May Weather in Porto Seguro, Brazil

Last updated: August 21, 2025

May in Porto Seguro, Brazil brings a delightful warmth with maximum temperatures reaching 29°C (85°F) and an average of 25°C (77°F), making it an ideal time for beachgoers. The nights are pleasantly mild, dipping to a minimum of 19°C (67°F). However, visitors should prepare for the moisture-laden air, as humidity levels hover around 81%. With precipitation totaling 129 mm (5.1 in) over 20 days, occasional showers are common, adding to the lush greenery of the region. Despite the rain, May offers a vibrant atmosphere that captures the essence of this tropical paradise.

May Temperature in Porto Seguro

In May, Porto Seguro experiences a pleasant transition into cooler weather, with temperatures ranging from a low of 19°C (67°F) to a comfortable average of 25°C (77°F) and a maximum of 29°C (85°F). This month marks a notable dip from April's slightly warmer conditions, reflecting a gradual cooling trend as the region heads towards winter. Travelers can expect warm days balanced with cooler evenings, making it an ideal time for outdoor adventures while still enjoying the inviting coastal atmosphere. The temperatures are a refreshing change compared to the hotter summer months, inviting visitors to explore Porto Seguro's stunning beaches and vibrant culture in a more temperate climate.

May Weather in Porto Seguro: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Porto Seguro, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Porto Seguro, May typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec798080797675737375777778
Data source: Temperature data for Porto Seguro 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 Porto Seguro

In May, Porto Seguro experiences a significant amount of rainfall, with 129 mm (5.1 in) recorded over approximately 20 days. This level of precipitation is slightly less than the preceding month's 130 mm but remains high compared to the overall yearly trend, reflecting a consistent wet period in the region. The midst of autumn in Brazil sees a peak in rainy days, with May continuing the pattern established in March and April, where 21 and 23 days of rain were logged, respectively. As the year progresses into June, precipitation begins to decline, indicating a transition towards a drier season. This trend shows how May acts as a bridge between the heaviest rainfall months and the onset of a milder climate, setting the stage for upcoming weather patterns.

May Precipitation Trends in Porto Seguro

The chart displays monthly precipitation patterns in Porto Seguro, 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. In Porto Seguro, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec48581211301297861655993193210
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Porto Seguro

In May, Porto Seguro experiences a comfortable humidity level of 81%, which reflects a slight dip from the higher averages seen in the preceding months of March and April, both recorded at 83%. This drop in humidity marks the beginning of a gradual decrease as the region transitions into the cooler winter months. Interestingly, from January to April, humidity peaks at 75% to 83%, creating a lush atmosphere that is characteristic of the rainy season. Following May, the trend continues downward, with June seeing a lower 78%, and further decreasing to 76% in July. Overall, while May remains relatively humid, it serves as a turning point in Porto Seguro's climate, ushering in a more temperate season ahead.

May Average Humidity in Porto Seguro

This chart illustrates the average monthly humidity levels in Porto Seguro, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Porto Seguro is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%79%83%83%81%78%76%75%73%72%72%72%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Porto Seguro

May in Porto Seguro, Brazil, marks a transition in UV intensity, with the UV Index dropping to 10, categorizing it as very high. This decline provides a slight respite from the extreme levels seen earlier in the year, where January to April consistently boasted indices between 12 to 15, resulting in a swift burn time of only 10 minutes. In contrast, while May still calls for caution, the burn time increases to 15 minutes, allowing for slightly longer outdoor activity. As summer approaches, adjusting your sun protection habits remains crucial; don't forget to stay informed at Porto Seguro UV Index for your safety on sun-soaked days!

Maximum UV Index Levels in Porto Seguro for May

The chart shows the monthly maximum UV Index (UVI) for Porto Seguro 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. In May, the maximum UV index in Porto Seguro typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1515141210891112141515
Data source: Porto Seguro 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 Porto Seguro

May in Porto Seguro, Brazil, offers a delightful balance of sunshine, with an average of 296 hours of bright, sunny days. Nestled between the sun-drenched months of March and April, May experiences slightly less sunlight, yet remains vibrant and inviting. As summer approaches, hours of sunshine gradually increase again, peaking in September with 316 hours. This trend reflects Porto Seguro’s characteristic warm climate, with each month showcasing its own appeal. For travelers and beachgoers alike, May stands out as a wonderful time to enjoy the region's natural beauty, bridging the transition from the rich sunshine of earlier months to the comforting warmth of the coming summer.

Monthly Sunshine Duration in Porto Seguro: May Highlighted

The May sunshine duration represents the total number of hours Porto Seguro 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.
JanFebMarAprMayJunJulAugSepOctNovDec288h305h314h300h296h289h302h307h316h306h274h306h
Data source: Porto Seguro May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Porto Seguro During May

When considering the likelihood of sunny weather in May in Porto Seguro, Brazil, the statistics reveal a modest 45% chance of sunshine. This places May in a transitional period, as the sunny probabilities fluctuate throughout the year. Following April's 42% chance, May offers a slight increase, suggesting the region’s gradual shift towards sunnier days. Notably, this month sits just above the mid-year average, with June and July peaking higher at 49% and 58%, respectively. While the beginning of the year, particularly March with 59%, typically exhibits more sunny days, May serves as a reminder of the approaching winter, with numbers gradually tapering off into the darker months. Thus, while May may not guarantee clear skies, it still holds ample potential for delightful sun-filled moments in this vibrant coastal paradise.

Percentage of Sunny Days in May in Porto Seguro

The chart illustrates the percentage of sunny days in Porto Seguro 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 Porto Seguro experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec54%30%59%42%45%49%58%49%54%38%18%15%
Data source: Porto Seguro May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Porto Seguro in May

In Porto Seguro, Brazil, the rhythm of daylight shifts subtly throughout the year, painting a vibrant picture of seasonal change. From January to March, residents bask in a consistent 12 hours of daylight, ideal for exploring the stunning beaches and lush landscapes. As April arrives, daylight begins to wane slightly to 11 hours, a trend that continues through the cooler months of May to August, creating a cozy atmosphere for both locals and visitors. Come September, daylight perks up once again, returning to 12 hours, inviting outdoor adventures as the days grow longer nearing the end of the year. December stands out with 13 hours of daylight, providing ample time to enjoy the festive spirit in the sun-drenched paradise. This gradual ebb and flow of daylight not only shapes daily activities but also highlights the ever-changing beauty of Porto Seguro throughout the seasons.

Average Daylight Hours in Porto Seguro for May

The chart illustrates the variation in daylight duration in Porto Seguro throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec12h 58m12h 36m12h 9m11h 41m11h 19m11h 8m11h 14m11h 34m12h12h 27m12h 52m13h 4m
Data source: Porto Seguro daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Porto Seguro

As the calendar turns to May in Porto Seguro, the winds begin to pick up slightly, reaching an average speed of 3.8 m/s (9 mph). This marks a gentle increase from the calmer months of early spring, notably April's 3.6 m/s. Not only does May bring a refreshing breeze, but it also sets the stage for a trend that continues into the winter months, with June maintaining a steady 3.6 m/s. However, the wind speeds really start to soar in the middle of the year; July peaks at 4.5 m/s (10 mph), hinting at nature’s volatility. This progression underscores Porto Seguro's dynamic climate—where mild fluctuations give way to bolder gusts, especially as the year unfolds towards the more invigorating, windier months ahead.

Average May Wind Speed in Porto Seguro

The chart displays monthly wind speed patterns in Porto Seguro, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.44.03.53.63.8 m/s3.64.53.94.04.44.33.8
Data source: Porto Seguro May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Porto Seguro Compares to Other Months

Weather in Porto Seguro varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Porto Seguro, focusing on differences in temperature, rainfall, humidity, and UV levels.

May and January both offer warm temperatures, but January tends to be slightly warmer with an average of 26°C (80°F), compared to May's average of 25°C (77°F). While January has higher minimum temperatures at 23°C (73°F), the maximum temperatures are comparable, peaking at 30°C (85°F) in January and 29°C (85°F) in May. However, May is characterized by significantly higher precipitation, receiving 129 mm (5.1 in) over 20 days, compared to January's 48 mm (1.9 in) spread over 15 days. Additionally, humidity levels are higher in May at 81%, compared to January's 75%. For more detailed information, you can check the Porto Seguro weather in January.

When comparing the weather in May and February, May tends to be cooler, with average temperatures ranging from a minimum of 19°C (67°F) to a maximum of 29°C (85°F). In contrast, February is warmer, with temperatures starting at 23°C (73°F) and peaking at 31°C (88°F). Although May experiences higher precipitation levels at 129 mm (5.1 in) over 20 days, February has significantly less rainfall, recording only 58 mm (2.3 in) during the same number of days. Humidity remains relatively stable in both months, with May at 81% and February slightly lower at 79%. For more details on February weather, you can refer to Porto Seguro weather in February.

In comparing the weather of May and March, we notice some interesting contrasts and similarities. March typically boasts warmer temperatures, with an average of 26°C (80°F) and maximums reaching up to 31°C (87°F), compared to May's average of 25°C (77°F) and maximum of 29°C (85°F). However, March also sees higher minimum temperatures, starting at 23°C (74°F), while May's minimum is cooler at 19°C (67°F). In terms of precipitation, both months experience significant rainfall, with May averaging 129 mm (5.1 in) over 20 days, and March slightly less at 121 mm (4.8 in) over 21 days. Humidity is also slightly higher in March at 83%, contrasted with May's 81%. For more detailed information, you can check out Porto Seguro weather in March.

In comparing the weather of April and May, April tends to be slightly warmer overall, with average temperatures ranging from a minimum of 22°C (71°F) to a maximum of 31°C (87°F). In contrast, May sees cooler temperatures, with a minimum of 19°C (67°F) and a maximum of 29°C (85°F). Both months experience similar levels of precipitation, with April receiving 130 mm (5.1 in) over 23 days and May receiving 129 mm (5.1 in) over 20 days. Humidity levels are also comparable, with April at 83% and May at 81%. For those interested in further details about April's weather specifics, you can check Porto Seguro weather in April.

In comparing the weather of May and June, one can observe some notable differences. May typically sees a slightly warmer average temperature of 25°C (77°F), with a minimum of 19°C (67°F) and a maximum reaching 29°C (85°F). However, it also experiences higher precipitation levels, averaging 129 mm (5.1 in) over 20 days, alongside a humidity level of 81%. In contrast, June features a marginally cooler average temperature of 24°C (75°F), starting with a minimum of 20°C (69°F) and peaking at 29°C (84°F). Rainfall decreases significantly to 78 mm (3.1 in) over 18 days, with humidity slightly lower at 78%. For more details on June weather, visit Porto Seguro weather in June.

In May, the weather is generally warmer with temperatures ranging from a minimum of 19°C (67°F) to a maximum of 29°C (85°F), resulting in an average temperature of 25°C (77°F). The month is quite humid, with humidity levels reaching 81%, and experiences significant rainfall of 129 mm (5.1 in) over 20 days. In contrast, July sees slightly cooler temperatures, with a minimum of 20°C (67°F) and a maximum of 28°C (83°F), leading to an average of 23°C (74°F). Rainfall is much lower in July, totaling 61 mm (2.4 in) over 19 days, and humidity decreases to 76%. For more specific weather details, check out Porto Seguro weather in July.

May and August in Porto Seguro present distinct weather characteristics. In May, temperatures are generally warmer, with a minimum of 19°C (67°F) and an average of 25°C (77°F), reaching a maximum of 29°C (85°F). This month also experiences higher precipitation, with 129 mm (5.1 in) spread over 20 days and humidity levels peaking at 81%. In contrast, August sees cooler temperatures, with a minimum of 18°C (65°F) and an average of 23°C (73°F), peaking at 27°C (80°F). The precipitation drops significantly to 65 mm (2.6 in) across 19 days, accompanied by a lower humidity level of 75%. For more insights into what to expect during this month, check out Porto Seguro weather in August.

May and September weather in the region show some notable differences. In May, temperatures range from a minimum of 19°C (67°F) to a maximum of 29°C (85°F), with an average temperature of 25°C (77°F). This month also sees considerable precipitation at 129 mm (5.1 in) over approximately 20 days, contributing to a high humidity level of 81%. In contrast, September experiences slightly warmer temperatures, with a minimum of 20°C (68°F) and a maximum of 28°C (82°F), averaging 24°C (75°F). Rainfall is significantly lower in September at 59 mm (2.3 in) over 14 days, and the humidity decreases to 73%. For more detailed information on September weather, check out Porto Seguro weather in September.

In comparing the weather of May and October, both months feature similar average temperatures, around 25°C (77°F), with October displaying slightly warmer minimum temperatures at 21°C (71°F) compared to May's 19°C (67°F). However, May experiences a higher maximum temperature than October, reaching up to 29°C (85°F) compared to October’s 29°C (84°F). When it comes to precipitation, May is significantly wetter with 129 mm (5.1 in) over 20 days, while October sees less rainfall, totaling 93 mm (3.7 in) across 16 days. Additionally, humidity levels are higher in May at 81%, whereas October has a more comfortable 72%. For more specific details about the weather in October, you can visit Porto Seguro weather in October.

May and November in Porto Seguro feature relatively similar temperature ranges, with both months showcasing average highs around 29°C (85°F) and lows near 19-20°C (67-69°F). However, May experiences higher humidity levels at 81%, compared to November's 72%. Precipitation is notably greater in November, with average rainfall reached at 193 mm (7.6 in) over 20 days, while May has 129 mm (5.1 in) of rain under the same number of wet days. For more detailed insights, you can check the Porto Seguro weather in November.

In May, the weather features a slightly lower average temperature, with minimums around 19°C (67°F) and highs reaching 29°C (85°F). The month experiences considerable rainfall, totaling 129 mm (5.1 in) over approximately 20 days, contributing to a high humidity level of 81%. In contrast, December is warmer, with minimum temperatures averaging 22°C (72°F) and consistent highs at 29°C (85°F). However, it also sees increased rainfall, totaling 210 mm (8.3 in) spread over 21 days, accompanied by a more comfortable humidity of 72%. For more details, check out Porto Seguro weather in December.

Compare Porto Seguro's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Porto Seguro

As May rolls into Porto Seguro, visitors can expect a unique blend of warmth and humidity, offering a different charm compared to other months. The temperatures remain pleasantly warm, making it perfect for those who enjoy balmy conditions. However, May also brings the most significant rainfall of the year, with increased precipitation and frequent showers that can add a refreshing twist to daily activities. This shift in weather patterns leads to a lush, vibrant landscape, showcasing the beauty of nature in full bloom. For more detailed information on what to expect in Porto Seguro throughout the year, explore the Porto Seguro Climate.