May Weather in Alvor, Portugal

Last updated: February 24, 2025

Experience the delightful May weather in Alvor, Portugal, where temperatures can soar to a maximum of 34°C (93°F), while maintaining a comfortable average of 19°C (66°F). Enjoy the crisp mornings with a minimum temperature of 7°C (45°F) before the sun warms up the day. Despite a total precipitation amount of 23 mm (0.9 inches) over 4 rainy days, the overall humidity remains pleasant at 69%, allowing for enjoyable outdoor activities against a backdrop of lush greenery. Alvor’s May climate is a perfect blend of warmth and refreshing breezes, making it an ideal time to explore this stunning coastal destination.

May Temperature in Alvor

In May, Alvor, Portugal, experiences a delightful transition into warmer weather, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 34°C (93°F). The average temperature rises to a comfortable 19°C (66°F), setting the stage for a vibrant spring atmosphere. This month marks a significant shift from the cooler averages of earlier spring, showcasing a steady increase in warmth as summer approaches. Visitors can expect plenty of sunshine and pleasant days, making it an ideal time to explore the picturesque coastline and engage in outdoor activities. As May unfolds, the rising temperatures not only enhance the region's charm but also invite both locals and travelers to enjoy Alvor's stunning landscapes in full bloom.

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

The chart illustrates May temperature patterns in Alvor, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec505456596669737572665854
Data source: Temperature data for Alvor 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 Alvor

May in Alvor, Portugal, offers a pleasant transition into the warmer months, characterized by relatively low precipitation. With just 23 mm (0.9 in) of rain falling over approximately 4 days, this month stands out as one of the driest of the season, following the wetter April which recorded 65 mm (2.5 in). This trend highlights a significant decrease in rainfall as spring edges toward summer, paving the way for sunny days ahead. As temperatures rise, residents and visitors alike can enjoy outdoor activities with only a sprinkling of rain to occasionally disrupt the scene, making May an ideal time to experience the charm of Alvor's stunning landscapes.

May Precipitation Trends in Alvor

The chart displays monthly precipitation patterns in Alvor, 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.
JanFebMarAprMayJunJulAugSepOctNovDec24447865238318325045
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Alvor

In Alvor, Portugal, May marks a transitional period in humidity levels, maintaining a consistent 69%. This mirrors the trend observed in April, showcasing a slight recovery from the higher humidity levels of winter, where January stood at a notably 80%. As spring transitions into summer, Alvor experiences a gradual decline in humidity, particularly noticeable in June at 67%. The relatively stable humidity in May suggests a comfortable climate, perfect for outdoor activities, while also hinting at the onset of drier conditions as the summer months approach. Overall, this trend towards reduced humidity contributes to Alvor's allure as a pleasant holiday destination in late spring.

May Average Humidity in Alvor

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

As May unfolds in Alvor, Portugal, the UV Index reaches a notable 10, indicating a very high level of sun exposure. This marks a continuation of increasing intensity from the previous months, where April already saw a significant rise at a UV Index of 9. With a burn time of just 15 minutes, sun safety becomes crucial for residents and visitors alike. Comparatively, the earlier months displayed a gradual climb from a moderate index of 3 in January to a more severe level by late spring. As summer approaches, it's wise to stay informed and take protective measures against the sun's rays. For detailed insights and updates, explore Alvor UV Index.

Maximum UV Index Levels in Alvor for May

The chart shows the monthly maximum UV Index (UVI) for Alvor 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: Alvor 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 Alvor

May is a dazzling month in Alvor, Portugal, boasting 410 hours of sunshine that heralds the arrival of summer. As days grow longer and brighter, this trend only intensifies, with June slightly edging out May at 412 hours. Reflecting a steady increase, the sunshine hours have escalated notably from 202 hours in January to a remarkable peak in the middle of the year. The gradual ascent from January through April culminates in this sun-soaked month, inviting visitors to revel in the breathtaking landscapes and vibrant local culture. While the summer months of July and August see the sun at its most generous—425 hours and 397 hours, respectively—the soft light of May remains a captivating time to embrace the warmth without the peak-season crowds.

Monthly Sunshine Duration in Alvor: May Highlighted

The May sunshine duration represents the total number of hours Alvor 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.
JanFebMarAprMayJunJulAugSepOctNovDec202h248h308h359h410h412h425h397h351h323h249h244h
Data source: Alvor May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Alvor During May

In Alvor, Portugal, May marks a delightful transition into sunnier days, boasting a 65% chance of sunshine, one of the highest probabilities for this time of year. This increase in sunny weather follows March's promising 59%, but notably surpasses the 38% experienced in April. As spring unfolds, May paves the way for a vibrant June, where the likelihood of clear skies climbs to 76%. This upward trend indicates that as summer approaches, residents and visitors alike can increasingly anticipate basking in the warmth of the sun, making it an ideal month for outdoor activities and exploration in this picturesque coastal town.

Percentage of Sunny Days in May in Alvor

The chart illustrates the percentage of sunny days in Alvor 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 Alvor experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec44%23%59%38%65%76%87%84%65%58%72%44%
Data source: Alvor May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Alvor in May

As spring blossoms into summer in Alvor, Portugal, May heralds a delightful increase in daylight, offering 14 hours of sunshine—the perfect backdrop for outdoor adventures. After emerging from the shorter winter days with just 9 hours in January, daylight persists in gradually extending, reaching 10 hours in February and 11 hours in March. By April, the days lengthen further, allowing residents and visitors to soak up 13 hours of light. This trend peaks gracefully in May, aligning perfectly with the lively spirit of the season, before maintaining this generous daylight through June and July. As summer wanes into early autumn, daylight gradually recedes, with 13 hours in August followed by a gentle decline to 12 hours in September. This rhythmic dance of daylight not only enhances the beauty of Alvor but also enriches the experience of all who visit.

Average Daylight Hours in Alvor for May

The chart illustrates the variation in daylight duration in Alvor 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 9m9h 38m
Data source: Alvor daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Alvor

In May, Alvor, Portugal, experiences a refreshing uptick in wind speeds, averaging 4.1 m/s (9 mph), making it a delightful month for outdoor activities by the coast. This rise follows a gradual decline from the higher winds of early spring, reflecting a trend where wind conditions start to stabilize as summer approaches. The breezy May adds an invigorating touch to the pleasant temperatures, contrasting with the lighter winds of April. As the season progresses into the hotter months, June sees a slight dip back to 3.9 m/s (9 mph), maintaining the gentle allure that keeps beachgoers and nature lovers enchanted. The overall trend indicates that while May brings a burst of windiness, the summer months continue to deliver breezy yet comfortable conditions, perfect for enjoying Alvor's stunning coastal landscape.

Average May Wind Speed in Alvor

The chart displays monthly wind speed patterns in Alvor, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.53.93.43.24.1 m/s3.94.33.73.23.23.34.1
Data source: Alvor May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Alvor Compares to Other Months

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

May and January present contrasting weather conditions. In May, temperatures range from a minimum of 7°C (45°F) to a maximum of 34°C (93°F), with an average of 19°C (66°F). With only 23 mm (0.9 in) of precipitation over four days, humidity sits at 69%, creating a warm and relatively dry atmosphere. In contrast, January features cooler temperatures, with a minimum of -2°C (29°F) and an average of 10°C (51°F), peaking at 21°C (70°F). Although precipitation is similar at 24 mm (0.9 in) and occurs over just three days, the humidity is higher at 80%, contributing to a chillier feel. For more specifics on weather conditions, you can check Alvor weather in January.

When comparing the weather in May and February, there are notable differences in temperature and precipitation. May experiences higher average temperatures, ranging from a minimum of 7°C (45°F) to a maximum of 34°C (93°F), while February's range sits lower, with a minimum of 1°C (34°F) and a maximum of 24°C (76°F). Additionally, February sees more precipitation, totaling 44 mm (1.7 in) over about five days, compared to May's lighter 23 mm (0.9 in) over four days. Humidity is slightly higher in February at 73%, while May enjoys a more comfortable 69%. For more detailed weather insights, visit Alvor weather in February.

In comparing the weather between May and March, it's evident that May tends to be warmer and drier. May boasts a minimum temperature of 7°C, averaging around 19°C, and reaching highs of up to 34°C, while March starts cooler, with minimum temperatures of 3°C and an average of 14°C, peaking at 27°C. Precipitation is significantly lower in May, with only 23 mm over 4 days, compared to March's 78 mm across 9 days. Humidity levels are fairly similar, with May at 69% and March slightly higher at 71%. For a closer look at the March climate, you can visit Alvor weather in March.

May generally offers warmer temperatures compared to April, with average highs reaching 34°C (93°F) compared to April's maximum of 29°C (84°F). While both months have the same humidity level of 69%, May experiences significantly less precipitation, with only 23 mm (0.9 in) over 4 days, in contrast to April's 65 mm (2.5 in) over 11 days. This makes May a drier and sunnier month, ideal for outdoor activities. For more details on April weather specifically, you can check Alvor weather in April.

In comparing the weather between May and June, we can see a notable increase in temperatures. May features a minimum of 7°C (45°F) and a maximum of 34°C (93°F), with an average temperature of 19°C (66°F). In contrast, June starts warmer, with a minimum of 11°C (52°F) and a maximum reaching as high as 40°C (105°F), averaging 21°C (69°F). The precipitation levels also differ, with May recording 23 mm (0.9 in) over 4 days, while June brings a lighter rainfall of only 8 mm (0.3 in) spread over 3 days. Humidity remains relatively similar between the two months, slightly decreasing from 69% in May to 67% in June. For a more detailed look at what to expect, check out Alvor weather in June.

In May, temperatures range from a cooler minimum of 7°C (45°F) to a warm maximum of 34°C (93°F), with an average of 19°C (66°F). The month experiences a total precipitation of 23 mm (0.9 in) over about 4 days, contributing to a humidity level of 69%. In contrast, July boasts warmer temperatures, with a minimum of 12°C (55°F) and a maximum reaching 39°C (103°F), averaging 23°C (74°F). The month is significantly drier, recording only 3 mm (0.1 in) of precipitation over just 1 day, while maintaining the same humidity level of 69%. For a detailed look at July weather specifics, visit Alvor weather in July.

May and August present contrasting weather conditions. In May, temperatures range from a low of 7°C (45°F) to a high of 34°C (93°F), with an average temperature of 19°C (66°F). The month experiences moderate rainfall, averaging 23 mm over about four days and a humidity level of 69%. In comparison, August sees warmer temperatures, with a minimum of 14°C (57°F), an average of 24°C (75°F), and a maximum reaching a scorching 43°C (110°F). Remarkably, August has virtually no precipitation, with only about 1 mm over the entire month and similar humidity at 68%. For more details about the weather in August, visit Alvor weather in August.

In May, temperatures range more widely, with a minimum of 7°C (45°F) and a maximum of 34°C (93°F), leading to an average of 19°C (66°F). The month experiences about 23 mm (0.9 in) of precipitation over 4 days, with humidity at 69%. In contrast, September presents a more stable climate, with temperatures starting at a minimum of 11°C (52°F) and peaking at 37°C (98°F), averaging 22°C (73°F). Precipitation is significantly lower at just 8 mm (0.3 in) over only 1 day, accompanied by a slight increase in humidity at 71%. For a more detailed look at September weather, check out Alvor weather in September.

May and October share similar average temperatures, with both months averaging around 19°C (66°F). However, May exhibits slightly warmer minimum and maximum temperatures compared to October, maintaining a range from 7°C (45°F) to 34°C (93°F), while October's range starts at 8°C (46°F) and also peaks at 34°C (93°F). In terms of precipitation, October experiences a bit more rainfall, with 32 mm (1.2 in) over four days, compared to May's 23 mm (0.9 in) over the same number of days. Additionally, October has higher humidity levels at 75%, slightly above May's 69%. For more details, check out Alvor weather in October.

May and November exhibit quite different weather patterns. In May, temperatures range from a comfortable minimum of 7°C (45°F) to a warm maximum of 34°C (93°F), with an average of 19°C (66°F). The month sees moderate precipitation, totaling 23 mm (0.9 in) over about 4 days, while humidity averages around 69%. In contrast, November experiences cooler conditions, with minimum temperatures dropping to 4°C (40°F) and a maximum of 25°C (76°F), resulting in an average of 14°C (58°F). Additionally, November is wetter, with 49 mm (1.9 in) of precipitation spread over 7 days and higher humidity levels at 78%. For a closer look at what to expect, check out Alvor weather in November.

May and December present distinctly different weather patterns. In May, temperatures range from a minimum of 7°C (45°F) to a warm maximum of 34°C (93°F), with an average of 19°C (66°F). Humidity is relatively moderate at 69%, and precipitation is mild, occurring on about 4 days with a total of 23 mm (0.9 in).

In contrast, December brings cooler conditions, with temperatures dipping as low as 0°C (33°F) and peaking at 22°C (71°F), averaging around 12°C (54°F). The month is wetter, with 45 mm (1.8 in) of precipitation spread over 6 days, and a higher humidity level of 81%. For more detailed information about December weather, you can check Alvor weather in December.

Compare Alvor's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Alvor

May in Alvor presents a delightful transition into warmer weather, showcasing a significant rise in temperatures compared to the cooler spring months. With the maximum temperatures reaching a delightful high, days become sunnier and more inviting. The minimal precipitation during this month, along with a modest average humidity level, contributes to a pleasant overall climate, allowing for idyllic outdoor adventures. This is a stark contrast to the earlier months of the year, where cooler temperatures and greater rainfall might deter outdoor activities. For a more comprehensive understanding of how Alvor's May weather fits into the broader climate patterns, explore the detailed insights in Alvor Climate.