Last updated: February 24, 2025
April in Viana do Castelo, Portugal showcases a delightful transition into spring, with temperatures ranging from a crisp 3°C (38°F) at night to a pleasant maximum of 26°C (79°F) during the day. The month experiences an average temperature of 13°C (56°F), creating an inviting climate for exploration. However, be prepared for some rain, as 169 mm (6.7 in) of precipitation falls over approximately 13 days, contributing to the lush landscapes. With humidity levels around 79%, the air remains refreshingly vibrant, making April a picturesque time to enjoy this beautiful coastal region.
In April, Viana do Castelo begins to shed the chill of winter, showcasing a delightful transition towards warmer days. With minimum temperatures rising to 3°C (38°F) and maximums reaching a pleasant 26°C (79°F), this month marks a significant increase in warmth from the previous months. The average temperature settles at 13°C (56°F), hinting at the arrival of spring's vibrancy. As nature awakens, the weather becomes more inviting, making it an ideal time for outdoor activities and enjoying the stunning coastal scenery. April's mild climate sets the stage for the summer warmth that follows, encouraging both locals and visitors to embrace the blossoming beauty of Viana do Castelo.
April in Viana do Castelo, Portugal, presents a notable shift in precipitation patterns as the region transitions into spring. With 169 mm (6.7 in) of rainfall spread over 13 days, April's precipitation remains significant, yet slightly lower than the preceding months of February and March. This trend indicates that while spring brings occasional rain, the total has decreased from the earlier winter months when precipitation was notably high, such as 185 mm in February and 186 mm in March. The rainfall in April signals the tail end of the wetter season, paving the way for a noticeable drop in precipitation as summer approaches, which typically sees much drier conditions, with May recording just 106 mm (4.2 in). This gradual decline reflects the region's characteristic climate, with April serving as a bridge between the lingering dampness of winter and the pleasantly dry months ahead.
April in Viana do Castelo, Portugal, sees a humidity level of 79%, which marks a slight increase from the preceding month of March at 78%. This modest uptick in humidity hints at the transition from the cooler winter months toward the warmth of spring. As the year progresses, humidity levels generally trend downward, reaching their lowest in the summer months of July and August, where they drop to 63% and 64%, respectively. By the time autumn arrives, humidity begins to rise again, peaking in the winter with levels at 87% in both January and December. Thus, April serves as a pivotal point in the annual cycle, bridging the drier spells of late winter and the wetter months to come.
As April arrives in Viana do Castelo, Portugal, the UV Index sharply rises to 8, categorizing the exposure as very high. This significant increase from March, when the index was at 6, highlights the ongoing trend of intensifying sunlight as spring unfolds. Residents and visitors alike should take precautions, as the burn time drops to just 15 minutes—a stark reminder of the power of the sun during this time. Continuing through the spring, May and June maintain similar levels of UV intensity, emphasizing the importance of sun safety. For more detailed insights on UV radiation throughout the year, visit the resource on Viana do Castelo UV Index.
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As spring unfolds in Viana do Castelo, Portugal, April basks in 348 hours of sunshine, marking a delightful leap from the previous months. This sunny surge is a precursor to even more radiant days ahead, as the region enjoys an impressive increase in daylight hours. Following April, May benefits from 405 hours, while June and July reach their peak, reflecting a trend of abundant sunshine that characterizes the summer months. This seasonal transition not only enhances the charm of Viana do Castelo but also invites both locals and visitors to embrace outdoor adventures amidst its picturesque landscapes. As the sun brightens the city, the joy of springtime in April becomes a vibrant prelude to a sultry summer, encapsulating the essence of Portugal's invigorating climate.
In Viana do Castelo, April experiences a moderate likelihood of sunny weather, with a 40% chance of sunshine. Following the typically wet months of January and February, the region begins to warm up in March, where the chances of sunshine increase to 58%. This trend of gradually rising sun exposure continues into May, which sits at 46%. Interestingly, as we move into the summer months, the likelihood of sun peaks in August at 66%, suggesting that while April may offer a breezy transition from winter's gloom, it's just a precursor to the sunnier days ahead. Overall, April provides a refreshing backdrop for springtime activities, even if the sun isn't always shining.
As spring unfolds in Viana do Castelo, Portugal, the daylight hours undergo a notable transformation. In April, residents can bask in 13 hours of daylight, a significant increase from the 11 hours of March. This trend highlights the gradual shift towards longer days, paving the way for even brighter moments in May with 14 hours of daylight. The extended daylight not only invites more outdoor activities but also serves as a reminder of the vibrant life that accompanies the season. Observing this progression from the shorter days of winter to the lengthening glow of spring captures the essence of time’s refreshing passage in this picturesque coastal town.
In April, Viana do Castelo experiences a gentle lull in wind speed, with an average of 2.8 m/s (6 mph), marking the slowest winds of the year. This serene atmosphere follows a breezy March, where winds peaked at 3.0 m/s (7 mph), and is a precursor to the slightly increased gusts in May and June. Interestingly, the month of April is characterized by a refreshing calm, making it an ideal time for leisurely coastal strolls and enjoying the blossoming scenery. As the seasons transition, the winds begin to pick up again in late spring, hinting at warmer days ahead, yet April holds a special charm with its delicate, softer breezes that beckon nature lovers and those in search of tranquility.
The weather in Viana do Castelo changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of April's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Viana do Castelo and find detailed weather information for every month.
April brings milder temperatures to Viana do Castelo, ranging from a minimum of 3°C (38°F) to a maximum of 26°C (79°F), with an average of 13°C (56°F). In contrast, January experiences colder weather, with temperatures dropping as low as -1°C (31°F) and peaking at 20°C (69°F), averaging around 9°C (49°F). While both months see significant precipitation, April has 169 mm (6.7 in) over 13 days compared to January's 136 mm (5.4 in) over 10 days. Additionally, January tends to be more humid, with levels at 87%, compared to April's 79%. For a closer look at January's conditions, visit Viana do Castelo weather in January.
When comparing the weather in April and February, April tends to be slightly warmer, with average temperatures ranging from a minimum of 3°C (38°F) to a maximum of 26°C (79°F), compared to February's range of 1°C (35°F) to 21°C (70°F). Additionally, April receives a bit less precipitation at 169 mm (6.7 in) over 13 days, while February experiences 185 mm (7.3 in) also over 13 days. Humidity levels are quite similar, with April at 79% and February at 81%. For more detailed insights on February weather conditions, you can visit Viana do Castelo weather in February.
When comparing the weather in March and April, we see some notable differences. April experiences slightly warmer temperatures, with an average of 13°C (56°F) compared to March's 12°C (53°F). While both months have a similar number of rainy days, April has a slightly lower total precipitation at 169 mm (6.7 in) compared to March's 186 mm (7.3 in). Additionally, April's maximum temperature can reach up to 26°C (79°F), making it feel more like spring, whereas in March, the maximum is 23°C (73°F). Both months have comparable humidity levels, with March at 78% and April at 79%. For more detailed information on March weather, visit Viana do Castelo weather in March.
April and May present distinct shifts in weather patterns. In April, temperatures range from a chilly minimum of 3°C (38°F) to a pleasant maximum of 26°C (79°F), with an average of 13°C (56°F). The month sees substantial precipitation, totaling 169 mm (6.7 in) over 13 days, resulting in a humidity level of 79%. In contrast, May offers a warmer environment, with minimum temperatures of 6°C (43°F) and maximums reaching 29°C (84°F), averaging at 16°C (61°F). Rainfall decreases to 106 mm (4.2 in) over just 9 days while maintaining a similar humidity level of 78%. For more specific details on weather conditions, refer to Viana do Castelo weather in May.
In comparing the weather between April and June, April generally experiences cooler temperatures, with a minimum of 3°C (38°F) and an average of 13°C (56°F) compared to June's minimum of 9°C (48°F) and an average of 17°C (63°F). Precipitation is notably higher in April, with 169 mm (6.7 in) over approximately 13 days, while June sees significantly less rain at 59 mm (2.3 in) across just 7 days. Additionally, humidity levels are higher in April at 79%, contrasting with June’s 71%, making the latter month feel somewhat drier and milder. For a detailed look at June's weather specifics, you can visit Viana do Castelo weather in June.
When comparing the weather in April and July, significant differences emerge. April sees a broader temperature range, with minimums around 3°C (38°F) and maximums reaching 26°C (79°F), while the average temperature hovers at 13°C (56°F). It is also characterized by considerable rainfall, accumulating 169 mm (6.7 in) over the month, with rain on about 13 days, contributing to a high humidity level of 79%. In contrast, July offers much milder conditions, with minimum temperatures of 11°C (53°F) and maximums reaching 30°C (87°F), leading to a higher average of 20°C (67°F). Rainfall drops significantly to only 26 mm (1.0 in) over just 5 days, resulting in a more comfortable humidity level of 63%. For a detailed look at July's weather, you can visit Viana do Castelo weather in July.
April and August present distinct weather patterns. In April, temperatures range from a chilly minimum of 3°C (38°F) to a comfortable maximum of 26°C (79°F), averaging around 13°C (56°F). The month is also characterized by significant precipitation, totaling 169 mm (6.7 in) over 13 days, accompanied by high humidity levels of 79%. In contrast, August experiences warmer conditions, with minimum temperatures of 12°C (54°F) and maximums reaching up to 32°C (90°F), averaging 20°C (67°F). Rainfall is minimal in August at just 30 mm (1.2 in) over 3 days, and the humidity is notably lower at 64%. For more details, check out Viana do Castelo weather in August.
April and September present a striking contrast in weather patterns. In April, temperatures range from a chilly 3°C (38°F) to a comfortable high of 26°C (79°F), with an average of 13°C (56°F). However, this month experiences a considerable amount of rainfall, totaling 169 mm (6.7 in) over about 13 days, coupled with high humidity at 79%. In contrast, September boasts milder temperatures, with minimums of 10°C (50°F) and maximums reaching 30°C (86°F), averaging 19°C (66°F). This month is much drier, with only 49 mm (1.9 in) of rain across approximately 6 days and lower humidity at 71%. For a deeper look at September’s climate, visit Viana do Castelo weather in September.
April and October showcase distinct yet mild weather patterns, making both months enjoyable in their own right. In April, temperatures can dip as low as 3°C (38°F), with an average of 13°C (56°F) and highs reaching 26°C (79°F). The month experiences significant rainfall, totaling 169 mm (6.7 in) on about 13 days. In contrast, October starts off with slightly warmer minimum temperatures at 6°C (43°F) and an average of 16°C (61°F), peaking at 29°C (84°F). Rainfall is a bit lower, with 152 mm (6.0 in) over 11 days. While both months share a consistent humidity level of 79%, October’s cozier temperatures and milder precipitation make it a delightful choice for outdoor activities. For more information, check out Viana do Castelo weather in October.
April and November present similar minimum temperatures, both starting at around 3°C (38°F). However, April enjoys slightly warmer average temperatures, with an average of 13°C (56°F) compared to November's 12°C (54°F), and a higher maximum temperature of 26°C (79°F) versus November's 21°C (70°F). In terms of precipitation, November is wetter, receiving 216 mm (8.5 in) over 15 days, while April has 169 mm (6.7 in) across 13 days. The humidity in November is also higher at 86%, compared to April's 79%. For a closer look at November weather specifics, you can check Viana do Castelo weather in November.
In comparing the weather between April and December, April offers a slightly warmer experience with average temperatures reaching 13°C (56°F), peaking at a maximum of 26°C (79°F). Meanwhile, December sees cooler temperatures, with an average of 11°C (52°F) and a maximum of 19°C (66°F). Precipitation is noticeably higher in December, totaling 246 mm (9.7 in) over 17 days, compared to April's 169 mm (6.7 in) across 13 days. Additionally, December exhibits a higher humidity level at 87%, while April maintains a humidity of 79%. For more detailed information, you can check out Viana do Castelo weather in December.
As April unfolds in Viana do Castelo, the weather begins to transition into a milder phase compared to the chillier months preceding it. While daytime temperatures occasionally reach a pleasant 26°C, the early mornings can still present a brisk chill, dipping down to about 3°C. This month also sees a notable amount of precipitation, contributing to an average humidity of 79%, which keeps the atmosphere fresh yet damp. With around 13 days of rain, April’s weather can be unpredictable, setting it apart from the drier conditions found in the upcoming summer months. Overall, this transitional period showcases a vibrant landscape readying for the warmer days ahead. For a deeper dive into the weather nuances of this charming region, check out Viana do Castelo Climate.