January Weather in Guimaraes, Portugal

Last updated: February 24, 2025

January in Guimarães, Portugal, is characterized by a mild yet variable climate, making it an intriguing time to visit. With maximum temperatures reaching 21°C (70°F), the days can be pleasantly warm, while the average temperature hovers around 7°C (45°F), contrasting with chilly nights that dip to a minimum of -4°C (25°F). Visitors should prepare for wet days, as the region experiences an average of 132 mm (5.2 in) of rainfall over 9 days. The high humidity level of 87% adds a certain crispness to the air, enhancing the winter experience in this historic city. Whether exploring the vibrant streets or savoring local cuisine, January offers a unique glimpse into Guimarães' charm, despite the chilly and damp conditions.

January Temperature in Guimaraes

In January, Guimarães experiences a notable temperature range, with minimums dipping as low as -4°C (25°F) and maximums climbing to a pleasant 21°C (70°F). The average temperature is a cool 7°C (45°F), suggesting a brisk start to the year. As winter progresses into February, we see slightly milder conditions, with minimum temperatures rising to -2°C (28°F) and maximums reaching 23°C (73°F). This upward trend continues into March, as the average temperature nudges up to 11°C (52°F), bringing a hint of spring warmth. The steady increase in temperatures hints at a transition from the winter chill to the more temperate months ahead, making January a unique blend of winter's grip and the promise of balmier days.

January Weather in Guimaraes: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Guimaraes, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec454951556164696966595148
Data source: Temperature data for Guimaraes generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Guimaraes

January in Guimarães, Portugal, brings a robust 132 mm (5.2 in) of precipitation across 9 days, setting the stage for the wetter months ahead. As winter unfolds, this early rainfall serves as a precursor to February's even heavier downpour of 202 mm (7.9 in), marking a significant increase that continues through the spring. Notably, March peaks with 192 mm (7.6 in), revealing a trend of increasing precipitation that persists until mid-summer, with April and November also showing substantial rainfall. As the year progresses, the precipitation gradually tapers off, underscoring a shift toward drier conditions during the summer months, with July and August averaging just 29 mm (1.1 in) and 28 mm (1.1 in), respectively. This pattern highlights the distinct seasonal transitions characteristic of Guimarães, where January's robust rainfall lays the foundation for a lush, vibrant landscape as the year unfolds.

January Precipitation Trends in Guimaraes

The chart displays monthly precipitation patterns in Guimaraes, with values for each month alongside January's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec13220219217010365292849152206257
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Guimaraes

In January, Guimarães, Portugal experiences a high humidity level of 87%, setting the tone for a month often marked by gray skies and drizzling rain. This trend of elevated moisture continues into November and December, when humidity also peaks at 86% and 87%, respectively, suggesting a wintry atmosphere that lingers throughout the winter months. As the new year unfolds, humidity gradually decreases, dropping to 81% in February and further to 78% by March and May, indicating a welcome shift towards drier conditions with the arrival of spring. By July and August, the humidity reaches its lowest levels at 63% and 64%, allowing for a more comfortable summer climate, before the cycle returns with fall’s moisture in September. Overall, the year in Guimarães flows from lush, humid winters to warm, drier summers, showcasing the city's rich climatic variations.

January Average Humidity in Guimaraes

This chart illustrates the average monthly humidity levels in Guimaraes, with January's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how January's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec87%81%78%79%78%71%63%64%71%79%86%87%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Guimaraes

In January, Guimarães experiences a low UV Index of 2, with a burn time of 45 minutes, allowing for more leisurely outdoor activities without the immediate threat of sunburn. As we transition into February, awareness is key as the UV Index rises to 4, prompting a moderate exposure category where a 30-minute burn time suggests a bit more caution is necessary. The trend continues upward, peaking in the summer months—most notably in June, when the UV Index reaches an extreme 11, drastically reducing safe exposure time to just 10 minutes. This significant increase from January serves as a reminder to adjust sun protection strategies throughout the year. As we move into the fall, the UV Index gradually declines, returning to a low 2 by December, with a corresponding 45-minute burn time, illustrating the seasonal variations in UV exposure. For more detailed insights on UV levels throughout the year, visit Guimaraes UV Index.

Maximum UV Index Levels in Guimaraes for January

The chart shows the monthly maximum UV Index (UVI) for Guimaraes in January, 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.
JanFebMarAprMayJunJulAugSepOctNovDec24689111098642
Data source: Guimaraes January 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.

January Sunshine in Guimaraes

January in Guimarães, Portugal, welcomes visitors with approximately 153 hours of sunshine, a modest start to the year that hints at the vibrant months to follow. As the seasons progress, the sun tends to shine brighter; February sees an increase to 203 hours, while March experiences a significant leap to 280 hours. This upward trend continues into spring, with April culminating at 342 hours and May reaching 401 hours. Summer peaks in July with an impressive 427 hours, showcasing Guimarães at its sun-kissed best. However, as autumn approaches, sunshine hours gradually taper off, with August at 396 hours and September at 345 hours. By the end of the year, December closes with 171 hours, illustrating a seasonal rhythm that captivates all who visit this charming city. Overall, the fluctuating patterns of sunshine create a dynamic and inviting atmosphere, perfect for exploring the rich history and culture of Guimarães.

Monthly Sunshine Duration in Guimaraes: January Highlighted

The January sunshine duration represents the total number of hours Guimaraes experiences direct sunlight during the month of January, excluding cloudy or obstructed periods. This chart compares the sunshine duration of January with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec153h203h280h342h401h403h427h396h345h300h202h171h
Data source: Guimaraes January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Guimaraes During January

In Guimarães, Portugal, the likelihood of sunny weather in January stands at a respectable 44%, making it one of the more promising winter months. This percentage is notably higher than February's 15%, suggesting that January offers a brief respite from the gloom of winter. As spring approaches, the chance of sunshine increases significantly, with March peaking at 57%. Despite the potential for cloudy days, January's sunny disposition sets a tone of optimism as the year begins, hinting at brighter days ahead before the warmer spring months take over.

Percentage of Sunny Days in January in Guimaraes

The chart illustrates the percentage of sunny days in Guimaraes throughout the year, with January 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 Guimaraes experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec44%15%57%37%43%56%56%69%39%45%63%32%
Data source: Guimaraes January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Guimaraes in January

In Guimarães, Portugal, January marks the beginning of the year with 9 hours of daylight, a modest offering that gradually increases to 10 hours by February and reaches 11 hours in March. As spring approaches, the days stretch significantly, peaking at a sun-drenched 15 hours in June, just before summer. The daylight hours then start to taper off, cascading through the summer months with 14 hours in July and 13 hours in August, before gradually diminishing towards autumn. By October, daylight wanes to 11 hours, and once again, the year concludes with 9 hours in both November and December, creating a cyclical rhythm of light that characterizes this charming historic town.

Average Daylight Hours in Guimaraes for January

The chart illustrates the variation in daylight duration in Guimaraes throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 33m10h 36m11h 57m13h 20m14h 30m15h 6m14h 47m13h 45m12h 25m11h 3m9h 50m9h 13m
Data source: Guimaraes daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Guimaraes

In January, Guimarães, Portugal, welcomes a gentle breeze with an average wind speed of 2.9 m/s (6 mph), setting a tranquil tone for the start of the year. Interestingly, the wind picks up slightly in February, reaching 3.0 m/s (7 mph) before calming down throughout the spring months, with March and April recording lower speeds of 2.3 m/s (5 mph) and 2.1 m/s (5 mph), respectively. As the summer approaches, the winds remain mild, hanging around 2.2 m/s (5 mph) from June to July. However, a notable drop occurs in August, where the average wind slows to 1.9 m/s (4 mph), creating a serene summer atmosphere. As the year transitions into autumn, wind speeds gradually increase again, stabilizing between 2.1 m/s (5 mph) and 2.3 m/s (5 mph) from September to November, before returning to January's level by December. This cyclical pattern reveals Guimarães' charm: a city embraced by soft breezes that enhance its picturesque landscape year-round.

Average January Wind Speed in Guimaraes

The chart displays monthly wind speed patterns in Guimaraes, with values for each month shown alongside January's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how January's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.9 m/s3.02.32.12.42.22.21.92.12.32.32.9
Data source: Guimaraes January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Guimaraes Compares to Other Months

The weather in Guimaraes changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of January'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.

In January, the weather is generally cooler, with temperatures ranging from a minimum of -4°C (25°F) to a maximum of 21°C (70°F), and an average temperature of 7°C (45°F). The month experiences significant precipitation, totaling 132 mm (5.2 in) over about 9 days, coupled with high humidity levels at 87%.

In contrast, February sees a slight increase in temperatures, with a minimum of -2°C (28°F), an average of 10°C (50°F), and a maximum of 23°C (73°F). However, it brings even more rainfall, reaching 202 mm (7.9 in) over 12 days, although humidity drops slightly to 81%. For a detailed look at February's climate, you can check out Guimaraes weather in February.

In January, the weather is quite cold with temperatures ranging from a minimum of -4°C (25°F) to a maximum of 21°C (70°F), averaging around 7°C (45°F). The month sees significant precipitation, totaling 132 mm (5.2 in) over approximately 9 days, coupled with high humidity at 87%. In contrast, March brings milder temperatures, with a minimum of 0°C (33°F) and a maximum of 25°C (78°F), averaging 11°C (52°F). However, it also experiences higher precipitation, reaching 192 mm (7.6 in) over about 12 days, and lower humidity at 78%. For more detailed information, you can check Guimaraes weather in March.

In January, temperatures in Guimaraes can be quite low, with a minimum of -4°C (25°F) and an average of 7°C (45°F), while the maximum rarely exceeds 21°C (70°F). This month is characterized by high humidity at 87% and relatively moderate precipitation, totaling 132 mm (5.2 in) over about 9 days. In contrast, April brings milder temperatures with a minimum of 1°C (34°F) and an average of 13°C (55°F), peaking at a comfortable 26°C (80°F). However, April also sees increased rainfall, with 170 mm (6.7 in) over 15 days, accompanied by lower humidity levels at 79%. For more details on the weather in this vibrant month, check out the Guimaraes weather in April.

In January, the weather is significantly colder with average temperatures ranging from a minimum of -4°C (25°F) to a maximum of 21°C (70°F), accompanied by high humidity levels of 87%. Precipitation is frequent during this month, with 132 mm (5.2 in) recorded over 9 days. In contrast, May brings a much more temperate climate, with average temperatures between 2°C (36°F) and 31°C (89°F) and a lower humidity of 78%. Although it experiences slightly more days of rain, with precipitation of 103 mm (4.1 in) over 10 days, the overall feel of the weather is much warmer and more pleasant. For more details, you can check out Guimaraes weather in May.

In January, the weather is quite chilly, with temperatures ranging from a minimum of -4°C (25°F) to a maximum of 21°C (70°F) and an average of 7°C (45°F). The month sees significant precipitation at 132 mm (5.2 in) over about 9 days, coupled with high humidity levels at 87%. In contrast, June experiences warmer conditions, with temperatures typically ranging from a minimum of 5°C (42°F) to a maximum of 34°C (93°F) and an enjoyable average of 18°C (64°F). Precipitation drops to 65 mm (2.5 in) over the same number of days, and humidity decreases to 71%. For more details on what to expect, check out Guimaraes weather in June.

In January, the weather in Guimarães is quite chilly, with temperatures ranging from a minimum of -4°C (25°F) to a maximum of 21°C (70°F), averaging around 7°C (45°F). This month experiences significant precipitation, with an average of 132 mm (5.2 in) over 9 days and a high humidity level of 87%. In contrast, July brings much warmer weather, featuring minimum temperatures of 7°C (45°F) and maximum temperatures reaching up to 35°C (95°F), with an average of about 21°C (69°F). Rainfall is considerably lower in July, with only 29 mm (1.1 in) over 5 days and humidity dropping to 63%. For a detailed look at July's conditions, check out Guimaraes weather in July.

January and August present starkly contrasting weather conditions. In January, temperatures range from a chilly -4°C (25°F) at night to a mild 21°C (70°F) during the day, with an average temperature of 7°C (45°F). The month is relatively wet, receiving 132 mm (5.2 in) of precipitation over about 9 days, and the humidity is high at 87%. In contrast, August experiences warmer weather with minimum temperatures of 9°C (48°F), average temperatures peaking at 21°C (70°F), and maximum highs soaring to 38°C (101°F). Precipitation drops significantly to just 28 mm (1.1 in) over 3 days, accompanied by a much lower humidity level of 64%. For more details about climate specifics, check Guimaraes weather in August.

January and September present vastly different weather experiences. In January, temperatures range from a chilly minimum of -4°C (25°F) to a mild maximum of 21°C (70°F), with an average of 7°C (45°F) and a high humidity level of 87%. The month is quite wet, with about 132 mm (5.2 in) of precipitation over 9 days. In contrast, September enjoys milder conditions with minimum temperatures around 6°C (43°F) and maximums soaring up to 34°C (93°F), averaging 19°C (67°F). This month sees significantly less rain, only 49 mm (1.9 in) over 6 days, and lower humidity at 71%. For more details, check out Guimaraes weather in September.

In January, the weather is typically cold with temperatures ranging from a brisk -4°C (25°F) at night to a mild average of 7°C (45°F) during the day, peaking at a comfortable 21°C (70°F). This month also experiences significant precipitation, averaging 132 mm (5.2 in) over about 9 rainy days, coupled with high humidity levels of 87%.

In contrast, October offers more temperate conditions, with nighttime lows of 2°C (36°F) and daytime averages climbing to 15°C (60°F), peaking at a warm 32°C (89°F). The month is slightly wetter, with 151 mm (6.0 in) of rainfall across 11 days, but with lower humidity of 79%. For a more detailed view of October weather, you can check Guimaraes weather in October.

In comparing the weather between January and November, January tends to be colder, with minimum temperatures dipping as low as -4°C (25°F), while November starts at a milder 0°C (33°F). November generally has a higher average temperature of 11°C (52°F) compared to January's 7°C (45°F) and showcases a maximum of 22°C (72°F), slightly warmer than January's peak of 21°C (70°F). Precipitation is more pronounced in November, totaling 206 mm (8.1 in) over 14 days, in contrast to January's 132 mm (5.2 in) spread across 9 days. Additionally, humidity levels in both months are quite similar, with January at 87% and November slightly lower at 86%. For more specific details on November's weather, you can visit Guimaraes weather in November.

In comparing the weather of January and December, both months display a similar humidity level of 87%, contributing to a generally damp atmosphere. However, January tends to experience slightly cooler temperatures, with a minimum of -4°C (25°F) and a maximum of 21°C (70°F), compared to December's range of -2°C (28°F) to 18°C (65°F). Precipitation also differs significantly: January averages 132 mm (5.2 in) over 9 days, while December sees nearly double that amount, with 257 mm (10.1 in) spread across 16 days. For more detailed insights, you can refer to Guimaraes weather in December.

Compare Guimaraes's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Guimaraes

As January arrives in Guimarães, the weather takes on a cool and damp character that sets it apart from other months of the year. With temperatures fluctuating between brisk lows and mild highs, this month often presents a refreshing contrast to the warmer seasons. The increased precipitation and humidity can create a vibrant atmosphere, making the landscape lush and inviting for those willing to embrace the chill. While many seek the warmth of spring and summer, January offers a unique charm for visitors looking to experience the quieter side of Guimarães. For more detailed insights, check out Guimaraes Climate.