Last updated: February 24, 2025
In May, São Bartolomeu, Portugal, experiences a delightful climate characterized by maximum temperatures reaching 31°C (89°F), creating perfect conditions for outdoor adventures. The average temperature settles at a comfortable 17°C (63°F), while the nights can cool down to a refreshing 10°C (49°F). This month sees a moderate precipitation of 39 mm (1.5 in) spread over just 5 days, ensuring ample sunshine while still maintaining humidity levels around 70%. Whether you’re exploring the picturesque landscapes or enjoying vibrant local culture, May offers an inviting atmosphere in this charming locale.
In May, Sao Bartolomeu, Portugal, begins to embrace the warmth of spring, with temperatures showcasing a delightful transition from the cooler months. The minimum temperature climbs to a comfortable 10°C (49°F), setting a pleasant baseline for outdoor activities. As the month progresses, the average temperature reaches a mild 17°C (63°F), while the maximum can soar to a toasty 31°C (89°F), inviting beachgoers and sun-seekers alike. This significant jump in temperature not only signals the arrival of summer but also encourages locals and tourists to explore the stunning landscapes and vibrant culture of the region. Overall, May in Sao Bartolomeu is characterized by rising warmth, making it an ideal time to bask under the sun while enjoying the increasing vibrancy of the area.
May in São Bartolomeu, Portugal, features a notable decrease in precipitation, with only 39 mm (1.5 in) recorded over 5 days, marking it as one of the driest months of the year. This decline follows a steady increase in rainfall from January through April, where the precipitation amounts rose significantly, peaking in April. As the region transitions into summer, this pattern of reduced rainfall continues into June, hinting at a dry spell ahead. With warmer temperatures and longer daylight hours approaching, May serves as a gentle segue into the sun-drenched months that follow, reflecting São Bartolomeu’s shift from spring showers to the warmth of summer.
As spring transitions into summer in São Bartolomeu, Portugal, May maintains a comfortable humidity level of 70%—slightly higher than the preceding months of April and March, which recorded 70% and 72% respectively. This relatively stable humidity invites pleasant outdoor experiences, aligning with the region’s pattern of gradually decreasing moisture as the year progresses toward the drier summer months of June and July, where levels drop further to 63% and 60%. Notably, the winter months of January and November show significantly higher humidity at 85% and 83%, creating a clear contrast that underscores the region's seasonal climate shifts. Overall, May encapsulates a transitional month, both in terms of humidity and seasonal enjoyment.
As May rolls into Sao Bartolomeu, Portugal, the UV Index soars to a striking 10, marking it as a month of very high sun exposure. This increase from April’s 9 signals a trend of intensifying rays as summer approaches, bringing a corresponding burn time of just 15 minutes for unprotected skin. Notably, this trend continues into June, where the index peaks at 11, reminding locals and visitors alike of the importance of sun safety. With months of moderate exposure behind, May serves as a pivotal shift into a season where vigilance against UV radiation is essential. For detailed insights into this year's UV levels, visit Sao Bartolomeu UV Index.
UV Risk Categories
May brings an explosion of sunshine to São Bartolomeu, Portugal, with 408 hours of glorious daylight that shimmer brilliantly as spring transitions into summer. This month stands out not only for its abundant sunlight but also as a continuation of a steady upward trend that begins in January, where the sun graces the region with a mere 181 hours. Each subsequent month reveals a gradual increase, with April marking a notable 352 hours, paving the way for May's radiant embrace. The sunny momentum carries into June and July, reaching a peak of 420 hours in the height of summer. This delightful accumulation of light highlights May as a pivotal month, perfectly balancing warm temperatures and enchanting daylight for outdoor adventures and leisurely pursuits, setting the stage for a vibrant summer ahead.
In Sao Bartolomeu, Portugal, the likelihood of sunny weather in May stands at a moderate 50%, positioning it as a transitional month between the cooler, less sunny early year and the warmer, brighter summer. As you move from January's 46% chance of sun to July's peak of 64%, it's evident that May serves as a turning point. While it holds slightly better odds than the preceding months of April with 36% and February with just 23%, it still lingers at a middle ground compared to the sun-drenched summer months. This gradual increase in sunshine through the spring months suggests that May can be a promising time for outdoor activities, blending the freshness of spring with the warmth of approaching summer.
As the seasons transition in São Bartolomeu, Portugal, May emerges as a vibrant month, boasting 14 hours of daylight that herald the height of spring. This increase in sunlight follows a steady ascent from January's modest 9 hours, illustrating a clear trend of longer days as winter gives way to warmer weather. The daylight peaks in both May and June, creating an idyllic backdrop for outdoor activities. Following this peak, August marks a gentle decline to 13 hours, while the daylight hours gradually taper off as autumn approaches, reflecting the cyclical nature of the seasons. Overall, May serves as a splendid reminder of the sun’s return and the inviting warmth that accompanies it.
In May, São Bartolomeu, Portugal experiences a refreshing breeze with an average wind speed of 5.4 m/s (12 mph), closely matching the consistent winds of June. This slight increase from April’s calm conditions heralds the arrival of warmer weather, offering the perfect setting for outdoor activities and coastal strolls. Interestingly, the wind speeds in May kick off a trend of gradual enhancement from March’s lower levels, peaking in July with a notable 5.6 m/s (12 mph) before tapering off as summer progresses. As the month unfolds, the combination of gentle winds and vibrant spring landscapes creates an inviting atmosphere, making May an ideal time for both relaxation and adventure in this picturesque region.
The weather in Sao Bartolomeu 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 Bartolomeu and find detailed weather information for every month.
When comparing the weather in May and January, May presents a significantly warmer climate with average temperatures reaching up to 17°C (63°F) and maximums soaring to 31°C (89°F). In contrast, January's temperatures are cooler, with averages around 11°C (53°F) and maximums peaking at 19°C (67°F). Although May sees slightly less precipitation (39 mm or 1.5 in over 5 days) compared to January's 45 mm (1.8 in over 7 days), the humidity is higher in January at 85%, compared to 70% in May. For a closer look at January conditions, visit Sao Bartolomeu weather in January.
When comparing the weather in May and February, May generally shows warmer temperatures, with minimums of 10°C (49°F) and averages around 17°C (63°F), peaking at a maximum of 31°C (89°F). In contrast, February has a cooler temperature range, with minimums at 5°C (41°F), an average of 13°C (55°F), and maximums reaching 22°C (71°F). Despite May experiencing slightly less precipitation (39 mm or 1.5 in over 5 days) compared to February's 54 mm (2.1 in over 8 days), humidity levels remain high in both months, with May at 70% and February slightly higher at 75%. For more specific details regarding February's climate, you can check out Sao Bartolomeu weather in February.
In comparing the weather between March and May, we observe a notable increase in temperatures as spring progresses into late spring. May experiences a wider temperature range, with minimums around 10°C (49°F) and maximums reaching 31°C (89°F), resulting in an average of 17°C (63°F). In contrast, March has cooler temperatures, starting with a minimum of 7°C (44°F) and capping at a maximum of 24°C (76°F), with an average of 13°C (56°F).
Precipitation also varies, as May has 39 mm (1.5 in) falling over approximately 5 days, while March sees higher rainfall of 69 mm (2.7 in) across about 9 days, making March wetter overall. Humidity levels are relatively close, with May at 70% and March slightly higher at 72%. For more detailed information, you can check Sao Bartolomeu weather in March.
In comparing the weather between April and May, it is evident that May tends to be warmer and drier. May's minimum temperature starts at 10°C (49°F) with an average of 17°C (63°F), reaching up to a maximum of 31°C (89°F). In contrast, April records lower temperatures, with a minimum of 7°C (45°F) and a maximum of 25°C (76°F), leading to a cooler overall average of 14°C (58°F). Additionally, May experiences significantly less precipitation, totaling 39 mm (1.5 in) over just 5 days, while April sees more rainfall at 79 mm (3.1 in) spread across 12 days. Both months maintain a consistent humidity level of 70%. For further details on April weather, you can refer to Sao Bartolomeu weather in April.
May and June present similar temperature ranges, with both months experiencing maximums close to 31°C (89°F) and 88°F, respectively. However, May typically starts with cooler nights, averaging a minimum of 10°C (49°F), while June sees slightly warmer nights at 13°C (55°F). Rainfall is notably reduced in June, with only 17 mm (0.7 in) of precipitation compared to May’s 39 mm (1.5 in) and both months having about five rainy days. Furthermore, June enjoys lower humidity at 63%, making it feel more comfortable compared to May’s higher humidity level of 70%. For more details, check out Sao Bartolomeu weather in June.
May and July showcase distinct weather patterns. In May, temperatures range from a minimum of 10°C (49°F) to a maximum of 31°C (89°F), with an average of around 17°C (63°F). The month experiences moderate rainfall, with 39 mm (1.5 in) of precipitation over about 5 days, and the humidity sits at a relatively high 70%. In contrast, July boasts milder conditions with a lower minimum temperature of 14°C (58°F) and a slightly higher maximum of 32°C (90°F), resulting in an average temperature of 19°C (67°F). Rain is scarce in July, totaling only 8 mm (0.3 in) across just 1 day, and the humidity decreases to 60%. This shift from May’s wetness to July's dry warmth highlights the transition from spring to summer. For more details, check out Sao Bartolomeu weather in July.
In May, temperatures range from a cool 10°C (49°F) to a warm 31°C (89°F), with an average of 17°C (63°F). The month experiences moderate rainfall, totaling 39 mm (1.5 in) over about 5 days, along with a higher humidity level of 70%. In contrast, August brings milder temperatures, with a minimum of 15°C (60°F), an average of 20°C (68°F), and a maximum of 33°C (92°F). Precipitation is considerably lower in August, with only 6 mm (0.2 in) falling across just 1 day and a decreased humidity level of 60%. For a more detailed look at August's weather, you can visit Sao Bartolomeu weather in August.
May and September share similar maximum temperatures, both reaching around 31°C (89°F) and 31°C (88°F) respectively, indicating warm days. However, May tends to be slightly cooler overall with an average temperature of 17°C (63°F) compared to September's 19°C (67°F). Precipitation is slightly higher in May at 39 mm (1.5 in) over 5 days, while September sees less rain with only 27 mm (1.1 in) across 3 days. Additionally, humidity is greater in May at 70%, compared to September's 67%, which may make September feel a bit more comfortable. For more details on September weather, check out Sao Bartolomeu weather in September.
May and October present a transition in weather patterns, yet both months enjoy relatively mild temperatures. In May, temperatures range from a minimum of 10°C (49°F) to a maximum of 31°C (89°F), with an average of 17°C (63°F) and moderate humidity at 70%. In comparison, October experiences slightly cooler temperatures, with a minimum of 9°C (48°F) and a maximum of 30°C (86°F), averaging 18°C (64°F) and higher humidity at 74%. Precipitation also differs, with May receiving 39 mm (1.5 in) over 5 days, while October sees increased rainfall of 63 mm (2.5 in) over 6 days. For more details on the October weather, you can visit Sao Bartolomeu weather in October.
May and November showcase contrasting weather patterns. In May, temperatures range from a minimum of 10°C (49°F) to a maximum of 31°C (89°F), with an average of 17°C (63°F). The month enjoys relatively low precipitation at 39 mm (1.5 in) over just five days, accompanied by a humidity level of 70%. In comparison, November brings cooler temperatures, with a minimum of 8°C (46°F) and a maximum of 23°C (73°F), averaging 14°C (58°F). However, it is much wetter, experiencing 90 mm (3.6 in) of rain across 13 days, along with increased humidity at 83%. For a more detailed understanding of November's weather in the region, you can visit Sao Bartolomeu weather in November.
May and December present contrasting weather patterns. In May, temperatures range from a minimum of 10°C (49°F) to a pleasant average of 17°C (63°F), peaking at 31°C (89°F), while precipitation totals a relatively low 39 mm (1.5 in) over about 5 days. The humidity is comfortable at 70%. In contrast, December experiences cooler temperatures, with a minimum of 5°C (42°F) and an average of 13°C (55°F), reaching a maximum of only 18°C (65°F). This month also sees increased precipitation, amounting to 71 mm (2.8 in) over 10 days, and higher humidity levels at 85%. Overall, May offers warmer and drier conditions, while December is cooler and wetter. For more detailed information on December weather, check this link: Sao Bartolomeu weather in December.
As May unfolds in Sao Bartolomeu, temperatures begin to rise, offering a delightful transition from the cooler spring months. With warm days averaging around 17°C and peaks reaching up to 31°C, the weather is ideal for outdoor exploration. While the region experiences a modest 39 mm of precipitation over just 5 days, it’s certainly less than the rainy months that precede it. The 70% humidity adds a touch of tropical flair, but overall, May is characterized by a comfortable warmth and pleasant conditions that set the stage for summer adventures. To learn more about the seasonal changes throughout the year, check out Sao Bartolomeu Climate.