Last updated: February 24, 2025
In December, Guia, Portugal offers a mild climate characterized by a maximum temperature of 22°C (71°F) and an average of 12°C (54°F), providing a pleasant respite from winter chills. Visitors can expect some cooler nights, with minimum temperatures dipping to 0°C (32°F). The month sees approximately 44 mm (1.7 in) of precipitation over 5 days, contributing to the region's lush landscapes. With an humidity level of 81%, this month creates a uniquely refreshing atmosphere perfect for exploring the picturesque surroundings.
In Guia, Portugal, December marks a transition into cooler temperatures, with minimums averaging around 0°C (32°F) and daytime highs reaching up to 22°C (71°F). This month presents a mild average of 12°C (54°F), creating a cozy atmosphere for visitors. While the chill of winter is felt, December remains relatively warmer compared to January, as the region experiences a gradual rise in temperatures towards the end of the year. The shift from the crisp autumn air to a softer winter climate makes December an inviting time for those looking to enjoy the holiday season amid picturesque scenery and stunning landscapes. As the year draws to a close, the pleasant weather allows for outdoor explorations and festive celebrations in this charming Portuguese locale.
December in Guia, Portugal, marks a transition into the wetter winter months, with precipitation reaching 44 mm (1.7 in) over five days. This is a notable drop from the 51 mm (2.0 in) recorded in November, suggesting a slight easing of rainfall as the year concludes. While December's precipitation is substantial, it follows a steady upward trend from the drier summer months, where July and August saw almost no rainfall. As the temperatures cool, the days of precipitation remain relatively few but impactful, contributing to the region's lush landscapes in the new year. The seasonal pattern indicates that Guia experiences a mix of light showers and heavier rains, creating a vibrant yet variable climate during this time.
In Guia, Portugal, the month of December brings a notable rise in humidity, reaching 81%, which is one of the highest levels recorded throughout the year. This increase follows a gradual ascent from the relatively lower humidity levels observed in the warmer months. From June to September, humidity remains around 67% to 71%, before climbing steadily in the autumn. As temperatures begin to drop in November and humidity peaks in December, the month signals a transition into a more humid winter season. Overall, the trend showcases a clear pattern of increasing moisture, particularly as the year draws to a close, creating a chilly but refreshing atmosphere.
In Guia, Portugal, the UV Index reflects a notable seasonal pattern throughout the year. As winter approaches, December sees a moderate UV Index of 3, with a burn time of about 30 minutes, similar to the indices recorded in January and November. This trend showcases a gradual decline in UV exposure as we transition from the summer months, which peak at 11 in June, to the cooler winter season. The fall months provide a reprieve with lower indices, reaching 7 in October and dropping to 4 in November. Overall, the data illustrates the importance of sun safety, even in winter, as the sun's intensity can still pose a risk. For more specific information, check out the Guia UV Index.
UV Risk Categories
As December unfolds in Guia, Portugal, visitors can still bask in 244 hours of sunshine, a delightful continuation of the region's warm, sun-kissed charm. While the total sunlight in December represents a slight dip from the vibrant heights of summer, this month showcases a consistent trend of diminishing daylight inherent to the season. Notably, the sunny days of June and July boast an impressive over 400 hours, while the sunshine gradually recedes through the autumn months. Despite the ebbing sunlight, December's glow, combined with the festive spirit, creates a captivating ambiance that invites visitors to explore the town's scenic beauty and cultural richness. It's this unique blend of warmth and tranquility that makes Guia an enchanting destination, even as winter approaches.
In Guia, Portugal, the likelihood of sunny weather in December stands at a moderate 46%, suggesting that while the month may not guarantee endless sunshine, it offers a good chance of clear skies. This figure reflects a slight dip from the more promising conditions seen in November (73%), yet it is still a notable improvement compared to the preceding winter months, such as January with only 44%. As we look towards the sunnier months, June through August stand out with probabilities soaring above 79%, highlighting a visible trend of increasing sunshine as the year progresses. Thus, December in Guia presents a balanced mix of festive cheer and potential for enjoyable sunny days, making it a charming time to visit.
In Guia, Portugal, the daylight duration follows a distinct seasonal rhythm. The year begins with 9 hours of daylight in January, gradually increasing as winter turns to spring, peaking at 14 hours in both May and June. This generous stretch of sunlight begins to taper off in the summer months, with daylight decreasing to 13 hours in August, and continuing to decline through autumn. November sees a drop to 10 hours, reminiscent of the year's start, ultimately returning to 9 hours by December. This cyclical pattern highlights a clear trend of longer days in the warmer months, inviting a vibrant outdoor lifestyle, while the shorter days in winter create a cozy, introspective atmosphere perfect for hibernating indoors.
In Guia, Portugal, December brings a noticeable uptick in wind speed, averaging 4.1 m/s (9 mph), which marks a shift from the generally calmer months preceding it. Throughout the year, the wind speed experiences subtle fluctuations; however, December stands out with its brisk air, suggesting the onset of winter’s influence. Interestingly, the summer months of July and May also display elevated speeds at 4.2 m/s (9 mph) and 4.0 m/s (9 mph) respectively, indicating that while winter winds may pick up, the coastal breezes during late spring and peak summer are equally robust. With consistently moderate speeds throughout the year, Guia's December wind epitomizes the charming duality of this region—where the salty sea air invigorates the cooler months, making it an enchanting time for outdoor adventures.
The weather in Guia 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 Guia and find detailed weather information for every month.
In December, temperatures tend to be milder, with a minimum of 0°C (32°F), an average of 12°C (54°F), and a maximum of 22°C (71°F). The month experiences moderate precipitation, averaging 44 mm (1.7 inches) over about five days, while humidity remains relatively high at 81%. In contrast, January is cooler, starting with a minimum temperature of -2°C (28°F) and an average of 10°C (50°F), although the maximum is slightly lower at 21°C (69°F). Precipitation decreases to 23 mm (0.9 inches), falling over just three days, and humidity is slightly lower at 80%. For a detailed look at the weather during January, you can check out Guia weather in January.
December and February exhibit similar average temperatures, both hovering around 12°C (54°F), but there are subtle variations in their weather patterns. While December has a maximum temperature of 22°C (71°F) and experiences higher humidity at 81%, February sees a slight increase in maximum temperature to 24°C (76°F) and a drop in humidity to 73%. Precipitation levels remain comparable, with December receiving 44 mm (1.7 in) and February slightly higher at 46 mm (1.8 in), both spread over five days. For a closer look at February weather, visit Guia weather in February.
December and March exhibit notable differences in weather patterns. In December, the temperatures range from a minimum of 0°C (32°F) to a maximum of 22°C (71°F), with an average of 12°C (54°F). The month sees a relatively high humidity level of 81% and experiences about 44 mm (1.7 in) of precipitation over five days. Conversely, March presents a slightly warmer climate, with minimum temperatures at 2°C (36°F) and maximums reaching 27°C (81°F), while the average temperature is around 13°C (56°F). This month has increased rainfall, totaling 80 mm (3.2 in) across nine days, but a lower humidity level of 71%. For more detailed insights on March weather, check out Guia weather in March.
In comparing the weather of December and April, December tends to be cooler, with temperatures ranging from a minimum of 0°C (32°F) to a maximum of 22°C (71°F) and an average of 12°C (54°F). It also has higher humidity at 81% and experiences about 44 mm (1.7 in) of precipitation over 5 days. In contrast, April brings milder temperatures, with a minimum of 6°C (43°F) and a maximum of 29°C (84°F), averaging 15°C (59°F). However, April sees significantly more rainfall, totaling 70 mm (2.8 in) over 12 days, and a lower humidity of 69%. For more detailed information on April's weather, you can visit Guia weather in April.
In December, the weather is quite cool, with temperatures ranging from a chilly 0°C (32°F) at night to a mild 22°C (71°F) during the day, and an average of 12°C (54°F). The month experiences significant humidity at 81% and includes around 44 mm (1.7 in) of precipitation over about five days. In contrast, May brings warmer conditions, with nighttime lows of 6°C (43°F) and daytime highs reaching up to 34°C (94°F), averaging 19°C (67°F). Additionally, May's precipitation drops to 25 mm (1.0 in), also spread across five days, but with lower humidity at 69%. This shift in weather marks a notable transition from the cooler, wetter December to the warmer, drier May. For a detailed look at the weather conditions in May, you can visit Guia weather in May.
In December, the weather is notably cooler, with temperatures ranging from a minimum of 0°C (32°F) to a maximum of 22°C (71°F) and an average of 12°C (54°F). The month experiences more precipitation, approximately 44 mm (1.7 in) over about five days, alongside higher humidity levels at 81%. In contrast, June presents a warmer climate, with temperatures starting at a minimum of 10°C (51°F) and reaching up to 40°C (105°F), averaging 21°C (71°F). Rain is quite rare in June, with only 8 mm (0.3 in) recorded over two days and humidity dropping to 67%. For a more detailed overview of weather conditions in June, visit Guia weather in June.
December and July present strikingly contrasting weather conditions. In December, temperatures range from a chilly minimum of 0°C (32°F) to a mild average of 12°C (54°F), peaking at 22°C (71°F). This month experiences about 44 mm (1.7 inches) of precipitation over five days, accompanied by high humidity at 81%. In contrast, July boasts significantly warmer temperatures, with a minimum of 12°C (55°F), an average of 24°C (75°F), and a scorching maximum that can reach 40°C (105°F). Remarkably, July sees minimal precipitation, with only 3 mm (0.1 inches) and no rainy days, along with lower humidity at 69%. For more details on July weather in this area, you can check Guia weather in July.
In December, temperatures typically range from a chilly minimum of 0°C (32°F) to a comfortable maximum of 22°C (71°F), with an average of 12°C (54°F). This month experiences about 44 mm (1.7 in) of precipitation over approximately 5 days, creating a humid atmosphere with an average humidity of 81%. In contrast, August boasts significantly warmer weather, with minimum temperatures around 14°C (57°F) and soaring maximums that can reach up to 44°C (111°F), averaging 25°C (77°F). It's notably dry in August, with just 1 mm (0.0 in) of precipitation over the entire month and an average humidity of 68%. For more detailed insights about the climate in August, check out Guia weather in August.
December and September exhibit stark contrasts in weather patterns. December typically sees cooler temperatures, with a minimum of 0°C (32°F) and an average of 12°C (54°F), peaking at 22°C (71°F). In contrast, September is much warmer, with temperatures ranging from a minimum of 11°C (52°F) to an average high of 23°C (74°F), and an extreme maximum reaching 37°C (99°F). Moreover, December experiences higher humidity at 81% and more precipitation, averaging 44 mm (1.7 in) over about 5 days, while September is relatively dry with only 11 mm (0.4 in) of rainfall across just one day. For a closer look at September's weather, you can check out Guia weather in September.
In comparing the weather between December and October, it's clear that December generally experiences cooler temperatures, with a minimum of 0°C (32°F) and an average of 12°C (54°F), compared to October's milder minimum of 6°C (43°F) and a more comfortable average of 19°C (67°F). Additionally, October boasts higher maximum temperatures, reaching up to 34°C (94°F), while December peaks at 22°C (71°F). Precipitation levels are slightly higher in December at 44 mm (1.7 in) over about five days, compared to October’s 32 mm (1.3 in) over four days. The humidity also tends to be a bit higher in December at 81%, compared to the 75% in October. For more detailed insights on October's climate, check out Guia weather in October.
In comparing the weather between November and December, December tends to be cooler, with a minimum temperature of 0°C (32°F) compared to November's 4°C (39°F). The average temperature in December hovers around 12°C (54°F), while November remains slightly warmer at 14°C (58°F). Additionally, the maximum temperatures in December are lower, peaking at 22°C (71°F), whereas November reaches up to 24°C (76°F). Precipitation is slightly lower in December with 44 mm (1.7 in) over 5 days, contrasted with November's 51 mm (2.0 in) across 7 days. Humidity levels are slightly higher in December at 81%, compared to November's 78%. For a detailed look at November's weather, check out Guia weather in November.
As December rolls in, Guia transforms with a refreshing chill, setting it apart from the warmer months. The average temperature dips to a cool 12°C (54°F), offering a cozy contrast to the summer heat while still allowing for pleasant afternoons with highs around 22°C (71°F). Rain is more pronounced this month, with 44 mm of precipitation spread over just a handful of days, creating a lively atmosphere. Those who relish a little bit of chill and moisture will find December's humid days, averaging 81%, perfectly invigorating. For a deeper dive into what to expect throughout the year, visit Guia Climate.