Last updated: August 21, 2025
May in Ilheus, Brazil presents a warm and humid climate, with average temperatures hovering around 25°C (77°F). Daily highs can reach a comfortable 29°C (85°F), while nighttime lows settle around 20°C (69°F), providing a pleasant atmosphere for visitors. However, the month experiences significant rainfall, accumulating to 122 mm (4.8 in) over 22 days, creating lush, vibrant landscapes. The high humidity level of 83% contributes to the tropical feel of this beautiful coastal city, making it an ideal time for nature enthusiasts to explore Ilheus's rich flora and fauna.
In May, Ilheus, Brazil, welcomes the start of cooler temperatures as it transitions into the winter months. With a minimum temperature of 20°C (69°F) and a comfortable average of 25°C (77°F), the region experiences a gentle dip in warmth compared to the previous months. The maximum temperature, reaching around 29°C (85°F), still offers plenty of sunshine for outdoor activities, but the nights are pleasantly cooler, making it ideal for relaxing evenings. Overall, May serves as a perfect blend of warmth and mildness, providing an inviting climate for those looking to enjoy Ilheus' natural beauty and vibrant local culture.
In May, Ilheus experiences a significant shift in precipitation patterns, receiving 122 mm (4.8 in) of rainfall over 22 days. This marks a decline from the heavier April showers, which brought 149 mm (5.9 in) across 25 days. As the rainy season progresses, May’s rainfall reflects a slight easing of the downpours while still maintaining substantial humidity and lush landscapes. Notably, the wettest months of the year, like March with 138 mm and November with 164 mm, showcase a trend of increasing precipitation leading up to and following May. This mid-year transition highlights Ilheus' unique tropical climate, balancing between heavy rainfalls that enrich its vibrant ecosystem and drier spells that provide respite.
In May, Ilheus, Brazil, experiences a humidity level of 83%, reflecting a slight decrease from the preceding months, which peak at 84% in April. This continuity in elevated humidity levels throughout the early months of the year creates a lush, tropical environment, typical of this coastal region. Following May, a gradual decline occurs as June brings 80% humidity, hinting at the onset of a drier season. The trend of slowly decreasing humidity continues into the later months, emphasizing a transition toward the drier conditions of the Brazilian winter. This variation in humidity not only impacts the local climate but also shapes the vibrant flora and fauna that define Ilheus’s natural beauty.
In May, Ilheus, Brazil experiences a significant drop in the UV Index, which reaches a value of 10, categorizing it as very high. This marks a slight decline from the preceding months, where the index hovered consistently around 14 in January through March and 13 in April, indicating extreme exposure levels. With a recommended burn time of 15 minutes, it’s crucial for residents and visitors alike to remain vigilant about sun safety. As the year progresses, UV levels continue to fluctuate, with trends showing that while the intensity decreases slightly in May, it remains imperative to protect skin against potential harm during this time. For a more detailed understanding of UV trends throughout the year, check out the Ilheus UV Index.
UV Risk Categories
May brings a delightful average of 299 hours of sunshine to Ilheus, Brazil, perfectly nestled between the vibrant warmth of April and the cooler embrace of June. The steady trend of abundant sunlight is evident as the city transitions from March's peak of 312 hours to the lively month of May, showcasing a remarkable consistent glow. Notably, the year begins with a strong start, with January and February basking in 282 and 302 hours of sunshine, respectively, before gradually increasing toward October's impressive high of 315 hours. This cyclical pattern highlights Ilheus as a sun-soaked destination, making it an ideal spot for sun seekers throughout the year.
In Ilheus, Brazil, the weather in May offers a promising 45% chance of sunny days, slightly above the average for the preceding months. As the year transitions from April’s 39% to May’s mild warmth, this period marks a refreshing shift in weather patterns. Following March's notable high of 58%, May's likelihood of sunshine hints at a gradual stabilization as the region heads into winter. The upward trend continues into June, predicting a 48% chance of sunny skies, making this month an appealing option for those seeking radiant escapes. While the latter half of the year brings lower percentages, particularly in November and December, May stands out as a delightful window to bask in Ilheus's tropical charm.
In Ilheus, Brazil, the daylight duration exhibits a rhythmic pattern throughout the year, maintaining an impressive consistency. From January to March, residents enjoy a generous 12 hours of sunlight, perfect for beach days and outdoor adventures. As the calendar shifts to April and May, daylight slightly diminishes to 11 hours, marking a subtle transition into the cooler months. This trend continues through June to August, where the 11 hours of daylight persist, creating an inviting atmosphere for evening strolls and local festivities. As September rolls in, daylight extends once again, returning to 12 hours through the end of the year, highlighting Ilheus's tropical charm and inviting nature as it basks in abundant sunshine throughout most of the year.
As May arrives in Ilheus, Brazil, the average wind speed picks up to 3.5 m/s (8 mph), signaling a gentle increase that sets the stage for the upcoming months. This trend reflects a gradual ascent from the earlier months, with January to April showing relatively calm winds, primarily hovering around 3.0 to 3.4 m/s (7 to 8 mph). However, as the region approaches June and the winter months, winds continue to strengthen, culminating in July with a more robust average of 4.4 m/s (10 mph). This consistent wind pattern not only enhances the coastal experience but also marks the transition into a breezier season, perfect for enthusiasts seeking to embrace Ilheus' vibrant outdoor lifestyle. Overall, May serves as a delightful bridge, inviting both locals and visitors to relish in the refreshing, uplifting winds.
Weather in Ilheus varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Ilheus, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather in May and January, we see some notable differences. May tends to be slightly cooler with average temperatures ranging from a minimum of 20°C (69°F) to a maximum of 29°C (85°F), while January has consistently warmer averages, ranging from 22°C (72°F) to 30°C (85°F). Additionally, May experiences higher humidity at 83%, compared to January's more moderate 76%. Precipitation levels are also significantly different; May receives 122 mm (4.8 in) over 22 days, while January has only 60 mm (2.4 in) over 20 days. For those interested in a more detailed look at January weather in Ilheus, you can find additional information here.
When comparing the weather in May and February, February tends to be slightly warmer, with an average temperature of 27°C (80°F) compared to May's average of 25°C (77°F). Both months experience high humidity, but May has a higher value at 83%, while February sits at 79%. Additionally, May sees significantly more precipitation, with 122 mm (4.8 in) over 22 days, while February has only 73 mm (2.9 in) across 23 days. For more detailed information about February's weather, you can visit Ilheus weather in February.
In comparing the weather of March and May, we see a few notable differences. March tends to be slightly warmer on average, with temperatures ranging from a minimum of 22°C (73°F) to a maximum of 30°C (86°F), compared to May, where the range is from 20°C (69°F) to 29°C (85°F). While both months experience high humidity levels at 83%, March also sees more precipitation, with 138 mm (5.4 in) over 24 days, in contrast to May's 122 mm (4.8 in) over 22 days. For more details on March weather in Ilheus, you can visit Ilheus weather in March.
In comparing the weather of April and May, we can observe some notable differences. April generally experiences slightly warmer temperatures, with a minimum of 22°C (72°F) and an average of 26°C (79°F), compared to May's minimum of 20°C (69°F) and average of 25°C (77°F). Moreover, the maximum temperature in April reaches 30°C (87°F), while May sees a peak at 29°C (85°F). Precipitation is also higher in April, totaling 149 mm (5.9 in) over 25 rainy days, compared to May's 122 mm (4.8 in) over 22 days of rain. Both months have high humidity levels, with April sitting at 84% and May slightly lower at 83%. For more in-depth information on April weather, you can visit Ilheus weather in April.
In May, the weather tends to be quite warm, with temperatures ranging from a minimum of 20°C (69°F) to a maximum of 29°C (85°F) and an average of 25°C (77°F). Precipitation is notable during this month, with a total of 122 mm (4.8 in) spread over 22 days, resulting in high humidity levels of 83%. In contrast, June experiences slightly cooler temperatures, with a minimum of 20°C (69°F), an average of 24°C (75°F), and a maximum of 28°C (83°F). The overall precipitation decreases to 103 mm (4.1 in) across 25 days, and humidity dips slightly to 80%. For more detailed insights, check out Ilheus weather in June.
In May, the weather features warmer temperatures, with a minimum of 20°C (69°F) and an average of 25°C (77°F), reaching a maximum of 29°C (85°F). This month also sees higher precipitation levels, totaling 122 mm (4.8 in) over 22 days, accompanied by a humidity level of 83%. In contrast, July experiences slightly cooler temperatures, with a minimum of 19°C (67°F) and an average of 23°C (74°F), peaking at 28°C (82°F). The precipitation decreases to 90 mm (3.5 in) over 23 days, while humidity drops to 78%. For more details on July weather, you can check Ilheus weather in July.
May and August weather exhibit notable differences in temperature and precipitation patterns. In May, the temperatures range from a minimum of 20°C (69°F) to a maximum of 29°C (85°F), with an average of 25°C (77°F). This month experiences higher humidity at 83% and more rainfall, totaling 122 mm (4.8 in) over 22 days. In contrast, August sees slightly cooler temperatures, with a minimum of 19°C (66°F) and a maximum of 26°C (80°F), resulting in an average of 23°C (74°F). The precipitation in August amounts to 95 mm (3.7 in) spread across 21 days, accompanied by a lower humidity level of 76%. For a closer look at conditions during this month, visit Ilheus weather in August.
May and September exhibit distinct weather patterns. In May, temperatures range from a minimum of 20°C (69°F) to a maximum of 29°C (85°F), with an average of 25°C (77°F). This month also experiences significant rainfall, totaling 122 mm (4.8 in) over 22 days, coupled with a high humidity level of 83%. In contrast, September sees slightly cooler temperatures, with a minimum of 19°C (67°F) and a maximum of 27°C (81°F), resulting in an average of 24°C (75°F). Precipitation drops to 74 mm (2.9 in) across 18 days, and humidity decreases to 75%. Overall, September offers a milder and drier climate compared to the wet and humid conditions of May. For more details, check Ilheus weather in September.
May and October in Ilheus exhibit similar average temperatures, hovering around 25°C (77°F), but there are notable differences in their weather patterns. In May, temperatures range from a minimum of 20°C (69°F) to a maximum of 29°C (85°F), accompanied by higher precipitation of 122 mm (4.8 in) over 22 days, resulting in a humid environment with 83% humidity. In contrast, October features slightly warmer minimum temperatures of 21°C (70°F) and lower maximums of 28°C (83°F), with reduced rainfall at 96 mm (3.8 in) across 19 days, leading to a drier atmosphere with 74% humidity. For more insights into October’s weather, check out Ilheus weather in October.
May and November in Ilheus present a blend of warm temperatures and varied precipitation patterns, each with their own distinct characteristics. In May, temperatures range from a minimum of 20°C (69°F) to a maximum of 29°C (85°F), with an average of 25°C (77°F). The month experiences considerable rainfall, totaling 122 mm (4.8 in) over 22 days, contributing to a higher humidity level of 83%.
Conversely, November features slightly warmer temperatures, with a minimum of 22°C (71°F), an average of 25°C (78°F), and a maximum of 29°C (84°F), similar to May. However, this month sees an increase in precipitation, reaching 164 mm (6.5 in) spread over 23 days, yet with a lower humidity of 73%. Thus, while both months are quite warm, November typically feels a bit drier even though it receives more rain overall. For more insights on November weather, you can check Ilheus weather in November.
In comparing the weather between May and December, we see some notable differences. May generally enjoys warm temperatures, with a minimum of 20°C (69°F) and an average of 25°C (77°F), while December experiences slightly higher temperatures, ranging from a minimum of 22°C (72°F) to an average of 26°C (79°F). Although both months can reach a maximum of 29°C (85°F), May tends to be more humid, averaging 83% humidity compared to December's 72%. Precipitation is more pronounced in December, with 174 mm (6.9 in) over 24 days, compared to May's 122 mm (4.8 in) spread across 22 days. For more detailed information, check the Ilheus weather in December.
As May unfolds in Ilheus, the weather presents a unique blend of warmth and moisture, setting itself apart from other months. With temperatures averaging around 25°C (77°F), it offers a pleasant warmth, though the high humidity of 83% and the frequent rain, with 22 rainy days, create a lush, vibrant atmosphere. This month serves as a transition, balancing the hotter days that often characterize the preceding months with the promise of refreshing showers. Whether you’re exploring the scenic coastline or indulging in local culture, May’s weather adds an enchanting layer to the experience. For a detailed look at what to expect throughout the year, check out Ilheus Climate.