December Weather in Santo Antao, Portugal

Last updated: February 24, 2025

Discover the captivating December weather of Santo Antão, Portugal, where mild temperatures create a serene atmosphere for visitors. With a maximum temperature reaching 20°C (68°F) and an average of 17°C (63°F), the island offers a comfortable climate for outdoor exploration. The minimum temperature drops to a cozy 12°C (54°F), perfect for cool evenings. December is also characterized by 116 mm (4.6 in) of rainfall over approximately 14 days, resulting in lush landscapes and vibrant greenery. Expect high humidity levels at 85%, adding to the refreshing coastal experience. Embrace the charm of Santo Antão this December, where nature thrives and adventures await!

December Temperature in Santo Antao

In December, Santo Antão, Portugal, experiences mild temperatures that mark the transition into winter. With minimums around 12°C (54°F) and a comfortable average of 17°C (63°F), the island remains pleasantly warm compared to harsher winter climates. Daytime highs can reach up to 20°C (68°F), suggesting that while the temperatures drop slightly compared to the previous months, they still offer a welcoming environment for visitors. This month sees a continuation of the overall trend of gradual cooling from the summer's heights, yet it retains a charming warmth that makes Santo Antão an inviting destination even in the cooler months.

December Weather in Santo Antao: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Santo Antao, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec615959606266707271696563
Data source: Temperature data for Santo Antao 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 Santo Antao

In December, Santo Antao experiences significant rainfall, with 116 mm (4.6 in) of precipitation recorded over 14 days, making it one of the wettest months of the year. This uptick in rainfall follows a notably wet November, which recorded 123 mm (4.8 in) over a similar number of days. Interestingly, December's precipitation marks a continuation of the trend seen throughout the latter part of the year, where monthly totals consistently hover above the 70 mm mark starting from October. As the island transitions into winter, these elevated levels of precipitation contribute to the lush landscapes that define Santo Antao, creating a vibrant backdrop as the year comes to a close.

December Precipitation Trends in Santo Antao

The chart displays monthly precipitation patterns in Santo Antao, 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.
JanFebMarAprMayJunJulAugSepOctNovDec84724771544120504376123116
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Santo Antao

In December, Santo Antão experiences a notable humidity level of 85%, keeping it consistent with the slightly elevated humidity noted throughout the summer and autumn months. This month’s humidity is part of a broader trend where levels fluctuate, peaking at 86% in July. Interestingly, the humidity remains relatively stable, hovering between 83% and 86% for most of the year, suggesting a subtle but persistent maritime influence. As the year closes, December's conditions mirror those seen in late spring and early summer, making this island a lush and vibrant destination even in the cooler months.

December Average Humidity in Santo Antao

This chart illustrates the average monthly humidity levels in Santo Antao, 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 Santo Antao

In Santo Antao, Portugal, the UV Index trends throughout the year reveal a definite seasonal pattern in sun exposure. The year kicks off with a moderate UV Index of 3 in January, which gradually climbs to a high of 11 in June, indicating extreme sun conditions where a mere 10 minutes of exposure can lead to burns. Following June, the index slightly decreases but remains very high until September, reflecting the region's intense summer sun. As the year transitions into the cooler months, the UV Index drops back down to 4 in November and returns to 3 in December, creating a safer environment for sun seekers as burn times return to a comfortable 30 minutes. Understanding these trends is crucial for enjoying the beautiful landscapes while staying safe under the sun. For more detailed information, visit Santo Antao UV Index.

Maximum UV Index Levels in Santo Antao for December

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

In December, Santo Antao, Portugal, experiences a modest 201 hours of sunshine, marking a gentle dip as the year draws to a close. This decrease is a part of a larger downward trend from the summer months, which boast impressive sunshine totals, peaking in July with 386 hours. As autumn ushers in cooler temperatures, the sunlight gradually wanes, reflecting the island's seasonal rhythms. Despite this decline, December’s sunshine still shines bright compared to the early winter months, making it a charming time for visitors to enjoy the mild weather and beautiful landscapes bathed in the soft glow of the sun.

Monthly Sunshine Duration in Santo Antao: December Highlighted

The December sunshine duration represents the total number of hours Santo Antao 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.
JanFebMarAprMayJunJulAugSepOctNovDec153h210h265h295h339h356h386h362h321h272h209h201h
Data source: Santo Antao December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Santo Antao During December

December in Santo Antão, Portugal, offers a modest 27% chance of sunny weather, reflecting a subtle dip as the year winds down. As we trace the seasonal transition, it’s clear that the island enjoys its sunniest days during the summer months, peaking in August with a striking 51% chance. Following this peak, the probability of sunshine gradually declines, with November showing a notable 25%. This trend suggests that while December may not boast the brightest skies, it still holds a glimmer of hope for sun-seekers, indicating a robust opportunity to bask in the rare warm rays amidst the cooler winter backdrop.

Percentage of Sunny Days in December in Santo Antao

The chart illustrates the percentage of sunny days in Santo Antao 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 Santo Antao experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec22%28%26%31%32%44%45%51%43%36%25%28%
Data source: Santo Antao December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Santo Antao in December

As the year winds down, December in Santo Antão, Portugal, brings a return to shorter days with only 9 hours of daylight. This reduction in sunlight follows a gradual ascent from the 10 hours in November and mirrors the early days of the year when daylight is similarly brief. The months leading up to December showcase a steady increase in daylight, peaking in May through July with 14 hours, before gracefully tapering off as autumn sets in. This cyclical pattern highlights the natural rhythm of the seasons, where the island basks in abundance of light during the summer months, only to retreat into a cozy embrace of shorter days as winter approaches.

Average Daylight Hours in Santo Antao for December

The chart illustrates the variation in daylight duration in Santo Antao 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: Santo Antao daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Santo Antao

In Santo Antão, Portugal, December marks a notable shift in wind dynamics as the average wind speed reaches 9.0 m/s (20 mph). This increase follows a gradual uptrend from November's 8.4 m/s (19 mph), hinting at the approaching intensity of winter breezes. The year begins with its highest winds in January and February, averaging around 10.4 m/s (23 mph) and 11.1 m/s (25 mph), respectively. However, as spring approaches, wind speeds dip significantly, reaching their lowest in June, where the air is a gentle 4.7 m/s (11 mph). The months leading up to December experience fluctuating winds, but what remains consistent is a noticeable resurgence as the year closes out. This trend reflects the vibrant interplay of seasonal shifts, making December a time of refreshing gusts that invigorate the island.

Average December Wind Speed in Santo Antao

The chart displays monthly wind speed patterns in Santo Antao, 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.
JanFebMarAprMayJunJulAugSepOctNovDec10.411.16.77.96.64.76.36.26.36.58.49.0 m/s
Data source: Santo Antao December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Santo Antao Compares to Other Months

The weather in Santo Antao 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 Santo Antao and find detailed weather information for every month.

In December, the weather features a warm minimum temperature of 12°C (54°F) and an average temperature of 17°C (63°F), peaking at 20°C (68°F). However, it also brings notable precipitation, totaling 116 mm (4.6 inches) over 14 days, with a humidity level at 85%. In contrast, January sees slightly cooler temperatures, with a minimum of 12°C (53°F), an average of 16°C (61°F), and a maximum of 19°C (66°F). Precipitation is also reduced to 84 mm (3.3 inches) over 10 days, and humidity remains similar at 84%. For more details, you can check out Santo Antao weather in January.

In comparing the weather between December and February, 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). In contrast, February sees cooler temperatures, with a minimum of 10°C (50°F) and a maximum of 18°C (65°F). December is also wetter, experiencing 116 mm (4.6 in) of precipitation across 14 days, while February has significantly less, with 72 mm (2.8 in) over 13 days. The humidity remains relatively similar, with December at 85% and February slightly lower at 83%. For a detailed look at February weather, you can visit Santo Antao weather in February.

In December, the weather is generally warmer with an average temperature of 17°C (63°F) and a maximum of 20°C (68°F), although it experiences higher precipitation at 116 mm (4.6 in) over 14 days, contributing to a humid environment with 85% humidity. In contrast, March sees slightly cooler temperatures, with an average of 15°C (59°F) and a maximum of 18°C (65°F), but significantly less rainfall at 47 mm (1.8 in) over just 9 days, while still maintaining the same humidity level of 85%. For more detailed information on the weather patterns during this month, you can check Santo Antao weather in March.

When comparing the weather in December and April, we find that both months share high humidity levels at 85%. 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). The month is quite rainy, with 116 mm (4.6 in) of precipitation spread over 14 days. In contrast, April has slightly cooler temperatures, with a minimum of 10°C (50°F), an average of 15°C (60°F), and a maximum of 18°C (65°F). Additionally, April experiences less rainfall, totaling 71 mm (2.8 in) over 12 days. For a more detailed look at April weather, you can refer to Santo Antao weather in April.

When comparing the weather in December and May, we see some notable similarities and differences. Both months have a minimum temperature of around 12°C (54°F) and an average of 17°C (63°F), with maximum temperatures reaching 20°C (68°F). However, December tends to be wetter, receiving 116 mm (4.6 in) of precipitation over 14 days, compared to May’s 54 mm (2.1 in) over just 9 days. Additionally, humidity remains relatively high in both months, with December at 85% and May at 83%. For a more detailed look at the weather conditions, check out Santo Antao weather in May.

In December, the weather tends to be cooler with average temperatures ranging from a minimum of 12°C (54°F) to a maximum of 20°C (68°F). This month also sees significant rainfall, averaging 116 mm (4.6 in) over 14 days and maintaining a high humidity level of 85%. In contrast, June offers a slightly warmer climate, with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 22°C (73°F). Precipitation is considerably lower in June, averaging only 41 mm (1.6 in) over just 5 days, while humidity remains consistent at 85%. For more detailed information on June weather, check out Santo Antao weather in June.

December and July present contrasting weather patterns, showcasing significant differences in temperature and precipitation. December typically sees milder temperatures, with a minimum of 12°C (54°F) and an average of 17°C (63°F), peaking at a maximum of 20°C (68°F). This month also experiences higher precipitation, accumulating 116 mm (4.6 in) over approximately 14 days, alongside a humidity level of 85%. In contrast, July brings warmer conditions with a minimum of 18°C (65°F), an average of 21°C (70°F), and a maximum of 24°C (75°F). Notably, July enjoys much less rainfall, totaling just 19 mm (0.8 in) over about 2 days, with humidity remaining slightly elevated at 86%. For more details, you can check Santo Antao weather in July.

In December, the weather is notably cooler, featuring a minimum temperature of 12°C (54°F) and an average of 17°C (63°F), while the maximum reaches 20°C (68°F). This month also experiences higher precipitation, with 116 mm (4.6 in) over 14 days and a humidity level of 85%. In contrast, August offers warmer conditions, with minimum temperatures of 19°C (67°F) and an average of 22°C (73°F), peaking at 24°C (76°F). Precipitation is less frequent during this month, totaling 50 mm (2.0 in) across 9 days and a slightly lower humidity of 83%. For more details on seasonal conditions, you can check Santo Antao weather in August.

In comparing the weather between December and September, it’s clear that September enjoys warmer temperatures, with minimums reaching 19°C (66°F) and averages around 22°C (72°F), while December sees lower temperatures, with a minimum of 12°C (54°F) and an average of 17°C (63°F). Precipitation also differs significantly; December experiences more rainfall with 116 mm (4.6 in) over 14 days, compared to September's relatively drier atmosphere, which has only 43 mm (1.7 in) over 10 days. Humidity levels are quite similar, at 85% in December and 83% in September, making for a humid feel year-round. For a closer look at September weather specifics, you can refer to Santo Antao weather in September.

When comparing the weather in December and October, December tends to be cooler overall, with average temperatures ranging from a minimum of 12°C (54°F) to a maximum of 20°C (68°F), whereas October enjoys slightly warmer conditions with a minimum of 14°C (58°F) and a maximum of 24°C (76°F). Additionally, December experiences more precipitation, measuring 116 mm (4.6 in) over 14 days, compared to October's 76 mm (3.0 in) across 12 days. The humidity in December is also higher at 85%, compared to 79% in October, contributing to a more damp atmosphere. For a more detailed overview of October weather, consider visiting Santo Antao weather in October.

When comparing the weather in December and November, December tends to have 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). The maximum temperatures also reflect this trend, as December peaks at 20°C (68°F), while November reaches up to 22°C (72°F). Precipitation levels are fairly close, with December experiencing 116 mm (4.6 in) over 14 days, while November has a slightly higher total of 123 mm (4.8 in) across 13 days. Notably, December's humidity is a bit higher at 85%, compared to November's 80%. For more detailed insights, you can check out Santo Antao weather in November.

Compare Santo Antao's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Santo Antao

December on Santo Antão presents a distinct charm, marked by cooler temperatures and higher humidity compared to other months. As the island transitions into winter, visitors can expect relatively mild days, but the increase in precipitation—spanning about two weeks—adds a refreshing element to the lush landscape. This month’s weather invites travelers to embrace the cozy atmosphere while exploring the vibrant natural beauty, making it a unique time to visit. For a deeper understanding of Santo Antão's climate nuances throughout the year, explore Santo Antao Climate.