Last updated: August 21, 2025
Experience the vibrant July weather of Rio das Ostras, Brazil, where days are typically warm with a maximum temperature reaching 33°C (91°F). The month boasts an average temperature of 21°C (70°F), providing a pleasant climate for outdoor enthusiasts. However, evenings can be a bit cooler, with minimum temperatures dipping to 12°C (53°F). July also sees 19 mm (0.7 in) of rain spread across 5 days, contributing to the high humidity level of 77%, which adds a tropical touch to this coastal paradise. Whether you’re exploring the stunning beaches or enjoying vibrant local culture, Rio das Ostras in July offers a delightful blend of sun and slight tropical showers.
In Rio das Ostras, Brazil, July brings a noticeable shift in temperatures, marking one of the cooler months of the year. With minimums dipping to 12°C (53°F), the air turns crisp, inviting locals and visitors to relish the refreshing climate. The average temperature rests at 21°C (70°F), providing a pleasant backdrop for outdoor activities, while maximums can reach 33°C (91°F), ensuring that sunny days are still enjoyable. This transitional phase reflects the gradual movement from the sultry summer months toward more temperate conditions, making July an ideal time to explore the region's beautiful beaches and lush landscapes without the sweltering heat typical of earlier in the year.
In July, Rio das Ostras experiences a notable dip in rainfall, averaging just 19 mm (0.7 in), which marks one of the driest months of the year. With only 5 days of precipitation, the region enjoys a brief respite from the heavier rains typical of earlier months. This trend reflects a clear shift towards the tail end of the rainy season, as precipitation begins to wane significantly from the peak levels seen in November and December. The light rainfall in July often creates a pleasant atmosphere, making it an ideal time for locals and visitors to enjoy the sun-drenched beaches and vibrant outdoor activities that the coastal town has to offer.
In July, Rio das Ostras experiences a dip in humidity, with levels averaging around 77%. This marks a continuation of a subtle downward trend that begins in June and extends into the following months, signaling a transition toward the drier winter season. Notably, July's humidity is lower than the previous six months, contributing to a more comfortable atmosphere for both locals and visitors alike. As the year progresses, humidity levels are anticipated to reach their annual low in October, further emphasizing the shifting climatic patterns of this beautiful coastal region. The steady decline from January's sweltering 85% to July's refreshing 77% illustrates the dynamic weather rhythms that characterize Rio das Ostras throughout the year.
In July, Rio das Ostras experiences a UV Index of 7, placing it in the high exposure category with a burn time of 25 minutes. This month marks a subtle shift from the extreme levels of UV radiation seen in the earlier months; for instance, January through April showcased an alarming max index of 16, necessitating a mere 10 minutes for skin to burn. While July's index is lower, it's essential to remain vigilant, as the sun's intensity is still significant. As the year progresses into late summer, August sees a rise in UV levels once more with an index of 9. Understanding these trends is crucial for enjoying the beautiful beaches of Rio das Ostras safely, so make sure to check the current UV conditions on Rio das Ostras UV Index.
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In July, Rio das Ostras basks in an impressive 297 hours of sunshine, making it a vibrant time for beachgoers and outdoor enthusiasts alike. This month consistently reflects a trend of abundant daylight, nestled between slightly lower sunshine in June and a gradual increase in August. Notably, July’s hours showcase a steady luminosity that complements the lively atmosphere of winter festivities in Brazil, encouraging both locals and visitors to revel in the seaside charm. As the year progresses, the sunlight peaks notably in December with 331 hours, hinting at the region's radiant allure throughout the seasons.
In Rio das Ostras, Brazil, July is a standout month when it comes to sunny weather, boasting a 66% chance of sunshine. This marks a noticeable upswing from the earlier months, where the likelihood fluctuates between 30% and 57%. Following June's 57%, July's embrace of the sun signals the peak of winter in Brazil, making it the most promising time for sun seekers. As summer approaches in August, the chances remain favorable at 55%, though it’s July that truly shines bright with its robust potential for clear skies, encouraging both locals and visitors alike to enjoy the beautiful coastal scenery.
In Rio das Ostras, Brazil, the daylight duration exhibits a fascinating pattern throughout the year, reflecting the subtropical climate. Starting with January's generous 13 hours of sunshine, daylight begins to gradually decrease until it reaches its lowest point in June and July, where both months offer only 10 hours. This slight dip corresponds with the southern hemisphere's winter season, bringing shorter days to the region. However, as August approaches, daylight starts to rebound, returning to 11 hours and continuing to rise through the spring months, culminating in a return to 13 hours of daylight by the end of the year in November and December. This cyclical rhythm not only highlights the region's seasonal transitions but also enhances the vibrant outdoor lifestyle that locals and visitors alike cherish.
In July, Rio das Ostras enjoys a pleasant wind speed averaging 2.9 m/s (6 mph), maintaining the same gentle breeziness as seen in the previous month. This moderate wind is characteristic of the winter months in Brazil, providing a refreshing contrast to the milder conditions of earlier months like April and May. As the year progresses, wind speeds begin to pick up again, reaching a peak in August at 3.4 m/s (8 mph), followed by a return to slightly calmer days in September. Such fluctuations highlight a subtle seasonal pattern, where July serves as a transitional period, offering just the right amount of wind to complement the coastal charm of this stunning region.
Weather in Rio das Ostras varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Rio das Ostras, focusing on differences in temperature, rainfall, humidity, and UV levels.
In July, the weather in Rio das Ostras features milder temperatures, with a minimum of 12°C (53°F) and an average of 21°C (70°F), peaking at 33°C (91°F). The month experiences relatively low precipitation at 19 mm (0.7 in) over about 5 days, accompanied by a humidity level of 77%. In contrast, January is much warmer, with temperatures ranging from a minimum of 20°C (68°F) to an average of 27°C (81°F), and highs reaching 36°C (97°F). However, January also sees significantly more rain, accumulating 127 mm (5.0 in) across 12 days, while humidity climbs to 85%. For more detailed insights, check out Rio das Ostras weather in January.
When comparing the weather in July and February, notable differences emerge. July tends to be milder, with temperatures ranging from a minimum of 12°C (53°F) to a maximum of 33°C (91°F) and relatively low precipitation at 19 mm (0.7 in) over about 5 days. In contrast, February is significantly warmer, featuring temperatures that range from a minimum of 20°C (68°F) to a scorching maximum of 36°C (97°F). However, it experiences much higher rainfall, totaling 190 mm (7.5 in) over approximately 20 days, along with increased humidity at 86%. For more detailed information on February weather, you can visit Rio das Ostras weather in February.
When comparing the weather in July and March, there are notable differences in temperature, precipitation, and humidity. In July, temperatures range from a minimum of 12°C (53°F) to a maximum of 33°C (91°F), with an average of 21°C (70°F) and relatively low precipitation at 19 mm (0.7 in) over just 5 days. Conversely, March sees warmer temperatures with a minimum of 19°C (66°F) and a maximum of 35°C (96°F), averaging 26°C (79°F). This month also experiences significantly higher rainfall, totaling 185 mm (7.3 in) across 17 days, and slightly increased humidity at 84%. For more details on March weather, you can check Rio das Ostras weather in March.
When comparing the weather in July and April, notable differences in temperature and precipitation emerge. In July, the temperatures range from a minimum of 12°C (53°F) to a maximum of 33°C (91°F), with an average of 21°C (70°F). The month experiences relatively low precipitation, totaling only 19 mm (0.7 in) over about 5 days, and humidity is moderately high at 77%. In contrast, April generally offers warmer conditions, with temperatures ranging from a minimum of 16°C (62°F) to a maximum of 35°C (96°F) and an average of 24°C (76°F). April sees significantly more rainfall, totaling 73 mm (2.9 in) over 12 days, and humidity is slightly higher at 82%. This creates a humid atmosphere, typical of the transitional spring season. For further details, you can visit Rio das Ostras weather in April.
When comparing the weather in July and May, it's evident that both months offer mild temperatures, but with some notable differences. In July, temperatures range from a minimum of 12°C (53°F) to a maximum of 33°C (91°F), with an average of 21°C (70°F). In contrast, May tends to be slightly warmer, with temperatures ranging from 13°C (56°F) to 34°C (93°F) and an average of 22°C (73°F).
Precipitation levels also vary significantly, as July receives only 19 mm (0.7 in) of rain over approximately 5 days, while May experiences much heavier rain with 68 mm (2.7 in) across 9 days. Humidity is relatively high in both months, with July at 77% and May slightly higher at 80%. For more detailed information on May weather, you can check out Rio das Ostras weather in May.
In comparing the weather of July and June, both months exhibit similar high temperatures with maximums reaching 33°C (91°F). However, July tends to be slightly cooler on average, with temperatures ranging from a minimum of 12°C (53°F) to an average of 21°C (70°F), while June's temperatures range from 13°C (56°F) to an average of 22°C (72°F). Rainfall is another distinguishing factor, as June experiences greater precipitation of 34 mm (1.3 in) over 7 days, compared to July's 19 mm (0.7 in) over just 5 days. Humidity levels are fairly comparable, with July at 77% and June slightly higher at 78%. For more details on June weather, check out Rio das Ostras weather in June.
In comparing the weather of July and August, both months have a similar average temperature of 21°C (70°F), with temperatures ranging from a minimum of 12°C (53°F) in July to 13°C (55°F) in August. The maximum temperature rises slightly in August, reaching 34°C (93°F), compared to July's 33°C (91°F). However, August experiences significantly more precipitation, totaling 53 mm (2.1 in) over 10 days, while July sees only 19 mm (0.7 in) over just 5 days. Humidity remains relatively high in both months, with July at 77% and August at 75%. For more detailed information, check Rio das Ostras weather in August.
In July, the weather is generally milder, with temperatures ranging from a minimum of 12°C (53°F) to a maximum of 33°C (91°F), leading to an average of 21°C (70°F). The month experiences relatively low precipitation at 19 mm (0.7 in) over about 5 days, along with humidity levels around 77%. In contrast, September brings slightly warmer temperatures, with a minimum of 15°C (59°F) and a maximum of 35°C (96°F), resulting in a higher average of 23°C (74°F). However, it also sees increased rainfall, measuring 66 mm (2.6 in) across 8 days, while humidity decreases slightly to 75%. This shift makes September feel a bit warmer and wetter compared to the relatively dry and cooler July. For more details, you can check the Rio das Ostras weather in September.
In July, the weather is relatively mild with temperatures ranging from a minimum of 12°C (53°F) to a maximum of 33°C (91°F), averaging around 21°C (70°F). Precipitation is low, at just 19 mm (0.7 in) over approximately 5 days, and the humidity is notably high at 77%.
In contrast, October experiences warmer conditions with temperatures ranging from a minimum of 16°C (61°F) to a high of 36°C (98°F), averaging 24°C (75°F). However, it is significantly wetter, with precipitation reaching 117 mm (4.6 in) over 15 days, while humidity remains slightly lower at 74%. This shift from July to October indicates not only an increase in temperatures but also a notable rise in rainfall. For more detailed information, you can check Rio das Ostras weather in October.
In July, the weather in Rio das Ostras is relatively mild, with average temperatures ranging from a minimum of 12°C (53°F) to a maximum of 33°C (91°F). The region experiences low precipitation, totaling just 19 mm (0.7 in) over about 5 days, accompanied by a humidity level of 77%.
In contrast, November brings warmer conditions with an average temperature between 15°C (60°F) and a peak of 36°C (98°F). This month is marked by significantly higher rainfall, accumulating 235 mm (9.3 in) across 18 days, and a slightly increased humidity of 79%. For a closer look at the climate during this time, check out Rio das Ostras weather in November.
In July, the weather in Rio das Ostras is generally mild, with temperatures ranging from a minimum of 12°C (53°F) to a maximum of 33°C (91°F) and an average of around 21°C (70°F). It experiences relatively low precipitation, totaling just 19 mm (0.7 in) over about 5 days, and the humidity stands at 77%. In contrast, December sees warmer temperatures, with minimums around 16°C (61°F) and maximums reaching 34°C (93°F), resulting in an average of 25°C (78°F). Precipitation is substantially higher, with 233 mm (9.2 in) spread across approximately 20 days, contributing to a slightly increased humidity level of 81%. To learn more about the weather during this month, you can visit Rio das Ostras weather in December.
July in Rio das Ostras offers a delightful respite from the heat, with pleasantly mild temperatures making it a standout month compared to the sweltering summer months. While the average temperature hovers around a comfortable 21°C, the occasional peak at 33°C adds a touch of warmth for sun-seekers. Rainfall is minimal, with only a few days experiencing light showers, contributing to an overall low humidity of 77% that makes outdoor activities enjoyable. For those looking to explore the unique climate of this coastal paradise, more details can be found at Rio das Ostras Climate.