Castro Marim Weather in December

December in Castro Marim brings moderate temperatures, with daytime highs of 17°C (63°F) and nights around 10°C (50°F). It's also the wettest month of the year, so an umbrella is a must.

Rainfall in Castro Marim in December

With this being the rainiest month, having an umbrella is essential to avoid unexpected rain. On average, there are about 13 days with rain during this month, averaging 67 mm (2.6 in). Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.

Temperature in Castro Marim in December

Daytime temperatures in Castro Marim reach 17°C (63°F) in December, dropping to 10°C (50°F) at night. Winter occurs in December. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. At 10°C (50°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 Castro Marim in December

You can expect a moderate amount of sunlight, with approximately 158 hours. This means a pleasant mix of sun and overcast.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. March, April, May, June, September, October and November typically offer the best weather for Castro Marim.

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• January
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For a detailed overview over the year and the best time to visit Portugal, check out our Castro Marim's climate page.

Castro Marim Temperature in December

Min Temperature 10°C (50°F)  

Max Temperature 17°C (63°F)  

Chance of Rain 42%  

Precipitation 67 mm (2.6 in)  

Rainy days 13 days  

Humidity 77% *  

Sunshine 158 hours *  

Percentage Sunshine 53% *  

* Data from: Faro, Portugal (47 KM, 29 Miles).

What to Wear in Castro Marim in December

For Castro Marim 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. Rain is likely on several days, so bring a good rain jacket. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Castro Marim in December

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

Swimming

5/10

Cycling

6/10

Walking

6/10

Barbeque

6/10

Camping

8/10

Outdoor sports

10/10

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 Castro Marim's climate page.

More climate data for Castro Marim

Temperature Rainfall Sunshine Humidity

See the full Castro Marim climate overview or explore weather in Portugal.