December Weather in Ribeira Grande, Portugal

Last updated: February 24, 2025

December in Ribeira Grande, Portugal, offers a delightful yet moody blend of mild temperatures and frequent rainfall. With maximum temperatures reaching 20°C (68°F) and an average of 17°C (63°F), this month provides a comfortable atmosphere for visitors. The minimum temperature dips to around 12°C (54°F), making warm attire advisable for evenings. Rainfall is noticeable, with 108 mm (4.3 in) spread across approximately 14 days, contributing to the lush landscape that the Azores are known for. Coupled with an average humidity of 85%, December creates an enchanting environment, ideal for cozy gatherings and exploring the breathtaking scenery of this beautiful region.

December Temperature in Ribeira Grande

In Ribeira Grande, Portugal, December ushers in a mild winter warmth that reflects its temperate climate. With temperatures ranging from a minimum of 12°C (54°F) to a maximum of 20°C (68°F), the average settles comfortably at 17°C (63°F). This slight dip from the balmy conditions of late autumn showcases a trend towards cooler, yet still inviting, weather as the year draws to a close. While not as warm as the summer months, December maintains a pleasant ambiance, perfect for exploring the charming landscapes and experiencing the local festive spirit. The transition into winter is gentle, reminding visitors that Ribeira Grande's climate remains significantly milder compared to many other regions during this season.

December Weather in Ribeira Grande: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Ribeira Grande, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec615959606266707272696563
Data source: Temperature data for Ribeira Grande 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 Ribeira Grande

December in Ribeira Grande, Portugal, concludes the year with a notable surge in precipitation, recording 108 mm (4.3 in) over 14 days. This marked increase follows November's even heavier rainfall of 124 mm (4.9 in) across 15 days, highlighting a wetter end to the year. As the seasons shift, the consistently high levels of precipitation in the final two months reveal a clear trend towards a more humid climate during winter. With December's rainfall still significantly above the summer lows, it's evident that this coastal region experiences a dramatic change, paving the way for the lush landscapes that define Ribeira Grande in the following spring.

December Precipitation Trends in Ribeira Grande

The chart displays monthly precipitation patterns in Ribeira Grande, 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.
JanFebMarAprMayJunJulAugSepOctNovDec91796375633827585774124108
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Ribeira Grande

In Ribeira Grande, Portugal, December brings a notable humidity level of 85%, aligning it closely with the higher averages seen throughout the warmer months. This consistent humidity trend reveals that the region experiences relatively elevated moisture levels year-round, especially during the summer with peaks reaching 86% in July. The month-to-month variations are minimal, showcasing a stable climate where the humidity remains charmingly high, particularly from March to June. As the year draws to a close, the slight dip in humidity during the autumn months, particularly in October at 79%, adds a refreshing contrast before the winter humidity settles back in, crafting an inviting seaside ambiance for residents and visitors alike.

December Average Humidity in Ribeira Grande

This chart illustrates the average monthly humidity levels in Ribeira Grande, 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.
JanFebMarAprMayJunJulAugSepOctNovDec84%83%85%85%83%85%86%83%83%79%80%85%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Ribeira Grande

In December, the UV Index in Ribeira Grande, Portugal, returns to a moderate level of 3, similar to the measurements recorded in January. This seasonal dip indicates a lower intensity of UV rays, allowing for a burn time of 30 minutes under direct sunlight without significant risk. Following the high and extreme levels experienced from late spring through summer, the winter months offer a more gentle exposure, encouraging outdoor activities without the heightened concerns of sunburn that characterized the previous months. As the year wraps up, it's a great time to enjoy the milder sunlight while keeping in mind the necessary precautions. For detailed insights on UV levels throughout the year, including December, visit Ribeira Grande UV Index.

Maximum UV Index Levels in Ribeira Grande for December

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

As the year draws to a close, December in Ribeira Grande, Portugal, offers a charming embrace of 200 hours of sunshine. This month marks a gentle transition from the vibrant luminosity of summer, peaking in July with an impressive 388 hours, to the cooler, darker days of winter. While December's daylight is notably less than the sun-soaked May and June, it's a substantial contrast to the dim, cloudy days of January. This trend illustrates Ribeira Grande's capacity to deliver warmth and light even during the winter months, making December a delightful destination for those seeking a glimpse of sunshine amidst their holiday festivities.

Monthly Sunshine Duration in Ribeira Grande: December Highlighted

The December sunshine duration represents the total number of hours Ribeira Grande 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.
JanFebMarAprMayJunJulAugSepOctNovDec153h211h263h292h335h356h388h362h319h276h207h200h
Data source: Ribeira Grande December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Ribeira Grande During December

In Ribeira Grande, Portugal, December heralds the arrival of cooler days and a modest 25% chance of sunny weather. As the year closes out, the likelihood of sunshine dips slightly compared to the more vibrant summer months, with June, July, and August boasting the highest probabilities at 45% and above. This trend reflects a gradual decrease in sunny days from late summer through late fall, culminating in December's relatively muted expectations. While the sunshine may be less frequent, the charm of Ribeira Grande remains, inviting visitors to enjoy its scenic beauty even under a shroud of clouds.

Percentage of Sunny Days in December in Ribeira Grande

The chart illustrates the percentage of sunny days in Ribeira Grande 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 Ribeira Grande experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec21%27%26%28%30%45%45%52%43%38%27%25%
Data source: Ribeira Grande December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Ribeira Grande in December

In Ribeira Grande, Portugal, the rhythm of daylight follows a captivating annual cycle. As the year begins, January and December both offer a brief 9 hours of daylight, marking the darkest months. Progressing into February, daylight gradually increases to 10 hours, paving the way for March's 11 hours as the days lengthen with the approach of spring. The transition continues in April, where the days stretch to a delightful 13 hours, reaching their peak in May, June, and July with a consistent 14 hours of daylight. This abundance of sunlight allows the rich landscapes to flourish, but as summer wanes into August, daylight begins to recede, settling at 13 hours before gradually descending through September and October to 11 hours. Finally, November ushers in a return to darkness with 10 hours, concluding the cycle where both January and December invite the tranquility of longer nights once again. This dynamic interplay of light and darkness shapes the daily life and natural beauty of Ribeira Grande throughout the year.

Average Daylight Hours in Ribeira Grande for December

The chart illustrates the variation in daylight duration in Ribeira Grande throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 48m10h 45m11h 58m13h 13m14h 16m14h 47m14h 31m13h 35m12h 23m11h 8m10h 3m9h 30m
Data source: Ribeira Grande daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Ribeira Grande

As December arrives in Ribeira Grande, Portugal, the wind begins to stir, bringing with it an average speed of 9.3 m/s (21 mph). This marks a slight increase from November's 9.0 m/s (20 mph), suggesting a trend of rejuvenated breeziness as the year draws to a close. The wind patterns over the months reveal an intriguing rhythm; typically, winter months like January and February showcase the highest speeds, while mid-year sees significant calm, with June recording its gentlest gusts at 4.8 m/s (11 mph). This shift from summer's tranquility to the briskness of the later months captures the essence of Ribeira Grande's climatic character, making December a month where nature whispers both the remnants of autumn and the promise of winter's arrival.

Average December Wind Speed in Ribeira Grande

The chart displays monthly wind speed patterns in Ribeira Grande, 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.
JanFebMarAprMayJunJulAugSepOctNovDec10.711.47.28.16.64.86.16.16.46.79.09.3 m/s
Data source: Ribeira Grande December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Ribeira Grande Compares to Other Months

The weather in Ribeira Grande 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 Ribeira Grande and find detailed weather information for every month.

In December, the weather in Ribeira Grande features slightly warmer temperatures, with a minimum of 12°C (54°F), an average of 17°C (63°F), and a maximum of 20°C (68°F). The month sees considerable rainfall, accumulating to 108 mm (4.3 in) over approximately 14 days, along with high humidity at 85%.

In contrast, January experiences a slight drop in average temperature, with values ranging from 12°C (53°F) to 19°C (66°F), and an average of 16°C (61°F). Rainfall is also reduced to 90 mm (3.6 in) over about 12 days, while humidity experiences only a negligible decrease to 84%. For more detailed information, you can check Ribeira Grande weather in January.

In December, the weather tends to be slightly warmer with temperatures ranging from a minimum of 12°C (54°F) to a maximum of 20°C (68°F), and an average of 17°C (63°F). The month also experiences higher precipitation, totaling 108 mm (4.3 in) over about 14 days, accompanied by a humidity level of 85%. In contrast, February features cooler temperatures, with a minimum of 9°C (49°F) and a maximum of 18°C (64°F), averaging 15°C (59°F). Additionally, there is less rainfall in February, with 79 mm (3.1 in) also spread over 14 days, and slightly lower humidity at 83%. For more detailed information, you can refer to Ribeira Grande weather in February.

When comparing the weather in December and March, it is evident that both months experience similar humidity levels, maintaining around 85%. However, December is slightly warmer, with average temperatures ranging from a minimum of 12°C (54°F) to a maximum of 20°C (68°F), compared to March's temperatures of 10°C (51°F) minimum and 18°C (65°F) maximum. Additionally, December tends to be wetter, receiving 108 mm (4.3 in) of precipitation over 14 days, while March sees only 63 mm (2.5 in) of precipitation over 10 days. For more details, you can check out Ribeira Grande weather in March.

When comparing the weather in December and April, one can note several distinctions. December tends to be slightly warmer, with temperatures ranging from a minimum of 12°C (54°F) to a maximum of 20°C (68°F), while April experiences cooler temperatures, with a minimum of 9°C (49°F) and a maximum of 18°C (65°F). Precipitation is more significant in December, totaling 108 mm (4.3 in) compared to April's 75 mm (3.0 in). Despite both months having 14 days of rain, the humidity remains consistently high at 85% in both months. For more detailed insights, you might want to explore Ribeira Grande weather in April.

In comparing the weather of December and May, we see some notable similarities and differences. Both months feature a minimum temperature of around 12°C (54°F), with average temperatures hovering between 17°C (63°F) and 20°C (68°F) for December and slightly lower for May at 17°C (62°F) and 20°C (67°F). However, December experiences higher rainfall, with 108 mm (4.3 in) spread over 14 days compared to May's 63 mm (2.5 in) over 11 days, leading to a slightly more humid atmosphere at 85% in December versus 83% in May. This makes December generally feel wetter, while May is more pleasant with less precipitation. For a closer look at May's climate, check out Ribeira Grande weather in May.

In December, Ribeira Grande experiences milder temperatures, with daily averages around 17°C (63°F) and maximums reaching 20°C (68°F), while the humidity remains high at 85%. This month also sees significant rainfall, accumulating 108 mm (4.3 in) over approximately 14 days. In contrast, June brings slightly warmer conditions, with average temperatures of 19°C (66°F) and maximums of 23°C (73°F). Additionally, June is much drier, with only 38 mm (1.5 in) of precipitation over about 6 days. For more details on the June climate, check out Ribeira Grande weather in June.

In December, the weather is generally cooler, with temperatures ranging from a minimum of 12°C (54°F) to a maximum of 20°C (68°F), and an average temperature of 17°C (63°F). This month also sees more precipitation, with 108 mm (4.3 in) spread over 14 days, resulting in a relatively damp atmosphere and higher humidity of 85%.

In contrast, July boasts warmer temperatures, with a minimum of 18°C (64°F) and a maximum of 24°C (75°F), averaging at 21°C (70°F). It is much drier, receiving only 27 mm (1.1 in) of rainfall over just 5 days, and maintaining a slightly higher humidity level of 86%. For more detailed information, check out Ribeira Grande weather in July.

When comparing the weather in December and August, notable differences emerge. December features cooler temperatures, with an average of 17°C (63°F) and maximums reaching 20°C (68°F), while August enjoys warmer conditions, with averages around 22°C (73°F) and highs of 25°C (77°F). Precipitation is more frequent in December, with about 108 mm (4.3 in) falling over 14 days, in contrast to August, which records only 58 mm (2.3 in) over 9 days. Despite the slightly higher humidity in December at 85%, both months maintain similar humidity levels, with August at 83%. For a more detailed overview, you can check Ribeira Grande weather in August.

December and September present quite distinct weather characteristics. In December, temperatures range from a minimum of 12°C (54°F) to a maximum of 20°C (68°F), with an average of 17°C (63°F). This month experiences higher precipitation, totaling 108 mm (4.3 in) over about 14 days, alongside a humidity level of 85%. In contrast, September enjoys warmer temperatures, with minimums of 19°C (66°F) and maximums reaching 25°C (77°F), averaging 22°C (72°F). Rainfall is significantly less during this month, measuring 57 mm (2.2 in) over approximately 11 days, while humidity sits slightly lower at 83%. For more detailed information, you can check Ribeira Grande weather in September.

In December, the weather is generally cooler than in October, with average temperatures ranging from a minimum of 12°C (54°F) to a maximum of 20°C (68°F), compared to October's milder range of 15°C (59°F) to 25°C (76°F). Additionally, December experiences higher precipitation levels, with 108 mm (4.3 in) of rain over approximately 14 days, while October sees only 74 mm (2.9 in) across about 12 days. The humidity is slightly higher in December at 85%, compared to October's 79%. For more details on weather patterns during this month, you can visit Ribeira Grande weather in October.

In comparing the weather of December and November, we see a slight decrease in temperatures during December, with minimums of 12°C (54°F) compared to November's 14°C (57°F). The average temperature in December is 17°C (63°F), which is slightly cooler than November's average of 18°C (65°F). Although December has slightly less maximum temperature at 20°C (68°F) against November’s 22°C (71°F), it experiences a higher level of precipitation, with 108 mm (4.3 inches) over 14 days versus November's 124 mm (4.9 inches) over 15 days. Humidity levels also rise in December to 85%, compared to 80% in November. For more detailed insights into November's weather, you can check Ribeira Grande weather in November.

Compare Ribeira Grande's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Ribeira Grande

As December rolls into Ribeira Grande, the weather takes on a cooler, more humid character compared to the preceding months. With average temperatures hovering around 17°C (63°F), the chill sets in, especially during the nights, while the likelihood of rain increases, evidenced by the 14 wet days throughout the month and an overall precipitation of 108 mm (4.3 in). This month provides a distinct contrast to the warmer and drier conditions of the late summer and autumn, making it an ideal time for cozy indoor activities or exploring the lush landscapes that thrive in the aftermath of the rain. To dive deeper into the climatic nuances of this picturesque location, be sure to check out Ribeira Grande Climate.