Last updated: February 24, 2025
December in Angra do Heroísmo, Portugal offers a mild maritime climate, with average temperatures hovering around 17°C (63°F). Visitors can expect daily highs reaching up to 20°C (68°F), and cooler nights dipping to a comfortable 12°C (54°F). This month, however, brings significant precipitation, totaling 121 mm (4.8 in) over approximately 13 days, contributing to a notable humidity level of 85%. With its lush landscapes nourished by the rain, Angra do Heroísmo provides a charming backdrop for exploring its rich history and natural beauty, perfect for those who appreciate a softer, more tranquil winter experience.
In December, Angra do Heroísmo experiences a mild transition into winter, with temperatures ranging from a comfortable 12°C (54°F) at night to a pleasant 20°C (68°F) during the day. The month sees an average temperature of 17°C (63°F), which is slightly cooler compared to the previous months but still retains a cozy charm that invites both locals and visitors to explore the vibrant streets and stunning coastal views. As the year wraps up, the temperatures gently trend downward from the lighter warmth of autumn, yet remain markedly moderate, providing a delightful backdrop for enjoying seasonal festivities and the rich cultural heritage of the Azores.
In December, Angra do Heroísmo experiences its peak precipitation, with a notable 121 mm (4.8 in) of rainfall spread across approximately 13 days. This marks a clear upward trend from the preceding months, particularly following November's 107 mm and serving as a stark contrast to the drier summer months, where July recorded only 22 mm. The increase in precipitation not only reflects the transition into winter but also contributes to the lush greenery that characterizes the Azorean landscape. As temperatures fall, the consistent rainfall enhances the region's natural beauty, making December a moody yet captivating time to experience Angra do Heroísmo.
In December, Angra do Heroísmo experiences a notable humidity level of 85%, marking an upward trend as the year draws to a close. This increase is in line with the higher humidity levels observed during the summer months, particularly July, which peaks at 86%. As the seasons shift, the humidity starts to dip in the latter part of the year, reaching its lowest point in October at 79%. However, December stands out with its return to a more humid state, closely reminiscent of the consistent 84% levels seen during the spring and early fall months. This seasonal pattern underscores a moderate coastal climate, where humidity remains a defining characteristic throughout the year.
In December, Angra do Heroísmo experiences a UV Index of 3, categorizing exposure as moderate and suggesting a burn time of 30 minutes. This is part of a gradual decline in UV intensity observed as the year comes to a close. Following the peak months of June and July, where the UV Index soared to 11 and then settled at 10, December marks a return to lower levels of sun exposure. Overall, the trend throughout the year highlights the importance of sun protection, especially during the very high and extreme categories from April to August. As the cooler months approach, residents and visitors can enjoy the sun with less risk, particularly in December. For more details, check the comprehensive Angra do Heroismo UV Index.
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In December, Angra do Heroísmo enjoys a gentle embrace of 194 hours of sunshine, marking a calm transition into winter. This month continues a downward trend in sunlight as the year draws to a close; however, it still offers significantly more brightness compared to the earlier winter months. Following a peak in the sun-drenched days of July with 380 hours, the subsequent months showcase a notable decline, yet December's warmth and radiant afternoons provide a cozy atmosphere amid the festive season. This characteristic blend of mild temperatures and sunny spells, particularly in the lead-up to the New Year, makes Angra do Heroísmo an inviting escape for those seeking a bit of sunshine in the otherwise colder months.
In Angra do Heroísmo, Portugal, the likelihood of sunny weather in December marks an intriguing trend within the year. With a 30% chance of sunshine, December maintains a moderate potential for clear skies, aligning closely with the sunnier months of April and November. As the year unfolds, the probability peaks during the summer months of July and August, reaching 50% chance of sun, while the winter months, including December, offer a refreshing respite from the bleakness typically associated with colder seasons. Overall, December’s sunshine probability reflects a gradual decline from the summer highs, but it still offers a pleasant escape for those seeking a bit of warmth and brightness as the year comes to a close.
As the year comes to a close in Angra do Heroísmo, Portugal, daylight duration reaches a low of just 9 hours in December, mirroring the brief luminosity of January. The trend throughout the year showcases a gradual increase in daylight as spring approaches, with March offering 11 hours and peaking in the summer months, where the island basks in a generous 14 hours of light from May to July. As autumn sets in, daylight begins to wane, dropping back to 10 hours in November before hitting December's minimum. This cyclical pattern not only defines the rhythm of daily life but also highlights the unique charm of Angra do Heroísmo's seasonal transitions.
As December sweeps into Angra do Heroísmo, the winds begin to pick up, with an average speed of 8.9 m/s (20 mph), making it one of the brisker months of the year. This slight increase from November's 8.4 m/s (19 mph) signals the start of a trend where wind speeds generally rise during the colder months after reaching their lower point in June, with just 4.8 m/s (11 mph). Throughout the year, a noteworthy fluctuation can be observed: while the winds are gentler during the summer months, they gain momentum as autumn approaches, culminating in the invigorating breezes of late fall and early winter. Thus, December embodies a transition, where the winds guide both locals and visitors to embrace the season’s spirited charm.
The weather in Angra do Heroismo 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 Angra do Heroismo and find detailed weather information for every month.
December and January experience relatively mild weather, with only slight variations in temperature. In December, temperatures range from a minimum of 12°C (54°F) to a maximum of 20°C (68°F), with an average temperature of 17°C (63°F). This month sees significant rainfall, totaling 121 mm (4.8 in) over approximately 13 days, and a high humidity level of 85%. In contrast, January tends to be a bit cooler, with temperatures ranging from 11°C (52°F) to 19°C (66°F) and an average of 16°C (61°F). Rainfall decreases to 78 mm (3.1 in) spread over 11 days, and the humidity is slightly lower at 84%. For more specific insights on January weather, you can check Angra do Heroismo weather in January.
In comparing the weather between December and February, we see some notable differences. December's 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). In contrast, February experiences slightly cooler temperatures, with a minimum of 10°C (51°F) and a maximum of 18°C (65°F), averaging 15°C (59°F). Precipitation is higher in December as well, totaling 121 mm (4.8 in) over 13 days, while February sees 77 mm (3.0 in) of rain over the same number of days. Humidity levels are similar, averaging 85% in December and 83% in February. For more specific insights on February weather in this region, you can check Angra do Heroismo weather in February.
In comparison to December, March typically presents a slightly cooler atmosphere, with average temperatures dropping from 17°C (63°F) in December to 15°C (59°F) in March. The maximum temperatures also see a decrease, from 20°C (68°F) in December to 18°C (64°F) in March. Additionally, precipitation levels are significantly lower in March, with only 49 mm (1.9 in) over 9 days, compared to December's 121 mm (4.8 in) over 13 days. Humidity remains relatively stable between the two months, with December at 85% and March slightly lower at 84%. For more detailed weather information, you can check out Angra do Heroismo weather in March.
When comparing the weather in December and April, we see that December tends to be slightly warmer, with average temperatures ranging from a minimum of 12°C (54°F) to a maximum of 20°C (68°F), while April’s temperatures range from 10°C (51°F) to 18°C (64°F). Precipitation is notably higher in December, with 121 mm (4.8 in) over 13 days compared to April’s 76 mm (3.0 in) over the same number of days. Humidity levels are quite similar in both months, hovering around 85% in December and 84% in April. For a closer look at April weather, you can check out Angra do Heroismo weather in April.
In December, the weather is relatively mild 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). However, it is also quite wet, with 121 mm (4.8 in) of precipitation over 13 days, resulting in a high humidity of 85%. In contrast, May sees slightly cooler temperatures with an average of 16°C (62°F) and a maximum of 19°C (67°F), while the minimum remains the same at 12°C (53°F). The precipitation significantly decreases to 54 mm (2.1 in) over just 8 days, contributing to a lower humidity of 83%. For more detailed insights on the weather during this month, check Angra do Heroismo weather in May.
When comparing the weather in December and June, one can observe distinct differences in temperature and precipitation patterns. December experiences a milder range of temperatures, with minimums around 12°C (54°F) and maximums reaching 20°C (68°F), while June is slightly warmer, with minimum temperatures of 15°C (58°F) and highs of 22°C (72°F). Notably, December sees higher precipitation, averaging 121 mm (4.8 in) over 13 days, compared to June's 43 mm (1.7 in) spread over just 6 days. Despite these differences, humidity remains relatively constant, with December at 85% and June at 84%. For more detailed insights, you can check out Angra do Heroismo weather in June.
When comparing the weather in December and July, a notable shift in temperature and precipitation patterns emerges. December experiences milder temperatures, with a minimum of 12°C (54°F) and an average of 17°C (63°F), while July boasts warmer averages with a minimum of 18°C (65°F) and an average of 21°C (70°F). Precipitation in December is significantly higher at 121 mm (4.8 in) over 13 days, compared to July's much drier conditions with only 22 mm (0.8 in) falling across just 3 days. Interestingly, humidity levels remain relatively similar, with December at 85% and July slightly higher at 86%. For those looking for specific details about July weather, check out Angra do Heroismo weather in July.
Comparing the weather in December and August reveals distinct seasonal differences. In December, temperatures are milder, with a minimum of 12°C (54°F) and an average of around 17°C (63°F), while August enjoys warmer conditions, with a minimum of 19°C (66°F) and an average of 22°C (72°F). Precipitation also varies significantly; December experiences more rain, with 121 mm (4.8 in) over 13 days, compared to August's gentler 47 mm (1.9 in) spread over just 8 days. Additionally, humidity levels are slightly higher in December at 85%, compared to 82% in August. For more insights on August weather conditions, check out Angra do Heroismo weather in August.
In December, the weather in Angra do Heroísmo is generally cooler than in September, with minimum temperatures dropping to 12°C (54°F) compared to September's minimum of 19°C (66°F). The average temperature in December is 17°C (63°F), while in September, it reaches a warmer average of 22°C (71°F). Additionally, December experiences significantly higher precipitation, totaling 121 mm (4.8 in) over about 13 days, contrasted with September's more manageable 45 mm (1.8 in) over 10 days. Humidity levels remain fairly high in both months, but December is slightly more humid at 85% compared to September's 82%. For more detailed information, you can check Angra do Heroismo weather in September.
In comparing the weather of December and October, it's clear that December is cooler and wetter. The average temperature in December hovers around 17°C (63°F), with minimums dipping to 12°C (54°F), while October enjoys a slightly warmer average of 20°C (69°F) with a minimum of 15°C (58°F). Additionally, December experiences more rainfall, totaling 121 mm (4.8 in) over 13 days, compared to October's 83 mm (3.3 in) over 12 days. Humidity levels are also higher in December at 85%, compared to 79% in October. For more specifics on October weather, you can check out Angra do Heroismo weather in October.
In comparing the weather between December and November, December offers slightly cooler temperatures, with a minimum of 12°C (54°F) and an average of 17°C (63°F), compared to November's minimum of 13°C (55°F) and average of 18°C (65°F). Precipitation increases in December, with 121 mm (4.8 in) falling over 13 days, while November sees slightly less rain at 107 mm (4.2 in) over 14 days. Additionally, December is marked by higher humidity levels at 85%, compared to November's 80%. For more details on November weather, you can visit Angra do Heroismo weather in November.
As December unfolds in Angra do Heroismo, the weather presents a distinctive shift from the milder months that precede it. With temperatures averaging around 17°C (63°F), the chill sets in, making it cooler than late autumn. Rainfall becomes more frequent, with a notable increase in precipitation days, resulting in a wetter atmosphere that can feel quite humid at 85%. This month typically brings about 121 mm of rain, encouraging the lush landscapes to thrive, while also inviting warmth in cozy indoor settings. Whether you’re seeking the beauty of its vibrant scenes or the charm of its festive spirit, December's atmospheric embrace contrasts with the preceding months, making it a unique time to experience Angra do Heroismo. For further insights, visit Angra do Heroismo Climate.