May Weather in Alcobaca, Portugal

Last updated: February 24, 2025

Experience the charming month of May in Alcobaça, Portugal, where temperatures reach a maximum of 34°C (94°F), offering warm, sun-soaked days. The average temperature settles around 17°C (63°F), while refreshing evenings might bring a low of 8°C (47°F). Despite a few rain showers accounting for 47 mm (1.8 in) of precipitation over 7 days, the humidity remains at a comfortable 70%, making it an ideal time to explore the vibrant landscapes and historical sites of this picturesque town. Enjoy the balance of sunny and slightly rainy days that May offers, perfect for both relaxation and adventure.

May Temperature in Alcobaca

In May, Alcobaça, Portugal begins to bask in the warmth of spring, with temperatures rising noticeably. The month welcomes a minimum temperature of 8°C (47°F), hinting at a gentle start to the season, while the average temperature settles at a comfortable 17°C (63°F). As the days progress, the maximum temperature can soar to an impressive 34°C (94°F), reflecting a significant leap from the cooler months preceding it. This trend showcases May as a significant transition point, bridging the mildness of early spring and the heat of early summer, making it an ideal time to enjoy the region's outdoor charm.

May Weather in Alcobaca: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Alcobaca, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec515455586365686868645754
Data source: Temperature data for Alcobaca 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.

May Precipitation in Alcobaca

In May, Alcobaça experiences a notable shift in precipitation patterns as spring begins to wane. With 47 mm (1.8 in) of rain over 7 days, May marks a slight decrease in rainfall compared to the wetter months of April and March, which both exceeded 80 mm. This trend towards drier weather signals the beginning of the warm season, which will continue into the summer months, where June sees a further drop to just 25 mm (1.0 in). The reduction in precipitation not only impacts the local landscape but also sets the stage for the sun-drenched days ahead, creating a balance between the lush greenery nurtured by spring rains and the impending warmth of summer.

May Precipitation Trends in Alcobaca

The chart displays monthly precipitation patterns in Alcobaca, with values for each month alongside May's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec50588795472510730729774
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Alcobaca

In Alcobaca, Portugal, May brings a comfortable transition in humidity levels, maintaining a steady 70%, mirroring the slightly drier conditions of April. As spring reaches its peak, humidity begins to dip from the highs of winter, which experience levels around 85% in January and 83% in November. The gradual decline continues through to June, where humidity drops to 63%, signaling the onset of summer. This pattern illustrates a clear trend: as the year progresses from the cooler, wetter months to the warmer season, humidity levels decrease, creating a more pleasant atmosphere for outdoor activities during the late spring and early summer.

May Average Humidity in Alcobaca

This chart illustrates the average monthly humidity levels in Alcobaca, with May's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how May's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec85%75%72%70%70%63%60%60%68%74%83%85%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Alcobaca

In May, Alcobaca, Portugal experiences a notably high UV Index of 9, categorized as very high, similar to the peak seen in April. With a burn time of just 15 minutes, it's essential to take protective measures when enjoying the sunny weather. This trend of elevated UV levels continues into June, when the index climbs to an even more extreme rating of 11. The data clearly indicates that as spring transitions into summer, precautions against sun exposure should be increasingly prioritized. For more detailed information on UV levels throughout the year, check out Alcobaca UV Index.

Maximum UV Index Levels in Alcobaca for May

The chart shows the monthly maximum UV Index (UVI) for Alcobaca in May, 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.
JanFebMarAprMayJunJulAugSepOctNovDec35699111098643
Data source: Alcobaca May 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.

May Sunshine in Alcobaca

In Alcobaça, Portugal, May shines brightly with an impressive 406 hours of sunshine, marking a peak in the region's radiant spring season. The trend of increasing sunlight is evident as the year progresses; from 178 hours in January to a stunning 418 hours in July, each month builds on the last, welcoming longer days and warmer weather. Following May, the sunshine begins to taper off slightly, with June still basking in 405 hours, while August offers a delightful 393 hours. This consistent growth in sunshine not only enhances the natural beauty of Alcobaça but also invites visitors to revel in its vibrant landscapes and rich history, creating an enticing blend of culture and sunshine throughout the spring and early summer months.

Monthly Sunshine Duration in Alcobaca: May Highlighted

The May sunshine duration represents the total number of hours Alcobaca experiences direct sunlight during the month of May, excluding cloudy or obstructed periods. This chart compares the sunshine duration of May with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec178h225h300h348h406h405h418h393h347h310h228h213h
Data source: Alcobaca May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Alcobaca During May

In Alcobaca, Portugal, May brings a notable shift in weather patterns, with a 48% chance of sunny days that hints at the onset of summer. This indicates a slight improvement from the previous month, April, where the sun only shone 32% of the time. As spring transitions into summer, the likelihood of sunny weather steadily increases, culminating in the peak sun exposure seen during the summer months of July and August. The upward trend in sunshine, particularly following March's 57% chance, reflects the region's warming climate and offers a promising outlook for those looking to enjoy delightful May days in this charming locale.

Percentage of Sunny Days in May in Alcobaca

The chart illustrates the percentage of sunny days in Alcobaca throughout the year, with May 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 Alcobaca experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec45%22%57%32%48%54%63%66%53%51%63%37%
Data source: Alcobaca May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Alcobaca in May

In Alcobaça, Portugal, the rhythm of the seasons is beautifully reflected in the daylight duration throughout the year. As winter fades, daylight gradually increases from 9 hours in January to a delightful 14 hours by May, heralding the arrival of longer, sunnier days that encourage outdoor activities and exploration. This peak daylight continues into June and July, creating a vibrant summer atmosphere, before gently tapering off in August and September. By October, daylight begins its descent again, reverting to 11 hours, and settling back to 9 hours during the colder months of November and December. This clear progression not only brightens the spring and summer months but also underscores the invigorating energy found in Alcobaça's shifting seasons.

Average Daylight Hours in Alcobaca for May

The chart illustrates the variation in daylight duration in Alcobaca throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 42m10h 42m11h 58m13h 16m14h 21m14h 54m14h 37m13h 38m12h 24m11h 6m9h 59m9h 24m
Data source: Alcobaca daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Alcobaca

In May, Alcobaca, Portugal, experiences a notable uptick in wind activity, with an average wind speed of 4.8 m/s (11 mph). This increase follows a gradual decline from the breezier winter months, where wind speeds hovered around 4.3 to 4.6 m/s. As spring transitions into summer, the winds pick up again, matching the prevailing June levels, suggesting a steady momentum that continues into the warmer months. The consistency of wind speeds during this period not only enhances the region's charm but also marks May as a pivotal month where the gentle breezes begin to harmonize with the vibrant bloom of nature, creating an idyllic atmosphere for outdoor activities and exploration.

Average May Wind Speed in Alcobaca

The chart displays monthly wind speed patterns in Alcobaca, with values for each month shown alongside May's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how May's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.34.63.73.04.8 m/s4.85.14.43.93.43.94.6
Data source: Alcobaca May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Alcobaca Compares to Other Months

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

In comparing the weather between May and January, it is evident that May offers warmer temperatures, with averages around 17°C (63°F) and potential highs reaching up to 34°C (94°F), in contrast to January's average of 11°C (51°F) and maximum of 20°C (68°F). While May experiences slightly less precipitation at 47 mm (1.8 in) over 7 days, January sees a comparable 50 mm (2.0 in) with similar rainy days. Additionally, January tends to have higher humidity levels at 85%, compared to May's 70%, making it feel a bit more humid and cooler during the winter months. For more specific details on January weather conditions, visit Alcobaca weather in January.

When comparing the weather in May and February, it's clear that May tends to be warmer and more variable. In May, temperatures range from a minimum of 8°C (47°F) to a maximum of 34°C (94°F), with an average of 17°C (63°F). In contrast, February offers cooler temperatures, with a minimum of 3°C (37°F) and a maximum of 23°C (74°F), averaging around 12°C (54°F). While May experiences precipitation on about 7 days, totaling 47 mm (1.8 in), February has slightly higher precipitation at 58 mm (2.3 in) over 8 days. Humidity levels are relatively similar, with May at 70% and February slightly higher at 75%. For more specifics about February weather, you can check Alcobaca weather in February.

When comparing the weather in May and March, May generally presents warmer temperatures, with minimums of 8°C (47°F) and average highs reaching up to 34°C (94°F). In contrast, March temperatures start lower, with a minimum of 5°C (41°F) and a maximum of 27°C (81°F). Additionally, March tends to be wetter, receiving 87 mm (3.4 in) of precipitation over 9 days, compared to May's 47 mm (1.8 in) over 7 days. Humidity levels remain fairly similar, with March at 72% and May at 70%. For a closer look at weather specifics for March, check out the details here: Alcobaca weather in March.

In comparing the weather of May and April, it’s evident that May experiences warmer temperatures, with a minimum of 8°C (47°F) and an average of 17°C (63°F), compared to April's minimum of 6°C (44°F) and an average of 14°C (58°F). May reaches higher maximum temperatures, peaking at 34°C (94°F), while April's maximum stays at 29°C (84°F). However, April sees more precipitation, totaling 95 mm (3.7 in) over 13 days, which is significantly higher than May's 47 mm (1.8 in) over just 7 days. Despite both months having the same humidity level of 70%, April’s wetter conditions may contribute to a cooler, more humid atmosphere. For further details, you can check Alcobaca weather in April.

May and June exhibit similar temperature trends, with June slightly warmer overall. In May, temperatures range from a minimum of 8°C (47°F) to a maximum of 34°C (94°F), while June sees a minimum of 11°C (53°F) and a maximum of 35°C (95°F). This indicates a gradual increase in warmth as summer approaches. Precipitation decreases notably in June, with only 25 mm (1.0 in) recorded compared to May's 47 mm (1.8 in), although both months experience rain on 7 days. Additionally, June has a lower humidity level of 63%, offering a more comfortable atmosphere than the 70% humidity found in May. For a detailed overview of June's weather specifics, you can check Alcobaca weather in June.

May and July present distinct weather patterns, showcasing the transition from spring to summer. In May, temperatures range from a cool 8°C (47°F) at night to a warmer 34°C (94°F) during the day, with an average of 17°C (63°F). This month also sees a fair amount of rainfall, totaling 47 mm (1.8 in) over approximately seven days, contributing to a higher humidity of 70%. In contrast, July offers warmer conditions, with temperatures ranging from a minimum of 13°C (57°F) to a high of 36°C (97°F) and an average of 20°C (68°F). Rainfall is significantly lower in July, with only 10 mm (0.4 in) recorded over three days, and humidity levels drop to 60%. For more details, you can check out Alcobaca weather in July.

In May, the weather showcases a wider range of temperatures, with a minimum of 8°C and a maximum of 34°C, creating a spring-like atmosphere that can swing from cool to warm. This month also experiences moderate precipitation, averaging around 47 mm over 7 days, accompanied by a relatively high humidity of 70%. In contrast, August features warmer temperatures with a minimum of 14°C and a peak of 38°C, achieving a more consistently hot climate with an average of 20°C. Rainfall is significantly lower in August, only 7 mm over 1 day, and humidity drops to 60%, making it a drier and warmer month overall. For more detailed insights, you can check Alcobaca weather in August.

May and September exhibit distinct weather characteristics, each with their own unique charm. In May, temperatures range from a cool 8°C (47°F) at night to a warm 34°C (94°F) during the day, with an average of 17°C (63°F). The month sees approximately 47 mm (1.8 in) of precipitation over about seven days, coupled with a humidity level of 70%. In contrast, September offers milder conditions with minimum temperatures of 12°C (54°F) and an average high of 34°C (94°F), but a more comfortable average of 20°C (68°F). Precipitation is less frequent, totaling about 30 mm (1.2 in) over just three days, and humidity is slightly lower at 67%. For more details on the specific weather conditions in September, you can check out Alcobaca weather in September.

May and October showcase relatively mild weather, but with some notable differences. In May, temperatures range from a minimum of 8°C (47°F) to a maximum of 34°C (94°F), with an average temperature of 17°C (63°F) and about 47 mm of precipitation over seven days. In contrast, October presents slightly cooler conditions with a minimum of 7°C (46°F) and an average of 18°C (64°F), but it can still reach a maximum of 35°C (95°F). The month tends to be wetter as well, averaging 72 mm of rainfall over the same duration, while humidity increases slightly to 74%. For those interested in specific climate details, check out Alcobaca weather in October.

May and November present quite different weather experiences. In May, temperatures range from a minimum of 8°C (47°F) to a maximum of 34°C (94°F), with an average of 17°C (63°F), offering warm days complemented by moderate humidity levels around 70%. Precipitation is relatively low at 47 mm (1.8 in), occurring on about 7 days throughout the month.

In contrast, November sees cooler temperatures, with a minimum of 7°C (45°F) and a maximum of 25°C (76°F), resulting in an average of just 14°C (57°F). This month also experiences higher precipitation, totaling 97 mm (3.8 in) across approximately 13 days, along with increased humidity at 83%. For more detailed insights on November weather, you can visit Alcobaca weather in November.

May and December exhibit distinctly different weather patterns. In May, temperatures range from a minimum of 8°C (47°F) to a maximum of 34°C (94°F), with an average of 17°C (63°F). The month experiences moderate precipitation of 47 mm (1.8 in) over about 7 days and a humidity level of 70%. In contrast, December is cooler, with a minimum temperature of 2°C (36°F) and a maximum of 19°C (66°F), averaging 12°C (54°F). It sees more rainfall, totaling 74 mm (2.9 in) over approximately 10 days, accompanied by higher humidity at 85%. For more details, you can check Alcobaca weather in December.

Compare Alcobaca's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Alcobaca

As May unfolds in Alcobaça, the weather transitions into a delightful spring warmth, marked by a strikingly mild average temperature that invites outdoor exploration. In contrast to the cooler months, May shines with longer, sunnier days, making it an excellent time for visitors to experience the region's beauty. Although there's a slight uptick in rainfall, the overall atmosphere remains enjoyable, with the air retaining a comfortable humidity level. For those planning their travels, understanding the distinctiveness of May's weather compared to other months can enhance their experience. Discover more about the region's climate trends at Alcobaca Climate.