December Weather in Asteasu, Spain

Last updated: August 27, 2025

In December, the average temperature in Asteasu, Spain hovers around 9°C (49°F), with a range that can dip as low as -1°C (31°F) and peak at 18°C (64°F). Expect about 217 mm (8.5 in) of precipitation over 17 days, contributing to a high average humidity of 87%. Be prepared for a mix of cool days and damp weather!

December Temperature in Asteasu

In December in Asteasu, the average temperature is 9°C (49°F), with maximums reaching 18°C (64°F) and minimums dropping as low as -1°C (31°F). Travelers should be prepared for a cool and variable climate during this time.

December Weather in Asteasu: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Asteasu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Asteasu, December typically has an average temperature of 9°C (49°F), with highs reaching up to 18°C (64°F) and lows dropping to around -1°C (31°F).

Data source: Temperature data for Asteasu generated using information from the Copernicus Climate Change Service.

December Precipitation in Asteasu

In Asteasu in December, the precipitation amount is 217 mm (8.5 in) over the course of 17 days.

December Precipitation Trends in Asteasu

The chart displays monthly precipitation patterns in Asteasu, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Asteasu, December typically receives around 217 mm (8.5 inches) of precipitation spread over approximately 17 days.

Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

December Humidity in Asteasu

In Asteasu in December humidity is 87%. With an average temperature of 9°C (49°F), this humidity feels like a damp blanket wrapping around you, making travel uncomfortable and leaving you yearning for a dry breeze to refresh your spirit.

December Average Humidity in Asteasu

This chart illustrates the average monthly humidity levels in Asteasu, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Asteasu is approximately 87%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Asteasu

In Asteasu in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Asteasu, you can visit Hourly UV Index in Asteasu.

Maximum UV Index Levels in Asteasu for December

The chart shows the monthly maximum UV Index (UVI) for Asteasu in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Asteasu typically reaches 2, which falls under the low exposure category.

Data source: Asteasu December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How December Weather in Asteasu Compares to Other Months

Weather in Asteasu varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Asteasu, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Asteasu, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	7°C (45°F)	147 mm (5.8 inches)	86%	low
February Weather	9°C (49°F)	130 mm (5.1 inches)	85%	moderate
March Weather	10°C (51°F)	124 mm (4.9 inches)	82%	high
April Weather	12°C (54°F)	108 mm (4.3 inches)	81%	high
May Weather	14°C (58°F)	120 mm (4.7 inches)	80%	very high
June Weather	17°C (63°F)	135 mm (5.3 inches)	81%	very high
July Weather	19°C (67°F)	93 mm (3.7 inches)	80%	very high
August Weather	20°C (67°F)	95 mm (3.7 inches)	76%	very high
September Weather	18°C (65°F)	97 mm (3.8 inches)	75%	high
October Weather	15°C (59°F)	135 mm (5.3 inches)	81%	moderate
November Weather	11°C (52°F)	190 mm (7.5 inches)	85%	moderate
December Weather	9°C (49°F)	217 mm (8.5 inches)	87%	low