May Weather in Sesimbra, Portugal

Last updated: February 24, 2025

Experience the delightful May weather in Sesimbra, Portugal, where temperatures range from a warm 10°C (50°F) at night to a sun-soaked 31°C (87°F) during the day. With an average temperature of 18°C (64°F), this charming coastal town offers a perfect backdrop for outdoor activities. Although occasional rain is in the forecast, with 31 mm (1.2 in) of precipitation spread across four days, the 70% humidity adds a touch of refreshing sea breeze to the atmosphere. Embrace the blend of sun and mild weather that makes May an ideal month to explore the stunning landscapes of Sesimbra!

May Temperature in Sesimbra

In May, Sesimbra, Portugal, begins to truly embrace the warmth of spring, with temperatures marking a noticeable shift from the cooler months. The minimum temperature rises to 10°C (50°F), while the average climbs to a comfortable 18°C (64°F). As the days grow longer, you can expect peaks of up to 31°C (87°F), making it the perfect time to enjoy the stunning coastline. This transition reflects a broader trend of increasing warmth, with temperatures steadily rising each month and May often heralding the arrival of summer's vibrant energy. Whether you're strolling along the beach or exploring the charming town, the inviting May climate offers an ideal backdrop for adventure and relaxation alike.

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

The chart illustrates May temperature patterns in Sesimbra, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec545657596466697069655956
Data source: Temperature data for Sesimbra 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 Sesimbra

In May, Sesimbra, Portugal experiences a delightful reprieve in precipitation, with only 31 mm (1.2 in) of rain recorded over four days. This marks a notable decrease from the wetter months preceding it, highlighting a transition into a drier spell as summer approaches. Compared to the 63 mm (2.5 in) observed in April, May's rainfall is quite modest, setting the stage for sunnier days ahead. As June arrives, the trend continues with remarkably low rainfall, suggesting that locals and visitors alike can look forward to plenty of outdoor activities in the beautiful coastal town. The shift from rainfall in early spring to significantly drier conditions underscores Sesimbra's Mediterranean climate, characterized by its vibrant seasonal changes.

May Precipitation Trends in Sesimbra

The chart displays monthly precipitation patterns in Sesimbra, 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.
JanFebMarAprMayJunJulAugSepOctNovDec345366633184318397054
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Sesimbra

May in Sesimbra, Portugal, marks a transition as the humidity settles at a comfortable 70%—a level that mirrors the previous month of April. This consistency suggests that the spring season remains pleasantly mild before the drier summer months. Notably, the humidity begins to decline from June onward, reaching its lowest point in July and August at 60%. This gradual decrease leads into a characterized Mediterranean summer, perfect for outdoor activities under the warm sun. As the year progresses back into autumn, humidity levels rise again, peaking in the winter months. The climate in Sesimbra showcases a captivating ebb and flow, inviting visitors to enjoy its varied seasonal charms.

May Average Humidity in Sesimbra

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

In May, Sesimbra, Portugal experiences a notable rise in sun intensity, marked by a UV Index of 10. This signifies a very high exposure category, meaning you only have about 15 minutes before risking skin damage. Following a trend that begins in March, where the UV Index transitions from 6 to 9 by April, May maintains the heightened levels as summer approaches, ensuring that sun seekers should take necessary precautions. With the UV Index peaking in June at 11, the importance of sun safety becomes increasingly critical. As the days grow warmer and longer, be sure to stay informed about the UV Index, particularly during May, to protect your skin and enjoy the beautiful May sunshine in Sesimbra. For more detailed insights, visit Sesimbra UV Index.

Maximum UV Index Levels in Sesimbra for May

The chart shows the monthly maximum UV Index (UVI) for Sesimbra 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.
JanFebMarAprMayJunJulAugSepOctNovDec356910111098643
Data source: Sesimbra 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 Sesimbra

In May, Sesimbra, Portugal, shines brightly with an impressive 408 hours of sunshine, heralding the arrival of summer. As the days grow longer and warmer, this month marks a significant leap from 355 hours in April, showcasing a delightful trend of increasing sunlight. The trajectory of daylight is unmistakable as we transition from the cooler months, peaking in July with its 422 hours before tapering off in August. This gradual ascent from the dreary 186 hours in January reflects the region's charm, drawing visitors eager to bask in the Mediterranean warmth. With the sun making its presence felt, May invites travelers to experience the vibrant culture and stunning landscapes of Sesimbra, setting the perfect stage for unforgettable memories.

Monthly Sunshine Duration in Sesimbra: May Highlighted

The May sunshine duration represents the total number of hours Sesimbra 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.
JanFebMarAprMayJunJulAugSepOctNovDec186h234h309h355h408h412h422h396h350h315h237h227h
Data source: Sesimbra May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Sesimbra During May

In May, Sesimbra, Portugal, welcomes an inviting 59% chance of sunny weather, making it a delightful month for outdoor activities. This forecast marks a notable improvement compared to April's 41%, suggesting that spring is firmly settling in. As the year progresses, the likelihood of sunshine continues to rise, with June and July boasting impressive probabilities of 71% and 78%, respectively. This upward trend highlights May as a sweet spot for enjoying the mild weather before the peak summer heat sets in, allowing visitors to bask in the beautiful scenery and partake in various seaside adventures.

Percentage of Sunny Days in May in Sesimbra

The chart illustrates the percentage of sunny days in Sesimbra 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 Sesimbra experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec49%23%61%41%59%71%78%78%65%55%69%42%
Data source: Sesimbra May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Sesimbra in May

As spring transitions into summer, May brings an exhilarating increase in daylight hours to Sesimbra, Portugal, with an average of 14 hours of daylight. This illuminating shift follows the steady progression from 9 hours in January to 10 hours in February, and reaching a delightful 11 hours in March. The month of April already hints at the bright days ahead with 13 hours of sunlight, setting the stage for May's peak. Interestingly, daylight remains consistent through June and July, both also boasting 14 hours, before gently tapering off in August. As the seasons change, Sesimbra bathes in longer daylight, inviting residents and visitors alike to relish the vibrant outdoor activities and stunning coastal vistas.

Average Daylight Hours in Sesimbra for May

The chart illustrates the variation in daylight duration in Sesimbra throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 48m10h 45m11h 58m13h 13m14h 16m14h 48m14h 31m13h 35m12h 23m11h 8m10h 3m9h 30m
Data source: Sesimbra daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Sesimbra

In Sesimbra, Portugal, May brings a refreshing breeze that sets the stage for a delightful spring. With an average wind speed of 5.3 m/s (12 mph), this month experiences a slight uptick from April’s lighter currents, which perhaps adds to the vibrant coastal atmosphere. As the year progresses, wind speeds peak in July at 5.4 m/s (12 mph) before gradually tapering off in the late summer and autumn months. This pattern reveals a consistent trend where early summer months maintain moderate winds, providing ideal conditions for both relaxation and adventure by the sea. Overall, May's winds contribute to the enchanting charm of Sesimbra, inviting outdoor enthusiasts to bask in the refreshing coastal air.

Average May Wind Speed in Sesimbra

The chart displays monthly wind speed patterns in Sesimbra, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.25.24.33.75.3 m/s5.25.44.94.24.04.44.8
Data source: Sesimbra May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Sesimbra Compares to Other Months

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

May and January exhibit quite different weather patterns. In May, temperatures range from a comfortable minimum of 10°C (50°F) to a warm maximum of 31°C (87°F), with an average temperature of 18°C (64°F). The month experiences relatively lower precipitation at 31 mm (1.2 in) over four days and a humidity level of 70%. In contrast, January is cooler, with temperatures spanning from a minimum of 4°C (40°F) to a maximum of 20°C (68°F), averaging 12°C (54°F). It has slightly higher precipitation at 34 mm (1.3 in) over the same four days, coupled with higher humidity at 85%. For more detailed insights on January weather, you can check Sesimbra weather in January.

May generally brings warmer temperatures compared to February, with average highs reaching up to 31°C (87°F) as opposed to February's peak of 21°C (71°F). Additionally, May experiences relatively lower precipitation levels, with only 31 mm (1.2 in) over 4 days, compared to February’s 53 mm (2.1 in) spread over 6 days. While both months have similar humidity levels—70% in May and 75% in February—the overall climate in May tends to feel much more pleasant and conducive to outdoor activities. For more specific insights into February weather conditions, you can visit Sesimbra weather in February.

When comparing the weather in May and March, May typically enjoys warmer temperatures, with a minimum of 10°C (50°F) and an average of 18°C (64°F), peaking at a maximum of 31°C (87°F). In contrast, March is cooler, with a minimum temperature of 7°C (45°F) and an average of 14°C (58°F), reaching up to 24°C (75°F) at its warmest. Precipitation levels are also higher in March, totaling 66 mm (2.6 in) over 8 days, compared to May's 31 mm (1.2 in) over just 4 days. Both months have similar humidity levels, with March at 72% and May at 70%. For more detailed insights into March weather, check out Sesimbra weather in March.

In comparing the weather of May and April, May generally offers warmer temperatures, with a minimum of 10°C (50°F) and an average high of 31°C (87°F), while April is cooler, with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 24°C (76°F). Additionally, May experiences less precipitation, totaling 31 mm (1.2 in) over just 4 days, whereas April sees significantly more rainfall, at 63 mm (2.5 in) across 11 days. Both months share a consistent humidity level of 70%, making them feel relatively similar in regard to moisture in the air. For a detailed overview of April's conditions, you can visit Sesimbra weather in April.

In May, temperatures range from a minimum of 10°C (50°F) to a maximum of 31°C (87°F), with an average temperature of 18°C (64°F). The month sees an average precipitation of 31 mm (1.2 in) over 4 days, contributing to a humidity level of 70%. In contrast, June experiences slightly warmer temperatures, with a minimum of 13°C (55°F), an average of 19°C (67°F), and a maximum that remains similar at 31°C (89°F). However, June is notably drier, recording only 8 mm (0.3 in) of precipitation over just 2 days, and a decrease in humidity to 63%. Overall, June tends to be a bit warmer and less humid than May, making it a more pleasant month for outdoor activities. For more details, check Sesimbra weather in June.

May and July present distinct weather contrasts. In May, temperatures range from a cooler minimum of 10°C (50°F) to a maximum of 31°C (87°F), with an average temperature of 18°C (64°F). This month experiences moderate precipitation with an average of 31 mm (1.2 in) over four days, contributing to a relatively high humidity of 70%. In contrast, July sees warmer conditions, with minimum temperatures starting at 15°C (59°F) and average highs around 21°C (70°F), peaking similarly at a maximum of 31°C (88°F). Rainfall is minimal, averaging just 4 mm (0.2 in) across a single day, and the humidity drops to a more comfortable 60%. For more details, you can check out Sesimbra weather in July.

May and August offer distinct weather experiences, reflecting the transition from spring to summer. In May, temperatures fluctuate between a minimum of 10°C (50°F) and a maximum of 31°C (87°F), with an average of 18°C (64°F). The month sees about 31 mm (1.2 in) of precipitation over four days and a higher humidity level of 70%. In contrast, August boasts a warmer climate, with minimum temperatures of 16°C (61°F) and maximums reaching up to 34°C (94°F), averaging 21°C (71°F). Notably, August is much drier, with only 3 mm (0.1 in) of precipitation across zero days and a humidity level of 60%. For more details, you can check Sesimbra weather in August.

May and September exhibit distinct weather characteristics, reflecting the transition between spring and autumn. In May, temperatures range from a minimum of 10°C (50°F) to a maximum of 31°C (87°F), with an average of 18°C (64°F). The month sees about 31 mm (1.2 in) of precipitation spread over four days, accompanied by a higher humidity level of 70%. In contrast, September offers slightly warmer conditions, with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 30°C (86°F) and an average of 21°C (69°F). This month experiences less rainfall, with only 18 mm (0.7 in) over just two days, and a slightly lower humidity of 67%. For more detailed insights, check out Sesimbra weather in September.

May and October present mild and pleasant weather, but they each have their unique characteristics. In May, the temperatures range from a minimum of 10°C (50°F) to a maximum of 31°C (87°F), with an average of 18°C (64°F). The month sees relatively low precipitation, with only 31 mm (1.2 in) falling over four days, and humidity averages around 70%. In contrast, October features slightly cooler temperatures, with a minimum of 10°C (50°F), an average of 19°C (66°F), and a maximum of 28°C (83°F). It experiences a bit more rainfall, totaling 39 mm (1.5 in) over the same number of days, alongside higher humidity levels at 74%. For those interested in more details, check out Sesimbra weather in October.

May and November exhibit distinct weather patterns. In May, temperatures range from a minimum of 10°C (50°F) to a pleasant maximum of 31°C (87°F), with an average of 18°C (64°F). The month sees a relatively low precipitation level of 31 mm (1.2 in) over just four days, paired with humidity around 70%.

In contrast, November experiences cooler temperatures, with a minimum of 8°C (47°F) and a maximum of 23°C (73°F), leading to an average of 15°C (60°F). This month is rainier, with total precipitation reaching 69 mm (2.7 in) over nine days and a higher humidity of 83%. For more detailed insights on November weather, check out Sesimbra weather in November.

May and December exhibit distinct weather patterns that reflect the transition from spring to winter. In May, temperatures range from a minimum of 10°C (50°F) to a maximum of 31°C (87°F), with an average of 18°C (64°F), making it a much warmer month overall. Additionally, the humidity is at 70% with only a light amount of precipitation (31 mm over 4 days), creating a pleasant atmosphere for outdoor activities.

Conversely, December sees cooler temperatures, ranging from a minimum of 6°C (43°F) to a maximum of 18°C (66°F), with an average temperature of 14°C (57°F). This month experiences higher humidity at 85% and increased precipitation levels, totaling 54 mm across 7 days, contributing to a wetter and more overcast environment. For more details on December weather, you can check Sesimbra weather in December.

Compare Sesimbra's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Sesimbra

As spring gives way to the early warmth of summer, May in Sesimbra is characterized by a delightful balance of mild temperatures and refreshing breezes. With average temperatures around 18°C, visitors can expect pleasant days, though peaks can reach up to 31°C. Unlike the rain-soaked months preceding it, May boasts only a few days of light precipitation, making it an ideal time for outdoor activities. The humidity hovers around 70%, adding a gentle softness to the air. This month beautifully contrasts with the cooler, wetter days of earlier spring, offering a taste of the vibrant summer ahead. For more details on what to expect throughout the year, check out Sesimbra Climate.