May Weather in Guia, Portugal

Last updated: February 24, 2025

Experience the pleasant climate of Guia, Portugal in May, where temperatures average 19°C (67°F), with peaks reaching a warm 34°C (94°F) and cooler lows dipping to 6°C (43°F). This month enjoys a moderate humidity level of 69%, creating a comfortable atmosphere for outdoor explorations. While residents and visitors can expect five days of precipitation, totaling just 25 mm (1.0 in), the cheerful sun shines bright for the majority of the month, making it an ideal time to enjoy the beautiful landscapes and vibrant culture of this charming coastal town.

May Temperature in Guia

In May, Guia, Portugal, experiences a delightful transition to warmer weather, with temperatures showcasing a significant upward trend. The month opens with a minimum of 6°C (43°F), providing a refreshing start to the late spring, perfect for exploring the scenic surroundings. As the days progress, the average temperature rises to a pleasant 19°C (67°F), inviting both locals and visitors to enjoy outdoor activities. The peak of the month can reach a sizzling 34°C (94°F), signaling the approach of summer and the vibrant energy that comes with it. Overall, May in Guia is characterized by blossoming warmth and a perfect blend of cool evenings and sunny afternoons, making it an ideal time to experience the beauty of this charming coastal town.

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

The chart illustrates May temperature patterns in Guia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec505456596670757773665753
Data source: Temperature data for Guia 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 Guia

In May, Guia, Portugal experiences a modest 25 mm (1.0 in) of precipitation spread over 5 days, marking a notable decrease compared to the wetter months preceding it. This signals a transition toward drier conditions as summer approaches, following the peaks of early spring. The rainfall in May is relatively light, akin to January's, yet significantly lower than the abundant showers that characterize March and April. As the landscape begins to bask in the warm sunlight, residents can expect a more pleasant climate that balances occasional light rainfall with the burgeoning summer warmth.

May Precipitation Trends in Guia

The chart displays monthly precipitation patterns in Guia, 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.
JanFebMarAprMayJunJulAugSepOctNovDec234680702583111325144
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Guia

In Guia, Portugal, May sees a relative humidity level of 69%, maintaining the trend of gradual decrease seen since April. This month, alongside April, marks one of the lowest humidity readings of the year, positioning it comfortably between the wetter months of January and November and the drier June and July. As spring transitions into summer, the consistent drop in humidity not only enhances the overall comfort but also prepares the locale for warmer temperatures ahead. This pattern indicates a shift towards a more arid climate, setting the stage for the sultry summer months that follow.

May Average Humidity in Guia

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

May in Guia, Portugal marks a significant leap in UV intensity, with the UV Index reaching 10—the threshold for very high exposure. As the sun grows stronger, the burn time shortens to just 15 minutes, requiring careful sun protection for outdoor enthusiasts. This transition from the moderate levels of earlier months to such heightened exposure highlights a clear trend: spring swiftly gives way to intense summer sun. Compared to April's Index of 9, May demands increased vigilance. As summer approaches, it's essential to stay informed and take precautions—especially with June looming on the horizon at a staggering 11. For more detailed insights, check out Guia UV Index.

Maximum UV Index Levels in Guia for May

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

As spring transitions into summer in Guia, Portugal, May shines brightly with an impressive 410 hours of sunshine, marking a delightful peak in the region's sunny disposition. This month continues the upward trend seen since January, where sunlight gradually accumulated from 202 hours to a remarkable 359 hours in April. The increase is not only significant but sets the stage for an even sunnier June, which boasts 412 hours. This gradual rise leads us to the warm embrace of summer, where sunshine reaches its zenith in July with 425 hours. The pattern showcases a robust and inviting climate, making Guia an ideal destination for those seeking to bask in the warmth and splendor of the Portuguese sun.

Monthly Sunshine Duration in Guia: May Highlighted

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

Chance of Sun in Guia During May

May in Guia, Portugal, is a delightful transition into the sun-soaked summer months, boasting a 64% chance of sunny weather. This increase in sunshine is a notable ascent from the cooler months, with March at 59% and April at just 36%. As we approach the peak summer months, the likelihood of sunny days only improves, climbing to 79% in June and reaching a striking 90% in July. This trend exemplifies the region's shift from the mild spring to the vibrant summer, making May an enticing time for outdoor activities and soaking up the warmth before the full heat of summer descends.

Percentage of Sunny Days in May in Guia

The chart illustrates the percentage of sunny days in Guia 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 Guia experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec44%23%59%36%64%79%90%86%66%58%73%46%
Data source: Guia May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Guia in May

As spring gracefully transitions into summer, May in Guia, Portugal boasts a delightful increase in daylight, reaching 14 hours—an impressive extension that sets the stage for vibrant outdoor activities. The trend begins in January with just 9 hours of sunlight, gradually increasing monthly. By the time April arrives, daylight reaches 13 hours, revitalizing the landscape and inviting residents outside. In May, the sunshine peaks, sharing its warmth alongside the blooming flowers, creating a beautiful ambiance that resonates with the onset of summer. This ample daylight continues into June and July, but begins its gentle decline in August, reminding us that seasons are ever-changing. Thus, Guia's daylight duration reflects a harmonious rhythm of nature, heralding the joys of longer, sunlit days that inspire celebration and connection.

Average Daylight Hours in Guia for May

The chart illustrates the variation in daylight duration in Guia throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 54m10h 48m11h 58m13h 10m14h 10m14h 40m14h 24m13h 31m12h 22m11h 11m10h 9m9h 37m
Data source: Guia daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Guia

In May, Guia, Portugal, experiences a noticeable uptick in wind activity, with an average wind speed of 4.0 m/s (9 mph). This slight increase from April’s calmer 3.2 m/s (7 mph) signals the arrival of spring breezes that invigorate the landscape. As the months progress towards summer, wind speeds continue to fluctuate, peaking in July at 4.2 m/s (9 mph). It's clear that May stands as a transitional month, bridging the gentle winds of early spring and the more spirited gusts of summer, creating an ideal atmosphere for both outdoor activities and serene coastal moments.

Average May Wind Speed in Guia

The chart displays monthly wind speed patterns in Guia, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.53.83.43.24.0 m/s3.64.23.63.23.23.34.1
Data source: Guia May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Guia Compares to Other Months

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

May and January present contrasting weather experiences. In May, temperatures range from a cool minimum of 6°C (43°F) to a warm maximum of 34°C (94°F), with an average of 19°C (67°F). The month also experiences about 25 mm (1.0 in) of precipitation over approximately 5 days, and humidity sits at 69%. In sharp contrast, January features much cooler conditions, with temperatures ranging from a low of -2°C (28°F) to a comfortable high of 21°C (69°F), averaging 10°C (50°F). This winter month sees a similar precipitation level at 23 mm (0.9 in) but occurs over just 3 days, along with higher humidity at 80%. For more details on January weather, you can refer to this link: Guia weather in January.

When comparing the weather between May and February, May offers significantly warmer temperatures, with average highs reaching up to 34°C (94°F) compared to February’s maximum of 24°C (76°F). The minimum temperature in May also shows a marked increase, starting at 6°C (43°F) versus February's chilly 0°C (33°F). While both months receive precipitation over five days, February is wetter with 46 mm (1.8 in) of rainfall compared to May's 25 mm (1.0 in). Humidity levels remain relatively similar, with February at 73% and May at 69%. For more detailed insight, you can refer to Guia weather in February.

In comparing the weather of May and March, May typically offers warmer temperatures, with averages reaching 19°C (67°F) and maximum highs of 34°C (94°F), while March sees cooler averages around 13°C (56°F) and max temperatures of 27°C (81°F). While May experiences less precipitation, totaling only 25 mm (1.0 in) over 5 days, March is notably wetter, accumulating 80 mm (3.2 in) across 9 days. Humidity levels are fairly comparable, with May at 69% and March slightly higher at 71%. For more details on March weather, visit Guia weather in March.

In comparing May and April weather, May experiences warmer average temperatures, reaching up to 34°C (94°F) compared to April's maximum of 29°C (84°F). While both months have similar minimum temperatures of 6°C (43°F), April's average is notably lower at 15°C (59°F) than May's 19°C (67°F). Additionally, May has significantly less precipitation, with only 25 mm (1.0 in) falling over 5 days, while April sees a much wetter month with 70 mm (2.8 in) across 12 days. Interestingly, the humidity remains consistent at 69% for both months. For more detailed information on the weather in April, you can check Guia weather in April.

In May, temperatures range from a cool minimum of 6°C (43°F) to a warm maximum of 34°C (94°F), with an average temperature of 19°C (67°F). The month experiences a moderate amount of precipitation at 25 mm (1.0 in) over 5 days, along with a humidity level of 69%. In contrast, June brings warmer temperatures, with a minimum of 10°C (51°F) and a maximum reaching up to 40°C (105°F), averaging 21°C (71°F). Precipitation significantly decreases to just 8 mm (0.3 in) over only 2 days, while humidity slightly drops to 67%. For more details on the weather in June, check out this link: Guia weather in June.

In May, temperatures range from a cool 6°C (43°F) to a warm 34°C (94°F), with an average of 19°C (67°F) and a moderate amount of rainfall totaling 25 mm over five days. The humidity level remains steady at 69%, creating a comfortable yet slightly damp environment. In contrast, July sees a significant rise in temperature, with minimums of 12°C (55°F) and maximums soaring to 40°C (105°F), averaging around 24°C (75°F). Notably, July experiences very little precipitation, with only 3 mm falling across the entire month and no rainy days, while humidity stays the same at 69%. This shift from May's wetter conditions to July's dry heat highlights a dramatic transition in the weather. For more detailed insights, visit Guia weather in July.

In May, temperatures range from a cool 6°C (43°F) at night to a warm 34°C (94°F) during the day, with an average of 19°C (67°F). The month sees about 25 mm (1.0 in) of precipitation spread over five days, resulting in a relatively humid atmosphere at 69%. In contrast, August offers noticeably warmer conditions, with nighttime lows of 14°C (57°F) and daytime highs soaring to a scorching 44°C (111°F), averaging 25°C (77°F). Remarkably, August experiences minimal precipitation, only 1 mm (0.0 in) across the entire month and no rainy days, keeping the humidity slightly lower at 68%. For more insights on the August weather, you can check Guia weather in August.

May and September offer distinct weather experiences. In May, temperatures range from a chilly minimum of 6°C (43°F) to a warm maximum of 34°C (94°F), with an average of 19°C (67°F). The month typically sees about 25 mm (1.0 in) of precipitation over five days, and humidity levels hover around 69%. In contrast, September presents slightly warmer conditions, with minimum temperatures of 11°C (52°F) and a comfortable average of 23°C (74°F), peaking at a hot 37°C (99°F). Rainfall is much lower in September, at just 11 mm (0.4 in) over a single day, with humidity slightly higher at 71%. For a more detailed look at September weather, check the Guia weather in September.

When comparing the weather in May and October, both months share a similar temperature range, with minimums at 6°C (43°F), averages at 19°C (67°F), and maximums reaching 34°C (94°F). However, October experiences slightly higher humidity levels at 75% compared to May's 69%. Precipitation is also a bit more pronounced in October, with 32 mm (1.3 in) over 4 days, compared to May's 25 mm (1.0 in) over 5 days. For more detailed information about the weather in October, you can check out Guia weather in October.

May and November showcase a distinct contrast in weather patterns. In May, temperatures range from a comfortable minimum of 6°C (43°F) to a scorching maximum of 34°C (94°F), with an average around 19°C (67°F). The month features relatively low precipitation at 25 mm (1.0 in) over about 5 days, and humidity levels hover around 69%. In contrast, November sees cooler temperatures, with a minimum of 4°C (39°F) and a maximum of 24°C (76°F), averaging 14°C (58°F). This month experiences increased rainfall, totaling 51 mm (2.0 in) across roughly 7 days, and humidity rises to 78%. For more detailed information, you can check Guia weather in November.

May and December offer distinctly different weather experiences. In May, temperatures range from a mild 6°C (43°F) to a warm peak of 34°C (94°F), with an average of 19°C (67°F). The month sees relatively low precipitation of 25 mm (1.0 in) over about 5 days and a moderate humidity level of 69%. In contrast, December's temperatures are considerably cooler, ranging from a minimum of 0°C (32°F) to a maximum of 22°C (71°F), with an average temperature of 12°C (54°F). December experiences higher precipitation of 44 mm (1.7 in), also over 5 days, and a higher humidity level of 81%. For a more detailed look at weather conditions in December, visit Guia weather in December.

Compare Guia's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Guia

As May unfolds in Guia, the weather transitions into a delightful spring experience, standing in stark contrast to the cooler months prior. With warmer temperatures averaging around 19°C (67°F) and a maximum that can reach 34°C (94°F), it invites outdoor activities and exploration. While rainfall remains minimal, with just a few days of precipitation, humidity levels maintain a comfortable 69%, perfectly balancing warmth with refreshment. This month heralds a shift towards sunnier days, making it an ideal time to engage with the beautiful surroundings of Guia. For a deeper understanding of the yearly climate patterns, check out Guia Climate.