Last updated: August 21, 2025
In May, Cuiabá, Brazil experiences warm and inviting weather, with maximum temperatures reaching up to 34°C (94°F) and an average of 25°C (77°F). The month offers a comfortable reprieve with minimum temperatures dropping to around 7°C (45°F) at night. Although there is some rain with a total precipitation of 33 mm (1.3 in) over 6 days, the humidity remains high at 78%, contributing to the lush atmosphere of this vibrant city. Enjoy the mix of dry warmth and refreshing showers that define May in Cuiabá!
In May, Cuiabá experiences a noteworthy transition in temperatures that hints at the approaching winter. The month begins with a minimum temperature dropping to a brisk 7°C (45°F), reflecting a significant cool-down compared to earlier months. As the days unfold, the average temperature lingers around 25°C (77°F), creating a comfortable atmosphere for outdoor activities. The maximum temperature reaches 34°C (94°F), making it the last month of warmer summer-like heat before winter sets in. This blend of cooler mornings and warm afternoons showcases Cuiabá's climate diversity, bridging the gap between the sweltering heat of earlier months and the cooler days of June, inviting residents and visitors alike to embrace the city's dynamic seasonal shift.
In Cuiaba, Brazil, the month of May marks a significant drop in precipitation, receiving only 33 mm (1.3 in) over just 6 days. This contrasts sharply with the preceding months, where rainfall levels often exceeded 100 mm, particularly in February and November. The dry trend continues as June follows with a mere 2 mm (0.1 in), and it feels like summer has truly set in as July records no rainfall at all. This stark reduction suggests a seasonal shift from the wet season that typically dominates earlier in the year, paving the way for drier months ahead. As the region transitions into winter, the overall precipitation pattern clearly highlights a struggle between wet and dry, influencing both the environment and local life.
In Cuiaba, Brazil, May marks a noticeable shift in humidity levels, as the average drops to a comfortable 78%, providing a welcome respite from the high humidity that dominates the earlier months. While January through April hover in the high 80s to low 90s, May’s levels start to reflect the onset of the dry season, leading into the cooler months ahead. This downward trend continues into June, where humidity further declines to 63%, ultimately reaching its lowest point in the heart of winter at just 29% in October. The gradual decrease throughout May not only signals a change in climate but also hints at the vibrant outdoor activities and exploration opportunities that await in the more temperate conditions to come.
May in Cuiabá, Brazil, marks a distinct shift in the UV Index, as it registers a very high index of 10 with a burn time of just 15 minutes. This reduction from the extreme ratings seen earlier in the year—where January and February peaked at 16—indicates a slightly more forgiving sun, yet caution remains essential. From March to April, the Index gradually declined from 14 to 13, but the threat persists with a significant burn time of only 10 minutes in the summer months. As you enjoy the warming days of May, remember to protect your skin, as even a lower UV Index can still lead to sunburn. For detailed insights on the UV levels throughout the year, check out Cuiaba UV Index.
UV Risk Categories
May shines particularly bright in Cuiabá, Brazil, boasting an impressive 314 hours of sunshine. This marks a notable peak as the city transitions from the lush greenery of April, which recorded 300 hours. The increasing daylight hours signal the arrival of winter in the Southern Hemisphere, yet the warmth remains palpable. Following May, the sunshine remains generous, with June and July clocking in at 308 and 330 hours, respectively, showcasing a delightful consistency in sunny days. Overall, the data illustrates a trend towards an abundance of sunlight during the region's cooler months, making May a perfect time to bask in the radiant glow of Cuiabá's clear skies.
As May rolls into Cuiabá, the likelihood of sunny weather reaches 49%, marking a notable upward trend from the earlier months of the year. Starting with a modest 17% in January, the chance of sunshine gradually increases, peaking in July at a striking 91%. This progressive rise hints at the transition into a sunnier season, as the city basks in more light and warmth. By May, the weather is becoming increasingly favorable for outdoor activities, making it a delightful time for visitors and locals alike to enjoy the vibrant beauty of the Brazilian landscape. The pattern suggests that while the early months are more prone to clouds and rain, May offers a promising glimpse of the sun-drenched days that lie ahead.
In Cuiabá, Brazil, the interplay of daylight throughout the year reveals a fascinating rhythm that aligns closely with the region’s seasonal changes. The year kicks off with a consistent 12 hours of daylight from January to March, offering ample time for outdoor activities. As April approaches, the daylight begins to taper off slightly to 11 hours, a trend that continues through the middle of the year, suggesting a more subdued atmosphere during the cooler months of May to August. Interestingly, as September rolls in, daylight bounces back to 12 hours, eventually peaking in December with a generous 13 hours. This natural ebb and flow of sunlight not only enhances the vibrant culture of Cuiabá but also impacts the daily lives of its residents, who bask in long, sunlit days or embrace the cozy embrace of cooler evenings.
In Cuiabá, Brazil, the month of May ushers in a gentle increase in wind, with average speeds reaching 2.1 m/s (5 mph), slightly higher than the preceding months. This uptick marks the beginning of a gradual upward trend that continues into the colder months, with wind speeds progressively climbing from April's 1.7 m/s. The consistent breezes observed during May not only provide relief from the subtropical heat but also hint at the approaching dry season, as the winds further enhance outdoor activities and comfort. As the year unfolds, wind speeds in Cuiabá exhibit a pattern of steady increase, particularly noticeable from May through August, making these months particularly favorable for enjoying the outdoors amidst a moderate and refreshing breeze.
Weather in Cuiaba varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Cuiaba, focusing on differences in temperature, rainfall, humidity, and UV levels.
May and January exhibit distinctly different weather patterns. In May, temperatures range from a comfortable minimum of 7°C (45°F) to a maximum of 34°C (94°F), with an average of 25°C (77°F). This month experiences relatively low precipitation, about 33 mm (1.3 in), and humidity levels sit at 78%, making it a pleasant time of year. In contrast, January is much warmer, with temperatures ranging from 22°C (72°F) to a scorching 37°C (98°F) and an average of 27°C (81°F). However, January also brings significant rainfall, totaling 168 mm (6.6 in) over 21 days, accompanied by higher humidity at 88%. For more detailed insights on January weather, visit Cuiaba weather in January.
When comparing the weather in May and February, significant differences are evident. In May, temperatures range from a minimum of 7°C (45°F) to a maximum of 34°C (94°F), with an average of 25°C (77°F). This month experiences relatively low precipitation of 33 mm (1.3 in) over just 6 days, accompanied by a humidity level of 78%. In contrast, February sees warmer temperatures, with a minimum of 21°C (70°F) and a maximum reaching up to 35°C (95°F), averaging at 27°C (80°F). Notably, it also experiences much higher rainfall, totaling 224 mm (8.8 in) spread over 24 days, with humidity levels peaking at 88%. For more detailed insights on February weather, you can check Cuiaba weather in February.
May and March exhibit distinct weather characteristics, with notable differences in temperature and precipitation. In May, temperatures range from a minimum of 7°C (45°F) to a maximum of 34°C (94°F), averaging around 25°C (77°F), while March maintains a warmer climate with temperatures between 21°C (70°F) and 36°C (97°F), averaging 27°C (81°F). Additionally, May experiences significantly less rainfall, with only 33 mm (1.3 in) over 6 days, compared to March's substantial 201 mm (7.9 in) of precipitation spread over 23 days. Humidity levels are also higher in March, reaching 89% versus May's 78%. For a deeper look at March's weather, you can visit Cuiaba weather in March.
In comparing the weather from April to May, May experiences a broader temperature range with minimums dipping to 7°C (45°F) and maximums reaching 34°C (94°F), while April has milder temperatures generally, with minimums starting at a warmer 15°C (59°F) and maximums peaking at 36°C (97°F). Although May has a lower average temperature of 25°C (77°F) compared to April's 26°C (80°F), it also brings significantly less rainfall at 33 mm (1.3 in), in contrast to April's substantial 123 mm (4.8 in), which falls over 16 days compared to May's 6 days. The humidity levels are also higher in April at 87% versus May's 78%, contributing to a thicker, more oppressive feel in the earlier month. For a deeper understanding of the April weather patterns, you can explore Cuiaba weather in April.
May and June present distinct weather patterns, with May experiencing a wider temperature range and higher humidity. In May, temperatures range from a low of 7°C (45°F) to a high of 34°C (94°F), accompanied by an average temperature of 25°C (77°F) and about 33 mm of precipitation over 6 days. This leads to a relatively high humidity level of 78%. In contrast, June offers a milder climate, with minimum temperatures rising to 10°C (51°F) and a slightly lower average of 24°C (76°F). June also sees a maximum temperature of 35°C (95°F) but experiences significantly less rainfall, with only 2 mm and no rainy days, resulting in a decrease in humidity to 63%. For a more detailed look at June's conditions, you can check Cuiaba weather in June.
In comparing the weather of May and July, there are noticeable differences in both temperature and precipitation. May experiences a warmer average temperature of 25°C (77°F), with maximum highs reaching 34°C (94°F), while July's average temperature dips slightly to 24°C (75°F), and the maximum can go up to 35°C (96°F). Humidity levels are also significantly higher in May at 78%, compared to July's drier atmosphere with just 50% humidity. Furthermore, May sees 33 mm (1.3 in) of precipitation over six days, whereas July boasts a completely dry profile with 0 mm of rainfall recorded on zero days. For more detailed information on July weather conditions, you can refer to Cuiaba weather in July.
When comparing the weather in May and August, there are notable differences in temperature and humidity. May tends to have a wider range of temperatures, with a minimum of 7°C (45°F) and a maximum of 34°C (94°F), while August shows a milder range, with a minimum of 11°C (52°F) and a peak of 39°C (102°F). In terms of average temperatures, both months are relatively warm, with May averaging at 25°C (77°F) and August slightly warmer at 26°C (79°F). Precipitation levels are significantly different; May experiences about 33 mm (1.3 in) over 6 days, while August has only 12 mm (0.5 in) over just a single day. Additionally, humidity in May is considerably higher at 78%, compared to August's more comfortable 39%. For more details, check out Cuiaba weather in August.
May and September display contrasting weather patterns, highlighting the transition between the spring and early autumn seasons. In May, temperatures range from a minimum of 7°C (45°F) to a maximum of 34°C (94°F), with an average of 25°C (77°F). This month experiences relatively high humidity at 78%, accompanied by 33 mm (1.3 in) of precipitation over 6 days. In contrast, September brings warmer temperatures, with a minimum of 12°C (54°F) and a maximum reaching a scorching 41°C (106°F), along with an average of 29°C (84°F). Precipitation decreases to 26 mm (1.0 in) across just 5 days, and humidity significantly drops to 30%. For a more detailed look at September weather, you can check Cuiaba weather in September.
May and October present contrasting weather patterns. In May, temperatures range from a refreshing 7°C (45°F) to a warm 34°C (94°F), with an average of 25°C (77°F), complemented by 33 mm (1.3 in) of precipitation over about 6 days and a relatively high humidity of 78%. In contrast, October experiences higher temperatures, with a minimum of 19°C (66°F) and a maximum soaring up to 41°C (107°F), averaging 28°C (84°F). However, it also sees significantly more rainfall, totaling 106 mm (4.2 in) across 14 days, but with much lower humidity at 29%. For a detailed look at the weather specific to this month, you can check Cuiaba weather in October.
May and November in Cuiabá present distinct weather patterns. In May, temperatures range from a comfortable minimum of 7°C (45°F) to a warm maximum of 34°C (94°F), with an average of 25°C (77°F). Precipitation is relatively low at 33 mm (1.3 in), occurring over about six days, accompanied by a higher humidity of 78%. In contrast, November sees higher temperatures, with a minimum of 20°C (68°F) and a peak reaching 39°C (102°F), while the average hovers around 27°C (82°F). Rainfall significantly increases to 173 mm (6.8 in), spread over 21 days, and humidity drops to 62%. For a detailed look at conditions during this month, visit Cuiaba weather in November.
May and December present contrasting weather patterns. In May, temperatures range from a cooler minimum of 7°C (45°F) to a warm average of 25°C (77°F), with highs reaching up to 34°C (94°F). The month is relatively dry, experiencing only 33 mm (1.3 in) of precipitation over approximately six days, and a humidity level of 78%. In contrast, December boasts significantly warmer temperatures, with a minimum of 21°C (71°F) and an average of 27°C (81°F), peaking at 36°C (97°F). However, it is also considerably wetter, receiving 213 mm (8.4 in) of rain across about 24 days, accompanied by a slightly higher humidity of 84%. For more details on December weather, check Cuiaba weather in December.
As May arrives in Cuiabá, the weather brings a delightful shift, offering a warmer embrace compared to other months. With maximum temperatures peaking around 34°C (94°F), this month is notably hotter, while the average temperature settles comfortably at 25°C (77°F). Although cooler nights can dip to 7°C (45°F), the warmth during the day invites outdoor adventures. Additionally, May experiences a modest 33 mm (1.3 in) of rainfall over six days, making it one of the drier times of the year, yet humidity remains high at 78%, giving a sense of tropical ambiance. This unique blend of warmth and occasional rain makes May an appealing time to explore the rich natural beauty of the region. For a deeper dive into the climatic nuances of this vibrant city, check out Cuiaba Climate.