December Weather in Silves, Portugal

Last updated: February 24, 2025

December in Silves, Portugal is characterized by a mild climate, with maximum temperatures reaching up to 22°C (71°F) and an average of 12°C (54°F). Visitors can expect a minimum temperature of 0°C (33°F), perfect for those seeking a brisk winter experience. The month brings moderate precipitation, totaling 45 mm (1.8 in) over approximately 6 days, maintaining the region’s lush greenery. With an average humidity of 81%, the air can feel quite refreshing, making it an ideal time for outdoor exploration amidst the historic charm of Silves.

December Temperature in Silves

In Silves, Portugal, December ushers in a slight chill as temperatures begin to dip, with minimums around 0°C (33°F) and averages hovering at 12°C (54°F). While the days are cooler compared to the preceding months, the maximum temperature can still reach a pleasant 22°C (71°F), making it possible to enjoy outdoor activities under the crisp winter sun. This transitional month signals a shift from the warmth of autumn, yet the climate remains relatively mild, ensuring that visitors can still explore the area's rich history and stunning landscapes comfortably. As the year winds down, Silves offers a perfect blend of tranquility and charm, inviting all to embrace its unique winter allure.

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

The chart illustrates December temperature patterns in Silves, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec505456596669737572665854
Data source: Temperature data for Silves 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 Silves

In Silves, Portugal, December sees a notable uptick in precipitation, with an average of 45 mm (1.8 in) over 6 days of rain. As the year closes, this period reflects a transitional shift from the drier summer months, where rainfall plummeted to as low as 1 mm in August. Comparatively, December’s precipitation indicates a significant increase from both the drier months and the preceding November, which received 49 mm (1.9 in) across 7 days. This trend showcases the region's characteristic winter wetness, positioning December as a month where nature revitalizes after the parched summer, setting the stage for a vibrant spring ahead.

December Precipitation Trends in Silves

The chart displays monthly precipitation patterns in Silves, 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.
JanFebMarAprMayJunJulAugSepOctNovDec24447865238318325045
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Silves

In December, Silves, Portugal experiences a noticeable increase in humidity, reaching 81%, making it one of the most humid months of the year. This uptick marks a shift from the relatively lower humidity levels observed in the previous summer months, where June and July peaked at only 67% and 69%, respectively. As the year progresses into the winter months, a gradual rise in humidity is evident, culminating in December's elevated levels. This trend reflects the region's shift towards a more moist climate, likely influenced by cooler temperatures and increased rainfall, which are characteristic of the season. The transition from November's 78% to December's peak illustrates how Silves embraces the damp chill of winter, offering a distinct change in its atmospheric conditions.

December Average Humidity in Silves

This chart illustrates the average monthly humidity levels in Silves, 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 Silves

In Silves, Portugal, December brings a moderate UV Index of 3, suggesting that while sun exposure is generally safe, some caution is still advisable over extended periods. As the year draws to a close, the sun's intensity gradually decreases, a trend that started in the autumn months with November's UV Index at 4. This decline contrasts sharply with the summer's peak, where UV levels soared to 11 in June, indicating extreme conditions. Overall, the data highlights a seasonal pattern: UV levels peak during the summer months, necessitating more vigilance, while winter months like December offer a reprieve with lower UV exposure. For those planning to enjoy the outdoors even in winter, it's wise to stay informed about the daily UV conditions. To learn more, visit Silves UV Index.

Maximum UV Index Levels in Silves for December

The chart shows the monthly maximum UV Index (UVI) for Silves 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: Silves 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 Silves

In December, Silves, Portugal enjoys a delightful 244 hours of sunshine, reflecting a warm embrace of light as the year comes to a close. This month, while lesser than the vibrant summer highs of 425 hours in July and 410 hours in May, still offers a comforting glow compared to the cooler months of November and January. The gradual decline in daylight from the summer peaks is evident, but December's sunshine continues to outshine both January's 202 hours and November's 249 hours, ensuring that visitors and locals alike can bask in the beauty of Silves as they step into the new year. The trends highlight not just a seasonal rhythm, but also the charm of a Mediterranean winter where even the shorter days can be filled with warmth and light.

Monthly Sunshine Duration in Silves: December Highlighted

The December sunshine duration represents the total number of hours Silves 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.
JanFebMarAprMayJunJulAugSepOctNovDec202h248h308h359h410h412h425h397h351h323h249h244h
Data source: Silves December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Silves During December

In Silves, Portugal, the chances of sunny weather in December stand at 44%, reflecting a notable dip compared to the peak summer months. As we transition from the vibrant days of summer, where July and August bask in the sun with probabilities of 87% and 84% respectively, December brings a more modest outlook. Interestingly, while it doesn't reach the sunny heights of May's 65% or November’s 72%, December maintains a consistent presence of sun amidst the milder winter climate. With rainfall increasing and daylight hours waning, visitors can still find moments of brightness, though they should be prepared for the cooler and less predictable weather typical of late autumn in the region.

Percentage of Sunny Days in December in Silves

The chart illustrates the percentage of sunny days in Silves 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 Silves experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec44%23%59%38%65%76%87%84%65%58%72%44%
Data source: Silves December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Silves in December

In Silves, Portugal, December marks the return of shorter days, with daylight lasting approximately 9 hours. This trend reflects the gradual decline in sunlight hours that begins in the summer months, peaking at 14 hours in June and July, before steadily decreasing into winter. As the year progresses, daylight diminishes month by month, with only slight increases during February and March, when it reaches 10 and 11 hours respectively. By the time December arrives, the landscape transforms into a tranquil scene, characterized by lingering longer nights that usher in the spirit of the season. The rhythmic pattern of daylight variation throughout the year offers residents and visitors alike a unique opportunity to appreciate both the warmth of summer's abundance and the cozy charm of winter's embrace.

Average Daylight Hours in Silves for December

The chart illustrates the variation in daylight duration in Silves 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 9m9h 38m
Data source: Silves daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Silves

In December, the wind in Silves, Portugal picks up its pace, with an average speed of 4.1 m/s (9 mph), matching the liveliness of early summer months like July. This noteworthy breeze offers a refreshing contrast to the generally milder winds seen in the cusp of the year, particularly November, which recorded a gentler 3.3 m/s (7 mph). Throughout the year, the wind speeds reveal a subtle trend: while the seasons fluctuate, the late autumn and winter months often see a slight uptick in wind intensity, enveloping Silves in a bracing atmosphere just in time for the holiday spirit. As the year draws to a close, the invigorating December winds symbolize a natural transition, promising invigorating outings and cozy moments by the fireplace, making it a delightful time to experience the charm of this historic town.

Average December Wind Speed in Silves

The chart displays monthly wind speed patterns in Silves, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.53.93.43.24.13.94.33.73.23.23.34.1 m/s
Data source: Silves December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Silves Compares to Other Months

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

In December, the weather is generally milder, with average temperatures ranging from a minimum of 0°C (33°F) to a maximum of 22°C (71°F), and a total precipitation of 45 mm (1.8 in) spread over about 6 days. The humidity levels are relatively high at 81%. In contrast, January experiences slightly cooler temperatures, with a minimum of -2°C (29°F) and an average of 10°C (51°F), but the maximum temperature remains close at 21°C (70°F). Additionally, January sees less rainfall, with only 24 mm (0.9 in) over approximately 3 days, and a humidity level that is only marginally lower at 80%. To learn more about the climate specifics for January, check out Silves weather in January.

In December, temperatures range from a minimum of 0°C (33°F) to a pleasant maximum of 22°C (71°F), with an average of 12°C (54°F). The month experiences about 45 mm (1.8 in) of precipitation over roughly 6 days and maintains a higher humidity level of 81%. Conversely, February shows a slight increase in both the minimum and maximum temperatures, with a minimum of 1°C (34°F) and a maximum of 24°C (76°F), while averaging the same 12°C (55°F). Precipitation decreases slightly to 44 mm (1.7 in) over just 5 days, and humidity drops to a more comfortable 73%. For more specific details on February conditions, you can visit Silves weather in February.

December and March present distinct weather patterns, reflecting the transition from winter to spring. In December, temperatures range from a minimum of 0°C (33°F) to a maximum of 22°C (71°F), with an average of 12°C (54°F). The month sees about 45 mm (1.8 in) of precipitation over six days, and humidity remains relatively high at 81%. In contrast, March offers milder conditions, with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 27°C (81°F), averaging around 14°C (57°F). However, it experiences more rainfall, totaling 78 mm (3.1 in) over nine days, and a lower humidity of 71%. For a deeper look at the specific climate during this time, visit Silves weather in March.

December and April present distinct weather patterns, reflecting the transition from winter to spring. In December, temperatures range from a chilly 0°C (33°F) at night to a mild average of 12°C (54°F) during the day, with highs reaching up to 22°C (71°F). The month sees about 45 mm (1.8 in) of precipitation over approximately 6 days and experiences a high humidity of 81%. In contrast, April brings warmer weather, with minimum temperatures of 6°C (44°F) and average daytime temperatures of 15°C (60°F), peaking at a comfortable 29°C (84°F). Rainfall increases to 65 mm (2.5 in) across roughly 11 days, though humidity decreases to 69%. For a deeper look at conditions during April, you can check the link: Silves weather in April.

December and May showcase contrasting weather patterns. In December, temperatures range from a chilly 0°C (33°F) to a mild 22°C (71°F), with an average of 12°C (54°F). The month sees approximately 45 mm (1.8 in) of precipitation spread over 6 days and features a high humidity level of 81%, creating a damp atmosphere. In stark contrast, May experiences warmer temperatures, with a minimum of 7°C (45°F) and a maximum reaching 34°C (93°F), averaging 19°C (66°F). Precipitation decreases significantly to 23 mm (0.9 in) over just 4 days, and humidity levels drop to a more comfortable 69%. For a detailed look at May weather, check out Silves weather in May.

In December, the weather is notably cooler, with temperatures ranging from a minimum of 0°C (33°F) to a maximum of 22°C (71°F), and an average temperature of 12°C (54°F). This month also sees higher humidity at 81% and more frequent precipitation, totaling 45 mm over six days. In contrast, June experiences much warmer conditions, with temperatures varying from a minimum of 11°C (52°F) to a scorching maximum of 40°C (105°F) and an average of 21°C (69°F). The humidity drops to 67%, and rainfall is significantly less, at only 8 mm over three days. For an in-depth look at June weather specifics, visit Silves weather in June.

In December, the weather is much cooler, with temperatures ranging from a chilly 0°C (33°F) to a comfortable 22°C (71°F), averaging around 12°C (54°F). The month sees about 45 mm (1.8 in) of precipitation over approximately 6 days, and a relatively high humidity level of 81%. In contrast, July boasts significantly warmer conditions, with temperatures starting at a minimum of 12°C (55°F) and soaring up to a scorching 39°C (103°F), with an average of about 23°C (74°F). Precipitation is minimal in July, totaling just 3 mm (0.1 in) over a single day, and the humidity drops to 69%. For more details on the weather in July, check out Silves weather in July.

In December, temperatures are quite cool, ranging from a minimum of 0°C (33°F) to a maximum of 22°C (71°F), with an average of 12°C (54°F). The month experiences moderate precipitation, totaling 45 mm (1.8 in) over approximately six days, and exhibits a high humidity level of 81%. In contrast, August brings significantly warmer temperatures, with a minimum of 14°C (57°F) and a maximum soaring to 43°C (110°F), averaging around 24°C (75°F). August sees very little precipitation, with only 1 mm (0.0 in) and no rainy days, along with a slightly lower humidity of 68%. For more detailed information about August weather, you can visit Silves weather in August.

In December, the weather tends to be cooler, with temperatures ranging from a minimum of 0°C (33°F) to a maximum of 22°C (71°F), and an average of 12°C (54°F). This month experiences more precipitation, averaging around 45 mm (1.8 in) over six days, with a higher humidity level of 81%. In contrast, September is warmer, with a temperature range from a minimum of 11°C (52°F) to a scorching maximum of 37°C (98°F), and an average temperature of 22°C (73°F). Additionally, September is much drier, receiving only about 8 mm (0.3 in) of precipitation on just one day, along with a lower humidity level of 71%. For those interested in exploring more about the weather specifics in September, you can check out Silves weather in September.

In comparing the weather of December and October, December experiences cooler temperatures with an average of 12°C (54°F), while October is generally warmer, boasting an average of 19°C (67°F). The minimum temperature in December dips to 0°C (33°F), quite a contrast to October’s milder minimum of 8°C (46°F). Precipitation is slightly higher in December at 45 mm (1.8 in) over about six days, compared to October’s 32 mm (1.2 in) across four days. Additionally, humidity is notably higher in December at 81%, compared to October’s 75%. For more detailed insights on October weather, you can visit Silves weather in October.

In December, the weather is characterized by cooler temperatures compared to November, with a minimum of 0°C (33°F) and an average of 12°C (54°F), whereas November sees slightly warmer conditions with a minimum of 4°C (40°F) and an average of 14°C (58°F). The maximum temperatures also decline, reaching 22°C (71°F) in December, compared to 25°C (76°F) in November. Precipitation remains similar between the two months, with December receiving 45 mm (1.8 in) over 6 days and November slightly wetter with 49 mm (1.9 in) over 7 days. Additionally, December experiences a higher humidity level at 81%, compared to November’s 78%. For a more detailed overview, you can check Silves weather in November.

Compare Silves's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Silves

As December settles in Silves, the weather brings a delightful shift, contrasting sharply with the warmer months. With an average temperature of 12°C and a maximum that barely reaches 22°C, visitors can expect cooler, crisp days perfect for exploring the town's rich history. While there are occasional rain showers contributing to 45 mm of precipitation over about 6 days, the air feels refreshingly humid at 81%. This blend of mild temperatures and light rain creates a unique charm, making December an enchanting time to experience the beauty of Silves. For more insights into the weather patterns throughout the year, visit Silves Climate.