Last updated: August 21, 2025
In October, Guaratuba, Brazil experiences a warm climate with maximum temperatures reaching 31°C (89°F) and an average of 21°C (70°F). The weather can be quite humid, with moisture levels around 82%. As the month progresses, residents and visitors can expect to see some rain, totaling 166 mm (6.6 in) across approximately 19 days. This blend of warmth and rainfall contributes to the lush surroundings of this coastal paradise, making it an appealing destination for those who appreciate tropical weather.
In October, Guaratuba, Brazil experiences a delightful transition as temperatures begin to elevate subtly, with minimums averaging around 16°C (60°F) and reaching a pleasant maximum of 31°C (89°F). This month marks a shift from the cooler trends of the winter months, with average daytime temperatures settling at 21°C (70°F). As the region moves closer to the summer, the warmth gradually creeps in, creating an inviting atmosphere for outdoor activities and beach outings. Overall, October serves as a wonderful bridge, blending the lingering coolness of spring with the heat that characterizes the upcoming summer months.
In October, Guaratuba experiences a noticeable rise in precipitation, accumulating about 166 mm (6.6 in) over 19 days. This marks a shift from the drier months of July and August, when rainfall was significantly lower at 32 mm (1.2 in) and 72 mm (2.8 in), respectively. As the city transitions into the wetter season, October serves as a precursor to even higher totals in the following months, with November reaching 153 mm (6.0 in) and December hitting 193 mm (7.6 in). The increase in rainfall during October highlights the region's characteristic tropical climate, where the balance between wet and dry periods is crucial for both the local ecosystem and agricultural practices.
In Guaratuba, Brazil, October sees an average humidity of 82%, maintaining a trend of slightly lower levels compared to the peak high of 88% in December. As the year progresses, the humidity generally fluctuates between 79% and 86%, with the peak months being January, May, and November. Interestingly, the drop to 80% in July marks the lowest point of the year, suggesting a brief respite from the tropical humidity typical of this coastal region. As October settles in, the humidity begins to rise again, creating a lush and inviting atmosphere ahead of the rainy season. Overall, while there are slight variations, the humidity in Guaratuba remains consistently high, contributing to its vibrant, verdant landscape throughout the year.
In October, Guaratuba, Brazil, experiences a significant UV Index of 13, placing it in the extreme exposure category with a burn time of just 10 minutes. This month continues the trend of heightened UV levels characteristic of the region as it transitions from the intense summer months into the early warmth of spring. Notably, the UV Index remains quite high, similar to the preceding months of February (14) and March (12), showcasing a consistent risk for sunburn without adequate protection. As November approaches with an unchanged UV Index of 14, it’s crucial for residents and visitors to stay vigilant and protect their skin, especially during peak sun hours. For more detailed information on daily UV levels, check out Guaratuba UV Index.
UV Risk Categories
October in Guaratuba, Brazil, welcomes visitors with a delightful average of 242 hours of sunshine, making it a perfect time for outdoor adventures and beach escapes. As the year progresses, there's a noticeable trend of increasing sunlight hours during the first half of the year, peaking dramatically in November and December with 300 and 317 hours respectively. Following a dip in June, sunlight steadily rises again, creating a warm and inviting atmosphere as the year winds down. This means that October serves as a lovely transition month, bridging the moderate sunshine of early fall into the vibrant, sun-drenched days of late spring.
In October, the likelihood of enjoying sunny weather in Guaratuba, Brazil drops to 13%, making it one of the least sunny months of the year. This trend is part of a seasonal pattern where sunny days peak notably in the heart of winter, particularly in July with a robust 57% chance. As the year progresses, there is a gradual swing in sunny conditions, peaking in May before tapering off into fall. In contrast, the coldest months, like June and August, also bear surprisingly high sunshine probabilities, while October's significant dip in sun exposure indicates a shift toward the increasingly overcast conditions typical of spring. This makes planning outdoor activities in October somewhat of a gamble for visitors looking to bask in the sun.
In Guaratuba, Brazil, the daylight duration displays a fascinating ebb and flow throughout the year. Starting with a generous 13 hours in January, the days gradually abbreviate as the year unfolds, reaching their shortest length of 10 hours during the winter months of May to July. However, as spring approaches in August, daylight begins to stretch again, gradually building back up to 12 hours by October. This rhythmic pattern reflects the enchanting cycle of seasons in Guaratuba, where autumn brings a balance of light before transitioning back to the longer days of summer, which return in November and December.
As October arrives in Guaratuba, Brazil, the winds begin to pick up, with an average speed of 3.3 m/s (7 mph), marking one of the breezier months of the year. This noticeable increase from the gentler winds of the preceding months reflects a subtle shift in the coastal atmosphere as summer approaches. In contrast to February and July, which both feature average wind speeds of 2.3 m/s (5 mph), October stands out as part of a seasonal trend where wind speeds gradually ascend, particularly peaking in the fall and early summer months. With November and December maintaining similar strengths at 3.1 m/s (7 mph), the delightful October breeze becomes a herald of the windier, warmer days ahead—perfect for kite surfing and enjoying the beach!
Weather in Guaratuba varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Guaratuba, focusing on differences in temperature, rainfall, humidity, and UV levels.
In October, Guaratuba experiences a range of temperatures with a minimum of 16°C (60°F) and a maximum of 31°C (89°F), averaging around 21°C (70°F). The month is characterized by significant rainfall, totaling 166 mm (6.6 in) over 19 days, combined with a humidity level of 82%.
In contrast, January brings warmer temperatures, with a minimum of 19°C (67°F) and a maximum reaching 36°C (97°F), resulting in a higher average of 26°C (79°F). The precipitation in January escalates to 237 mm (9.3 in) over 21 days, and humidity also increases slightly to 86%. For more details on the weather in January, check out Guaratuba weather in January.
October and February present notable differences in weather, with both months experiencing warm temperatures and significant rainfall. In October, temperatures range from a minimum of 16°C (60°F) to a maximum of 31°C (89°F), averaging around 21°C (70°F). This month sees approximately 166 mm (6.6 in) of precipitation over 19 days, with humidity at 82%. In contrast, February is generally warmer, with temperatures ranging from 18°C (65°F) to 34°C (94°F) and an average of 25°C (78°F). Rainfall increases to about 213 mm (8.4 in) across 20 days, with humidity slightly rising to 83%. For more detailed insights, you can check Guaratuba weather in February.
In comparing the weather between October and March, we can observe some notable differences. October experiences slightly lower average temperatures, with a minimum of 16°C (60°F) and a maximum of 31°C (89°F), while March has a warmer minimum of 19°C (66°F) and a maximum of 32°C (90°F). Precipitation is more significant in March, totaling 203 mm (8.0 in) over 24 days, compared to October's 166 mm (6.6 in) over 19 days. Humidity levels remain relatively high in both months, with October at 82% and March slightly higher at 85%. For a detailed look at March weather specifics, visit Guaratuba weather in March.
In October, temperatures range from a minimum of 16°C (60°F) to a maximum of 31°C (89°F), with an average of 21°C (70°F). The month experiences significant rainfall, totaling 166 mm (6.6 in) over 19 days, and humidity is relatively high at 82%.
In contrast, April sees slightly cooler temperatures, with a minimum of 14°C (58°F) and a maximum of 32°C (91°F), averaging 23°C (73°F). Rainfall is less intense, amounting to 115 mm (4.5 in) across 17 days, and humidity is also high at 85%.
Overall, while both months feature warm temperatures and substantial precipitation, October tends to be wetter and slightly warmer on average compared to April. For more details, visit Guaratuba weather in April.
When comparing the weather in October and May, we notice some interesting similarities and differences. October tends to have a wider temperature range, with minimums of 16°C (60°F) and maximums reaching 31°C (89°F), compared to May's lower minimum of 11°C (52°F) and maximum of 29°C (84°F). Both months have an average temperature of around 21°C (70°F), but October experiences significantly more precipitation at 166 mm (6.6 in) over 19 days, whereas May sees less rainfall at 127 mm (5.0 in) over 15 days. Moreover, humidity levels are slightly higher in May at 86%, compared to 82% in October. For a more detailed look at the climate specifics during May, you can check Guaratuba weather in May.
When comparing the weather in October and June, October experiences warmer temperatures, with minimums around 16°C (60°F) and averages reaching 21°C (70°F). In contrast, June has cooler conditions, starting at a minimum of 9°C (48°F) and averaging 19°C (67°F). October also brings more precipitation, totaling 166 mm (6.6 in) over 19 days, compared to June's 113 mm (4.5 in) over just 12 days. Humidity levels are quite similar, with October at 82% and June at 85%, highlighting a slightly more humid feel in June. For a detailed overview of June conditions, you can check out Guaratuba weather in June.
In comparing the weather between October and July, October presents warmer temperatures with a minimum of 16°C (60°F) and an average of 21°C (70°F), peaking at 31°C (89°F). In contrast, July is notably cooler, with temperatures ranging from a minimum of 7°C (44°F) to an average of 18°C (64°F), and reaching a maximum of 29°C (84°F). Additionally, precipitation is significantly higher in October, with 166 mm (6.6 in) falling over 19 days, compared to just 32 mm (1.2 in) over 7 days in July. Humidity levels are relatively similar, at 82% in October and 80% in July. For a more detailed look at July weather, you can refer to Guaratuba weather in July.
In comparing the weather of October and August, October presents a warmer climate overall, with temperatures ranging from a minimum of 16°C (60°F) to a maximum of 31°C (89°F), compared to August's more moderate range of 8°C (46°F) to 28°C (82°F). October also experiences significantly higher precipitation, totaling 166 mm (6.6 in) over 19 days, whereas August sees only 72 mm (2.8 in) across 11 days. Humidity levels are slightly higher in October at 82%, compared to the 79% in August, contributing to a muggy atmosphere as the month progresses. For more detailed insights into the climate, you can check out Guaratuba weather in August.
In October, temperatures begin to rise, with a minimum of 16°C (60°F) and a maximum reaching 31°C (89°F), compared to September's milder range of 12°C (54°F) to 28°C (82°F). The average temperature in October slightly increases to 21°C (70°F) from September's 20°C (68°F). However, October is also marked by significantly higher precipitation, averaging 166 mm (6.6 in) over 19 days, whereas September experiences only 91 mm (3.6 in) over 14 days. Interestingly, humidity levels remain constant at 82% for both months, suggesting that while October has warmer temperatures, it also brings more rainfall. For more details, you can check Guaratuba weather in September.
October and November both feature warm temperatures, but November shows a slight increase in the average and maximum temperatures. In October, temperatures range from a minimum of 16°C (60°F) to a maximum of 31°C (89°F), while November has a minimum of 15°C (60°F) and a maximum of 32°C (89°F). Precipitation remains high in both months, with October receiving 166 mm (6.6 in) over 19 days, compared to November's 153 mm (6.0 in) across 20 days. Additionally, November exhibits higher humidity levels at 86%, compared to 82% in October. For more detailed information, check out Guaratuba weather in November.
In comparing the weather between October and December, October sees a slightly cooler average temperature, ranging from a minimum of 16°C (60°F) to a maximum of 31°C (89°F), while December offers a slightly warmer experience with temperatures ranging from 18°C (64°F) to 32°C (89°F). Both months are marked by significant rainfall, with October receiving 166 mm (6.6 in) over 19 days and December experiencing a total of 193 mm (7.6 in) across 20 days. Additionally, December tends to be more humid, with an average humidity level of 88%, compared to October's 82%. For a detailed look at how the weather behaves in December, visit Guaratuba weather in December.
October in Guaratuba is a transitional month, bringing a warm embrace with average temperatures around 21°C. As the days grow longer and humidities soar to 82%, the inviting warmth can often be accompanied by rain, with precipitation occurring on about 19 days. While many may still enjoy the lingering summer vibe, the increased rainfall sets October apart from the drier months of the year, adding a refreshing twist to the coastal atmosphere. For a deeper understanding of how Guaratuba's weather changes throughout the year, be sure to check out Guaratuba Climate.