December weather forecast
Peniche, Portugal

December

Weather in December

The first month of the winter, December, is also a moderate month in Peniche, Portugal, with temperature in the range of an average high of 14.9°C (58.8°F) and an average low of 9.8°C (49.6°F).

Temperature

Peniche's December reports an average high-temperature of a moderate 14.9°C (58.8°F), exhibiting a minor difference from November. In December, Peniche encounters an average low-temperature of 9.8°C (49.6°F) during the night.

Humidity

In Peniche, the average relative humidity in December is 77%.

Rainfall

In December, the rain falls for 9.2 days. Throughout December, 19mm (0.75") of precipitation is accumulated. Throughout the year, in Peniche, there are 101.5 rainfall days, and 168mm (6.61") of precipitation is accumulated.

Sea temperature

In December, the average sea temperature is 16.3°C (61.3°F).
Note: A majority do not enjoy swimming in water at 16.3°C (61.3°F). The difficulty in controlling breathing increases progressively as the temperature dips below 21°C (69.8°F).

Daylight

The month with the shortest days is December, with an average of 9h and 30min of daylight.
On the first day of December in Peniche, sunrise is at 07:38 and sunset at 17:14. On the last day of the month, sunrise is at 07:57 and sunset at 17:24 WET.

Sunshine

In Peniche, the average sunshine in December is 5.7h.

UV index

In December, the average daily maximum UV index in Peniche is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.
Note: The UV index of 4 in December translates into these instructions:
Prioritize safety - Suggestions to prevent sun damage are offered. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.

Frequently asked questions

What are December temperatures in Peniche?
In December, the average high-temperature and low-temperature in Peniche, Portugal, are 14.9°C (58.8°F) and 9.8°C (49.6°F) respectively.
What is the average humidity in December in Peniche?
In Peniche, Portugal, the average relative humidity in December is 77%.
How many days does it rain in December in Peniche?
In December, the rain falls for 9.2 days. Throughout December, 19mm (0.75") of precipitation is accumulated.
What is the sea temperature in December in Peniche?
In December, the average sea temperature in Peniche, Portugal, is 16.3°C (61.3°F). For most, swimming in 16.3°C (61.3°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).
What is the month with the shortest days in Peniche?
With an average of 9h and 30min of daylight, December has the shortest days of the year.
What is the average length of the day in December in Peniche?
In Peniche, the average day length in December is 9h and 27min.
When is the sunrise / sunset in December in Peniche?
In December, on the first day of the month, sunrise is at 07:38 and sunset at 17:14. On the last day of the month, in Peniche, Portugal, sunrise is at 07:57 and sunset at 17:24 WET.
How many hours of sunshine does Peniche have in December?
In December, the average sunshine duration in Peniche is 5.7h.
What is the UV index intensity in December in Peniche?
In December, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sea temperature
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December - Peniche, Portugal
Average temperature in December
Peniche, Portugal
  • Average high temperature in December: 14.9°C

The warmest month (with the highest average high temperature) is August (25.6°C).
The month with the lowest average high temperature is January (14°C).

  • Average low temperature in December: 9.8°C

The month with the highest average low temperature is August (17°C).
The coldest month (with the lowest average low temperature) is February (8.8°C).

Average pressure in December - Peniche, Portugal
Average pressure in December
Peniche, Portugal
  • Average pressure in December: 1022.5mbar

The month with the highest atmospheric pressure is December (1022.5mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).

Average wind speed in December - Peniche, Portugal
Average wind speed in December
Peniche, Portugal
  • Average wind speed in December: 15.9km/h

The windiest month (with the highest average wind speed) is February (17.7km/h).
The calmest month (with the lowest average wind speed) is September (13.5km/h).

Average humidity in December - Peniche, Portugal
Average humidity in December
Peniche, Portugal
  • Average humidity in December: 77%

The month with the highest relative humidity is January (79%).
The months with the lowest relative humidity are September and October (72%).

Average rainfall in December - Peniche, Portugal
Average rainfall in December
Peniche, Portugal
  • Average rainfall in December: 19mm

The wettest month (with the highest rainfall) is November (34mm).
The driest months (with the least rainfall) are July and August (3mm).

Average rainfall days in December - Peniche, Portugal
Average rainfall days in December
Peniche, Portugal
  • Average rainfall days in December: 9.2 days

The month with the highest number of rainy days is November (13.7 days).
The month with the least rainy days is August (3 days).

Average sea temperature in December - Peniche, Portugal
Average sea temperature in December
Peniche, Portugal
  • Average sea temperature in December: 16.3°C

The best month for swimming (with the highest average sea temperature) is September (19.7°C).
The coldest month (with the lowest average sea temperature) is March (14.7°C).

Average daylight in December / Average sunshine in December - Peniche, Portugal
Average daylight in December /
Average sunshine in December
Peniche, Portugal
  • Average daylight in December: 9h and 3min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in December: 5h and 4min

The months with the most sunshine are July and August (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).

Average sunshine days in December - Peniche, Portugal
Average sunshine days in December
Peniche, Portugal
  • Average sunshine days in December: 18.6 days

The month with the most sunshine days is August (25 days).
The month with the least sunshine days is November (13.3 days).

Average UV index in December - Peniche, Portugal
Average UV index in December
Peniche, Portugal
  • Average UV index in December: 4

The months with the highest UV index are June and August (UV index 6).
The month with the lowest UV index is January (UV index 3).

Average cloud cover in December - Peniche, Portugal
Average cloud cover in December
Peniche, Portugal
  • Average cloud cover in December: 38

The month with the most cloud cover is January (Cloud cover 44).
The month with the least cloud cover is September (Cloud cover 20).

Average visibility in December - Peniche, Portugal
Average visibility in December
Peniche, Portugal
  • Average visibility in December: 10km

The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (10km).
The months with the lowest visibility are July and August (9km).

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