Calheta Weather in December
December in Calheta averages 19°C (66°F) during the day and 16°C (61°F) at night. It is the wettest month of the year, with 101 mm (4 in) of rainfall on average, so waterproof gear is a must.
Rainfall in Calheta in December
This month is known for heavy rainfall, so don't forget your umbrella to stay dry. Expect around 12 days of rain based on historical data, with 101 mm (4 in) average. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in Calheta in December
Temperatures in Calheta in December top out at 19°C (66°F) and drop to 16°C (61°F) overnight. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. With lows of 16°C (61°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.
Sunshine in Calheta in December
The city usually sees around 152 hours of sunlight, indicating a moderately sunny period.December in Calheta 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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Portugal, check out our Calheta's climate page.
Calheta Temperature in December
Min Temperature
16°C (61°F)
Max Temperature
19°C (66°F)
Chance of Rain
41%
Precipitation
101 mm (4 in)
Rainy days
12 days
Humidity
70% *
Sunshine
152 hours *
Percentage Sunshine
49% *
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Calheta typically stay consistent throughout December, with daily highs averaging around 19°C (66°F). Nights are pleasant, with lows around 16°C (61°F).
Average temperatures in December
Daily Historical Precipitation
49-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Calheta in December
Browse day-by-day weather records for Calheta spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Calheta historical weather extremes in December
Based on 42 years of weather observations in Calheta between 1983 and 2025, these are the recorded extremes.
- The warmest day in December was on December 11, 2022, with a maximum of 25°C (77°F).
- The lowest daytime temperature in December was 14°C (57°F), recorded on December 28, 1985.
- Nighttime temperatures dropped to 11°C (52°F) on December 28, 1985, marking the coldest December night on record.
Best Places in Portugal in December
Find out more about the weather in Portugal and which places have the best travel conditions in this month. See all of Portugal in December →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Calheta in December
For Calheta 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. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Calheta in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Portugal, check out our Calheta's climate page.
Temperature Rainfall Sunshine Humidity
See the full Calheta climate overview or explore weather in Portugal.
