Average weather for Castro-Urdiales in December
It's cool to moderate in December in Castro-Urdiales with an average temperature of 16°C. Temperatures this month range from a low of 13°C to a high of 18°C. At night, you can expect temperatures between 6°C and 10°C.
Start of December
The month of December starts in Castro-Urdiales with cool temps, averaging around 15°C during the day and nights around 8°C. There are plenty of days with a good chance of precipitation.
Mid December
By mid-December, daytime temps rise to around 17°C, with nights around 9°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 Castro-Urdiales is around 17°C, while nighttime temps are about 8°C. A shower might pop up, but overall, the weather will be dry and sunny.
In December, there is an average of 136 mm of precipitation, spread over 13 days. The wind speed is around 4 Bft, mostly coming from the South.
Castro-Urdiales in December |
New York | ||
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16°C | 9°C | |
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18°C | 12°C | |
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13°C | -5°C | |
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136 mm | 133 mm | |
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13 days | 17 days |
UV index
The UV index is a maximum of 3 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.
Is December a good time to visit Castro-Urdiales?
Looking for sun and warm weather? December isn’t a good month to be in Castro-Urdiales. The temperatures are too low for a warm stay this month.
Temperature records
With 25°C in 2021, Castro-Urdiales reached the highest temperature in December over the past 10 years. The lowest daytime temperature in this month was 4°C in 2014. The extreme nighttime temperatures ranged from a lowest recorded value of -4°C to a highest value of 19°C.
Check out the climate of Castro-Urdiales for all months and discover the best travel time
Curious about the weather in other parts of Spain? Check out the climate and weather for spots like Ibiza, Majorca, Tenerife, or explore other destinations in Spain.
Daily Temperature in December in Castro-Urdiales
This chart shows the average daily high and low temperatures in December for Castro-Urdiales, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in December in Castro-Urdiales
The chart below shows the average daily precipitation in December for Castro-Urdiales, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for December, you can expect about 13 days of precipitation in Castro-Urdiales.
Daily UV index in December in Castro-Urdiales
This chart shows the average daily UV index in December in Castro-Urdiales, 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.
Temperature in December in Castro-Urdiales over the years
This chart shows the average temperature in December in Castro-Urdiales, measured in degrees Celsius, over the past few years.
Total precipitation in December in Castro-Urdiales over the years
This chart shows the average precipitation in December in Castro-Urdiales, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in December for Castro-Urdiales
Click on any day in December to get detailed info about the usual weather on that day in Castro-Urdiales. Check out the historical temperatures and precipitation over the past 10 years on this day.
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Weather experiences in December in Castro-Urdiales
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Average weather in Castro-Urdiales by month
Click on a month below to see detailed weather info for Castro-Urdiales. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Castro-Urdiales for all months at once