January Weather in Aveiro, Portugal

Last updated: February 24, 2025

January in Aveiro, Portugal, offers a blend of mild temperatures and frequent rainfall, making it a unique winter destination. With a maximum temperature reaching 20°C (69°F) and an average of 11°C (51°F), the weather remains pleasantly cool, while nights can dip as low as 2°C (36°F). Expect about 77 mm (3.0 in) of precipitation over approximately 8 days, leading to a humidity level of 87% that wraps the city in a refreshing atmosphere. This season invites visitors to explore the charm of Aveiro’s picturesque canals and vibrant streets, even under an overcast sky.

January Temperature in Aveiro

In Aveiro, Portugal, January presents a compelling mix of chilly mornings and relatively mild afternoons. With temperatures ranging from a brisk 2°C (36°F) at night to a pleasant 20°C (69°F) during the day, this month marks the beginning of the gradual warming trend that characterizes the region. As January transitions into February, the warmth continues to creep upward, where the maximum temperature reaches 21°C (70°F). The average temperature rises steadily from 11°C (51°F) in January to 12°C (54°F) in February, hinting at the light and brightness that gradually envelop the city as winter loosens its grip. Overall, January serves as a precursor to the budding vibrancy of spring, showcasing Aveiro's remarkable climate versatility throughout the year.

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

The chart illustrates January temperature patterns in Aveiro, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec515455586365686867635754
Data source: Temperature data for Aveiro 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 Aveiro

In January, Aveiro, Portugal, typically experiences 77 mm (3.0 in) of precipitation over approximately 8 days, marking the start of the year with a modest yet noticeable amount of rainfall. This sets the stage for a trend of increasing precipitation as winter unfolds, with February witnessing a significant rise to 109 mm (4.3 in), followed by March and April, each averaging 114 mm (4.5 in). As spring approaches, the rainfall begins to taper off, bringing drier conditions in late spring and summer months, with June receiving only 32 mm (1.3 in) and July dropping even further to just 13 mm (0.5 in). This cyclical pattern illustrates how January's precipitation serves as a precursor to the wetter months ahead, while also leading into a drier summer that contrasts sharply with the intense rainfall that characterizes late autumn and winter.

January Precipitation Trends in Aveiro

The chart displays monthly precipitation patterns in Aveiro, 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.
JanFebMarAprMayJunJulAugSepOctNovDec771091141146432131432101137150
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Aveiro

In Aveiro, Portugal, January ushers in a notably high humidity level of 87%, setting the tone for a generally damp winter. This moist atmosphere lingers into November and December, where humidity levels mirror January's, reinforcing a trend of elevated humidity during the cooler months. As the year progresses, humidity gradually declines, reaching its lowest point in July at 63% and August at 64%. This seasonal shift suggests a transition to a more comfortable, drier climate during the summer months, before humidity levels rise again in the fall. Overall, the pattern showcases a clear division between the more humid winter season and the relatively drier summer months, making January a prime example of Aveiro's moist climate.

January Average Humidity in Aveiro

This chart illustrates the average monthly humidity levels in Aveiro, 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 Aveiro

In January, Aveiro, Portugal experiences a relatively low UV Index of 2, meaning it's safe to enjoy the outdoors with minimal risk of harm, as the burn time stretches to an impressive 45 minutes. However, as the months progress, there's a noticeable trend of increasing UV exposure. By February, the UV Index rises to 4 (moderate), reducing the optimal burn time to 30 minutes. The real shift occurs in the spring, with March peaking at a 6 (high) and quickly escalating to a significant 8 by April. This peak in UV intensity continues through the summer months, with June and July both hitting a maximum of 10 (very high), where quick reapplication of sunscreen becomes essential due to just a 15-minute burn time. As fall approaches, the UV Index gradually decreases, returning to a low 2 by December. For a complete view of UV trends throughout the year, check out Aveiro UV Index.

Maximum UV Index Levels in Aveiro for January

The chart shows the monthly maximum UV Index (UVI) for Aveiro 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.
JanFebMarAprMayJunJulAugSepOctNovDec24689101098642
Data source: Aveiro 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 Aveiro

As winter melts into spring in Aveiro, Portugal, January ushers in a modest 165 hours of sunshine, casting a gentle glow over the picturesque canals. However, this sun-kissed transformation gathers momentum in the following months, with February and March bringing more light, totaling 215 and 293 hours respectively. By April, the city basks in 347 hours of sunshine, heralding the arrival of vibrant blooms and warmer days. May and June reach their zenith with over 400 hours of radiant sunlight, making them the sunniest months of the year. This inviting trend gently recedes in the summer's wake, as July and August still boast impressive totals of 424 and 393 hours, before ushering in a gradual decline in September through December. By the year's end, Aveiro retains a charming mix of cozy winter warmth with 192 hours of sunshine in December, reminding us of its vibrant seasonal tapestry.

Monthly Sunshine Duration in Aveiro: January Highlighted

The January sunshine duration represents the total number of hours Aveiro 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.
JanFebMarAprMayJunJulAugSepOctNovDec165h215h293h347h406h407h424h393h346h303h212h192h
Data source: Aveiro January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Aveiro During January

In Aveiro, Portugal, the likelihood of sunny weather in January stands at a pleasant 50%, setting a balanced stage for the winter month. As the year progresses, a noticeable trend emerges: the chances of sunshine generally increase with the arrival of spring and summer. For instance, March jumps to 58%, and by July, the likelihood peaks at an inviting 61%. Interestingly, November also shows a surprising 69% chance of sun, hinting at a potential late autumn warmth. As we navigate through the chilly start of the year, these patterns suggest that while January offers good opportunities for sunshine, brighter days are just around the corner as we move toward the sunnier months.

Percentage of Sunny Days in January in Aveiro

The chart illustrates the percentage of sunny days in Aveiro 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 Aveiro experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec51%21%58%41%50%59%61%65%48%47%69%37%
Data source: Aveiro January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Aveiro in January

In Aveiro, Portugal, January marks the beginning of the year with a modest 9 hours of daylight, a reflection of winter's grip. As February unfolds, daylight begins to stretch, reaching 10 hours and heralding the gradual approach of spring. March continues this upward trend, offering 11 hours of sunshine, while April brings even more warmth with 13 hours of daylight, inviting residents to enjoy the blossoming scenery. Moving into late spring and early summer, May and June shine brightly with 14 and 15 hours of daylight, respectively, providing the perfect backdrop for outdoor activities. However, the daylight hours gently start to wane in July and August, returning to 14 and 13 hours. As autumn takes hold, September diminishes to 12 hours, followed by a more pronounced decrease in October and November, settling back at 9 hours by the end of the year. This rhythm of daylight not only marks the changing seasons but also reflects Aveiro's vibrant natural cycle, inviting its inhabitants to embrace the ebb and flow of light throughout the year.

Average Daylight Hours in Aveiro for January

The chart illustrates the variation in daylight duration in Aveiro throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 37m10h 39m11h 57m13h 18m14h 27m15h 1m14h 43m13h 42m12h 24m11h 4m9h 54m9h 18m
Data source: Aveiro daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Aveiro

In Aveiro, Portugal, January greets visitors with a gentle average wind speed of 4.5 m/s (10 mph), setting a serene tone for the month. This bustling waterfront city exhibits a subtle shift in wind patterns as the year progresses, with February experiencing a slight uptick to 5.3 m/s (12 mph), offering a brisk start to the spring. As the days grow warmer, the wind tends to calm down, dipping to its lowest average of 3.2 m/s (7 mph) in April. However, by mid-year, the winds pick up again, remaining consistent through summer at about 4.5 m/s (10 mph), before tapering off into the fall months. Interestingly, December closes the year with a notable increase, recording an average of 4.9 m/s (11 mph), hinting at an invigorating end to the year. This cyclical dance of winds paints a vivid picture of Aveiro’s climate, making it a fascinating destination throughout the seasons.

Average January Wind Speed in Aveiro

The chart displays monthly wind speed patterns in Aveiro, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.5 m/s5.33.63.24.44.54.73.93.73.53.94.9
Data source: Aveiro January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Aveiro Compares to Other Months

The weather in Aveiro 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 Aveiro and find detailed weather information for every month.

January and February show a gradual warming trend, with February experiencing slightly higher average temperatures, ranging from a minimum of 3°C (37°F) to a maximum of 21°C (70°F), compared to January's 2°C (36°F) minimum and 20°C (69°F) maximum. Both months see considerable humidity, though February's 81% is a touch lower than January's 87%. Precipitation increases in February, reaching 109 mm (4.3 in) over 11 days, compared to January's 77 mm (3.0 in) over 8 days. For more specific insights on February weather patterns, visit Aveiro weather in February.

January and March display notable differences in weather patterns. In January, temperatures range from a minimum of 2°C (36°F) to a maximum of 20°C (69°F), with an average of 11°C (51°F). The month typically experiences 77 mm of rainfall over 8 days, contributing to a high humidity level of 87%. In contrast, March sees a slight rise in temperatures, with minimums of 4°C (40°F) and maximums reaching 24°C (76°F), averaging at 13°C (56°F). Rainfall increases to 114 mm over 11 days, while humidity decreases to 78%. For more details on weather trends, check out Aveiro weather in March.

In comparison to January, April experiences noticeably warmer temperatures, with a minimum of 6°C (44°F) and an average of 15°C (58°F), compared to January’s 2°C (36°F) minimum and 11°C (51°F) average. Additionally, the maximum temperatures rise to 26°C (79°F) in April, while they reach only up to 20°C (69°F) in January. However, April also sees an increase in precipitation, totaling 114 mm (4.5 in) over 12 days, compared to January's 77 mm (3.0 in) over 8 days, but the humidity decreases slightly from 87% in January to 79% in April. For a more detailed look at the weather in April, visit Aveiro weather in April.

January weather in Aveiro is characterized by cooler temperatures, with a minimum of 2°C (36°F) and an average of 11°C (51°F), while May sees a significant warm-up, with temperatures ranging from a minimum of 9°C (48°F) to an average of 17°C (63°F). The maximum temperatures in May can reach as high as 30°C (87°F), making it a much warmer month compared to January's max of 20°C (69°F). Though both months see precipitation on approximately 8 days, January experiences a higher total rainfall of 77 mm (3.0 in) compared to May's 64 mm (2.5 in). Humidity levels also vary, with January being more humid at 87% compared to May's 78%. For more detailed information, check Aveiro weather in May.

January and June present a striking contrast in weather. In January, temperatures range from a chilly minimum of 2°C (36°F) to a comfortable average of 11°C (51°F), peaking at around 20°C (69°F). The month experiences considerable precipitation at 77 mm (3.0 in) over approximately 8 days, accompanied by high humidity at 87%. In contrast, June boasts milder conditions, with minimum temperatures starting at 11°C (52°F) and averages reaching 18°C (65°F), soaring to a maximum of 30°C (86°F). With only 32 mm (1.3 in) of rain over 7 days and lower humidity at 71%, June offers a significantly drier and warmer climate. For more information, you can explore Aveiro weather in June.

The weather in January and July presents a striking contrast. January features cooler temperatures with a minimum of 2°C (36°F) and an average of 11°C (51°F), peaking at a maximum of 20°C (69°F). Additionally, this month sees a significant amount of precipitation, totaling 77 mm (3.0 in) over about 8 days, accompanied by high humidity levels at 87%. In contrast, July boasts much warmer conditions, with a minimum of 13°C (56°F) and an average of 20°C (68°F), soaring to a maximum of 33°C (91°F). Precipitation drops significantly to just 13 mm (0.5 in) over 2 days, and the humidity decreases to a more comfortable 63%. For more detailed information, you can check Aveiro weather in July.

January and August present a stark contrast in weather conditions. In January, temperatures range from a minimum of 2°C (36°F) to a maximum of 20°C (69°F), with an average of 11°C (51°F). The month experiences significant precipitation, totaling 77 mm (3.0 in) over about 8 days, coupled with high humidity at 87%. Conversely, August showcases much warmer weather, with temperatures ranging from a minimum of 13°C (56°F) to a maximum of 32°C (91°F), averaging at 20°C (69°F). Rainfall is minimal during this month, with only 14 mm (0.5 in) occurring over just 2 days, and humidity decreases to a more comfortable 64%. For more details on the weather in August, you can visit Aveiro weather in August.

In January, the weather is noticeably cooler with average temperatures ranging from a minimum of 2°C (36°F) to a maximum of 20°C (69°F). The month experiences higher precipitation, with 77 mm (3.0 in) over about 8 days, and a humidity level of 87%, making it feel quite damp and chilly. In contrast, September brings warmer conditions, with temperatures starting at 11°C (52°F) and peaking at 31°C (88°F) on average. This month has significantly less rainfall, totaling 32 mm (1.3 in) across only 4 days, and lower humidity at 71%, resulting in a much drier and more pleasant atmosphere. For more details, check out Aveiro weather in September.

In comparing the weather between January and October, a noticeable shift in temperatures and precipitation patterns can be observed. January experiences cooler temperatures, with a minimum of 2°C (36°F) and an average of 11°C (51°F), while October sees warmer temperatures, starting from a minimum of 8°C (46°F) and averaging 17°C (63°F), peaking at a maximum of 31°C (87°F). Precipitation in January totals 77 mm (3.0 in) over approximately 8 days, whereas October has slightly higher precipitation at 101 mm (4.0 in) across 9 days. Additionally, humidity levels are higher in January at 87%, compared to October's 79%. For more detailed information, you can check Aveiro weather in October.

In comparing the weather between January and November, January tends to be cooler with an average temperature of 11°C (51°F), while November is slightly warmer with an average of 14°C (57°F). The minimum temperatures in January are lower, starting at 2°C (36°F), compared to November's 6°C (44°F). Moreover, November experiences significantly more rainfall, totaling 137 mm (5.4 in) over 14 days, whereas January sees 77 mm (3.0 in) across only 8 days. Both months have high humidity levels, with January at 87% and November at 86%. For more details about conditions in November, visit Aveiro weather in November.

In comparing the weather of January and December, we observe that January tends to be slightly cooler, with average temperatures ranging from a minimum of 2°C (36°F) to a maximum of 20°C (69°F). December, on the other hand, has a slightly warmer average, with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 19°C (66°F). Precipitation levels are notably higher in December, reaching 150 mm (5.9 in) over 14 days, compared to January's 77 mm (3.0 in) across just 8 days. Interestingly, both months share the same humidity level of 87%, contributing to a consistently moist atmosphere. For a detailed look at the weather patterns in December, you can check out Aveiro weather in December.

Compare Aveiro's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Aveiro

In January, Aveiro showcases a unique blend of cool and damp weather, making it distinct from the warmer months ahead. With average temperatures settling around a brisk 11°C (51°F), the city grapples with considerable humidity and a decent amount of precipitation throughout the month. Although it can be chilly, with minimums occasionally dropping to 2°C (36°F), the cool air combined with refreshing rain nurtures the region’s lush landscapes, setting a serene tone for winter exploration. For a deeper understanding of how January fits into the broader climate patterns, check out Aveiro Climate.