December weather forecast and climate
Funchal, Portugal

The first month of the winter, December, is still a comfortable month in Funchal, Portugal, with average temperature fluctuating between 17.5°C (63.5°F) and 18.7°C (65.7°F).

Temperature

In Funchal, the average high-temperature in December is essentially the same as in November - a comfortable 18.7°C (65.7°F). In Funchal, the average low-temperature is 17.5°C (63.5°F).

Humidity

In December, the average relative humidity in Funchal, Portugal, is 74%.

Rainfall

In Funchal, in December, during 13.4 rainfall days, 27mm (1.06") of precipitation is typically accumulated. Throughout the year, there are 116.4 rainfall days, and 232mm (9.13") of precipitation is accumulated.

Sea temperature

In December, the average sea temperature in Funchal is 19.9°C (67.8°F).
Note: For most, swimming in 19.9°C (67.8°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

Daylight

The month with the shortest days is December, with an average of 10h of daylight.

Sunshine

January and December, with an average of 7.6h of sunshine, are months with the least sunshine in Funchal.

UV index

Months with the lowest UV index are January through June, November and December, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 5 in December transform into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in December in Funchal?

The average high-temperature, in December, in Funchal, is 18.7°C (65.7°F), while the average low-temperature is 17.5°C (63.5°F).

What is the average humidity in December in Funchal?

The average relative humidity in December in Funchal is 74%.

How many days does it rain in December in Funchal?

In Funchal, Portugal, in December, it is raining for 13.4 days, with typically 27mm (1.06") of accumulated precipitation.

What is the sea water temperature in December in Funchal?

In December, the average sea temperature in Funchal is 19.9°C (67.8°F). Swimming in 19.9°C (67.8°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

What is the month with the shortest days in Funchal?

With an average of 10h of daylight, December has the shortest days of the year in Funchal, Portugal.

What is the average length of the day in December in Funchal?

In Funchal, Portugal, the average length of the day in December is 10h.

What is the month with the least sunshine in Funchal?

January and December, with an average of 7.6h of sunshine, are months with the least sunshine.

How many hours of sunshine does Funchal have in December?

In Funchal, Portugal, the average sunshine in December is 7.6h.

When is the lowest UV index in Funchal?

Months with the lowest UV index in Funchal, Portugal, are January through June, November and December, with an average maximum UV index of 5.

What is the UV index reading in December in Funchal?

In December, the average daily maximum UV index in Funchal is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from unsafe exposure to the Sun's UV rays.
Average temperature in December - Funchal, Portugal
  • Average high temperature in December: 18.7°C

The warmest month (with the highest average high temperature) is August (23°C).
Months with the lowest average high temperature are February and March (16.9°C).

  • Average low temperature in December: 17.5°C

The month with the highest average low temperature is September (21.7°C).
The coldest month (with the lowest average low temperature) is March (15.1°C).

Average humidity in December - Funchal, Portugal
  • Average humidity in December: 74%

Months with the highest relative humidity are June and August (80%).
The month with the lowest relative humidity is February (73%).

Average rainfall in December - Funchal, Portugal
  • Average rainfall in December: 27mm

The wettest month (with the highest rainfall) is October (44mm).
The driest month (with the least rainfall) is August (3mm).

Average rainfall days in December - Funchal, Portugal
  • Average rainfall days in December: 13.4 days

The month with the highest number of rainy days is November (16 days).
The month with the least rainy days is August (3.9 days).

Average sea temperature in December - Funchal, Portugal
  • Average sea temperature in December: 19.9°C

The best month for swimming (with the highest average sea temperature) is September (23.8°C).
The coldest month (with the lowest average sea temperature) is March (17.8°C).

Average daylight in December / Average sunshine in December - Funchal, Portugal
  • Average daylight in December: 10h

The month with the longest days is June (Average daylight: 14.3h).
The month with the shortest days is December (Average daylight: 10h).

  • Average sunshine in December: 7.6h

The month with the most sunshine is June (Average sunshine: 9.2h).
Months with the least sunshine are January and December (Average sunshine: 7.6).

Average UV index in December - Funchal, Portugal
  • Average UV index in December: 5

Months with the highest UV index are July, August, September and October (UV index 6).
Months with the lowest UV index are January, February, March, April, May, June, November and December (UV index 5).