December Weather in Valenca, Portugal

Last updated: February 24, 2025

In Valenca, Portugal, December presents a cool and somewhat wet climate. With a maximum temperature of 18°C (65°F) and an average of 11°C (52°F), the month invites visitors to bundle up, especially during cooler nights when temperatures can drop to a brisk 3°C (37°F). Rainfall is significant, with a total of 243 mm (9.6 in) spread over 17 days, contributing to a high humidity level of 87%. These conditions create a unique, misty charm perfect for enjoying the town's historical architecture and festive atmosphere during the holiday season.

December Temperature in Valenca

In Valenca, Portugal, December brings a gentle chill as the temperatures begin to dip, featuring a minimum of 3°C (37°F) and an average of 11°C (52°F). The maximum temperature reaches a comfortable 18°C (65°F), making it a mild month compared to the colder January and February that follow. This moderate December weather allows for pleasant outings amidst the stunning historical scenery, while still hinting at the winter chill to come. Overall, December serves as a transitional month, bridging the fall's warmth with the crispness of winter, inviting visitors to explore the charming streets of Valenca without the sweltering summer heat.

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

The chart illustrates December temperature patterns in Valenca, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec495253556063666765605452
Data source: Temperature data for Valenca generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Valenca

December in Valença, Portugal, marks a significant uptick in precipitation, with 243 mm (9.6 in) falling over 17 days—the highest amount for the year. This surge contrasts sharply with the drier summer months, where July and August see less than 30 mm combined. Notably, December’s rainfall surpasses November's 208 mm (8.2 in), indicating a marked transition into the wet winter season. As temperatures drop and the days grow shorter, the increased precipitation sets the scene for a cozy, rain-soaked end to the year, making Valença an enchanting destination for those who appreciate the beauty of moody winter landscapes.

December Precipitation Trends in Valenca

The chart displays monthly precipitation patterns in Valenca, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1311731821669862232749144208243
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Valenca

As December arrives in Valença, Portugal, the humidity levels mirror the year's beginning, sitting at a notable 87%. This winter month sees a return to the elevated humidity experienced in January and November, creating a sense of coziness amidst the cooling temperatures. Throughout the year, Valença displays a clear trend, with humidity gradually decreasing from the high levels of spring down to a low of 63% in July before rebounding in the later months. December’s humidity signals the onset of winter, reminding residents that the dampness is a characteristic companion of the colder season, essential for the region's lush landscapes and vibrant ecosystems.

December Average Humidity in Valenca

This chart illustrates the average monthly humidity levels in Valenca, with December's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how December's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec87%81%78%79%78%71%63%64%71%79%86%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Valenca

As December settles in Valença, Portugal, the sun's rays become gentler, with the UV Index dipping to 2, placing it in the low exposure category. This trend marks a significant decrease from the peak levels experienced during the summer months, when the index reached a striking 10 in June. Notably, during December, you can safely enjoy up to 45 minutes of sunlight without the worry of burning, allowing for those refreshing winter strolls. As the year wraps up, this seasonal reduction in UV exposure emphasizes the importance of adapting sun protection measures as we transition from the intense summer sun to the milder winter rays. For more detailed insights, check out the comprehensive information available at Valenca UV Index.

Maximum UV Index Levels in Valenca for December

The chart shows the monthly maximum UV Index (UVI) for Valenca 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.
JanFebMarAprMayJunJulAugSepOctNovDec2468910997632
Data source: Valenca 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.

December Sunshine in Valenca

December in Valença, Portugal, offers a gentle transition into winter, with 207 hours of sunshine illuminating the festive season. While days grow shorter compared to the vibrant summer months, which bask in over 400 hours in June and July, December still provides a cozy atmosphere for locals and visitors alike. The soft glow of sunlight during this month, although less than the peak of 398 hours in May, remains inviting. As the year winds down, December's sunniness serves as a delightful reminder that even in winter, Valença retains its charm, underscoring its role as a year-round destination for those seeking a warm retreat.

Monthly Sunshine Duration in Valenca: December Highlighted

The December sunshine duration represents the total number of hours Valenca experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec177h233h307h342h398h400h426h394h342h304h237h207h
Data source: Valenca December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Valenca During December

In Valenca, Portugal, December's likelihood of sunny weather stands at 32%, marking a notable decrease from the sunnier months preceding it. This trend highlights a shift as the year winds down, with November boasting a much brighter 65% chance of sun, making it one of the sunniest months of the year. Conversely, as we move into winter, the chances of clear skies diminish, sitting below that of early winter months like January, which still holds a considerably higher 47% likelihood. While December may not offer the best prospect for sun-soakers, the month still holds its charm, wrapping up the year with a cool coastal ambiance characteristic of Valenca’s unique weather patterns.

Percentage of Sunny Days in December in Valenca

The chart illustrates the percentage of sunny days in Valenca throughout the year, with December highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Valenca experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec47%18%58%39%44%59%53%65%41%42%65%32%
Data source: Valenca December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Valenca in December

In Valença, Portugal, the rhythm of daylight plays a captivating role throughout the year. As the calendar turns from December, when the sun graces the skies for a modest 9 hours, the days gradually lengthen, leading to a delightful progression in the following months. By February, daylight extends to 10 hours, and this increase continues steadily until the brightest months of May and June, where residents bask in approximately 14 to 15 hours of sunlight. This vibrant peak eventually tapers off, with daylight dwindling again to 9 hours by November and December. The cyclical dance of light not only marks the changing seasons but also enriches the experience of life in this charming Portuguese town.

Average Daylight Hours in Valenca for December

The chart illustrates the variation in daylight duration in Valenca throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 29m10h 34m11h 57m13h 22m14h 34m15h 10m14h 51m13h 47m12h 26m11h 1m9h 47m9h 9m
Data source: Valenca daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Valenca

In Valença, Portugal, December ushers in a refreshing breeze with an average wind speed of 4.2 m/s (9 mph), marking a slight increase from the previous month. This seasonal uptick reflects a trend of higher winds as the year closes, a contrast to the calmer conditions in the spring and early summer, where speeds dipped as low as 2.8 m/s (6 mph) in April. As winter sets in, the wind begins to pick up, exceeding the gentle currents of the summer months, which averaged around 3.0 to 3.8 m/s (7 to 8 mph). Such variations not only enhance the crispness of the air but also invigorate the scenic beauty of the region, making December a delightful time to experience the elements in Valença.

Average December Wind Speed in Valenca

The chart displays monthly wind speed patterns in Valenca, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.45.33.22.83.83.83.63.03.03.03.54.2 m/s
Data source: Valenca December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Valenca Compares to Other Months

The weather in Valenca changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of December's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Valenca and find detailed weather information for every month.

December and January exhibit notable differences in weather patterns. In December, temperatures range from a minimum of 3°C (37°F) to a maximum of 18°C (65°F), with an average of 11°C (52°F). The month is characterized by considerable precipitation, totaling 243 mm (9.6 in) over 17 days, while humidity remains high at 87%. In contrast, January sees slightly cooler temperatures, with a minimum of 0°C (32°F) and a maximum of 20°C (68°F), averaging 9°C (49°F). Precipitation decreases significantly to 131 mm (5.2 in) and occurs over just 10 days, yet humidity levels remain constant at 87%. For further details on January weather, you can explore Valenca weather in January.

In December, temperatures range from a chilly 3°C (37°F) to a milder 18°C (65°F), with an average of 11°C (52°F). The month is quite wet, featuring 243 mm (9.6 in) of precipitation over 17 days, coupled with high humidity at 87%. In contrast, February offers slightly cooler temperatures, with minimums at 2°C (36°F) and maximums reaching 21°C (70°F), yet the average remains the same at 11°C (52°F). Precipitation decreases to 173 mm (6.8 in) over 13 days, and humidity also drops to 81%. For more detailed insights, check out Valenca weather in February.

December and March showcase a gradual transition in weather patterns. In December, temperatures range from a minimum of 3°C (37°F) to a maximum of 18°C (65°F), with a significant average of 11°C (52°F). This month also sees a higher level of precipitation, totaling 243 mm (9.6 in) over 17 days, coupled with high humidity at 87%. In contrast, March experiences slightly cooler minimum temperatures, at 2°C (37°F), but boasts warmer maximum temperatures reaching 22°C (73°F), while maintaining a similar average of 11°C (53°F). Precipitation decreases to 182 mm (7.2 in) over 13 days, and humidity relaxes to 78%. For detailed weather insights specific to March, visit Valenca weather in March.

In December, the weather is marked by cooler temperatures, with a minimum of 3°C (37°F) and an average of 11°C (52°F), peaking at a maximum of 18°C (65°F). This month is also characterized by high humidity at 87% and considerable precipitation, totaling 243 mm (9.6 in) over 17 days. In contrast, April brings a noticeable warming trend, with minimum temperatures remaining around 3°C (38°F) but an average rise to 13°C (56°F) and a maximum reaching 25°C (77°F). The precipitation in April is lower at 166 mm (6.5 in) spread across 14 days, while humidity decreases to 79%. For a more detailed comparison of April's weather, you can check Valenca weather in April.

December and May present contrasting weather experiences. In December, temperatures range from a chilly 3°C (37°F) to a mild 18°C (65°F), with an average of 11°C (52°F). The month is notably wet, with 243 mm (9.6 in) of precipitation over 17 days and high humidity at 87%. In comparison, May enjoys a warmer climate, with temperatures increasing from a minimum of 6°C (43°F) to a pleasant maximum of 28°C (82°F) and an average of 16°C (60°F). Additionally, May is considerably drier, with only 98 mm (3.9 in) of precipitation over 10 days and a lower humidity of 78%. For more information on weather details, you can check Valenca weather in May.

December and June present contrasting weather patterns, highlighting the stark seasonal changes. In December, temperatures range from a chilly 3°C (37°F) at night to a mild 18°C (65°F) during the day, with an average of 11°C (52°F). This month is characterized by high humidity at 87% and significant precipitation, totaling 243 mm (9.6 in) over 17 days. In contrast, June boasts warmer temperatures, with nighttime lows around 9°C (48°F) and daytime highs peaking at 27°C (81°F), averaging 17°C (63°F). The month is also drier, experiencing only 62 mm (2.4 in) of rainfall spread over just 8 days and a lower humidity level of 71%. For a detailed look at the weather conditions, you can refer to Valenca weather in June.

In December, temperatures in Valenca range from a chilly minimum of 3°C (37°F) to a comfortable maximum of 18°C (65°F), with an average of around 11°C (52°F). This month is characterized by high humidity at 87% and significant precipitation, averaging 243 mm (9.6 in) over 17 days. In contrast, July offers much warmer weather, with temperatures varying from a minimum of 11°C (52°F) to a pleasant maximum of 29°C (85°F) and an average of 19°C (67°F). The humidity drops to 63%, and there is significantly less rainfall, with only 22 mm (0.9 in) over just 5 days. For more details on the July weather specifics, you can check Valenca weather in July.

When comparing the weather in December and August, notable contrasts emerge. December experiences cooler temperatures, with a minimum of 3°C (37°F) and an average of 11°C (52°F), contrasted with August, which boasts a warmer range with a minimum of 12°C (54°F) and an average of 19°C (67°F). Precipitation is significantly higher in December, at 243 mm (9.6 in) over 17 days, while August sees much drier conditions with only 27 mm (1.0 in) of rain falling over just 4 days. Additionally, humidity levels are higher in December at 87%, compared to a more comfortable 64% in August. For a detailed look at the weather specifics, you can check Valenca weather in August.

December and September present strikingly different weather patterns. In December, temperatures are cooler, with a minimum of 3°C (37°F) and an average of 11°C (52°F), peaking at a maximum of 18°C (65°F). This month is also characterized by high humidity levels at 87%, along with significant rainfall, totaling 243 mm (9.6 in) over 17 days. In contrast, September enjoys milder temperatures, with a minimum of 10°C (50°F), an average of 18°C (65°F), and a maximum of 29°C (84°F). This month sees much less rainfall, accumulating only 49 mm (1.9 in) over 7 days and lower humidity at 71%. For a more detailed look at September weather, you can check Valenca weather in September.

When comparing the weather in October and December, it’s clear that December tends to be cooler and wetter. In December, temperatures range from a minimum of 3°C to a maximum of 18°C, with an average of 11°C, while October enjoys milder conditions with averages between 5°C and 28°C. Additionally, December experiences significantly higher precipitation, averaging 243 mm over 17 days, compared to October’s 144 mm over just 12 days. The humidity levels are also higher in December at 87%, compared to October’s 79%, making December feel much more damp and chilly. For more detailed insights, you can check Valenca weather in October.

Comparing the weather in December and November reveals some notable differences. December generally sees a slight drop in temperatures, with minimums around 3°C (37°F) and maximums reaching up to 18°C (65°F), while November offers slightly warmer temperatures, with minimums at 4°C (39°F) and maximums peaking at 20°C (68°F). Precipitation also increases in December, accumulating to 243 mm (9.6 in) over 17 days, in contrast to November's 208 mm (8.2 in) over 15 days. Both months experience high humidity levels, with December averaging 87% and November at 86%. For more precise details, you can check out Valenca weather in November.

Compare Valenca's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Valenca

As December arrives in Valença, the weather takes on a distinctly cooler and wetter character compared to other months. With high humidity levels hovering around 87%, the air feels crisp, and temperatures dip into the lower range, making it one of the chillier months of the year. Frequent precipitation over at least half the month adds a layer of intensity to the already overcast skies, contributing to a lush, green landscape that contrasts with the brighter, sunnier days of spring and summer. Despite the chill, this month presents a unique charm that invites visitors to experience Valença's seasonal beauty. For a detailed overview of the area's weather patterns, explore Valenca Climate.