May Weather in Quarteira, Portugal

Last updated: February 24, 2025

May in Quarteira, Portugal brings delightful weather, characterized by a comfortable average temperature of 18°C (65°F), with daily highs reaching up to 25°C (78°F). The evenings are pleasantly cool, with minimum temperatures around 11°C (52°F). Although the month sees some light rain with a total precipitation of 16 mm (0.6 in) over approximately three days, the overall humidity hovers around 69%, contributing to the lush surroundings. This delightful combination of warmth and mild moisture makes May an ideal time to explore the scenic beauty and vibrant local culture of Quarteira.

May Temperature in Quarteira

In May, Quarteira, Portugal, experiences a delightful transition into spring, with temperatures on the rise. The month kicks off with a minimum of 11°C (52°F), while the average settles around a pleasant 18°C (65°F), peaking at a comfortable 25°C (78°F). This upward trend from April not only marks an increase in daily warmth but also signals the approach of summer. As the days grow longer and the sun shines brighter, locals and visitors alike relish in the balmy weather, making it an ideal time for outdoor activities and beach outings. Visitors can expect a beautiful blend of mild mornings and sunny afternoons that are perfect for enjoying the stunning Portuguese coastline.

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

The chart illustrates May temperature patterns in Quarteira, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec555758606568727372676158
Data source: Temperature data for Quarteira generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Quarteira

In May, Quarteira experiences a significant decrease in precipitation, with only 16 mm (0.6 in) of rain falling over just 3 days. This marks a notable contrast to the wetter months preceding it, such as March and April, which recorded 74 mm (2.9 in) and 54 mm (2.1 in), respectively. As the region transitions into summer, the dry trend continues, falling to a mere 4 mm (0.1 in) in June. This pattern highlights a shift towards drier weather, foreshadowing the sun-soaked months ahead, where rainfall becomes increasingly scarce. Overall, May represents a pivotal point in the annual weather cycle for Quarteira, leading into the typically arid summer months.

May Precipitation Trends in Quarteira

The chart displays monthly precipitation patterns in Quarteira, 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.
JanFebMarAprMayJunJulAugSepOctNovDec274774541642111285647
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Quarteira

In Quarteira, Portugal, May marks the continuation of a steady decline in humidity, holding at 69%, which mirrors April's levels. As spring gives way to summer, the peaceful atmosphere is accompanied by a slight decrease from the cooler months of January to April, when humidity levels hovered around 80% to 69%. This trend indicates a shift toward drier conditions, as June follows with a predicted drop to 67%. With its pleasant temperatures and moderate humidity, May in Quarteira sets the stage for outdoor activities, providing an ideal environment for both relaxation and exploration as the region transitions into the warmth of summer.

May Average Humidity in Quarteira

This chart illustrates the average monthly humidity levels in Quarteira, 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.
JanFebMarAprMayJunJulAugSepOctNovDec80%74%71%69%69%67%69%68%71%75%78%81%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Quarteira

As May arrives in Quarteira, Portugal, residents and visitors can expect a UV Index of 10, indicating very high exposure to UV radiation. This marks a noticeable increase from the previous months, with the index climbing from 9 in April and demonstrating a continuous upward trend as summer approaches. With a burn time of just 15 minutes, it's essential to stay vigilant and protect your skin during this period. The UV Index remains elevated through June, maintaining conditions that encourage outdoor enjoyment while necessitating precaution. For more detailed insights on how the UV Index changes throughout the year, visit the Quarteira UV Index page.

Maximum UV Index Levels in Quarteira for May

The chart shows the monthly maximum UV Index (UVI) for Quarteira 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.
JanFebMarAprMayJunJulAugSepOctNovDec3579101110109743
Data source: Quarteira 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 Quarteira

In the sun-drenched coastal town of Quarteira, Portugal, May shines brightest, boasting an impressive 410 hours of glorious sunshine. This vibrant month marks a crescendo in daylight as the days grow longer and warmer, a delightful contrast to the more subdued months of January with just 203 hours and November’s 248 hours. As spring unfolds, the sunshine steadily increases, peaking in summer with July reaching its pinnacle at 427 hours. However, even as the sun begins to wane in autumn, Quarteira still enjoys a generous 351 hours in September. This gradual rise and fall in sunshine hours not only enhance the beauty of the Algarve but also invite visitors to revel in its inviting climate throughout the year.

Monthly Sunshine Duration in Quarteira: May Highlighted

The May sunshine duration represents the total number of hours Quarteira 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.
JanFebMarAprMayJunJulAugSepOctNovDec203h248h308h359h410h413h427h398h351h323h248h243h
Data source: Quarteira May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Quarteira During May

In Quarteira, Portugal, the likelihood of sunny weather rises significantly as spring gives way to summer. May stands out with a 67% chance of sunlight, marking a notable increase from the more variable conditions of earlier months. This trend continues into the warmer months, with June seeing an impressive 85%, and the peak of summer in July boasting a remarkable 94% chance of sunshine. As the year progresses, locals and visitors alike can anticipate more days bathed in sunlight, especially from May onward, making it an ideal time for outdoor activities and enjoying the beautiful Algarve coast.

Percentage of Sunny Days in May in Quarteira

The chart illustrates the percentage of sunny days in Quarteira 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 Quarteira experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec50%29%64%47%67%85%94%89%71%59%78%50%
Data source: Quarteira May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Quarteira in May

In Quarteira, Portugal, May marks a delightful transition into longer days, boasting approximately 14 hours of daylight. This increase follows a steady ascent from 9 hours in January to 13 hours in April, showcasing the region's gradual awakening from winter's embrace. The daylight remains consistent at 14 hours in both June and July, providing ample opportunity for outdoor activities and beach outings. As summer lingers, daylight begins to wane slightly in August, decreasing to 13 hours, before continuing its gradual descent through the autumn months. This rhythmic variation not only highlights the charm of seasonal change but also invites residents and visitors alike to savor the brightness of early summer.

Average Daylight Hours in Quarteira for May

The chart illustrates the variation in daylight duration in Quarteira throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 55m10h 49m11h 58m13h 9m14h 9m14h 39m14h 23m13h 30m12h 22m11h 11m10h 10m9h 38m
Data source: Quarteira daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Quarteira

In May, Quarteira, Portugal experiences a pleasant breeze with an average wind speed of 5.4 m/s (12 mph), slightly higher than the preceding months of April (4.8 m/s) and March (5.1 m/s). As spring unfolds, the winds begin to pick up, creating an invigorating atmosphere ideal for outdoor activities and water sports. This trend of moderate winds continues into the summer months, with July recording a similar speed of 5.5 m/s. Interestingly, the wind tends to be at its most gentle during the late summer and early fall, dropping to 4.4 m/s in September. Overall, May signals a transition to a more lively, breezy climate in Quarteira, making it a delightful time for visitors and locals alike.

Average May Wind Speed in Quarteira

The chart displays monthly wind speed patterns in Quarteira, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.65.65.14.85.4 m/s5.15.55.04.44.75.16.1
Data source: Quarteira May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Quarteira Compares to Other Months

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

When comparing May and January weather, May tends to be significantly warmer, with average temperatures ranging from a minimum of 11°C (52°F) to a maximum of 25°C (78°F). In contrast, January experiences cooler temperatures, with averages between 5°C (41°F) and 18°C (65°F). Precipitation levels in January are higher, totaling 27 mm (1.1 in) over three days, while May sees only 16 mm (0.6 in) of rain during the same number of days. Additionally, January's humidity is slightly higher at 80%, compared to May's 69%. For more detailed information, you can check out Quarteira weather in January.

In comparing the weather between May and February, May displays a warmer climate with average temperatures ranging from 11°C (52°F) to a comfortable high of 25°C (78°F), while February presents slightly cooler temperatures, with averages from 7°C (44°F) to a maximum of 20°C (68°F). Additionally, May experiences significantly less precipitation, averaging only 16 mm (0.6 in) over about 3 days, compared to February's 46 mm (1.8 in) spread over 5 days. While both months have high humidity, February's average humidity is marginally higher at 73% compared to May's 69%. For more detailed insights, you can visit Quarteira weather in February.

When comparing the weather in May and March, it’s clear that May tends to be warmer and drier. In May, temperatures range from a minimum of 11°C (52°F) to a maximum of 25°C (78°F), with an average of 18°C (65°F) and only 16 mm (0.6 in) of precipitation over about 3 days. In contrast, March experiences slightly cooler temperatures, with a minimum of 9°C (48°F), an average of 14°C (58°F), and a maximum of 20°C (67°F). Moreover, March sees significantly more rainfall, totaling 74 mm (2.9 in), spread over 7 days. This suggests that while May offers a more pleasant and dry climate, March is characterized by cooler temperatures and increased precipitation. For more detailed insights on March weather, check out Quarteira weather in March.

In comparing the weather of April and May, it's clear that May offers a warmer experience, with average temperatures rising from 15°C (60°F) in April to 18°C (65°F). April sees lower maximum temperatures of 21°C (70°F) compared to 25°C (78°F) in May. Additionally, May experiences significantly less precipitation, with only 16 mm (0.6 in) over three days, while April records 54 mm (2.1 in) spread across ten days, making it much more humid during the latter month. Both months share a similar humidity level of 69%. For more details on April's weather patterns, you can check out Quarteira weather in April.

May typically experiences milder temperatures with a minimum of 11°C (52°F) and an average of 18°C (65°F), while June warms up significantly, with a minimum of 14°C (57°F) and an average of 20°C (68°F). The maximum temperature in May reaches 25°C (78°F), whereas June can see temperatures soaring to 30°C (86°F). Additionally, May tends to be wetter, with 16 mm (0.6 in) of precipitation over three days, compared to June's much drier conditions, which only see 4 mm (0.1 in) of rain in just a single day. Humidity levels are fairly consistent, with May at 69% and June slightly lower at 67%. For more detailed information about June weather, you can check Quarteira weather in June.

May and July present distinct weather profiles, highlighting the transition from spring to summer. In May, temperatures range from a minimum of 11°C (52°F) to a maximum of 25°C (78°F), with an average of 18°C (65°F). This month typically experiences about 16 mm (0.6 in) of precipitation over three days, contributing to a moderately humid atmosphere at 69%. In contrast, July sees a rise in temperatures, with minimums of 16°C (61°F), averages of 22°C (72°F), and peaks of 30°C (86°F). Precipitation becomes rare in July, with only 2 mm (0.1 in) expected and no rainy days, while humidity remains steady at 69%. For more detailed information, you can check out Quarteira weather in July.

In May, the weather is generally mild with temperatures ranging from a minimum of 11°C (52°F) to a maximum of 25°C (78°F), accompanied by some rainfall of about 16 mm over three days, and a humidity level of 69%. In contrast, August boasts warmer temperatures, with minimums around 17°C (63°F), averaging 23°C (73°F), and peaking at a high of 31°C (89°F). Additionally, August is notably drier, featuring just 1 mm of precipitation throughout the month and no rainy days, while maintaining a similar humidity level of 68%. This makes August a more comfortable and sunnier time compared to the relatively cooler and wetter May. For more detailed information, visit Quarteira weather in August.

May and September offer distinct weather experiences, with May showcasing cooler temperatures and slightly higher humidity. In May, temperatures range from a minimum of 11°C (52°F) to a maximum of 25°C (78°F), along with an average of 18°C (65°F) and about 16 mm of precipitation over 3 days. In contrast, September is warmer, with minimum temperatures at 15°C (60°F) and a maximum of 28°C (82°F), resulting in a pleasant average of 22°C (72°F). Additionally, September experiences less rainfall, with only 11 mm falling over just 1 day, and a slight increase in humidity to 71%. For more details on the weather specifics in September, visit Quarteira weather in September.

In comparing the weather between May and October, both months feature a similar minimum temperature of 11°C (52°F). However, October tends to be slightly warmer on average, with temperatures peaking at around 27°C (80°F), compared to May's maximum of 25°C (78°F). Precipitation also differs, with October experiencing more rain at 28 mm (1.1 in) over three days, while May has only 16 mm (0.6 in) during the same number of days. Additionally, October exhibits higher humidity levels at 75%, compared to May's 69%. For more detailed insights into October’s weather, check out Quarteira weather in October.

May and November present quite different weather patterns. In May, temperatures range from a minimum of 11°C (52°F) to a maximum of 25°C (78°F), with an average of 18°C (65°F). This month experiences light precipitation of about 16 mm (0.6 in) over just three days, alongside a humidity level of 69%. In contrast, November sees cooler temperatures, with a minimum of 9°C (49°F) and an average of 16°C (62°F), peaking at 22°C (71°F). It is a wetter month, receiving 56 mm (2.2 in) of rainfall spread over seven days, and boasts a higher humidity of 78%. For more details on November weather, you can explore Quarteira weather in November.

May's weather presents a pleasant transition into warmer months, with temperatures ranging from a minimum of 11°C (52°F) to a maximum of 25°C (78°F), averaging around 18°C (65°F). The month experiences relatively low precipitation, with only 16 mm (0.6 in) recorded over approximately 3 days and a comfortable humidity level of 69%. In contrast, December brings cooler conditions, with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 20°C (68°F), averaging 15°C (58°F). This month is characterized by higher precipitation levels of 47 mm (1.9 in) spread across 5 days and a noticeable increase in humidity at 81%. For more insights into December weather, you can check Quarteira weather in December.

Compare Quarteira's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Quarteira

As May unfolds in Quarteira, the weather begins to showcase a delightful transition towards summer, offering mild temperatures that are more inviting compared to the cooler spring months. With average highs reaching 25°C (78°F), the days are perfect for outdoor activities, while lower humidity levels make it a pleasant time to enjoy the beautiful coastline. Unlike the preceding months, May sees minimal precipitation, with only a few rainy days, allowing for ample sunshine and enjoyable conditions. This combination of warm temperatures and low rainfall makes May an ideal time for visitors looking to experience the charm of Quarteira before the summer rush. For a deeper understanding of what to expect throughout the year, explore the comprehensive details on Quarteira Climate.