Last updated: August 21, 2025
In Belém, Brazil, May promises a warm tropical experience, with maximum temperatures soaring to an inviting 33°C (91°F) and an average of 27°C (81°F). Evenings bring a comfortable minimum of 23°C (74°F). However, visitors should prepare for frequent rain, as the month records an impressive 288 mm (11.3 in) of precipitation over approximately 27 days, coupled with a high humidity level of 89%. This blend of warmth and moisture creates a lush, vibrant environment, making May a unique time to experience Belém's rich culture and natural beauty.
In May, temperatures in Belém, Brazil begin to warm up, reflecting a slight increase in both the average and maximum readings. With a minimum temperature consistently around 23°C (74°F), the month sees an average reaching 27°C (81°F), while daytime highs can climb to 33°C (91°F). This progression marks a subtle rise from the previous months, where averages remained stable at 26°C (80°F). As Belém transitions into the mid-year, the warmth becomes more pronounced, inviting both locals and visitors to embrace the vibrant atmosphere amidst the tropical heat.
In May, Belem experiences a significant rainfall totaling 288 mm (11.3 in), indicating a noticeable decrease from the wetter months of February through April. Despite this reduction, precipitation remains robust with rain falling on 27 days, maintaining the region's lush, tropical landscape. As the city transitions into June, the rainfall further declines, foreshadowing the drier months ahead. This pattern reflects a shift in Belem's climate, where the heavier, continuous rains of earlier months gradually give way to more sporadic, lighter showers, hinting at the beginning of the dry season that will follow.
In May, Belém, Brazil, experiences a humidity level of 89%, which ties with January as the most humid month of the year. This high humidity is indicative of the region's overall wet climate, particularly prevalent in the early months of the year. Following May, humidity gradually decreases in June to 86%, before dropping to 81% in the summer months of July and August. This downward trend continues, reaching a low of 69% from September through October, before the humidity begins to creep back up in November and December. The consistent high humidity in May highlights Belém's tropical climate, characterized by warmth and moisture that shape its lush environment and vibrant ecosystems.
In May, Belem, Brazil, continues to experience a high UV Index of 13, categorized as extreme, which means that even a brief sun exposure can lead to sunburn in just 10 minutes. This trend of elevated UV levels is consistent throughout the first half of the year, with the Index peaking at 16 in March and remaining above 11 even as the cooler months approach. The persistent need for sun protection is evident, as Belem's UV exposure remains seriously intense, prompting residents and visitors alike to stay vigilant against sun damage. For more information on UV levels and safety in Belem, explore the details at Belem UV Index.
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In May, Belem, Brazil, basks in 282 hours of glorious sunshine, marking a vibrant peak in the region's annual luminosity. This month stands out as a transitional period, nestled between the lush, rain-soaked months preceding it and the sun-drenched days that follow. As the city emerges from the milder light of April, which offered a respectable 233 hours, the sun's presence intensifies, ushering in warmer days that invite outdoor exploration. This trend of increasing sunlight continues into the early winter months, with June and July recording impressive totals of 311 and 343 hours respectively. Overall, May serves as a delightful reminder of Belem's abundant sunshine, setting the stage for the stunning light that characterizes the subsequent months.
As May unfolds in Belém, Brazil, the likelihood of sunny weather rises significantly, offering a refreshing change compared to the earlier months of the year. With a sunny probability of 30%, May marks a notable increase from the 11% in March and 19% in January and February. This trend continues to improve as the year progresses, peaking in the mid-year months; June and July boast 50% and 48% chances of sunshine, respectively. The transition into the more arid months showcases a gradual shift towards brighter days, making May a promising time for outdoor activities and exploration.
In Belém, Brazil, the rhythm of daylight remains a constant embrace throughout the year, with 12 hours of daylight delivered daily from January through December. This surreal consistency creates a unique atmosphere where the sun rises and sets in a dependable dance, allowing residents and visitors alike to immerse themselves in the vibrant culture and lush landscapes without the fluctuations typically seen in other regions. The unchanging daylight duration not only encourages outdoor activities year-round but also fosters a sense of stability and predictability in daily life, enriching the experience of this tropical paradise.
In May, the winds in Belém, Brazil gently calm to an average speed of 2.0 m/s (4 mph), marking a slight dip from the previous months. This trend of gradually decreasing wind speeds begins in March, where winds hover around 2.1 m/s, and continues into May, before slightly picking up again in June. Interestingly, as the year progresses, wind speeds tend to fluctuate, with the highest averages reached in the latter months, particularly from September to October where they peak at 2.6 - 2.7 m/s. This seasonal rhythm provides a serene backdrop, making May a tranquil transitional period in Belém’s rich tapestry of winds.
Weather in Belem varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Belem, focusing on differences in temperature, rainfall, humidity, and UV levels.
May and January exhibit similar warm temperatures, with January seeing slightly lower averages; the minimum in both months is around 23°C (73°F) and 23°C (74°F), respectively. While May has a marginally higher average temperature of 27°C (81°F) compared to January's 26°C (80°F), January's maximum temperature is just a degree lower at 32°C (90°F) than May's 33°C (91°F). Precipitation also differs; May experiences more rainfall at 288 mm (11.3 in) over 27 days, in contrast to January's 232 mm (9.1 in) spread over 25 days. Both months share a high humidity level of 89%. For more specifics, check out Belem weather in January.
In comparing the weather of May and February, we observe some notable differences. Both months feature a minimum temperature of 23°C (74°F), but May tends to be slightly warmer on average, with an average temperature of 27°C (81°F) compared to February's 26°C (80°F). While May's maximum temperature reaches up to 33°C (91°F), February has a maximum of 32°C (90°F). One significant difference lies in precipitation; February sees considerably more rain, with 439 mm (17.3 in) compared to May's 288 mm (11.3 in), and both months experience about 27 days of rainfall. Despite receiving less rainfall, May is notably more humid at 89%, while February has a lower humidity level of 81%. For a closer look at February's weather, you can check Belem weather in February.
May and March in Belem exhibit relatively similar temperatures, with both months having a minimum of around 23°C (74°F) and maximum temperatures peaking at 33°C (91°F) in May and 32°C (90°F) in March. However, May tends to be slightly warmer on average, with temperatures reaching about 27°C (81°F) compared to March's average of 26°C (79°F). In terms of precipitation, March is wetter, receiving 471 mm (18.6 in) over 30 days, while May sees less rain, totaling 288 mm (11.3 in) over 27 days, resulting in a more humid atmosphere in May at 89% compared to March's 81%. For further details, check out the comprehensive overview here: Belem weather in March.
May's weather exhibits slightly warmer temperatures compared to April, with an average of 27°C (81°F) and a maximum of 33°C (91°F), while April holds an average of 26°C (80°F) with a peak of 32°C (91°F). Despite the mild temperature differences, May experiences a significant decrease in precipitation, totaling 288 mm (11.3 in) over 27 days, compared to April's 416 mm (16.4 in) spread over 30 days. The humidity remains fairly high in both months, with May at 89% and April at 85%. For a more detailed look at the weather patterns, you can visit Belem weather in April.
May and June share similar temperature ranges, with both months exhibiting minimum temperatures of 23°C (74°F), average temperatures around 27°C (81-82°F), and maximum temperatures reaching 33°C (91°F). However, a stark contrast lies in their precipitation levels; May experiences a substantial 288 mm (11.3 in) of rain over 27 days, while June sees a significant reduction to just 114 mm (4.5 in) across 20 days. Additionally, humidity remains high in both months, decreasing slightly from 89% in May to 86% in June. For a deeper dive into the specifics of June weather in Belem, you can explore Belem weather in June.
In May, the weather is characterized by higher humidity and more precipitation, with average temperatures ranging from a minimum of 23°C (74°F) to a maximum of 33°C (91°F) and a significant 288 mm (11.3 in) of rain spread over 27 days. In contrast, July offers similarly warm temperatures, with lows around 23°C (73°F) and highs reaching 33°C (92°F), but it experiences considerably less rainfall, totaling only 76 mm (3.0 in) across 15 days and lower humidity at 81%. This reduction in precipitation makes July a drier and more comfortable month compared to the wetter conditions of May. For more information, check out Belem weather in July.
In May, the weather is characterized by higher humidity levels at 89%, along with an average temperature of 27°C (81°F) and significant rainfall totaling 288 mm (11.3 in) over 27 days. In contrast, August brings slightly warmer average temperatures at 28°C (82°F) and a maximum of 34°C (94°F), but it experiences much lower precipitation, with only 44 mm (1.7 in) over just 10 days, and a drop in humidity to 72%. This change in weather patterns highlights a transition from the rainy season in May to a drier and warmer August, making it a more comfortable month overall. For more insights on the weather, you can check Belem weather in August.
May and September exhibit notable differences in weather patterns. While both months share a minimum temperature of 23°C (74°F), September tends to be warmer overall, with an average of 28°C (82°F) and a maximum of 34°C (94°F), compared to May's average of 27°C (81°F) and maximum of 33°C (91°F). Precipitation levels also vary significantly: May experiences high rainfall of 288 mm (11.3 in) over 27 days, resulting in a very humid atmosphere at 89%. In contrast, September sees a drastic reduction in precipitation, totaling just 39 mm (1.6 in) across 10 days, leading to a much lower humidity of 69%. For a detailed overview, check out Belem weather in September.
May and October showcase distinct weather characteristics in Belem. In May, temperatures range from a minimum of 23°C (74°F) to a maximum of 33°C (91°F), with an average of 27°C (81°F). The month is notably humid, with 89% humidity and a significant amount of precipitation, totaling 288 mm (11.3 in) over 27 days. In contrast, October sees slightly higher temperatures, with a minimum of 24°C (75°F) and a maximum of 34°C (93°F), along with a comfortable average of 28°C (83°F). The humidity drops to 69%, and rainfall is considerably less, with only 39 mm (1.5 in) over 11 days. For more details, you can check Belem weather in October.
May and November both offer warm temperatures, but their weather patterns differ significantly. In May, the average temperature ranges from a minimum of 23°C (74°F) to a maximum of 33°C (91°F), accompanied by high humidity at 89%. This month sees a substantial amount of rainfall, totaling 288 mm (11.3 in) over 27 days. In contrast, November is slightly warmer with temperatures ranging from a minimum of 24°C (75°F) to a maximum of 34°C (93°F), but it experiences much less rainfall, with only 97 mm (3.8 in) spread over 13 days and a lower humidity level of 71%. These factors make November a drier and more comfortable month compared to the wetter conditions of May. For more details on the weather, you can check Belem weather in November.
In May, the weather tends to be quite humid, with temperatures ranging from a minimum of 23°C (74°F) to a maximum of 33°C (91°F) and an average of 27°C (81°F). This month experiences substantial precipitation, averaging 288 mm (11.3 in) over 27 days, making it one of the wetter months. In contrast, December sees slightly higher maximum temperatures, reaching up to 34°C (94°F) while maintaining the same minimum and average temperatures as May. Precipitation in December is lower at 170 mm (6.7 in) over 23 days, and the humidity is also a bit lower at 82%. For more details, you can check Belem weather in December.
In May, Belém experiences a blend of tropical warmth and noticeable rainfall that sets it apart from other months. While temperatures remain quite comfortable with an average of 27°C (81°F), May is characterized by frequent showers, totaling 288 mm (11.3 in) of precipitation across approximately 27 rainy days. This significant rainfall, combined with high humidity levels of 89%, creates a lush, vibrant atmosphere often absent in the drier months. The cool breezes and vibrant greenery make May a unique time to experience Belém’s tropical charm. For more detailed insights into the weather throughout the year, explore Belem Climate.