December Weather in Cadafais, Portugal

Last updated: February 24, 2025

December in Cadafais, Portugal offers a delightful mix of cool and mild weather, with daytime temperatures peaking at a comfortable 20°C (68°F) and averaging around 12°C (54°F). As winter settles in, the mercury can dip to a chilly 1°C (34°F) during the night. Expect approximately 60 mm (2.4 in) of rainfall over 8 days, resulting in a humid atmosphere with levels averaging 85%. This combination of mild temperatures and sporadic showers creates a serene backdrop, ideal for enjoying the peaceful winter scenery that Cadafais has to offer.

December Temperature in Cadafais

In Cadafais, Portugal, December welcomes the onset of winter with a gentle chill, featuring minimum temperatures around 1°C (34°F), while the averages hover around 12°C (54°F). With maximum temperatures reaching up to 20°C (68°F), the month offers a mild respite amidst the cooler season. This trend marks a significant drop from the warmer months, as temperatures gradually decrease from the sultry heights of summer. December's climate is characterized by its refreshing cooler air, making it a perfect time for cozy gatherings and appreciating the serene beauty of the region. As the year concludes, Cadafais balances crisp evenings with pleasant daytime warmth, inviting both locals and visitors to embrace its winter charm.

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

The chart illustrates December temperature patterns in Cadafais, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec505456596467707170655753
Data source: Temperature data for Cadafais 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 Cadafais

In Cadafais, Portugal, December marks a notable transition in precipitation patterns, capturing the essence of the winter months. With an average rainfall of 60 mm (2.4 in) over 8 rainy days, December continues the trend of increased precipitation seen in the preceding months. This amount is slightly lighter than November’s 84 mm (3.3 in) but significantly higher compared to the dry summers, where July and August see minimal rainfall. As autumn gives way to winter, the consistency of moisture not only enhances the region's lush greenery but also sets the stage for the forthcoming year, emphasizing Cadafais' rich natural beauty as it enters the heart of its rainy season.

December Precipitation Trends in Cadafais

The chart displays monthly precipitation patterns in Cadafais, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3752738442125429478460
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Cadafais

In Cadafais, Portugal, December ushers in a return to heightened humidity levels, peaking at 85%, reminiscent of the brisk start of the year. As the winter months settle in, humidity experiences a gentle ebb and flow; starting high at 85% in January, it gradually dips to a comfortable 60% between July and August. However, as the festive season approaches, moisture levels rebound, climbing back significantly in November and December. This trend illustrates the region's cyclical nature, where winter's chill brings a renewed sense of humidity, setting a cozy backdrop for the holiday spirit.

December Average Humidity in Cadafais

This chart illustrates the average monthly humidity levels in Cadafais, 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%75%72%70%70%63%60%60%68%74%83%85%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Cadafais

As December rolls into Cadafais, Portugal, the UV Index settles back to a moderate level of 3, mirroring the gentle start of the year. This decrease in intensity follows a summer peak where June reached an extreme Index of 11, prompting a significant reduction in recommended exposure times to just 10 minutes. Throughout late spring and summer months, visitors faced very high levels, particularly in May and July when burn times dipped to a mere 15 minutes. As autumn approached, the UV Index gradually declined, culminating in November's moderate 4 before settling back to the familiar 3 in December, which allows for up to 30 minutes of sun exposure. This trend highlights the seasonal ebb and flow of UV radiation, making it essential for sun seekers to adjust their precautions accordingly. For more detailed insights, check out Cadafais UV Index.

Maximum UV Index Levels in Cadafais for December

The chart shows the monthly maximum UV Index (UVI) for Cadafais 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.
JanFebMarAprMayJunJulAugSepOctNovDec356910111098643
Data source: Cadafais 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 Cadafais

Nestled in the picturesque landscapes of Cadafais, Portugal, December experiences a gentle drop in sunshine, offering 218 hours of radiant daylight. While this is a decrease from the vibrant peak of 420 hours in July, it’s a continuation of a generally declining trend from the summer months, reflecting the transition into winter. Notably, the sunny days of December still promise a delightful charm, contrasting with the earlier months like March and April, which boast over 300 hours of sunlight. As the year draws to a close, Cadafais presents a serene atmosphere, inviting visitors to enjoy the milder weather and the fading glow of the sun as it sets on another year of abundant light.

Monthly Sunshine Duration in Cadafais: December Highlighted

The December sunshine duration represents the total number of hours Cadafais 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.
JanFebMarAprMayJunJulAugSepOctNovDec181h228h306h352h408h409h420h395h349h312h232h218h
Data source: Cadafais December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Cadafais During December

In December, the likelihood of enjoying sunny weather in Cadafais, Portugal dips to 38%, a notable decline as the year wraps up. This reduction follows a trend of fluctuating sunshine probabilities throughout the months. After experiencing a peak in sunshine during the summer, with July and August displaying impressive chances of 73% and 74% respectively, the outlook gradually shifts as fall approaches. While November offers a healthier 67%, the onset of winter seems to usher in cloudier skies, making December one of the less favorable months for sun seekers. Despite this decline, the early winter charm of Cadafais still has its own allure, inviting visitors to explore its natural beauty alongside a rare sunny day.

Percentage of Sunny Days in December in Cadafais

The chart illustrates the percentage of sunny days in Cadafais 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 Cadafais experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec46%21%59%35%54%63%74%74%58%53%67%38%
Data source: Cadafais December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Cadafais in December

In Cadafais, Portugal, the rhythm of daylight evolves throughout the year, creating a beautiful tableau of changing seasons. December, with its 9 hours of daylight, marks the start of winter, echoing the shorter days seen in January and November. As the year progresses from the starkness of winter into the vibrant spring, daylight steadily increases, peaking at an impressive 14 hours during the summer months of May, June, and July. This steady climb is followed by a gentle descent as autumn sets in, with daylight slipping back to 12 hours by September and tapering down to 11 hours in October. The cyclical nature of light in Cadafais not only punctuates the passage of time but also enhances the beauty of the Portuguese landscape throughout the year.

Average Daylight Hours in Cadafais for December

The chart illustrates the variation in daylight duration in Cadafais throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 46m10h 44m11h 58m13h 14m14h 18m14h 50m14h 33m13h 36m12h 23m11h 8m10h 1m9h 28m
Data source: Cadafais daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Cadafais

In Cadafais, Portugal, December brings a gentle hint of breeziness with an average wind speed of 3.9 m/s (9 mph), reflecting a notable trend of increasing winds as the year draws to a close. The wind patterns showcase a gradual rise during the warmer months, peaking in July at 4.7 m/s (11 mph), before tapering off in the fall. Interestingly, December's winds are slightly stronger than those in both October and November, indicating a lively transition into winter. This refreshing gustiness adds a vibrant touch to the coastal atmosphere, making Cadafais a charming destination even in the colder months.

Average December Wind Speed in Cadafais

The chart displays monthly wind speed patterns in Cadafais, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.73.93.32.74.34.34.74.23.43.23.33.9 m/s
Data source: Cadafais December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Cadafais Compares to Other Months

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

In December, temperatures range from a chilly 1°C (34°F) to a comfortable maximum of 20°C (68°F), with an average of 12°C (54°F). The month experiences around 60 mm (2.4 in) of precipitation over approximately 8 days, maintaining a high humidity level of 85%. In contrast, January sees slightly cooler temperatures, with a minimum of -2°C (29°F) and an average of 10°C (50°F), while the maximum remains consistent at 20°C (69°F). Precipitation decreases to 37 mm (1.4 in) spread over just 5 days, yet humidity remains steady at 85%. For more detailed insights on January's climate, you can visit Cadafais weather in January.

December and February exhibit similar minimum temperatures, both starting at around 1°C (34°F). However, February tends to be warmer, boasting a higher maximum temperature of 25°C (77°F) compared to December's max of 20°C (68°F). Precipitation levels are relatively close, with December receiving 60 mm (2.4 in) over 8 days and February experiencing slightly less at 52 mm (2.1 in) across 7 days. Additionally, February's lower humidity of 75% offers a drier feel compared to December's more humid 85%. For more detailed information, you can check out Cadafais weather in February.

In December, the weather typically features cooler temperatures, with a minimum of 1°C (34°F) and an average of 12°C (54°F), while the maximum can reach up to 20°C (68°F). The month also sees about 60 mm (2.4 in) of precipitation over approximately 8 days, accompanied by high humidity levels at around 85%. In contrast, March experiences slightly warmer temperatures, with a minimum of 4°C (39°F) and an average of 13°C (56°F), peaking at a maximum of 27°C (81°F). Additionally, March has higher precipitation at 73 mm (2.9 in) over the same number of days, but the humidity is lower at 72%. For a detailed look at what to expect in March, visit Cadafais weather in March.

In December, the weather is cool with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 20°C (68°F), and an average of 12°C (54°F). The month sees around 60 mm (2.4 in) of precipitation over about 8 days, accompanied by relatively high humidity at 85%. In contrast, April brings milder temperatures, with a minimum of 5°C (42°F) and a peak of 29°C (85°F), averaging 15°C (59°F). Although rain is more frequent in April—occurring on about 13 days and totaling 83 mm (3.3 in)—the humidity is notably lower at 70%. For a detailed look at the weather conditions in April, you can visit Cadafais weather in April.

In December, the weather tends to be cooler with temperatures ranging from a chilly minimum of 1°C (34°F) to a mild maximum of 20°C (68°F), and an average temperature of 12°C (54°F). The month also sees about 60 mm (2.4 in) of precipitation over roughly 8 rainy days, coupled with a high humidity level of 85%. In contrast, May brings significantly warmer conditions, with temperatures starting at a minimum of 8°C (46°F) and peaking at an impressive 36°C (97°F), averaging around 18°C (65°F). The month is drier, with only 42 mm (1.6 in) of rainfall over about 5 days and a reduced humidity of 70%. For a closer look at the weather during this vibrant month, check out Cadafais weather in May.

In December, the weather is relatively cool, with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 20°C (68°F), and an average of 12°C (54°F). This month experiences quite a bit of precipitation, with 60 mm (2.4 in) falling over eight days, and the humidity remains high at 85%. In contrast, June brings a significant increase in warmth, with temperatures ranging from a minimum of 11°C (51°F) to soaring highs of 41°C (106°F) and an average of 19°C (67°F). Rainfall is much less frequent in June, totaling only 12 mm (0.5 in) over four days, and the humidity is lower at 63%. For a closer look at June's weather, check out Cadafais weather in June.

December and July present contrasting weather patterns, showcasing a significant variation in temperature and precipitation. In December, temperatures range from a chilly minimum of 1°C (34°F) to a pleasant average of 12°C (54°F), peaking at 20°C (68°F). The month experiences around 60 mm (2.4 in) of precipitation, with rain falling on about 8 days, contributing to higher humidity levels at 85%. In stark contrast, July boasts much warmer weather, with temperatures starting at a minimum of 13°C (56°F) and averaging 21°C (71°F), reaching highs of 39°C (103°F). This summer month sees minimal precipitation of only 5 mm (0.2 in), typically over just 1 day, and a lower humidity of 60%. For more specific details on July's weather, you can visit Cadafais weather in July.

The weather in December is markedly cooler and wetter compared to August. In December, temperatures range from a chilly 1°C (34°F) at night to a mild 20°C (68°F) during the day, with average temperatures around 12°C (54°F). The month also sees significant rainfall, averaging 60 mm over about 8 days, accompanied by high humidity levels of 85%. In contrast, August offers a much warmer experience, with temperatures ranging from a minimum of 14°C (57°F) to a scorching maximum of 43°C (110°F), and an average of 22°C (72°F). Precipitation is minimal in August, totaling just 4 mm over 1 day and featuring a lower humidity level of 60%. For more details, visit Cadafais weather in August.

In comparing the weather between December and September, it is evident that September typically offers warmer and sunnier conditions. September experiences average temperatures ranging from a minimum of 11°C (52°F) to a maximum of 36°C (96°F), while December's temperatures hover between 1°C (34°F) and 20°C (68°F), making it noticeably cooler. Additionally, September has significantly less precipitation, with only 29 mm (1.1 in) over about 3 days, compared to December’s 60 mm (2.4 in) over 8 days, indicating a wetter month. The humidity levels also reflect this difference, with September at 67% and December at a much higher 85%. For a more detailed look at September conditions, you can refer to Cadafais weather in September.

In comparing the weather between December and October, December tends to be much cooler, with average temperatures ranging from a minimum of 1°C (34°F) to a maximum of 20°C (68°F), while October boasts warmer averages, with temperatures from a minimum of 7°C (46°F) to a maximum of 34°C (94°F). Additionally, December experiences more frequent precipitation over 8 days, accumulating 60 mm (2.4 in), whereas October sees less rain, with only 47 mm (1.9 in) across 5 days. Humidity levels are also higher in December at 85%, compared to October’s 74%. For more insights on October's climate, you can check out Cadafais weather in October.

In comparing the weather between November and December, December tends to be cooler and slightly more humid. The minimum temperature in December drops to 1°C (34°F) compared to November's warmer minimum of 5°C (41°F). While December's average temperature is 12°C (54°F), November remains milder at an average of 14°C (57°F). There’s also a noticeable difference in maximum temperatures, with December reaching a high of 20°C (68°F) contrasted against November's maximum of 25°C (76°F). Precipitation in December totals 60 mm (2.4 in) over 8 days, which is less than November's 84 mm (3.3 in) over 11 days. For a more detailed look at November weather, you can check Cadafais weather in November.

Compare Cadafais's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Cadafais

As December wraps Cadafais in its cool embrace, the weather distinctly contrasts with the warmer months, offering a refreshing break from the usual heat. While temperatures remain relatively mild, the increased humidity and precipitation mark a shift towards a more wintery atmosphere. With around eight days of rain totaling 60 mm, the landscapes become vividly lush, providing a striking backdrop for leisurely winter walks. For those yearning to understand how December's climate shapes the charm of Cadafais, explore more at Cadafais Climate.