Last updated: August 21, 2025
In January, Itacoatiara, Brazil experiences a tropical climate characterized by warm temperatures and considerable rainfall. The maximum temperature reaches a sweltering 33°C (92°F), while the average stays at a comfortable 27°C (80°F). Evenings bring relief with a minimum of 22°C (73°F). This month sees a significant precipitation total of 267 mm (10.5 in) over 23 days, underscoring the region's high humidity of 86%. Visitors should be prepared for intermittent showers amidst the warmth, making January a vibrant yet humid month in this picturesque locale.
In Itacoatiara, Brazil, January marks the beginning of a warm season, with temperatures ranging from a pleasant 22°C (73°F) at night to a sizzling 33°C (92°F) during the day, averaging around 27°C (80°F). This mild start showcases a steady pattern for the month, as the city gracefully transitions into even warmer months ahead. As the year progresses, temperatures remain consistently high, with February and March maintaining similar averages, while April introduces a higher peak at 34°C (93°F). By August and September, the heat intensifies, consistently reaching 35°C (96°F), hinting at the tropical climate's influence. Overall, Itacoatiara's January temperatures set the stage for the year, emphasizing a trend of warmth that only escalates as the months unfold, with little variation in the nighttime lows throughout the year, generally hovering around 23°C (74°F).
In January, Itacoatiara experiences a significant start to the year with an impressive precipitation amount of 267 mm (10.5 in), falling over 23 days. This sets the stage for a season characterized by ample rainfall, as the region transitions into even wetter months ahead. February and March see a marked increase, with rainfall peaking at 315 mm (12.4 in) in March, showcasing a distinct upward trend. The number of rainy days gradually climbs, reaching up to 28 days in April, when the rainfall hits its annual high at 387 mm (15.2 in), illustrating the peak of the wet season. Following this, however, precipitation begins to dwindle, with June and July bringing a noticeable decrease in both the amount of rainfall and the number of rainy days. By the time August rolls around, conditions turn much drier, indicating a clear shift in seasonal patterns as the region moves toward its dry season.
In January, Itacoatiara, Brazil experiences a high humidity level of 86%, setting the stage for a sultry start to the year. This prevalent humidity trend continues into the early months, with February and March maintaining levels around 79% and 81%, respectively. However, as the year progresses towards April and May, conditions become increasingly muggy, peaking at 90% humidity in May. The summer heat gives way to a gradual decline in humidity during the following months, with levels dropping significantly to 59% in August, and plummeting to a low of 32% in October. This marked contrast highlights Itacoatiara's transition from the wet season to drier conditions as the year draws to a close, with humidity picking up again to 85% in December. This cyclical pattern illustrates how humidity in Itacoatiara fluctuates dramatically throughout the year, shaping both the climate and the experience of its inhabitants.
In January, Itacoatiara, Brazil, experiences an extremely high UV Index of 15, indicating a significant risk of harm from unprotected sun exposure, with a burn time of just 10 minutes. This trend of extreme UV exposure continues into the following months, peaking at 16 in both February and March. As the year progresses, the UV Index gradually decreases, but even in the late months like November and December, it remains notably high, with values around 14 and 13 respectively. The consistent danger calls for diligent sun protection measures throughout the year, but particularly from January through April when precautions are most critical. For more detailed information on UV levels throughout the year, visit Itacoatiara UV Index.
UV Risk Categories
In January, Itacoatiara basks in the warmth of 203 hours of sunlight, a promising start to the year that hints at the region's vibrant climate. As the weeks unfold, sunshine peaks in July and August with an impressive 327 and 328 hours respectively, offering locals and visitors alike ample opportunity to explore the stunning beaches and lush landscapes. Although March enjoys a notable 244 hours, the overall trend showcases a clear escalation toward the mid-year months, where June and July deliver the sunniest days. By the year’s end, the hours gradually taper off but remain rich at 234 hours in December, ensuring that Itacoatiara maintains its charm as a sun-drenched paradise throughout the seasons.
In Itacoatiara, Brazil, the likelihood of sunny weather peaks during the mid-year months, with July and August enjoying a generous 45% and 44% chance of sunshine, respectively. Interestingly, January carries a relatively modest 17% chance of clear skies, which suggests that while the beaches may draw visitors, they should come prepared for the possibility of overcast days. As the year progresses, the chance of sun increases notably, reaching its annual low in December at just 8%. Following this trend, May emerges as a promising prelude to the sunny months, boasting a 23% chance, making it an ideal time for those seeking brighter days. Overall, visitors can anticipate a significant shift towards sunnier forecasts, especially as they enter the heart of the year.
In Itacoatiara, Brazil, January heralds the start of the year with a consistent 12 hours of daylight, a trend that remarkably continues through February, March, April, and stretches into November. This balance of light allows residents to enjoy the vibrant outdoor activities characteristic of this tropical locale. However, as May rolls in, daylight begins to wane slightly, dropping to 11 hours, a pattern that persists through the mid-year months of June, July, and August. Interestingly, by September, daylight duration begins to rebound back to 12 hours, once again providing ample time for both leisure and daily pursuits as the year reaches its close with December offering the same generous light. This cyclical rhythm not only influences the lifestyle here but also enriches the community experience throughout the changing seasons.
In January, Itacoatiara, Brazil, greets visitors with a gentle breeze, featuring an average wind speed of 1.7 m/s (4 mph). This calmness sets the tone for a month that transitions into slightly brisker winds in February and October, where speeds peak at 1.9 m/s (4 mph). The spring and summer months see a consistent pattern, with January, March, and September all maintaining a steady 1.7 m/s (4 mph), while the winter months present a slight dip, averaging around 1.5 m/s (3 mph). Overall, the winds in Itacoatiara remain relatively mild throughout the year, making it a serene destination for those seeking to enjoy the tranquil coastal vistas.
Weather in Itacoatiara varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Itacoatiara, focusing on differences in temperature, rainfall, humidity, and UV levels.
In January, the weather features a minimum temperature of 22°C (73°F) and an average temperature of 27°C (80°F), peaking at a maximum of 33°C (92°F). This month experiences significant rainfall, totaling 267 mm (10.5 in) over 23 days, alongside a high humidity level of 86%. In contrast, February exhibits slightly warmer minimum temperatures at 23°C (73°F) and a similar average temperature of 27°C (80°F), while the maximum dips slightly to 32°C (91°F). However, precipitation increases to 297 mm (11.7 in) over 24 days, with humidity decreasing to 79%. Overall, both months are characterized by warmth and considerable rainfall, but February sees a bit more precipitation and slightly lower humidity. For more details, check Itacoatiara weather in February.
In January, the weather in Itacoatiara is characterized by warm temperatures, with a minimum of 22°C (73°F) and an average of 27°C (80°F), peaking at a maximum of 33°C (92°F). The month experiences considerable rainfall, with a total of 267 mm (10.5 in) over 23 days and high humidity levels at 86%. In contrast, March features slightly warmer temperatures, with a minimum of 23°C (74°F) and an average of 27°C (81°F), reaching up to 33°C (93°F) at its highest. However, it sees increased precipitation of 315 mm (12.4 in) spread over 26 days, and the humidity is somewhat lower at 81%. For more details on March weather, you can visit Itacoatiara weather in March.
In January, the weather typically features a minimum temperature of 22°C (73°F) and an average of 27°C (80°F), with maximums reaching 33°C (92°F). The month is marked by significant rainfall, receiving about 267 mm (10.5 in) over 23 days, alongside a high humidity level of 86%. In contrast, April sees slightly warmer temperatures, with a minimum of 23°C (74°F) and an average of 27°C (81°F), but it can get even hotter, peaking at 34°C (93°F). The month experiences increased precipitation, totaling 387 mm (15.2 in) across 28 days, and a slightly higher humidity at 88%. For more detailed information, you can visit Itacoatiara weather in April.
In comparing the weather conditions of January and May, both months exhibit similar temperature ranges, with January presenting minimum temperatures of 22°C (73°F) and maximums reaching 33°C (92°F), while May starts slightly warmer with a minimum of 23°C (74°F). However, May sees increased precipitation, totaling 285 mm (11.2 in) over 28 days, compared to January's 267 mm (10.5 in) across 23 days. Additionally, May experiences a higher humidity level at 90%, compared to January's 86%. For a more detailed outlook on what to expect during this time, you can check out Itacoatiara weather in May.
In January, the weather in Itacoatiara tends to be quite humid and rainy, with average temperatures ranging from a minimum of 22°C (73°F) to a maximum of 33°C (92°F). The region experiences significant precipitation, totaling 267 mm (10.5 in) over 23 rainy days, leading to humidity levels peaking at 86%. In contrast, June brings slightly warmer conditions, with temperatures still ranging from 23°C (73°F) to 33°C (92°F), but the overall average rises to 28°C (82°F). Precipitation in June decreases to 143 mm (5.6 in) over the same number of rainy days, contributing to a marginally lower humidity level of 84%. For more details on June weather, you can visit Itacoatiara weather in June.
In comparing the weather of January and July, we see some notable differences. January experiences slightly higher temperatures, with averages reaching 27°C (80°F) and maximums soaring up to 33°C (92°F), while July is similar but slightly cooler, with average temperatures around 28°C (83°F) and maximums at 34°C (93°F). Precipitation varies significantly between the two months; January is much wetter, receiving 267 mm (10.5 in) over 23 days, whereas July has a more manageable 78 mm (3.1 in) of rain over just 16 days. Additionally, humidity levels are higher in January at 86%, compared to July's 77%. For a more detailed insight into the July weather patterns, check out Itacoatiara weather in July.
When comparing the weather between January and August, notable differences emerge. January typically features slightly cooler temperatures, with an average of 27°C (80°F) and maximums reaching up to 33°C (92°F), whereas August sees warmer conditions, averaging 29°C (84°F) and peaking at 35°C (96°F). Precipitation is significantly higher in January, with 267 mm (10.5 in) of rain falling over 23 days, contributing to a high humidity level of 86%. In contrast, August experiences much less rainfall, totaling only 59 mm (2.3 in) over 10 days, resulting in a more comfortable humidity level of 59%. For a closer look at the specific climate conditions in August, you can visit Itacoatiara weather in August.
In January, the weather is characterized by higher humidity and significant rainfall, with average temperatures ranging from 22°C (73°F) to a maximum of 33°C (92°F) and a total precipitation of 267 mm (10.5 in) over 23 days. In contrast, September experiences warmer temperatures, with a minimum of 23°C (74°F) and a maximum of 35°C (96°F), but significantly less rainfall, totaling only 91 mm (3.6 in) across 12 days. This reduction in precipitation leads to a much drier atmosphere, as September's humidity drops to 43%. For more details on the September climate, you can check Itacoatiara weather in September.
The weather in January is typically more humid and rainy compared to October. January experiences a minimum temperature of 22°C (73°F), with an average of 27°C (80°F) and a maximum reaching up to 33°C (92°F). There is significant precipitation of 267 mm (10.5 in) over 23 days, contributing to an overall humidity level of 86%. In contrast, October features slightly higher temperatures, with a minimum of 22°C (73°F), an average of 29°C (84°F), and a peak of 35°C (96°F). However, it sees much less rainfall, totaling 126 mm (5.0 in) over 15 days, resulting in a much drier atmosphere with a humidity level of just 32%. For more specific details, check out Itacoatiara weather in October.
January and November in Itacoatiara exhibit notable differences in weather patterns. January features temperatures ranging from a minimum of 22°C (73°F) to a maximum of 33°C (92°F) with an average of 27°C (80°F), along with high humidity at 86% and substantial rainfall of 267 mm (10.5 in) over 23 days. In contrast, November boasts slightly warmer temperatures, with a minimum of 23°C (74°F) and a maximum of 35°C (95°F), averaging 28°C (83°F). However, November enjoys lower humidity at 39% and less rainfall, totaling 245 mm (9.6 in) across 22 days. For a more detailed overview, you can check Itacoatiara weather in November.
In January, temperatures range from a minimum of 22°C (73°F) to a maximum of 33°C (92°F), with an average of 27°C (80°F). The month experiences significant rainfall, totaling 267 mm (10.5 in) over 23 days, and humidity is high at 86%. In contrast, December sees slightly warmer conditions with a minimum temperature of 23°C (73°F) and a maximum of 34°C (94°F), while maintaining a similar average of 27°C (81°F). Rainfall is even more substantial in December, amounting to 335 mm (13.2 in) across 27 days, accompanied by a slightly lower humidity level of 85%. For more specific details on December weather, you can check Itacoatiara weather in December.
In January, Itacoatiara experiences a blend of warm temperatures and high humidity, with maximums reaching up to 33°C and an average hovering around 27°C. This month stands out with its significant rainfall, totaling 267 mm, and frequent precipitation over 23 days, marking it as one of the wetter times of the year. The humid conditions combined with frequent showers create a lush environment, setting January apart from drier months. For a deeper dive into the climate nuances and what to expect throughout the year, check out Itacoatiara Climate.