PortugalThe weather in December in Caldas da Rainha
It's cool to moderate in December in Caldas da Rainha with an average temperature of 16°C. Temperatures this month range from a low of 15°C to a high of 17°C. At night, you can expect temperatures between 9°C and 12°C.
Looking for sun and warm weather? December isn’t a good month to be in Caldas da Rainha. The temperatures are too low for a warm stay this month.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in December for Caldas da Rainha, Portugal. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 21°C in 2015, Caldas da Rainha reached the highest temperature in December over the past 10 years. The lowest daytime temperature in this month was 10°C in 2023. The extreme nighttime temperatures ranged from a lowest recorded value of 1°C to a highest value of 17°C.
Rainfall amount
In December, there is an average of 88 mm of precipitation, spread over 12 days. The wind speed is around 4 Bft, mostly coming from the South.
Daily weather in December for Caldas da Rainha
Click on any day in December to get detailed info about the usual weather on that day in Caldas da Rainha. Check out the historical temperatures and precipitation over the past 10 years on this day.
December weather comparison
| Caldas da Rainha | New York | |
|---|---|---|
| Average temperature | 16°C | 9°C |
| Max. temperature | 17°C | 12°C |
| Min. temperature | 9°C | -5°C |
| Total precipitation | 88 mm | 133 mm |
| Rainy days | 12 days | 17 days |
Start of December
The month of December starts in Caldas da Rainha with cool temps, averaging around 17°C during the day and nights around 11°C.
Mid December
By mid-December, daytime temps stay steady at around 17°C, with nights around 11°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.
End of December
By the end of December, the average daytime temperature in Caldas da Rainha is around 16°C, while nighttime temps are about 10°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.
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UV index
The UV index is a maximum of 4 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.
Check out the climate of Caldas da Rainha for all months and discover the best travel time
Curious about the weather in other parts of Portugal? Check out the climate and weather for spots like Algarve, Lisbon, Albufeira, or explore other destinations in Portugal.
Temperature charts
These charts show the average temperatures in December in Caldas da Rainha, Portugal. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in December in Caldas da Rainha
Temperature in December in Caldas da Rainha over the years
Precipitation charts
These charts show the average amount of precipitation in December in Caldas da Rainha, Portugal. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in December in Caldas da Rainha
Total precipitation in December in Caldas da Rainha over the years
Daily UV index in December in Caldas da Rainha
This chart shows the average daily UV index in December in Caldas da Rainha, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in December in Caldas da Rainha
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Average weather in Caldas da Rainha by month
Click on a month below to see detailed weather info for Caldas da Rainha. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.