December Weather in Ericeira, Portugal

Last updated: February 24, 2025

Experience the charm of Ericeira, Portugal in December, where temperatures typically range from a comfortable 9°C (48°F) to a pleasant 17°C (63°F). The average daily temperature hovers around 14°C (58°F), providing a cool yet inviting atmosphere for visitors. Prepare for occasional rain, as the region receives about 82 mm (3.2 in) of precipitation over 11 days throughout the month. With a notable humidity level of 85%, the coastal air adds to the refreshing ambiance, making December a unique time to explore Ericeira’s scenic beauty and vibrant culture.

December Temperature in Ericeira

In December, Ericeira experiences a cool yet mild climate, with temperatures ranging from a minimum of 9°C (48°F) to a comfortable average of 14°C (58°F), peaking at 17°C (63°F). As the month unfolds, the weather reflects a gentle transition into winter, with temperatures showing a gradual decline from the milder late autumn months. Compared to the previous November, where the maximum was 20°C (67°F), December’s cooler highs hint at the onset of the colder season. Despite this dip, the conditions remain relatively pleasant, making it an attractive time for visitors seeking a quieter, less crowded experience by the coast. The blend of crisp air and scenic beauty creates a unique charm, allowing for leisurely strolls along Ericeira's stunning beaches and vibrant streets.

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

The chart illustrates December temperature patterns in Ericeira, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec555656576062646464635957
Data source: Temperature data for Ericeira 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 Ericeira

In December, Ericeira experiences a notable shift in precipitation, with 82 mm (3.2 in) of rain falling over approximately 11 days. This marks a consistent trend from the previous month, where November's rainfall peaked at 99 mm (3.9 in) across 12 days, signaling the onset of the wet winter season. Compared to the drier summer months of June and July, which saw minimal rainfall, December serves as a reminder of the region's seasonal variations. As temperatures decline, the frequent showers not only replenish the local ecosystem but also bring a refreshing change to the coastal atmosphere, making it a captivating time to experience Ericeira's rugged beauty amidst the rain.

December Precipitation Trends in Ericeira

The chart displays monthly precipitation patterns in Ericeira, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4863697739166632639982
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Ericeira

In Ericeira, Portugal, December brings a notable 85% humidity, matching January's high levels and indicating a trend of increased moisture during the colder months. Following a gradual decline from a humid 75% in February to a low of 60% during the summer months of July and August, the humidity begins to rise again in the autumn. November attains a significant 83%, paving the way for December’s return to winter saturation. This pattern highlights a distinct seasonal cycle, where the warmth of summer fosters drier conditions, only to cede to the more humid and cooler air of winter, enveloping Ericeira in a cozy, moisture-laden embrace as the year closes.

December Average Humidity in Ericeira

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

In Ericeira, Portugal, the UV Index in December marks a return to the moderate levels seen at the beginning of the year, with a UV Index of 3 and a burn time of 30 minutes. This gradual decline from the intense summer months—peaking at 11 in June—highlights an overall trend of decreasing UV exposure as the year winds down. While December's conditions are much safer than the extreme levels reached earlier, it's still important to remain vigilant about sun protection, especially during the midday hours. As a rule of thumb, always check regional forecasts for real-time updates on the UV Index to stay informed. For more detailed information, visit Ericeira UV Index.

Maximum UV Index Levels in Ericeira for December

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

December in Ericeira, Portugal, offers a gentler transition into winter, with 221 hours of sunshine illuminating the coastal town. As the year winds down, daylight hours begin to diminish, reflecting a trend of decreasing sunlight from the vibrant 406 hours in May to December's softer embrace. Despite this decline, the remaining sunshine brings a unique charm to Ericeira, contrasting the bustling summer months where peak brightness occurs, such as 420 hours in July. It’s a time when the scenic beauty of the coastline can be enjoyed with fewer crowds, making December a serene escape. The holiday spirit, combined with the milder weather, ensures that Ericeira remains a captivating destination even as the sun takes a brief retreat.

Monthly Sunshine Duration in Ericeira: December Highlighted

The December sunshine duration represents the total number of hours Ericeira 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.
JanFebMarAprMayJunJulAugSepOctNovDec183h231h309h351h406h408h420h395h349h312h236h221h
Data source: Ericeira December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Ericeira During December

In Ericeira, Portugal, December typically ushers in a cooler climate, with the chances of sunny weather dropping to 38%. This marks a significant decline from the sunnier months of July and August, which boast probabilities over 60%. The trend throughout the year reveals a peak in sunshine during the summer, gradually tapering off as winter approaches. November sees a moderate 63% chance of sun, suggesting a fleeting farewell to the bright days, before December settles into a more overcast demeanor. While December may not promise abundant sunshine, its relatively mild weather continues to attract visitors seeking a winter escape.

Percentage of Sunny Days in December in Ericeira

The chart illustrates the percentage of sunny days in Ericeira 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 Ericeira experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec45%24%59%39%53%61%64%61%63%54%63%38%
Data source: Ericeira December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Ericeira in December

In Ericeira, Portugal, daylight duration ebbs and flows throughout the year, creating a fascinating rhythm that mirrors the changing seasons. As the year begins, January and December share a commonality with just 9 hours of daylight, signaling the quiet restfulness of winter. As winter yields to spring, daylight gradually increases, reaching 11 hours in March and blossoming into 13 hours by April. The peak of summer shines in June, July, and August, where daylight stretches to an impressive 14 hours, inviting longer days for outdoor exploration and enjoyment. As autumn sets in, daylight begins to retreat, gently tapering to 12 hours in September and further diminishing to 10 hours in November. This cyclical transformation not only enchants residents and visitors alike but also beautifully encapsulates the essence of Ericeira’s seasonal charm.

Average Daylight Hours in Ericeira for December

The chart illustrates the variation in daylight duration in Ericeira throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 45m10h 44m11h 58m13h 14m14h 18m14h 50m14h 33m13h 36m12h 23m11h 7m10h 1m9h 28m
Data source: Ericeira daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Ericeira

In December, the winds in Ericeira, Portugal continue to dance gracefully along the coast, averaging 6.8 m/s (15 mph). This slight decrease from the earlier months of November and July reflects a seasonal pattern, as wind speeds tend to taper off from their summer highs. Interestingly, the incoming year begins with similar winds, hinting at a consistent atmospheric rhythm. Overall, from the bustling breezes of January to the mellow currents of April, December remains lively yet gentle, offering a perfect backdrop for both outdoor enthusiasts and those seeking peaceful winter retreats by the sea.

Average December Wind Speed in Ericeira

The chart displays monthly wind speed patterns in Ericeira, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6.97.05.94.87.07.06.76.05.45.06.56.8 m/s
Data source: Ericeira December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Ericeira Compares to Other Months

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

December and January exhibit relatively mild winter weather, but there are notable differences between the two months. In December, temperatures range from a minimum of 9°C (48°F) to a maximum of 17°C (63°F), with an average of 14°C (58°F). The month is characterized by higher precipitation, totaling 82 mm (3.2 in) over 11 days, contributing to a slightly damp atmosphere with consistent humidity at 85%.

In contrast, January sees a slight drop in temperatures, with a minimum of 7°C (45°F) and an average of 13°C (55°F), while the maximum reaches 18°C (64°F). Precipitation decreases significantly to 48 mm (1.9 in) over just 7 days, offering a drier start to the year, though humidity remains at 85%.

For more information on January weather, you can check out Ericeira weather in January.

December and February in Ericeira exhibit similar temperature ranges, with both months experiencing a minimum of 9°C (48°F) and a maximum of 17°C (63°F). However, December sees a slightly higher average temperature of 14°C (58°F) compared to February's average of 13°C (56°F). Precipitation is greater in December at 82 mm (3.2 in) over 11 days, whereas February has less rain, totaling 63 mm (2.5 in) over 9 days. Additionally, the humidity levels are notably higher in December at 85%, contrasting with the more comfortable 75% humidity observed in February. For a detailed look at February's weather, visit Ericeira weather in February.

In December, Ericeira experiences a mild climate with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 17°C (63°F), averaging around 14°C (58°F). This month sees an average of 82 mm (3.2 in) of precipitation over approximately 11 days, accompanied by a high humidity level of 85%. In contrast, March offers slightly warmer weather, with temperatures varying from 9°C (48°F) to 19°C (66°F) and an average of 13°C (56°F). Precipitation decreases to 69 mm (2.7 in) over 9 days, and humidity drops to 72%, making March generally drier and more comfortable. For more detailed insights on March weather, you can explore Ericeira weather in March.

When comparing the weather in December and April, both months exhibit similar average temperatures, hovering around 14°C (58°F). However, December tends to be cooler at its maximum temperature of 17°C (63°F), while April can reach a warmer high of 21°C (69°F). Moreover, December sees slightly more precipitation, with 82 mm (3.2 in) over 11 days, compared to April's 77 mm (3.0 in) over 12 days. Additionally, December is characterized by higher humidity levels at 85%, while April offers a more comfortable 70% humidity. For a detailed overview of the weather during April, you can check out Ericeira weather in April.

In December, the weather is generally cooler and wetter, with temperatures ranging from a low of 9°C (48°F) to a high of 17°C (63°F). The month sees about 82 mm (3.2 in) of precipitation spread over approximately 11 days, accompanied by a high humidity level of 85%. In contrast, May brings warmer conditions, with temperatures varying from a minimum of 11°C (52°F) to a maximum of 24°C (76°F). Precipitation decreases significantly to 39 mm (1.5 in) over just 4 days, and humidity drops to a more comfortable 70%. This shift from the damp chill of December to the warmer, drier May provides a notable transformation in the climate. For specific details about the weather during May, you can visit Ericeira weather in May.

In December, Ericeira experiences cooler temperatures, with an average ranging from 9°C (48°F) to a maximum of 17°C (63°F). The month is also marked by higher humidity at 85% and significant precipitation, averaging 82 mm (3.2 in) over about 11 days. In contrast, June brings milder weather, with temperatures ranging from a minimum of 14°C (58°F) to a maximum of 21°C (71°F). This month enjoys considerably less rainfall, with only 16 mm (0.6 in) falling over just 4 days and a decrease in humidity to 63%. For more detailed information, you can check Ericeira weather in June.

In December, Ericeira experiences cooler temperatures, with a minimum of 9°C (48°F) and an average of 14°C (58°F), while July brings warmer conditions with minimums around 15°C (60°F) and an average of 18°C (64°F). Precipitation also varies significantly between the two months; December sees about 82 mm (3.2 in) over 11 days, making it a much wetter season, whereas July enjoys a much drier climate with only 6 mm (0.2 in) of precipitation and no rainy days. Additionally, December's humidity is notably higher at 85%, compared to July's 60%, creating a distinct contrast in weather between the two months. For more details on July weather patterns, check out Ericeira weather in July.

In December, Ericeira experiences cooler temperatures, with a minimum of 9°C (48°F) and an average of 14°C (58°F), compared to the warmer August, where temperatures range from a minimum of 16°C (61°F) to an average of 18°C (64°F). The winter month also sees significantly more precipitation, with 82 mm (3.2 in) over 11 days, whereas August boasts just 6 mm (0.2 in) of rainfall spread over a single day. Additionally, humidity levels are notably higher in December at 85%, contrasting with the more comfortable 60% humidity typically found in August. For more details on the summer conditions, check out Ericeira weather in August.

When comparing December and September weather, there is a notable contrast in both temperature and precipitation. In December, temperatures range from a minimum of 9°C (48°F) to a maximum of 17°C (63°F), with an average of 14°C (58°F). The month experiences higher precipitation levels, averaging 82 mm (3.2 in) over 11 days and a humidity of 85%. In contrast, September boasts warmer temperatures with a minimum of 15°C (59°F) and a maximum of 24°C (75°F), averaging around 18°C (65°F). Rainfall is significantly lower in September, totaling just 32 mm (1.3 in) across about 2 days, and the humidity is more comfortable at 67%. For more detailed information, you can check Ericeira weather in September.

In December, the weather tends to be cooler with average temperatures ranging from a minimum of 9°C (48°F) to a maximum of 17°C (63°F), compared to October, which enjoys milder conditions with temperatures from a minimum of 11°C (51°F) to a pleasant maximum of 24°C (75°F). While October experiences less precipitation at 63 mm (2.5 in) over just 6 days, December sees an increase in rainfall, totaling 82 mm (3.2 in) spread across 11 days. Additionally, December's humidity is higher at 85%, contrasting with October's more comfortable humidity level of 74%. For more details on October's weather, you can check Ericeira weather in October.

In comparing the weather of December to November, we see a slight drop in temperatures. December's minimum temperature is 9°C (48°F), while November starts at a warmer 11°C (52°F). The average temperatures in both months are close, with December averaging 14°C (58°F) versus November's 15°C (60°F). December experiences a maximum temperature of 17°C (63°F), which is lower than November's peak of 20°C (67°F). Precipitation is also somewhat reduced in December with 82 mm (3.2 in) over 11 days, compared to November's 99 mm (3.9 in) over 12 days. Humidity remains similar, with December at 85% and November slightly lower at 83%. For more detailed insight, you can visit Ericeira weather in November.

Compare Ericeira's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Ericeira

December in Ericeira brings a refreshing chill, with temperatures noticeably lower than the preceding months, offering a cozy contrast to the warmer autumn. While maximum daytime temperatures hover around a mild 17°C, the evenings can be quite cool, dipping down to 9°C. This month also marks a shift in weather patterns, with increased precipitation and humidity, creating a more moist atmosphere that sets the stage for lush, green landscapes. Rainfall occurs on about 11 days, contributing to the region’s vibrant scenery. For those seeking a quieter getaway before the holiday rush, December provides a unique charm, making it an intriguing time to explore the coastal beauty of Ericeira. For more detailed insights, visit Ericeira Climate.