Last updated: August 21, 2025
In Santarém, Brazil, October brings a blend of warm temperatures and occasional rainfall, creating a unique tropical atmosphere. The month sees maximum highs reaching 35°C (95°F), with an average temperature hovering around 29°C (84°F) and a comfortable minimum of 24°C (75°F). Despite the heat, residents and visitors can expect about 87 mm (3.4 in) of precipitation, spread over 12 days, contributing to the region's lush landscapes. With humidity levels at 38%, the weather is warm but manageable, perfect for enjoying the vibrant culture and natural beauty of this Amazonian gem.
In October, Santarem experiences a notable increase in temperatures, with minimums hovering around 24°C (75°F), an average of 29°C (84°F), and maximums reaching up to 35°C (95°F). This month marks a transition into the warmer season as temperatures rise from the cooler early months of the year. The trend of increasing warmth is evident, with October showcasing one of the highest maximum temperatures recorded in the year. Coupled with the consistently warm evenings, it's a perfect time for outdoor adventures, allowing visitors to fully bask in the vibrant atmosphere of the Amazon. As the humidity rises alongside the heat, the natural beauty of Santarem comes alive, inviting exploration and enjoyment of its stunning landscapes.
In October, Santarem experiences a notable shift in precipitation patterns, with total rainfall reaching 87 mm (3.4 in) over 12 days. This marks a slight increase compared to the previous months, particularly September's meager 69 mm (2.7 in). As the region transitions into the wetter period of the year, this uptick in rainfall hints at the onset of the rainy season, following a notably dry August and September. With rainfall gradually climbing from a low of 79 mm in August to 190 mm in November, October serves as a crucial bridge, setting the stage for the intense rainfall typical in the latter part of the year. Such patterns reflect the climate's rhythmic pulse, painting a vivid picture of Santarem’s lush transformations as the rainy season approaches.
In October, Santarem experiences a notable drop in humidity, reaching 38%, the lowest level for the year. This decreasing trend from the preceding months of September and August, where humidity levels were at 40% and 46%, respectively, signals the onset of drier conditions. Following the high humidity peaks seen in the earlier months, such as May and April, where levels soared to 90% and 86%, October offers a refreshing change, making it an ideal time for outdoor activities. As the year progresses, the return to slightly higher humidity in November at 39% indicates a gradual shift back to the wetter months, yet October stands out as a season of relative dryness in the tropical climate of Santarem.
In October, Santarem, Brazil, maintains its trend of extreme UV Index levels, recording a UV Index of 13, which correlates with a quick burn time of just 10 minutes for unprotected skin. This month mirrors the UV intensity seen in May, November, and December, signifying that the region continues to experience high sun exposure as it transitions to the end of the year. Although the UV Index slightly dipped from the peak values of earlier months, caution remains essential for outdoor activities. Ensure to stay protected and informed about the UV levels while enjoying the vibrant surroundings. For more in-depth information, visit Santarem UV Index.
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October shines brightly in Santarem, Brazil, with an impressive 333 hours of sunshine. This month is part of a remarkable trend that sees sunshine peak during the dryer months, particularly from June to August, when the city experiences its sunniest days. Following the intense sunshine of the winter months, October maintains a generous amount of daylight, offering more than 30 hours less than the height of mid-year but still standing strong. As the year transitions toward its close, sunlight gradually declines into November and December, yet October remains a golden opportunity for sun-seekers to bask in the vibrant warmth of the Amazonian sun.
In October, Santarem experiences a notable 35% chance of sunny weather, reflecting a transition from the relatively sunnier months of June and July, which boast 42% and 44% respectively. While this percentage is lower than the peak summer months, it still indicates a significant opportunity for sunshine compared to the more overcast months like November and December. Notably, August and September offer better odds at 50% and 48%, suggesting a gradual decline as October progresses into the final quarter of the year. Thus, while October may not be the sunniest month in Santarem, it certainly presents a favorable chance for enjoying some bright days amidst the changing seasons.
In Santarem, Brazil, daylight duration displays a remarkable consistency throughout the year, with the city enjoying about 12 hours of daylight for most months. This steady glow persists from January through April, and again in August, September, November, and December, fostering a vibrant atmosphere. During the transitional months of May, June, and July, daylight dips slightly to 11 hours, breaking the pattern but offering a brief retreat into longer evenings. However, as October rolls in, Santarem basks once more in 12 hours of daylight, reaffirming its balanced rhythm of light and shadow, which sustains both local life and the lush Amazonian surroundings.
As October arrives in Santarem, Brazil, the wind begins to whisper softly through the trees at an average speed of 2.6 m/s (6 mph). This marks a subtle increase from the calmer months of April and May, where gentle breezes lingered at just 2.3 m/s (5 mph). The trend of rising winds continues from the previous month, September, which saw an average of 2.8 m/s (6 mph). In fact, October maintains this refreshing pace, presenting a delightful balance in the air as the city shifts into the heart of its spring season. While the winds here are generally mild throughout the year, October’s breezes invite both locals and visitors to enjoy the vibrant surroundings, making it an ideal time to embrace the outdoor charm of Santarem.
Weather in Santarem varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Santarem, focusing on differences in temperature, rainfall, humidity, and UV levels.
In October, the weather features warm temperatures ranging from a minimum of 24°C (75°F) to a maximum of 35°C (95°F), with an average of 29°C (84°F). This month experiences moderate rainfall, with about 87 mm (3.4 in) over approximately 12 days and a humidity level of 38%. In contrast, January is significantly wetter, with a total precipitation of 351 mm (13.8 in) spread over 24 days, and the humidity rises to 79%. Temperatures in January are slightly cooler, ranging from a minimum of 23°C (74°F) to a maximum of 31°C (88°F), with an average of 26°C (80°F). For more information, check out Santarem weather in January.
In October, the weather typically features warm temperatures, with a minimum of 24°C (75°F) and an average high reaching 35°C (95°F). Precipitation is relatively moderate at 87 mm (3.4 in) over about 12 days, coupled with a lower humidity level of 38%. In contrast, February sees slightly cooler temperatures, with an average high of 31°C (88°F) and a minimum of 23°C (74°F). However, the month experiences significantly higher rainfall, totaling 425 mm (16.7 in) across 26 days, contributing to a much higher humidity level of 65%. For more detailed information about the conditions, check out Santarem weather in February.
When comparing the weather patterns of October and March, there are some notable differences. October experiences warmer temperatures, with a minimum of 24°C (75°F) and an average high of 35°C (95°F), while March is slightly cooler, averaging between 23°C (74°F) at its lowest to a maximum of 32°C (90°F). Precipitation is significantly higher in March, with an average of 399 mm (15.7 in) over 28 days, compared to October's 87 mm (3.4 in) across 12 days. Additionally, March has a much higher humidity level at 68%, while October maintains a drier atmosphere at 38%. For more detailed information, you can check out Santarem weather in March.
October and April showcase distinct weather patterns. In October, temperatures are typically warmer, ranging from a minimum of 24°C (75°F) to a maximum of 35°C (95°F), with an average of 29°C (84°F). The month sees relatively low precipitation at 87 mm (3.4 in) over 12 days, accompanied by a comfortable humidity level of 38%. In contrast, April experiences cooler temperatures, with a minimum of 24°C (75°F), an average of 26°C (80°F), and a maximum of 31°C (89°F). However, it is significantly wetter, with an impressive 429 mm (16.9 in) of rainfall over 29 days and a much higher humidity of 86%. For more details on April weather, visit Santarem weather in April.
October and May present notably different weather patterns. In October, temperatures range from a minimum of 24°C (75°F) to a maximum of 35°C (95°F), with an average of 29°C (84°F). The month experiences relatively low humidity at 38% and sees about 87 mm (3.4 in) of precipitation over approximately 12 days. In contrast, May is much wetter and more humid, with temperatures that range from 24°C (75°F) to a maximum of 31°C (88°F) and a lower average of 27°C (80°F). During this month, precipitation skyrockets to 359 mm (14.1 in) over 30 days, accompanied by a high humidity level of 90%. For more details on the specifics of the weather in May, you can refer to Santarem weather in May.
In comparing October and June weather, October tends to be warmer and slightly drier than June. October boasts temperatures ranging from a minimum of 24°C (75°F) to a maximum of 35°C (95°F), with an average of 29°C (84°F) and only 87 mm (3.4 in) of precipitation spread over 12 days. In contrast, June sees cooler temperatures, with a minimum of 23°C (74°F) and a maximum of 32°C (90°F), averaging 27°C (81°F). Additionally, June experiences significantly more rainfall, totaling 169 mm (6.7 in) over 25 days, along with higher humidity at 82%. For more details on June weather in Santarem, you can check out Santarem weather in June.
In comparing the weather between October and July, October generally boasts warmer temperatures, with a minimum of 24°C (75°F) and an average of 29°C (84°F), compared to July's minimum of 23°C (74°F) and average of 27°C (81°F). While both months experience warm conditions, October's maximum temperature can reach 35°C (95°F), slightly exceeding July's maximum of 33°C (91°F). However, October is drier with 87 mm (3.4 in) of precipitation over 12 days, whereas July sees more rain at 137 mm (5.4 in) over 17 days. Additionally, October has lower humidity at 38%, contrasting with July's higher humidity level of 61%. For a closer look at July's weather specifics, check out Santarem weather in July.
In comparing the weather between October and August, both months feature a minimum temperature of 24°C (75°F), but October tends to be slightly warmer overall, with an average temperature of 29°C (84°F) compared to August's 28°C (83°F). The maximum temperature also rises a degree higher in October at 35°C (95°F) versus August's 34°C (94°F). Precipitation is higher in October, with 87 mm (3.4 in) over 12 days, while August sees 79 mm (3.1 in) over 9 days. Notably, October's humidity is lower at 38%, while August is more humid at 46%. For more detailed weather information on August, you can visit Santarem weather in August.
In October, the weather remains quite warm with minimum temperatures averaging 24°C (75°F) and maximums reaching up to 35°C (95°F), slightly higher than September, which has a maximum of 34°C (93°F). Both months have the same average temperature of 29°C (84°F). However, October experiences increased precipitation, totaling 87 mm (3.4 in) over 12 days, compared to September's 69 mm (2.7 in) over 10 days. Humidity levels in October drop slightly to 38% from September's 40%, suggesting a marginally drier feel despite the higher rainfall. For more detailed insights on September's conditions, you can visit Santarem weather in September.
In comparing the weather of October and November, we observe a slight drop in average temperature, with October boasting an average of 29°C (84°F) compared to November's 28°C (83°F). Both months experience similar minimum temperatures at 24°C (75°F), but November sees a slight decrease in maximum temperature, dropping to 34°C (93°F) from October’s peak of 35°C (95°F). However, November is significantly wetter, recording 190 mm (7.5 in) of precipitation over 20 days, compared to October's 87 mm (3.4 in) over just 12 days. The humidity percentage remains fairly stable, with October at 38% and November slightly higher at 39%. For more details on the weather during this month, you can refer to Santarem weather in November.
October and December in Santarem present notable contrasts in weather patterns. In October, temperatures range from a minimum of 24°C (75°F) to an average of 29°C (84°F), peaking at 35°C (95°F), while the month experiences about 87 mm (3.4 in) of precipitation over 12 days and maintains a humidity level of 38%. In contrast, December sees a slight decline in average temperature, with a minimum of 23°C (74°F) and a maximum of 34°C (93°F). However, this month is significantly wetter, with precipitation reaching 359 mm (14.1 in) over 27 days, coupled with a much higher humidity of 69%. These differences highlight December as a much more humid and rainier time compared to the warm and relatively drier October. For more details, check out Santarem weather in December.
October in Santarem marks a distinct transition, characterized by warmer temperatures and a noticeable increase in humidity compared to the preceding months. With maximum highs reaching up to 35°C, the month exudes a tropical warmth that is both inviting and invigorating. However, this warmth comes with a splash of rain, as October witnesses increased precipitation days and totals, setting it apart from the drier months earlier in the year. Despite the added moisture, the average temperature remains comfortably around 29°C, making it an ideal time for those seeking to experience the vibrant nature of this Brazilian gem. For a deeper understanding of Santarem's weather patterns, including October's unique characteristics, be sure to visit Santarem Climate.