Weather in December
Temperature
The onset of December aligns with a soft reduction in the average high-temperature, gently falling from an agreeable 22°C (71.6°F) in November to a comfortable 19°C (66.2°F). With a barely noticeable fluctuation in temperature, Santa Cruz reaches an average low of 14°C (57.2°F) during the December nights.Rainfall
In Santa Cruz, in December, it is raining for 19 days, with typically 91mm (3.58") of accumulated precipitation. Throughout the year, in Santa Cruz, there are 191 rainfall days, and 592mm (23.31") of precipitation is accumulated.Sea temperature
In Santa Cruz, the average seawater temperature in December is 19°C (66.2°F).Note: The majority of individuals do not enjoy swimming in water that is 19°C (66.2°F). Breathing control becomes more challenging as the water temperature dips from 21°C (69.8°F) to 15°C (59°F).
Daylight
December has the shortest days of the year, with an average of 10h and 0min of daylight.On the first day of December in Santa Cruz, sunrise is at 07:51 and sunset at 18:01. On the last day of the month, sunrise is at 08:09 and sunset at 18:11 WET.
Sunshine
January, February, November and December, with an average of 5h of sunshine, are months with the least sunshine.UV index
The months with the lowest UV index in Santa Cruz are January and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index, 3 in December, converts into the following recommendations:
Make use of precautions - It is urged to ward off sun damage. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Frequently asked questions
What is the temperature in December in Santa Cruz?
How much does it rain in Santa Cruz in December?
How cold is the water in December in Santa Cruz?
What is the month with the shortest days in Santa Cruz?
How many hours of daylight does Santa Cruz have in December?
When are sunrise and sunset in December in Santa Cruz?
What is the month with the least sunshine in Santa Cruz?
How many hours of sunshine does Santa Cruz have in December?
What is the month with the lowest UV index in Santa Cruz?
What is the UV index intensity in December in Santa Cruz?
Average temperature in December
Santa Cruz, Portugal
- Average high temperature in December: 19°C
The warmest months (with the highest average high temperature) are August and September (25°C).
The month with the lowest average high temperature is February (18°C).
- Average low temperature in December: 14°C
The months with the highest average low temperature are July, August and September (19°C).
The coldest months (with the lowest average low temperature) are January, February and March (13°C).
Average rainfall in December
Santa Cruz, Portugal
- Average rainfall in December: 91mm
The wettest month (with the highest rainfall) is January (96mm).
The driest month (with the least rainfall) is July (2mm).
Average rainfall days in December
Santa Cruz, Portugal
- Average rainfall days in December: 19 days
The month with the highest number of rainy days is January (20 days).
The months with the least rainy days are June, July and August (12 days).
Average sea temperature in December
Santa Cruz, Portugal
- Average sea temperature in December: 19°C
The best months for swimming (with the highest average sea temperature) are August and September (23°C).
The coldest months (with the lowest average sea temperature) are January, February, March and April (18°C).
Average daylight in December /
Average sunshine in December
Santa Cruz, Portugal
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 5h
The months with the most sunshine are July and August (Average sunshine: 8h).
The months with the least sunshine are January, February, November and December (Average sunshine: 5h).
Average UV index in December
Santa Cruz, Portugal
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 10).
The months with the lowest UV index are January and December (UV index 3).
Santa Cruz, Portugal
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