% *  

* Data from: Porto, Portugal (16 KM, 10 Miles).

What to Wear in Valongo in December

Pack for changing conditions in Valongo 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! Expect water temperatures of around 14°C (57°F), which is definitely too cold for comfortable swimming. Your luggage space is better used for other items. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Valongo in December

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

Swimming

5/10

Cycling

5/10

Walking

5/10

Camping

3/10

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 Valongo's climate page.

More climate data for Valongo

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Valongo climate overview or explore weather in Portugal.