December Weather in Portomarin, Spain

Last updated: February 6, 2025

In December, Portomarin experiences a chilly yet captivating climate characterized by a maximum temperature of 16°C (62°F) and an average of 8°C (46°F). With temperatures occasionally dipping to a crisp -4°C (26°F), the town is enveloped in a serene winter atmosphere. Rainfall is significant during this month, with an average precipitation of 161 mm (6.3 in) spread over 16 days, contributing to the lush greenery that the region is known for. The air holds a high humidity level of 85%, enhancing the mystical aura of Portomarin, making it a perfect time for contemplative walks along its historical paths amidst the charming landscape.

December Temperature in Portomarin

In Portomarin, Spain, December temperatures reflect a significant chill as the year draws to a close. With minima averaging around -4°C (26°F), this month marks one of the coldest periods, often urging locals and visitors to bundle up against the brisk air. The average temperature hovers at a cool 8°C (46°F), offering a stark contrast to the milder conditions seen earlier in the year. On warmer days, the maximum can reach 16°C (62°F), providing fleeting moments of comfort to those braving the winter chill. Overall, December in Portomarin encapsulates the deepening embrace of winter, inviting a cozy atmosphere with a hint of festive charm.

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

The chart illustrates December temperature patterns in Portomarin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec434748525761666663564846
Data source: Temperature data for Portomarin 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 Portomarin

In December, Portomarin, Spain experiences its wettest month of the year, with precipitation soaring to 161 mm (6.3 in) over 16 days. This significant increase in rainfall marks a distinct shift from the relatively drier summer months, where July and August see only 27 mm and 36 mm, respectively. As autumn gives way to winter, the trend of escalating precipitation becomes apparent, evidenced by November's already high total of 120 mm (4.7 in). This consistent uptick reflects a pattern that prepares the landscape for the lush green that follows, as the region warms up come spring. Overall, December not only tops the charts for rainfall but also sets the stage for a vibrant seasonal transition.

December Precipitation Trends in Portomarin

The chart displays monthly precipitation patterns in Portomarin, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7910711682796627364696120161
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Portomarin

In December, Portomarin, Spain, experiences a rise in humidity, reaching 85%, which is the highest level of the year. This increase marks a consistent trend observed in the cooler months, as the humidity remains relatively stable from September to November, hovering between 79% and 84%. As winter sets in, the climatic conditions shift slightly, creating a more humid atmosphere. Interestingly, despite the overall high humidity levels throughout the year, summertime, particularly in August, showcases a dip to 78%, suggesting a more arid spell. Thus, December's humidity can be seen as part of a cyclical pattern that highlights the region's seasonal variations, adding a unique charm to its winter climate.

December Average Humidity in Portomarin

This chart illustrates the average monthly humidity levels in Portomarin, 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.
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 Portomarin

In December, the UV Index in Portomarin, Spain drops back to a low 2, reflecting a significant decrease in solar intensity compared to the peak summer months. This low exposure level means residents and visitors can enjoy outdoor activities with a burn time of 45 minutes before needing to apply sunscreen. December's trends show a clear transition from the intense summer months, where the UV Index reached extreme levels of 11 in June, to more moderate conditions in winter, ensuring skin protection is less of a concern. Those exploring this picturesque town can revel in the more gentle rays of winter sun, making it the perfect time for leisurely strolls and sightseeing without the urgency to shield against harmful UV exposure. For more detailed insights on UV levels throughout the year, visit Portomarin UV Index.

Maximum UV Index Levels in Portomarin for December

The chart shows the monthly maximum UV Index (UVI) for Portomarin 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.
JanFebMarAprMayJunJulAugSepOctNovDec24689111098632
Data source: Portomarin 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 Portomarin

December in Portomarin, Spain, ushers in a softer glow with 191 hours of sunshine, a gentle decline from the vibrant light of summer. As the year winds down, we observe a seasonal trend where sunlight wanes from a peak of 421 hours in July to this winter month's quieter rays. While December’s hours are notably fewer than the sun-drenched heights of spring and summer, they still offer a charming respite amid the cooler weather. As we reflect on the yearly cycle, it’s clear that Portomarin experiences a dynamic ebb and flow of sunlight—each month painting a different hue on the landscape, with December providing a serene close to the year.

Monthly Sunshine Duration in Portomarin: December Highlighted

The December sunshine duration represents the total number of hours Portomarin 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.
JanFebMarAprMayJunJulAugSepOctNovDec170h230h299h337h390h387h421h392h338h298h228h191h
Data source: Portomarin December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Portomarin During December

In Portomarin, Spain, the likelihood of sunny weather in December reflects a trend of fluctuating sunshine throughout the year. With a 32% chance of sun, December aligns closely with the cooler months of January and September, both hovering around similar percentages. As the year progresses, sunshine peaks notably in the summer months of August with a 53% chance, while March also stands out with a healthy 50%, suggesting that the spring transition brings more sunny days. However, as winter settles in, the opportunity for sun diminishes, making December a time when cloudy skies become more likely. Overall, for those hoping for bright December days, it appears the sun is not a frequent guest in this picturesque town.

Percentage of Sunny Days in December in Portomarin

The chart illustrates the percentage of sunny days in Portomarin 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 Portomarin experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec33%16%50%39%33%42%43%53%33%37%42%32%
Data source: Portomarin December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Portomarin in December

In Portomarin, Spain, December marks the end of the year with 9 hours of daylight, mirroring the shorter days of November. As autumn transitions into winter, daylight hours begin to plateau, reflecting a natural rhythm where sunlight gradually dwindles from the longer days of summer. June stands out as the peak with 15 hours of daylight, after which the duration starts to recede, descending to 14 hours in July and followed by a gradual decline through the autumn months. This gentle ebb and flow reveals the enchanting cycle of the seasons, inviting a quieter, reflective time during December, as daylight lingers just long enough to savor the beauty of winter.

Average Daylight Hours in Portomarin for December

The chart illustrates the variation in daylight duration in Portomarin throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 25m10h 32m11h 57m13h 24m14h 38m15h 15m14h 56m13h 50m12h 26m10h 59m9h 43m9h 4m
Data source: Portomarin daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Portomarin

As December ushers in the winter season in Portomarin, Spain, the wind begins to pick up, averaging 3.4 m/s (8 mph)—a notable increase from the lighter breezes of the summer months. This shift mirrors the trends seen throughout the year, where wind speeds tend to be at their highest in the colder months of January and December while dipping significantly during the warmth of July and August. This seasonal pattern not only enhances the crisp, invigorating feel of the air but also invites visitors to embrace the charming landscape transformed by winter’s touch. With these steady winds, December provides a refreshing backdrop for exploring the historic trails and natural beauty of Portomarin, creating an experience that is both energizing and captivating.

Average December Wind Speed in Portomarin

The chart displays monthly wind speed patterns in Portomarin, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.44.12.72.53.12.82.62.32.42.62.83.4 m/s
Data source: Portomarin December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Portomarin Compares to Other Months

The weather in Portomarin 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 Portomarin and find detailed weather information for every month.

December weather is generally characterized by slightly milder temperatures compared to January, with average highs reaching 16°C (62°F) and lows dropping to -4°C (26°F). The month experiences significant precipitation, totaling 161 mm (6.3 in) across 16 days, accompanied by high humidity levels averaging 85%. In contrast, January sees a drop in average temperatures, with highs of 19°C (67°F) and lows of -5°C (23°F). Precipitation also decreases, totaling 79 mm (3.1 in) over just 10 days, while humidity remains relatively stable at 84%. For a more detailed overview of January weather, visit Portomarin weather in January.

December and February exhibit some notable differences in weather patterns. In December, temperatures range from a chilly -4°C (26°F) to a more moderate 16°C (62°F), with an average of 8°C (46°F). The month is characterized by higher precipitation, totaling 161 mm (6.3 in) over 16 days, and a humidity level of 85%. In contrast, February experiences slightly milder conditions, with minimum temperatures around -3°C (27°F) and maximums reaching 21°C (70°F), while maintaining a similar average of 8°C (47°F). Precipitation decreases to 106 mm (4.2 in) over just 12 days, and the humidity falls slightly to 83%. For further details on February weather, you can check Portomarin weather in February.

December and March present notable differences in weather characteristics. In December, temperatures range from a minimum of -4°C (26°F) to a maximum of 16°C (62°F), averaging around 8°C (46°F). The month sees significant precipitation at 161 mm (6.3 in) over 16 days, accompanied by high humidity levels at 85%. In contrast, March experiences slightly milder conditions, with temperatures ranging from -4°C (26°F) to a warmer maximum of 24°C (75°F), averaging 9°C (48°F). Precipitation decreases to 116 mm (4.6 in) over 14 days, and humidity is marginally lower at 82%. For a detailed look at weather specifics during this time, you can visit Portomarin weather in March.

December and April offer quite different weather experiences. In December, temperatures generally range from a chilly -4°C (26°F) to a mild 16°C (62°F), with an average of 8°C (46°F). The month sees considerable precipitation, totaling 161 mm (6.3 in) over approximately 16 days, creating a damp atmosphere with high humidity at 85%. In contrast, April brings more warmth and variability, with temperatures varying from -3°C (26°F) to a pleasant 25°C (77°F), averaging around 11°C (52°F). Precipitation decreases to 82 mm (3.2 in) across 13 days, while humidity remains relatively low at 83%. For a closer look at what to expect, check out Portomarin weather in April.

December weather presents a stark contrast to that of May, with temperatures ranging from a chilly -4°C (26°F) at night to a mild 16°C (62°F) during the day. The month is characterized by significant precipitation, totaling 161 mm (6.3 in) over 16 days, and high humidity averaging around 85%. In comparison, May experiences a much warmer climate, with minimum temperatures of 1°C (35°F) and maximum temperatures soaring to 30°C (86°F). This month also sees less rain, with 79 mm (3.1 in) over 12 days, and slightly lower humidity at 83%. To explore more about the delightful weather in this spring month, check out Portomarin weather in May.

December and June present stark contrasts in weather. In December, temperatures can dip as low as -4°C (26°F), with an average of 8°C (46°F) and a maximum reaching 16°C (62°F). This month sees significant precipitation, with 161 mm (6.3 in) spread over 16 days, and humidity remains high at 85%. In contrast, June brings warmer temperatures, starting at a minimum of 4°C (40°F), averaging 16°C (62°F), and peaking at 33°C (92°F). The month is relatively dry, with only 66 mm (2.6 in) of rain over 12 days and slightly lower humidity at 83%. For a closer look at what to expect, check out Portomarin weather in June.

December and July present strikingly contrasting weather conditions. In December, temperatures can drop to a minimum of -4°C (26°F) and only reach a maximum of 16°C (62°F), with an average of 8°C (46°F). The month is characterized by high humidity at 85% and significant precipitation, totaling 161 mm (6.3 in) over approximately 16 days. In contrast, July enjoys warm temperatures, with a minimum of 7°C (45°F) and a maximum reaching 33°C (91°F), leading to a comfortable average of 19°C (66°F). This summer month sees much less rain, with only 27 mm (1.1 in) over about 7 days and slightly lower humidity at 82%. For more detailed insights into July weather, you can check out Portomarin weather in July.

December and August present stark contrasts in weather. In December, temperatures can dip as low as -4°C (26°F), with an average of 8°C (46°F) and a maximum of 16°C (62°F). The month is also characterized by significant precipitation, with 161 mm (6.3 in) falling over 16 days, contributing to a high humidity level of 85%. In contrast, August is much warmer, featuring a minimum temperature of 8°C (47°F) and an average of 19°C (66°F), peaking at a sizzling 35°C (95°F). The month is relatively dry, with only 36 mm (1.4 in) of rain over 6 days and lower humidity at 78%. For more detailed insights, you can check Portomarin weather in August.

When comparing the weather in December and September, significant differences emerge. December experiences lower overall temperatures, with a minimum of -4°C (26°F) and an average of 8°C (46°F), while September boasts much warmer conditions, featuring a minimum of 3°C (38°F) and an average of 17°C (63°F). Additionally, September can reach maximum temperatures of up to 33°C (92°F), making it notably hotter than December's peak of 16°C (62°F). Precipitation levels also vary, with December receiving considerably more rainfall at 161 mm (6.3 in) over 16 days compared to September's 46 mm (1.8 in) across just 9 days. Humidity is slightly higher in December at 85%, compared to 79% in September. For more detailed insights, check out Portomarin weather in September.

In December, the weather is significantly colder than in October, with minimum temperatures dropping to -4°C (26°F) compared to October's milder 2°C (35°F). The average temperature in December is 8°C (46°F), while October boasts a much warmer average of 14°C (57°F), reaching a maximum of 30°C (87°F). Additionally, December experiences more precipitation, totaling 161 mm (6.3 in) over 16 days, compared to October's 96 mm (3.8 in) over 12 days. Humidity levels are quite high in both months, with December at 85% and October slightly lower at 82%. For more detailed insights on October weather, check out Portomarin weather in October.

December's weather contrasts with November's, showcasing colder temperatures and increased precipitation. In December, the minimum temperature dips to -4°C (26°F), while the average temperature hovers around 8°C (46°F), peaking at a maximum of 16°C (62°F). This is a slight drop from November, where temperatures range from a minimum of -1°C (31°F) to an average of 9°C (49°F) and a maximum of 19°C (67°F). Additionally, December experiences higher precipitation at 161 mm (6.3 in) over 16 days, compared to November's 120 mm (4.7 in) over 15 days. The humidity remains similar, with December at 85% and November at 84%. For a more detailed look at November conditions, check out Portomarin weather in November.

Compare Portomarin's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Portomarin

As December settles in, Portomarin transforms into a cozy winter haven, marked by cooler temperatures and a significant increase in precipitation. Average highs rarely exceed 16°C, while chilly nights can dip to -4°C, creating a distinct contrast to the milder autumn months. The town experiences nearly half the month with rainy days, leading to a notable rise in humidity levels, making the atmosphere feel brisk and refreshing. This shift in weather not only changes the landscape but also invites visitors to explore Portomarin's charming winter scenery. For a deeper understanding of the area's climate throughout the year, check out Portomarin Climate.