Last updated: February 24, 2025
Experience the charm of São Sebastião, Portugal in May, where spring weather invites exploration. With a maximum temperature of 19°C (67°F) and an average of 16°C (62°F), the climate is pleasantly mild. Expect refreshing evenings with a minimum temperature around 12°C (53°F). However, nature often graces the region with 51 mm (2.0 in) of rainfall spread across 9 days, contributing to the lush scenery. The high humidity level of 83% adds to the ambiance, creating a vibrant atmosphere perfect for outdoor activities and local adventures. Embrace the beauty of May in São Sebastião!
In May, São Sebastião, Portugal, starts to shake off the chill of early spring, revealing a pleasantly mild climate. With minimum temperatures rising slightly to 12°C (53°F) and maximums reaching 19°C (67°F), visitors can enjoy an average of 16°C (62°F), which marks a gentle transition towards the warmer months ahead. This gradual warming trend sets the stage for the hotter months of June through August, making May an ideal time to experience the region's natural beauty in more comfortable conditions. As the town welcomes longer days and blooming landscapes, it's the perfect opportunity for outdoor adventures before the summer rush.
May in São Sebastião, Portugal, brings a modest precipitation total of 51 mm (2.0 in), reflecting a transition towards drier conditions as summer approaches. With just 9 days of rain, the month marks a slight drop in precipitation compared to April's 77 mm and showcases a trend towards lighter, more sporadic rainfall as the year progresses. This decrease continues into June, where the rainfall further declines to 39 mm (1.5 in). The gentle rains of May, while less frequent, contribute to the region's lush landscapes, setting a serene backdrop for the onset of the summer season.
In May, São Sebastião, Portugal experiences a humidity level of 83%, slightly lower than the preceding months, maintaining the trend of stable humidity typical of early spring. This month mirrors the consistent 84% levels seen from January to April, showcasing a gradual shift as summer approaches. Throughout the year, humidity remains relatively high, with July peaking at 86%, yet May serves as a gentle transition, offering a refreshing respite before the summer heat sets in. The overall pattern illustrates a humid coastal climate, where moisture levels typically fluctuate within a narrow range, ensuring that the beauty of São Sebastião is never overshadowed by extreme dryness.
In May, Sao Sebastiao, Portugal experiences a notably high UV Index of 10, signaling very high exposure and a burn time of just 15 minutes. This surge in UV radiation marks a trend toward the peak of the sun's intensity as summer approaches, with the index rising from a moderate 3 in January to an extreme 11 by June. Such levels highlight the importance of protective measures during outdoor activities, as sunburn can occur rapidly. As the season progresses, staying informed about UV conditions becomes essential for safe sun enjoyment. For more detailed information, visit Sao Sebastiao UV Index.
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As May unfolds in São Sebastião, Portugal, the region basks in an impressive 336 hours of sunshine, marking a delightful peak in daylight hours as spring transitions into summer. Following a steady rise from 147 hours in January, sunshine steadily accumulates, reaching 290 hours in April. This continuous ascent is a prelude to the sun-soaked days of June, which boasts 353 hours, further solidifying the trend of increasing daylight. With each passing month from January to May, the climb in sunshine illuminates not just the landscape but also the spirit of all who visit, making it a prime time for exploration and outdoor enjoyment.
As spring unfolds in Sao Sebastiao, Portugal, the likelihood of sunny weather begins to rise, peaking in May with a 32% chance of sunshine. This upward trend marks a clear transition from the cooler months, where January and February see just 22% and 27% chances respectively. The increase continues into June, when sun-filled days become even more common, reaching 44%. With each passing month, residents and visitors alike can eagerly anticipate more time spent under the sun, making May a delightful prelude to the vibrant summer ahead.
As spring unfolds in Sao Sebastiao, Portugal, the length of daylight gradually increases, peaking in May with a delightful 14 hours of sunshine. Starting the year with only 9 hours in January, residents eagerly welcome the lengthening days, which see a steady rise - jumping to 11 hours by March and 13 hours by April. This upward trend continues into June and July, maintaining the same generous 14 hours. As summer wanes into August, daylight begins to gently recede, offering 13 hours before tapering off to 12 hours in September. The shift towards shorter days becomes more pronounced in the following months, culminating in December with a repeat of January's 9 hours. This rhythmic cycle not only shapes daily life but also enhances the region's vibrant, sun-kissed landscapes throughout the year.
In May, Sao Sebastiao experiences a gentle transition in wind patterns, with an average wind speed of 6.6 m/s (15 mph). This mirrors the lower speeds of the preceding months, reflecting a notable decrease from the winter's brisk gusts—10.4 m/s (23 mph) in January and 11.1 m/s (25 mph) in February. As spring unfolds, the winds tend to soften, setting a serene backdrop for visitors and locals alike. Following May, the summer months bring even lighter breezes, emphasizing a gradual decline that reaches a low of 4.8 m/s (11 mph) in June. This trend showcases the natural ebb and flow of Sao Sebastiao's climate, where the assertive winds of early spring give way to milder conditions—perfect for enjoying the coastal beauty and vibrant culture of this stunning Portuguese seaside town.
The weather in Sao Sebastiao changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of May's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Sao Sebastiao and find detailed weather information for every month.
In comparing the weather of May and January, we find that both months exhibit similar average temperatures of around 16°C (61°F). However, May generally experiences slightly warmer conditions, with maximum temperatures peaking at 19°C (67°F) compared to January's 19°C (66°F). In terms of precipitation, January receives more rainfall, totaling 78 mm (3.1 in) over 11 days, while May has 51 mm (2.0 in) of rain over 9 days, indicating that January is typically wetter. Humidity levels are also quite comparable, with January at 84% and May at 83%. For more detailed insights, you can explore Sao Sebastiao weather in January.
When comparing the weather in May and February, we can see some notable differences. May typically enjoys slightly warmer temperatures, with an average of 16°C (62°F) compared to February's 15°C (59°F). The maximum temperature in May reaches 19°C (67°F), while February has a high of 18°C (65°F). However, February experiences higher precipitation, totaling 78 mm (3.1 in) over 14 days, compared to May's 51 mm (2.0 in) across 9 days. Both months share the same humidity level of 83%. For more specifics on February weather, you can check Sao Sebastiao weather in February.
In comparing the weather of May and March, we see that both months have fairly similar temperature ranges and precipitation levels. May experiences slightly warmer temperatures, with an average of 16°C (62°F) compared to March's average of 15°C (59°F). Additionally, May's maximum temperature reaches 19°C (67°F), providing a hint of summer warmth, while March maxes out at 18°C (64°F). Precipitation remains comparable, with May receiving 51 mm (2.0 in) and March just a tad lower at 49 mm (1.9 in), both spread over 9 days. Interestingly, humidity levels are almost the same, with May at 83% and March at 84%. For more detailed weather information, you can check out Sao Sebastiao weather in March.
In comparing the weather of May and April, May tends to be slightly warmer, with average temperatures ranging from a minimum of 12°C (53°F) to a maximum of 19°C (67°F), compared to April's range of 10°C (51°F) to 18°C (64°F). Additionally, May experiences less precipitation, registering 51 mm (2.0 in) over 9 days, while April sees more rain at 77 mm (3.0 in) spread across 13 days. Humidity levels remain fairly consistent, with May at 83% and April slightly higher at 84%. For more detailed information about April weather, you can visit Sao Sebastiao weather in April.
Comparing the weather in May and June reveals a gradual warming trend. May typically sees minimum temperatures around 12°C (53°F) and averages of 16°C (62°F), while June's minimums rise to 14°C (58°F) and average temperatures reach 18°C (66°F). Maximum temperatures also increase, with May peaking at 19°C (67°F) and June reaching 22°C (72°F). Precipitation decreases slightly from 51 mm (2.0 in) over 9 days in May to 39 mm (1.5 in) over just 6 days in June, although humidity remains high in both months, with June at 84% compared to May's 83%. For more detailed information on June weather, visit Sao Sebastiao weather in June.
In comparison to May, July offers significantly warmer weather, with average temperatures rising from 16°C (62°F) in May to 21°C (70°F) in July. The maximum temperature in July reaches 23°C (74°F), while May peaks at 19°C (67°F). Additionally, July experiences less precipitation, with only 20 mm (0.8 in) falling over just 4 days, compared to May's 51 mm (2.0 in) over 9 days. Humidity remains relatively high in both months, increasing slightly from 83% in May to 86% in July. For more specific details, check out Sao Sebastiao weather in July.
May and August present distinct weather patterns, with May being notably cooler and wetter. In May, temperatures range from a minimum of 12°C (53°F) to a maximum of 19°C (67°F), while August enjoys warmer averages, with minimum temperatures starting at 19°C (66°F) and maximums peaking at 24°C (76°F). Precipitation is relatively similar, with May receiving 51 mm (2.0 in) over 9 days compared to August's 45 mm (1.8 in) over 8 days, highlighting a slight decrease in rainfall during the latter month. Humidity levels are also comparable, with May at 83% and August slightly lower at 82%. For a detailed look at August weather, you can refer to Sao Sebastiao weather in August.
In comparing the weather of May and September, we see a marked difference in temperatures. May experiences cooler temperatures with a minimum of 12°C (53°F) and a maximum of 19°C (67°F), while September enjoys milder conditions, starting at a minimum of 19°C (66°F) and peaking at 24°C (76°F). Additionally, May has a higher humidity level at 83%, compared to September's 82%. Precipitation is slightly lower in September at 45 mm (1.8 in) over 11 days, compared to May’s 51 mm (2.0 in) over 9 days. For more specific insights into September weather, you can visit Sao Sebastiao weather in September.
In comparing the weather between May and October, we can see noteworthy differences in temperature and precipitation patterns. May has a milder temperature range, with averages around 16°C (62°F) and a maximum of 19°C (67°F), while October enjoys warmer conditions, averaging 20°C (69°F) and peaking at 24°C (75°F). Precipitation also varies, with May receiving about 51 mm (2.0 in) over 9 days compared to October's 83 mm (3.3 in) across 13 days. Additionally, while May features higher humidity at 83%, October's humidity remains relatively comfortable at 79%. For a closer look at the specific weather conditions during October, you can visit this link: Sao Sebastiao weather in October.
May and November exhibit distinct weather characteristics, with May generally experiencing cooler temperatures. In May, the average temperature hovers around 16°C (62°F), with maximums reaching 19°C (67°F). The month sees about 51 mm (2.0 in) of precipitation over approximately 9 days and maintains a relatively high humidity level of 83%. In contrast, November is slightly warmer, with average temperatures around 18°C (65°F) and highs of 22°C (71°F). However, it is also wetter, receiving 106 mm (4.2 in) of rainfall over 13 days, while humidity remains comfortable at 80%. For a detailed look at November's climate in the region, check out Sao Sebastiao weather in November.
In comparing the weather of May and December, both months present mild temperatures, with May averaging 16°C (62°F) and December slightly warmer at 17°C (63°F). The maximum temperatures are similar, reaching up to 19°C (67°F) in May and 20°C (68°F) in December. However, December experiences significantly more rainfall, with 122 mm (4.8 inches) over 13 days, compared to May's 51 mm (2.0 inches) over 9 days. Additionally, humidity levels are slightly higher in December at 85%, versus 83% in May. For more details on December weather, you can visit Sao Sebastiao weather in December.
As May unfolds in Sao Sebastiao, it brings a welcome transition from the cooler months, with temperatures gradually rising and an average humidity level around 83% contributing to a refreshing coastal atmosphere. While precipitation is still a factor, with about 51 mm over 9 days, the showers are often brief, leaving plenty of time to enjoy the lush landscapes. Compared to the preceding months, May offers a pleasant blend of warmth and occasional rain, making it an ideal time for outdoor activities. For a deeper dive into the patterns and nuances of the region's climate, visit Sao Sebastiao Climate.