December Weather in Quarteira, Portugal

Last updated: February 24, 2025

December in Quarteira, Portugal offers a mild coastal climate, with maximum temperatures reaching a pleasant 20°C (68°F) and an average of 15°C (58°F). The nights can be cooler, dipping to a minimum of 9°C (48°F). Expect a relatively wet month, with 47 mm (1.9 in) of rain spread over 5 days, contributing to a humidity level of 81%. This combination creates a refreshing atmosphere perfect for coastal strolls, while the occasional rain adds to the month’s charm, making Quarteira a delightful winter getaway.

December Temperature in Quarteira

In December, Quarteira, Portugal, experiences a gentle transition into winter, characterized by mild temperatures that invite comfort rather than chill. The month sees minimums around 9°C (48°F), making it quite pleasant compared to the stark cold found in many other regions. With an average temperature of 15°C (58°F) and maximums reaching 20°C (68°F), December offers a cozy atmosphere, perfect for leisurely strolls along the promenade or enjoying the local cuisine al fresco. As the year closes, the weather in Quarteira remains relatively warm, reflecting a consistent pattern of mild winters that define the Mediterranean climate. This makes December a charming time to visit, especially for those looking to escape harsher winter climates.

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

The chart illustrates December temperature patterns in Quarteira, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec555758606568727372676158
Data source: Temperature data for Quarteira 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 Quarteira

In December, Quarteira experiences a notable shift in precipitation, with 47 mm (1.9 in) of rain spread over approximately 5 days. This marks a slight decrease from the previous month’s 56 mm (2.2 in), reinforcing a trend of diminishing rainfall as the year draws to a close. Compared to the wetter spring months, December’s precipitation is relatively moderate, providing a refreshing contrast to the dry summer. As the winter season takes hold, these rains contribute to the region's lush landscapes, making it a tranquil time for visitors and locals alike.

December Precipitation Trends in Quarteira

The chart displays monthly precipitation patterns in Quarteira, 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.
JanFebMarAprMayJunJulAugSepOctNovDec274774541642111285647
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Quarteira

In December, Quarteira, Portugal experiences an increase in humidity, reaching 81%, slightly higher than the year’s average and marking a trend of rising moisture as winter sets in. The month follows a gradual decline in humidity from 80% in January to a low of 67% in June, after which humidity levels experience a subtle rebound. This pattern highlights a distinct seasonal shift, with December's humidity closely mirroring the early winter months. Overall, as the year closes, the atmosphere becomes more saturated, creating a cozy, albeit damp, ambiance perfect for those who appreciate the charm of Portugal's coastal climate.

December Average Humidity in Quarteira

This chart illustrates the average monthly humidity levels in Quarteira, 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.
JanFebMarAprMayJunJulAugSepOctNovDec80%74%71%69%69%67%69%68%71%75%78%81%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Quarteira

In Quarteira, Portugal, the UV Index experiences a notable ebb and flow throughout the year. Starting with a moderate UV Index of 3 in both January and December, the sun's intensity gradually increases, peaking at an extreme level of 11 in June. This trend highlights the importance of sun safety during the summer months, especially when burn times drop to just 10 minutes. As the seasons transition, the UV Index shifts from high to very high, particularly from March to September, with the most significant exposure occurring in late spring and early summer. As winter approaches, the UV Index declines again, making December a more forgiving month for sun exposure. For detailed insights and updates on UV levels, check the Quarteira UV Index.

Maximum UV Index Levels in Quarteira for December

The chart shows the monthly maximum UV Index (UVI) for Quarteira 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.
JanFebMarAprMayJunJulAugSepOctNovDec3579101110109743
Data source: Quarteira 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 Quarteira

As the year draws to a close, December in Quarteira embraces a gentle sun with 243 hours of sunshine, a continuation of the region's mild climate. This month subtly transitions from the vibrant intensity of summer, peaking in July with 427 hours, to the softer light of winter. Despite the drop-off from the sunniest months, December maintains a respectable brightness, slightly above January's 203 hours, suggesting a lingering warmth that attracts visitors seeking a festive escape. Overall, the gradual descent from May’s peak of 410 hours illustrates Quarteira's allure throughout the seasons, with December embodying a transitional period that offers a serene, sun-kissed end to the year.

Monthly Sunshine Duration in Quarteira: December Highlighted

The December sunshine duration represents the total number of hours Quarteira 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.
JanFebMarAprMayJunJulAugSepOctNovDec203h248h308h359h410h413h427h398h351h323h248h243h
Data source: Quarteira December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Quarteira During December

In Quarteira, Portugal, December marks a transitional period for sunny weather, showcasing a 50% chance of sunshine. As the year winds down, this likelihood mirrors the somewhat fickle conditions of January, indicating a consistency in the cooler season. Notably, the months leading up to December—November offers a more promising 78% chance—serve as a reminder of the region's potential for clear skies as it approaches winter. However, the sunny peaks seen in the summer months of June through August stand in stark contrast, emphasizing the seasonal changes that shape Quarteira's weather patterns. Thus, while December may not boast the highest likelihood for sun, it still holds onto a fair promise of warmth amidst the incoming chill.

Percentage of Sunny Days in December in Quarteira

The chart illustrates the percentage of sunny days in Quarteira 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 Quarteira experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec50%29%64%47%67%85%94%89%71%59%78%50%
Data source: Quarteira December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Quarteira in December

In Quarteira, Portugal, the daylight duration exhibits a clear seasonal rhythm, peaking in the warmer months and dipping as winter approaches. Starting the year with 9 hours of daylight in January, the days gradually lengthen, reaching a delightful 14 hours by May and maintaining this brightness through June and July. As summer fades into fall, daylight diminishes, with August seeing a slight decline to 13 hours and continuing to shorten through the autumn months until it settles back at 9 hours in December. This cyclical pattern reflects the rich seasonal transitions that define Quarteira's climate, allowing residents and visitors to enjoy an abundance of sunlight during half the year, followed by a cozy retreat into shorter, tranquil days.

Average Daylight Hours in Quarteira for December

The chart illustrates the variation in daylight duration in Quarteira throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 55m10h 49m11h 58m13h 9m14h 9m14h 39m14h 23m13h 30m12h 22m11h 11m10h 10m9h 38m
Data source: Quarteira daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Quarteira

As December arrives in Quarteira, Portugal, the coastal charm is accompanied by a noticeable uptick in wind speed, averaging 6.1 m/s (14 mph). This slight increase marks it as the windiest month of the year, contrasting with the more stable and milder breezes of late autumn. From January to November, wind speeds generally hover between 4.4 and 5.6 m/s, suggesting a gradual decrease as the seasons shift from summer to fall. However, December's gusts bring a refreshing vigor, heralding the arrival of winter. The environment transforms as brisk winds sweep through the coastal landscape, inviting both residents and visitors to embrace the invigorating climate of this enchanting Algarve town.

Average December Wind Speed in Quarteira

The chart displays monthly wind speed patterns in Quarteira, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.65.65.14.85.45.15.55.04.44.75.16.1 m/s
Data source: Quarteira December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Quarteira Compares to Other Months

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

December and January exhibit notable differences in weather patterns. December tends to be slightly warmer, with average temperatures ranging from a minimum of 9°C (48°F) to a maximum of 20°C (68°F), while January sees temperatures drop slightly, with a minimum of 5°C (41°F) and a maximum of 18°C (65°F). Precipitation is more frequent in December, totaling 47 mm (1.9 in) over 5 days compared to January's 27 mm (1.1 in) over just 3 days. Despite the seasonal shift, humidity remains relatively stable, with December at 81% and January at 80%. For a more detailed look at January's conditions, visit Quarteira weather in January.

December and February share similar maximum temperatures, both peaking at around 20°C (68°F). However, December tends to be slightly warmer on average, with temperatures ranging from a minimum of 9°C (48°F) compared to February's 7°C (44°F). Precipitation levels are comparable, with December receiving 47 mm (1.9 in) and February slightly lower at 46 mm (1.8 in), both experiencing rain on about five days. Interestingly, December has a higher humidity level of 81% versus February's 73%, indicating that February may feel a bit drier. For a closer look at February conditions in Quarteira, you can visit Quarteira weather in February.

In December, the weather tends to be slightly warmer, with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 20°C (68°F) and an average temperature of 15°C (58°F). The month experiences about 47 mm (1.9 in) of precipitation over approximately 5 days, accompanied by a higher humidity of 81%. In contrast, March exhibits a similar minimum temperature but has a slightly lower average of 14°C (58°F) and a maximum that remains constant at 20°C (67°F). However, it experiences more rainfall, with 74 mm (2.9 in) over about 7 days, and a decrease in humidity to 71%. For more detailed information, you can check Quarteira weather in March.

When comparing the weather in December and April, we see some notable similarities and differences. Both months have a minimum temperature around 9°C, with average temperatures hovering between 15°C and 15°C. However, April tends to be slightly warmer, featuring a maximum temperature of 21°C compared to December's 20°C. Precipitation is also a factor; December experiences about 47 mm over five days, while April sees 54 mm spread across ten days, indicating a bit more frequent rainfall. Additionally, April's humidity level of 69% is significantly lower than December's 81%, contributing to a more comfortable feel during the spring month. For more detailed weather insights, check out Quarteira weather in April.

December weather tends to be cooler and wetter compared to May. With average temperatures ranging from a minimum of 9°C (48°F) to a maximum of 20°C (68°F), December experiences a higher humidity at 81% and about 47 mm (1.9 in) of precipitation over five days. In contrast, May offers a more pleasant climate with average temperatures ranging from 11°C (52°F) to 25°C (78°F), significantly lower humidity at 69%, and only 16 mm (0.6 in) of precipitation across three days. For a detailed look at what to expect, check out Quarteira weather in May.

December weather is characterized by cooler temperatures, with a minimum of 9°C (48°F) and an average of 15°C (58°F), peaking at a maximum of 20°C (68°F). The month sees around 47 mm (1.9 in) of precipitation over approximately 5 days, accompanied by higher humidity at 81%. In contrast, June brings warmer conditions, with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 30°C (86°F), averaging 20°C (68°F). Precipitation drops significantly to just 4 mm (0.1 in) over 1 day, and humidity decreases to a more comfortable 67%. For more detailed information, check out Quarteira weather in June.

When comparing the weather in December and July, it becomes evident that July is significantly warmer and drier. December features mild temperatures, with averages around 15°C (58°F) and a maximum of 20°C (68°F), while July boasts higher temperatures, averaging 22°C (72°F) and peaking at 30°C (86°F). Additionally, December experiences more precipitation, with 47 mm (1.9 in) falling over five days, whereas July is typically dry, recording only 2 mm (0.1 in) over the entire month. The humidity in December is higher at 81%, compared to July's more comfortable 69%. For a detailed look at July weather, check out Quarteira weather in July.

December and August present strikingly different weather conditions. In December, temperatures range from a mild 9°C (48°F) at night to a pleasant average of 15°C (58°F) during the day, peaking at 20°C (68°F). This month also experiences significant humidity at 81% and receives about 47 mm (1.9 in) of precipitation over five days, making it a relatively wetter time of year. In contrast, August boasts much warmer temperatures, with minimums of 17°C (63°F), averaging 23°C (73°F), and reaching highs of 31°C (89°F). Notably, August is almost completely dry, seeing only 1 mm (0.0 in) of precipitation across the month, with an average humidity of 68%. For more details on the weather in August, you can visit Quarteira weather in August.

The weather in December is notably cooler compared to September, with average temperatures ranging from a minimum of 9°C (48°F) to a maximum of 20°C (68°F). In contrast, September enjoys warmer conditions, with average temperatures between 15°C (60°F) and 28°C (82°F). December also tends to be wetter, with about 47 mm (1.9 in) of precipitation over five days, while September sees significantly less rain, averaging only 11 mm (0.4 in) over just one day. Additionally, the humidity levels in December are higher at 81%, compared to 71% in September, making the latter feel more comfortable overall. For more detailed information, check out Quarteira weather in September.

When comparing the weather in December to that of October, we notice distinct differences in temperature and precipitation. December experiences cooler temperatures, with a minimum of 9°C and an average of 15°C, declining from October's higher average of 20°C and maximum of 27°C. Additionally, December sees more rainfall, averaging 47 mm over five days, compared to October's 28 mm over just three days. Humidity levels are slightly higher in December at 81%, while October maintains a lower average humidity of 75%. For detailed weather insights, you can check the Quarteira weather in October.

In comparing the weather of December to November, we see that both months feature similar minimum temperatures, with December slightly cooler at 9°C (48°F). However, November boasts a higher average temperature of 16°C (62°F) and a maximum of 22°C (71°F), making it feel a bit warmer overall. December experiences a decrease in precipitation, totaling 47 mm (1.9 in) over 5 days, compared to November's 56 mm (2.2 in) spread across 7 days. Interestingly, December also has a higher humidity level at 81%, compared to November's 78%. For a detailed look at November's weather patterns, check out Quarteira weather in November.

Compare Quarteira's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Quarteira

In December, Quarteira experiences a notable shift in its weather patterns, characterized by cooler temperatures and increased humidity. While daytime highs can reach a pleasant 20°C, the average temperature hovers around a mild 15°C, offering a charming respite from the heat of summer. With an average of 47 mm of rain spread over approximately five days, visitors may encounter occasional showers that enhance the lush landscape. This month's elevated humidity of 81% adds a different texture to the coastal air, making for a refreshing experience. For a deeper dive into the unique weather conditions of Quarteira throughout the year, be sure to check out Quarteira Climate.