Santo Isidoro Weather in December

Thinking of visiting Santo Isidoro in December? Expect moderate temperatures reaching 16°C (61°F) during the day, dropping to 12°C (54°F) at night, and note that quite a bit of rainfall is likely.

Rainfall in Santo Isidoro in December

Typically, you can expect about 14 days of rain this month, with 94 mm (3.7 in) on average. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Santo Isidoro in December

Expect highs of 16°C (61°F) in Santo Isidoro in December, with nights dropping to around 12°C (54°F). Conditions are often most pleasant around the middle of the day. With overnight lows of 12°C (54°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Santo Isidoro in December

The city usually sees around 162 hours of sunlight, indicating a moderately sunny period.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. June, July, August, September and October typically offer the best weather for Santo Isidoro.

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 Santo Isidoro's climate page.

Santo Isidoro Temperature in December

Min Temperature 12°C (54°F)  

Max Temperature 16°C (61°F)  

Chance of Rain 48%  

Precipitation 94 mm (3.7 in)  

Rainy days 14 days  

Humidity 81% *  

Sunshine 162 hours *  

Percentage Sunshine 55% *  

* Data from: Cascais, Portugal (32 KM, 20 Miles).

What to Wear in Santo Isidoro in December

Pleasant temperatures in December mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Santo Isidoro 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

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 Santo Isidoro's climate page.

More climate data for Santo Isidoro

Temperature Rainfall Sunshine Humidity

See the full Santo Isidoro climate overview or explore weather in Portugal.