Last updated: February 24, 2025
December in Guimarães, Portugal, showcases a dynamic weather profile as the winter season unfolds. With an average temperature of 9°C (49°F) and maximum readings reaching up to 18°C (65°F), residents experience a refreshing chill, occasionally dipping down to a cool -2°C (28°F) at night. The month is marked by significant rainfall, totaling 257 mm (10.1 in) over approximately 16 days, creating a lush landscape. Coupled with a high humidity level of 87%, the atmosphere can feel brisk and damp, making it a quintessential winter experience in this historic city.
As December settles over Guimarães, Portugal, temperatures begin to dip, marking a shift towards the chillier winter months. With a minimum temperature of -2°C (28°F), the nights can be brisk, inviting cozy evenings indoors. The average temperature hovers around 9°C (49°F), providing a crisp yet manageable climate for those venturing outside to explore the enchanting streets. Daytime highs reach up to 18°C (65°F), offering a pleasant respite from the winter chill, especially for those who enjoy a brisk walk through the historic center adorned in festive decorations. Compared to the preceding months, December signals a notable decline in temperatures, aligning with the seasonal transition and embracing the charm of winter in this picturesque Portuguese city.
In Guimarães, December ushers in a notable peak in precipitation, with an impressive 257 mm (10.1 in) of rain falling over 16 days. This significant increase compared to preceding months highlights December as the wettest time of the year, setting it apart from the drier summer months, where July and August receive less than 30 mm of rain each. The transition from the milder autumn rains in October and November, which see 151 mm and 206 mm respectively, to December’s deluge underscores the shift towards a more intense winter climate. This steady rise in rainfall reflects the region's characteristic wet winters, inviting a vibrant landscape but also requiring preparations for the persistent rain. As the year closes, Guimarães transforms under the heavy, grey skies, illustrating the region's dramatic wet season.
In Guimarães, Portugal, December brings a return to the higher humidity levels characteristic of the winter months, peaking at 87%. As the year progresses, we see a notable decline in humidity from the early months, starting at 87% in January and gradually decreasing to a summer low of 63% in July. However, the humidity begins to rise again towards the end of the year, with November also experiencing elevated levels at 86%. This trend highlights the seasonal fluctuations of Guimarães' climate, illustrating how the humid atmosphere wraps around the city as it transitions from the varying temperatures of autumn back into the chill of winter.
In Guimaraes, Portugal, the UV Index experiences noticeable fluctuations throughout the year. As winter approaches, December brings a low UV Index of 2, allowing for up to 45 minutes of safe sun exposure. This marks a significant drop from the intense sunshine of the summer months, where values soared to extreme levels of 11 in June. The trend reveals a clear seasonal pattern; as the year progresses from moderate February to very high levels in late spring and summer, the sun's intensity then retreats in the fall and winter. For those planning outdoor activities in December, this low exposure category suggests a perfect opportunity to enjoy the outdoors without heavy sun protection. Explore more details on this year's UV patterns at Guimaraes UV Index.
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As December wraps up the year in Guimarães, Portugal, the city experiences a cozy 171 hours of sunshine—a noticeable dip from the sun-drenched heights of summer. While the sparkle of July with its 427 hours shines brightly in comparison, December's daylight still offers a warm embrace, inviting locals and visitors alike to explore its historic charm. The transition from the vibrant 401 hours in May to the milder winter months reveals a gentle ebb in sunlight, yet there's a charming beauty in Guimarães during this time. With each month showcasing a steady crescendo of sunshine leading to July’s peak, December serves as a reminder of the cyclical nature of seasons, where even reduced daylight carries with it the promise of cozy evenings and festive joy. Whether it's the warmth of a winter sun or the glow of holiday lights, Guimarães in December offers its unique brand of magic, creating a festive atmosphere perfectly suited for reflection and celebration.
In Guimarães, Portugal, the likelihood of sunny weather in December is relatively low, with a mere 32% chance of sunshine. This figure is part of a larger trend where the winter months generally see a dip in brightness compared to the sun-soaked summer, which peaks at 69% in August. Notably, December follows a year-end pattern of decreasing sunlight, especially after the moderate 63% in November. As the year winds down, residents and visitors alike can expect shorter, cloudier days, hinting at the seasonal transition that characterizes this charming historic city.
In Guimarães, Portugal, the month of December ushers in shorter days, with daylight lasting just 9 hours, mirroring the earlier months of November and beginning the gradual descent back into winter. This seasonal pattern highlights a clear trend: as the year progresses from the long, sun-drenched days of June—with a peak of 15 hours—the daylight duration diminishes steadily. With January and February following suit at 9 and 10 hours respectively, the town experiences its darkest months just after the winter solstice. As spring approaches, daylight will gradually lengthen again, providing a hopeful contrast to the depths of winter. This rhythmic shift between light and dark not only marks the changing seasons but also sets a beautiful backdrop for the rich historical tapestry of Guimarães.
In December, Guimaraes experiences a noticeable uptick in wind activity, with an average wind speed of 2.9 m/s (7 mph), reminiscent of the brisk winds seen at the start of the year. This increase contrasts with the summer months, particularly August, when the winds mellow to a gentle 1.9 m/s (4 mph). The overall trend suggests a seasonal oscillation, with the wind speed peaking in the winter months and gently declining through the spring and summer. As the year draws to a close, the invigorating December breeze invites residents and visitors alike to embrace the enchanting atmosphere of Guimaraes, where every gust whispers the promise of the coming winter.
The weather in Guimaraes 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 Guimaraes and find detailed weather information for every month.
December and January exhibit noticeable differences in weather patterns. December experiences a milder average temperature of 9°C (49°F), with highs reaching up to 18°C (65°F), while January sees a slight drop in the average to 7°C (45°F) and a maximum of 21°C (70°F). Precipitation also varies significantly; December has a substantial 257 mm (10.1 in) of rain over 16 days, compared to January's 132 mm (5.2 in) over just 9 days. Despite the temperature changes, humidity remains consistent at 87% throughout both months. For more details on specific conditions in January, you can visit Guimaraes weather in January.
December and February offer contrasting yet similar weather experiences. In December, temperatures range from a chilly -2°C (28°F) to a mild 18°C (65°F), with an average of 9°C (49°F). The month is characterized by significant rainfall, totaling 257 mm (10.1 in) over 16 days, resulting in high humidity levels at 87%. In comparison, February sees slightly warmer temperatures, with a minimum of -2°C (28°F) and a maximum of 23°C (73°F), averaging around 10°C (50°F). Precipitation decreases to 202 mm (7.9 in) over just 12 days, and humidity is lower at 81%. For more detailed insights on February's weather, check out Guimaraes weather in February.
In comparing the weather between December and March, we see notable differences in temperature and precipitation. December typically experiences cooler temperatures, with an average low of -2°C (28°F) and a high of 18°C (65°F), while March sees a slight increase, with a minimum of 0°C (33°F) and a maximum of 25°C (78°F). Precipitation is also reduced in March, with 192 mm (7.6 in) over 12 days compared to December's 257 mm (10.1 in) spread across 16 days. Additionally, March has a lower humidity level at 78% compared to December's 87%, making it a generally less damp month. For more detailed insights, you can check Guimaraes weather in March.
December and April showcase contrasting weather patterns. December typically experiences cooler temperatures, with a minimum of -2°C (28°F) and an average of 9°C (49°F), while April emerges warmer, ranging from a minimum of 1°C (34°F) to an average of 13°C (55°F). Precipitation is more abundant in December, with 257 mm (10.1 in) over 16 days, compared to April's 170 mm (6.7 in) over 15 days. Humidity levels also differ, being higher in December at 87% versus 79% in April. For more detailed weather insights, you can check out Guimaraes weather in April.
In December, the weather tends to be much cooler, with temperatures ranging from a chilly minimum of -2°C (28°F) to a mild maximum of 18°C (65°F), averaging around 9°C (49°F). This month is also characterized by high humidity at 87% and significant precipitation, totaling 257 mm (10.1 in) over 16 wet days. In contrast, May brings warmer and more pleasant conditions, with temperatures varying from a minimum of 2°C (36°F) to a high of 31°C (89°F), averaging 16°C (61°F). Precipitation is lighter in May, totaling 103 mm (4.1 in) and occurring over just 10 days, with lower humidity at 78%. For more details on the weather in May, you can check Guimaraes weather in May.
December and June present stark contrasts in weather. December is characterized by cooler temperatures, with a minimum of -2°C (28°F) and an average of 9°C (49°F), while June boasts a milder minimum of 5°C (42°F) and a significantly warmer average of 18°C (64°F). The maximum temperatures in December peak at 18°C (65°F) compared to June, where they can reach up to 34°C (93°F). Additionally, December experiences far more precipitation, with 257 mm (10.1 in) over 16 days, while June has only 65 mm (2.5 in) across 9 days, underscoring its drier climate. Humidity levels also vary, with December averaging 87% and June at 71%. For a detailed look at the June weather in Guimarães, you can visit Guimaraes weather in June.
December presents a stark contrast to July in terms of weather. The average temperature in December hovers around 9°C (49°F), with daytime highs reaching up to 18°C (65°F) and nighttime lows dropping to -2°C (28°F). Alongside this chill, December is marked by significant rainfall, amounting to 257 mm (10.1 in) over 16 days, contributing to a high humidity level of 87%. In comparison, July offers much warmer weather, with average temperatures around 21°C (69°F) and highs peaking at 35°C (95°F). Rainfall in July is minimal, totaling just 29 mm (1.1 in) across about 5 days, and humidity is notably lower at 63%. For a closer look at July's climate, visit Guimaraes weather in July.
December and August present stark contrasts in weather. December experiences cooler temperatures, with averages around 9°C (49°F) and maximums reaching only 18°C (65°F). The month is quite wet as well, with 257 mm (10.1 in) of precipitation over 16 days and high humidity at 87%. In contrast, August brings much warmer conditions, with average temperatures soaring to 21°C (70°F) and maximums hitting 38°C (101°F). Precipitation is minimal in August, only 28 mm (1.1 in) over just 3 days, and humidity is significantly lower at 64%. For more detailed insights, check Guimaraes weather in August.
December weather is significantly cooler and wetter compared to September. While September enjoys milder temperatures with a minimum of 6°C (43°F) and an average high of 34°C (93°F), December temperatures can dip to as low as -2°C (28°F) and peak at 18°C (65°F). Additionally, December experiences much higher precipitation, with 257 mm (10.1 in) spread over 16 days, while September sees only 49 mm (1.9 in) over just 6 days. Humidity levels are also higher in December at 87%, compared to 71% in September. For a more detailed look at September weather, check out Guimaraes weather in September.
December weather is notably colder than October, with minimum temperatures dropping to -2°C (28°F) compared to October's milder minimum of 2°C (36°F). The average temperature in December is around 9°C (49°F), which is significantly lower than October's average of 15°C (60°F). Additionally, December experiences higher precipitation levels, totaling 257 mm (10.1 in) over 16 days, in contrast to October's 151 mm (6.0 in) across just 11 days. The humidity also rises in December, reaching 87% compared to October's 79%. For more insights on October weather, you can check out Guimaraes weather in October.
In comparing the weather of December to that of November, we see notable differences in temperature and precipitation. December tends to be slightly colder with average temperatures ranging from a minimum of -2°C to a maximum of 18°C, while November offers warmer conditions with temperatures between 0°C and 22°C. Additionally, December experiences more rainfall, totaling 257 mm over 16 days, compared to November's 206 mm over 14 days. Humidity remains relatively high in both months, with December at 87% and November at 86%. For more detailed weather information, check out Guimaraes weather in November.
As December unfolds in Guimarães, the weather exhibits a distinct chill compared to the milder months that precede it. With temperatures steadily dipping, the average cools to a crisp 9°C, creating a stark contrast to the warmer seasons. The increase in precipitation, with rain gracing the city on about half of the days in the month, contributes to the notable humidity levels, reaching 87%. This combination of cooler temperatures and increased moisture sets a definitive winter scene, making it a time for cozy indoor activities and charming holiday festivities. To learn more about the overall weather patterns in this picturesque city, visit Guimaraes Climate.