nomadseason

December Weather in Porto do Son, Spain

Last updated: August 27, 2025

In Porto do Son, Spain, the average temperature in December hovers around 11°C (53°F). Expect a minimum of 3°C (38°F) and a maximum of 19°C (66°F). Be prepared for moderate rainfall, with 217 mm (8.5 in) of precipitation spread over 18 days. The average humidity is relatively high at 85%, making it a damp yet cozy month.

December Temperature in Porto do Son

In December in Porto do Son, the average temperature is a mild 11°C (53°F), making it a comfortable time to visit. Maximum temperatures can reach 19°C (66°F), while the minimum can drop to as low as 3°C (38°F), so visitors should pack accordingly. Overall, it's a pleasant month for exploring and enjoying outdoor activities in Porto do Son.

December Weather in Porto do Son: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Porto do Son, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Porto do Son, December typically has an average temperature of 11°C (53°F), with highs reaching up to 19°C (66°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec505253556063676766615452
Data source: Temperature data for Porto do Son generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Porto do Son

In Porto do Son in December, the total precipitation amount is 217 mm (8.5 in) spread over 18 days.

December Precipitation Trends in Porto do Son

The chart displays monthly precipitation patterns in Porto do Son, 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 Porto do Son, December typically receives around 217 mm (8.5 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec12516115012510269303748140194217
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Porto do Son

In Porto do Son in December humidity is 85%. With an average temperature of 11°C (53°F), this humidity feels like a thick blanket wrapping around you, making every step feel heavier and creating a dampness in the air that can be exhausting for travelers.

December Average Humidity in Porto do Son

This chart illustrates the average monthly humidity levels in Porto do Son, 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 Porto do Son is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%83%82%83%83%83%82%78%79%82%84%85%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Porto do Son

In Porto do Son 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 Porto do Son, you can visit Hourly UV Index in Porto do Son.

Maximum UV Index Levels in Porto do Son for December

The chart shows the monthly maximum UV Index (UVI) for Porto do Son 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 Porto do Son typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2458910997632
Data source: Porto do Son 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 Porto do Son Compares to Other Months

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

This table compares monthly weather conditions in Porto do Son, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (50°F)125 mm (4.9 inches)84%low
February Weather11°C (52°F)161 mm (6.4 inches)83%moderate
March Weather12°C (53°F)150 mm (5.9 inches)82%moderate
April Weather13°C (56°F)125 mm (4.9 inches)83%very high
May Weather16°C (61°F)102 mm (4.0 inches)83%very high
June Weather17°C (63°F)69 mm (2.7 inches)83%very high
July Weather19°C (67°F)30 mm (1.2 inches)82%very high
August Weather19°C (67°F)37 mm (1.4 inches)78%very high
September Weather19°C (66°F)48 mm (1.9 inches)79%high
October Weather16°C (61°F)140 mm (5.5 inches)82%high
November Weather12°C (55°F)193 mm (7.6 inches)84%moderate
December Weather11°C (53°F)217 mm (8.5 inches)85%low

Compare Porto do Son's Climate with Cities Worldwide