Calhetas Weather in December

December in Calhetas averages 18°C (64°F) during the day and 15°C (59°F) at night. It is the wettest month of the year, with 140 mm (5.5 in) of rainfall on average, so waterproof gear is a must.

Rainfall in Calhetas in December

Being the wettest month, having an umbrella on standby can help you avoid getting caught in the rain. Records from the past 30 years suggest around 20 days of rain, with 140 mm (5.5 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 Calhetas in December

December in Calhetas brings typical temperatures with highs around 18°C (64°F) and lows of 15°C (59°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. At 15°C (59°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 Calhetas in December

With limited sunshine this month, there are about 94 hours of sun. It's ideal for those who prefer a cooler, cloudier climate.

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.

For Calhetas itself, June, July, August, September and November generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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

Calhetas Temperature in December

Min Temperature 15°C (59°F)  

Max Temperature 18°C (64°F)  

Water Temperature 19°C (66°F) *  

Chance of Rain 68%  

Precipitation 140 mm (5.5 in)  

Rainy days 20 days  

Humidity 83% *  

Sunshine 94 hours *  

Percentage Sunshine *  

* Data from: Ponta Delgada, Portugal (9 KM, 6 Miles).

What to Wear in Calhetas in December

Comfortable temperatures call for an easy wardrobe in December. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. With water temperatures around 19°C (66°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. You can probably leave your sunglasses at home, because sunny days are pretty rare this month.

What To Do in Calhetas 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 Calhetas's climate page.

More climate data for Calhetas

Temperature Rainfall Sunshine Humidity Water Temp

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