Last updated: August 21, 2025
Experience the tropical allure of Santarém, Brazil in January, where temperatures typically rise to a maximum of 31°C (88°F), maintaining an inviting average of 26°C (80°F). While the warmth is enticing, visitors should be prepared for frequent rain, as the city experiences approximately 351 mm (13.8 in) of precipitation over 24 days of the month. With humidity levels around 79%, the air feels rich and vibrant, perfect for those who thrive in a lush, moist atmosphere. Whether you're exploring the Amazon River shores or immersing yourself in local culture, January offers a unique blend of warmth and vitality in this beautiful Brazilian destination.
In January, Santarem experiences warm tropical temperatures that set the tone for the year ahead. With minimums around 23°C (74°F) and an average of about 26°C (80°F), this month offers a comforting warmth, peaking at a maximum of 31°C (88°F). Notably, this pattern continues into February, as the temperatures remain consistent, highlighting a predictable weather trend in this vibrant Brazilian locale. As the months progress, a gradual increase can be observed, with March flirting with a high of 32°C (90°F) and July hitting a maximum of 33°C (91°F). By the time August rolls in, peak temperatures reach 34°C (94°F), leading into a hot dry season. Throughout the year, Santarem's temperatures consistently hover within this warm bracket, ensuring that residents and visitors alike can enjoy the region's lush landscapes under the comforting embrace of the sun.
In January, Santarém experiences a significant amount of rainfall, with 351 mm (approximately 13.8 inches) spread over 24 days, marking the month as one of the wetter times of the year. This pattern sets the stage for an even more intense rainy season as February ushers in a peak with 425 mm (16.7 in) across 26 days. Following this, the precipitation slightly decreases yet remains substantial through March and April, showcasing a consistent wet period that fades into a drier mid-year, with June and July seeing markedly reduced rainfall. This trend illustrates Santarém's tropical climate, where the balance of lush, saturated conditions shifts dramatically, providing stark contrast to the dry spells in late winter and early spring. Overall, January stands out as a critical component in the region's yearly climatic rhythm, laying the groundwork for the lush vegetation and biodiversity that define this vibrant locale.
In January, Santarem, Brazil, experiences a notable humidity level of 79%, setting the tone for a month that is typically characterized by high moisture content in the air. This trend of elevated humidity continues into April and May, where levels peak at 86% and 90%, respectively, creating a tropical atmosphere that can feel heavy and oppressive. However, as the year progresses into July and August, humidity takes a dramatic dip, plummeting to 61% and even 46%—the driest it gets all year. This significant drop gives way to a far more comfortable climate, while September through November sees a slight rise again, hovering between 40% and 39%. By December, humidity climbs back up to 69%, reminding residents and visitors alike that the tropical essence of Santarem is never too far away. The cyclical pattern of humidity not only highlights the tropical climate but also offers a glimpse into the rich, diverse weather dynamics of this vibrant Brazilian city.
In January, Santarém experiences an extreme UV Index of 15, with a rapid burn time of just 10 minutes, making sun protection crucial during this time. This intense UV exposure trend continues into February, maintaining the same index. By March and April, the UV Index peaks at 16, underscoring the necessity for vigilant sun safety measures. As the months progress, the index slightly declines to 13 in May, before tapering further to 12 in June and August, and 11 in July. Despite this gradual decrease, the UV Index remains notably high, reinforcing the importance of protecting your skin throughout the year. For more insights on UV levels and safety tips in Santarém, check out Santarem UV Index.
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In January, Santarém basks in 235 hours of sunshine, marking the beginning of a radiant year. As the months progress, the sun seems to shine even brighter, with February seeing a slight increase to 240 hours. This upward trend continues through March, which boasts 269 hours, steadily enhancing the allure of the region. By the time June rolls around, the sunshine peaks with an impressive 314 hours, setting the stage for the summer months. July and August further embrace this trend, featuring 337 and 341 hours respectively, creating the perfect backdrop for outdoor adventures. As autumn approaches, the hours gradually decrease but remain substantial—336 hours in September and 333 hours in October. The year culminates in November with 291 hours and December with 284 hours, proving Santarém's charm not only lies in its vibrant culture but also in its abundant sunshine throughout the year.
January in Santarém, Brazil, brings a modest 19% chance of sunny weather, mirroring February’s likelihood and setting the tone for the early part of the year. As the months progress, the probability of sunshine gradually increases, peaking in August with a striking 50% chance. The middle of the year showcases an upward trend, notably from June to July, where sunny days become more frequent, reaching 44%. Conversely, the end of the year sees a decline in sunshine opportunities, with December dropping to just 10%. Overall, while January may not bask in abundant sunlight, the trends indicate a gradual transition to brighter days as the year unfolds.
In Santarem, Brazil, the month of January enjoys a balanced 12 hours of daylight, a trend that continues through February, March, and April, creating a harmonious start to the year. As the seasons shift, May through July sees a slight decrease to 11 hours of daylight, signaling the onset of winter. However, as August rolls around, the daylight hours bounce back to 12, providing a sense of continuity as the region transitions into spring. This delightful rhythm persists into the final months of the year, with consistent 12-hour daylight durations from September through December, ensuring that Santarem remains bathed in sunlight for most of the year.
In January, the winds in Santarem, Brazil blow gently, with an average speed of 2.4 m/s (5 mph). This calmness sets the tone for the month, reflecting a trend of relatively stable wind conditions that persist throughout the early year. As we transition to February and March, there's a slight increase, with winds reaching 2.7 m/s (6 mph) and returning to 2.4 m/s (5 mph) respectively. The wind speed rarely fluctuates dramatically, hovering around the 5 mph mark for several months, especially in the spring months of April and May. Interestingly, August and September see a gentle rise in velocity, peaking at 2.8 m/s (6 mph) in September before tapering off again in the later months of the year. Overall, January in Santarem showcases a tranquil breeze that is typical of the region's temperate wind patterns.
Weather in Santarem varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Santarem, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather of January and February, it's evident that both months experience similar temperature ranges, with minimums at 23°C (74°F), averages at 26°C (80°F), and maximums reaching 31°C (88°F). However, February sees a notable increase in precipitation, totaling 425 mm (16.7 in) over 26 days, compared to January's 351 mm (13.8 in) over 24 days. Additionally, February boasts a lower humidity level at 65%, while January maintains a higher humidity at 79%. For more detailed information, you can explore Santarem weather in February.
In January, the weather features min temperatures around 23°C (74°F), averaging 26°C (80°F), with a maximum of 31°C (88°F). This month experiences significant rainfall, totaling 351 mm (13.8 in) over 24 days, contributing to a high humidity level of 79%. In contrast, March sees a slight increase in maximum temperatures, reaching up to 32°C (90°F), while maintaining the same minimum and average temperatures as January. However, March is characterized by even more precipitation, with 399 mm (15.7 in) falling over 28 days, yet the humidity decreases to 68%. For more detailed insights, visit Santarem weather in March.
In January, the weather features a minimum temperature of 23°C (74°F) and an average temperature of 26°C (80°F), with a maximum reaching 31°C (88°F). The month experiences substantial rainfall, totaling 351 mm (13.8 in) across 24 days, and the humidity averages around 79%. In contrast, April sees a slight increase in minimum temperature, now at 24°C (75°F), while maintaining the same average and maximum temperatures. However, precipitation rises significantly to 429 mm (16.9 in) over 29 days, and humidity climbs to 86%. For a more detailed look at the weather conditions in April, you can visit Santarem weather in April.
In January, the weather features a warm climate with temperatures ranging from a minimum of 23°C (74°F) to a maximum of 31°C (88°F), complemented by an average temperature of 26°C (80°F). However, it experiences significant rainfall, with 351 mm (13.8 in) of precipitation over 24 days and a humidity level of 79%. In contrast, May shows a slight increase in the minimum temperature at 24°C (75°F) while maintaining the same maximum temperature of 31°C (88°F) and a similar average temperature of 27°C (80°F). The month is characterized by even higher humidity at 90% and increased rainfall, totaling 359 mm (14.1 in) over 30 days. For more details on the weather specific to May, you can visit Santarem weather in May.
In January, the weather features a range of temperatures with a minimum of 23°C (74°F), an average of 26°C (80°F), and a maximum of 31°C (88°F). This month is characterized by high precipitation, receiving 351 mm (13.8 in) over 24 days, and a humidity level of 79%. In contrast, June sees a slight increase in average temperature, reaching a minimum of 23°C (74°F), an average of 27°C (81°F), and a maximum of 32°C (90°F). However, the rainfall significantly decreases to 169 mm (6.7 in) across 25 days, with a marginally higher humidity of 82%. For a more detailed overview of the June climate, check out Santarem weather in June.
In January, the weather in Santarém is characterized by warm temperatures, with a minimum of 23°C (74°F) and an average of 26°C (80°F), peaking at 31°C (88°F). The month experiences significant rainfall, totaling 351 mm (13.8 in) over 24 days, accompanied by a high humidity level of 79%. In contrast, July sees slightly warmer average temperatures, rising to a minimum of 23°C (74°F) and an average of 27°C (81°F), with maximums reaching 33°C (91°F). The precipitation drops to 137 mm (5.4 in) across 17 days, and the humidity decreases to 61%. This comparison highlights the wetter and more humid conditions of January compared to the drier and slightly warmer July. For more details, you can check Santarem weather in July.
The weather in January and August presents a notable contrast in terms of temperature and precipitation. January sees temperatures ranging from a minimum of 23°C (74°F) to a maximum of 31°C (88°F), accompanied by high humidity at 79% and considerable rainfall totaling 351 mm (13.8 in) over 24 days. In contrast, August offers warmer average temperatures, ranging from 24°C (75°F) to a high of 34°C (94°F), yet it experiences significantly lower humidity at 46% and reduced rainfall of just 79 mm (3.1 in) over only 9 days. For more detailed information on August weather, you can visit Santarem weather in August.
In January, the weather is quite humid and wet, with temperatures ranging from a minimum of 23°C (74°F) to a maximum of 31°C (88°F) and an average temperature of 26°C (80°F). The month sees significant rainfall, totaling 351 mm (13.8 in) over about 24 days, resulting in a humidity level of 79%. In contrast, September offers a warmer and drier climate, with temperatures ranging from a minimum of 24°C (75°F) to a maximum of 34°C (93°F), averaging 29°C (84°F). Precipitation drops dramatically to 69 mm (2.7 in) over just 10 days, and humidity is significantly lower at 40%. For more information, you can check out Santarem weather in September.
In January, the weather is characterized by warmer temperatures, with averages around 26°C (80°F) and a maximum reaching up to 31°C (88°F). However, this month is also marked by high rainfall, totaling 351 mm (13.8 in) over 24 days, and a humidity level of 79%, creating a tropical atmosphere. In contrast, October sees slightly cooler temperatures with a minimum of 24°C (75°F) and averages peaking at 29°C (84°F). Precipitation in this month drops significantly to 87 mm (3.4 in) over just 12 days, accompanied by much lower humidity at 38%, which contributes to a drier feel. For more details, check out Santarem weather in October.
In January, the weather is characterized by slightly cooler temperatures, with a minimum of 23°C (74°F) and an average of 26°C (80°F), compared to November's warmer minimum of 24°C (76°F) and an average temperature of 28°C (83°F). January also sees significantly higher precipitation at 351 mm (13.8 in) over 24 days, while November experiences considerably less rain, with 190 mm (7.5 in) over 20 days. Additionally, January's humidity is much higher at 79%, creating a muggy atmosphere, whereas November features a more comfortable humidity level of 39%. For more details on the weather during this time, check out Santarem weather in November.
In comparing the weather between January and December, we see similarities and notable differences. Both months have a minimum temperature of 23°C (74°F), but January's average temperature is slightly lower at 26°C (80°F) compared to December's 27°C (81°F). Additionally, December experiences higher maximum temperatures, reaching up to 34°C (93°F), while January peaks at 31°C (88°F).
Precipitation levels are quite similar, with January receiving 351 mm (13.8 in) over 24 days and December having 359 mm (14.1 in) over 27 days. Interestingly, January is more humid at 79%, while December sees a lower humidity level of 69%. This means that even though both months are warm and wet, January feels slightly more humid, possibly making it seem even hotter. For more details about conditions during this month, you can check Santarem weather in December.
In January, Santarem experiences a distinctively humid and wet climate, setting it apart from other months of the year. The temperature is comfortably warm, but with high humidity levels and nearly every other day bringing rain, the atmosphere is often more muggy than in the drier months. This combination of warmth and significant precipitation contributes to lush landscapes but also means that visitors should be prepared for frequent showers. If you're curious about Santarem's yearly weather patterns and how January fits in, explore more in our detailed guide on Santarem Climate.