Last updated: August 21, 2025
July in Niteroi, Brazil offers a delightful escape, with temperatures peaking at a warm 32°C (90°F) and averaging a comfortable 21°C (71°F). While daytime heat is prominent, the minimum temperature can dip to 15°C (59°F), providing a refreshing contrast during cooler nights. The month experiences 35 mm (1.4 in) of rainfall spread over 6 days, maintaining an elevated humidity level of 76% that accentuates the lushness of the region. Enjoy the vibrant atmosphere and mild weather as Niteroi embraces the heart of winter with its unique charm.
In Niteroi, Brazil, July presents a delightful transition into the cooler winter months. During this period, temperatures dip slightly, with minimums averaging around 15°C (59°F), while the average temperature hovers around 21°C (71°F). Despite being one of the cooler months, the maximum temperature can still reach up to 32°C (90°F), providing a reassuring warmth for those enjoying the city's beaches and outdoor activities. This shift from the sweltering summer heat, where January peaks at 34°C (94°F), underscores a more comfortable climate for visitors and locals alike. As the month progresses, you can expect pleasant days balanced with cooler nights, making July an inviting time to explore the vibrant culture and scenic beauty of Niteroi.
In July, Niteroi experiences a notable decline in precipitation, with only 35 mm (1.4 in) of rain recorded over just 6 days. This represents one of the driest months of the year, following a trend that sees an overall reduction in rainfall from the wet season earlier in the year. After the peak in March with 138 mm (5.4 in) of rainfall, July marks a significant shift as the region transitions toward the drier months of late winter and early spring. The relatively low precipitation levels in July provide a brief respite from the earlier, heavier rains, allowing for clearer skies and more pleasant weather, making it a favorable time for outdoor activities in Niteroi.
In Niteroi, Brazil, July marks a notable dip in humidity, averaging 76%, a refreshing change from the sweltering months at the beginning of the year. Following the higher humidity levels seen in the earlier months—peaking at 86% in March—there's a gradual decline through spring and into mid-year, with June recording 80% before reaching July's more comfortable levels. This trend continues into August, where humidity decreases to 73%, indicating a shift towards drier conditions as the region transitions into late winter. As such, July serves as a pivotal month for those seeking a break from the stifling humidity that characterizes Niteroi's summer months.
In July, Niteroi experiences a UV Index of 7, placing it in the high exposure category. This means that while sun worshippers can enjoy the outdoors, they should still be cautious, as the recommended burn time is 25 minutes. Notably, July's UV levels reflect a slight increase from June but remain lower compared to the peak intensity months of January through March, where the index soars to extremes. The transition into winter sees a mild dip in UV exposure compared to the sweltering summer, yet it's essential for residents and visitors alike to stay sun-safe. For more insights and specifics on UV levels throughout the year, check the detailed Niteroi UV Index.
UV Risk Categories
In Niteroi, Brazil, July is embraced with a pleasing 290 hours of sunshine, marking it as a vibrant summer month. This figure places July high on the list of sunny days, just below the lively months of March and December. The trend reveals a gradual increase in sunshine hours as winter recedes, showcasing Niteroi's alluring climate. Throughout the year, sunshine tends to fluctuate, with the sunniest months being December and March, both offering over 300 hours. As the city transitions from the cooler months, July provides a delightful blend of warmth and brightness, making it an ideal time for outdoor adventures and enjoying Niteroi's stunning landscapes.
In Niteroi, Brazil, the chances of enjoying sunny weather steadily climb through the winter months, reaching a promising 58% in July. This mid-year peak aligns with a notable trend: as the year progresses from the cooler, cloudier months of January and February—where the odds of sunshine dwindle to 36% and 33%—the likelihood of clear skies increases significantly. By July, the pattern reveals an upward trajectory, with sunshine becoming increasingly likely, setting the stage for delightful outdoor activities. A glance at August shows an even brighter forecast at 60%, reinforcing the idea that July is just the beginning of a sunny summer spell in this vibrant coastal city.
In Niteroi, Brazil, the daylight duration exhibits a captivating rhythm throughout the year. Starting with a vibrant 13 hours in January, daylight gradually decreases to 10 hours by June and July, marking the mid-year lull. As winter fades, the days begin to lengthen again, rising back to 11 hours in August and returning to 12 hours by October. This seasonal dance peaks once more in November and December, when daylight extends back to a delightful 13 hours. Overall, the gradual transition from longer to shorter days in midyear showcases the unique solar patterns that define Niteroi's climate.
In Niteroi, Brazil, July experiences a gentle average wind speed of 3.1 m/s (7 mph), mirroring the breezy conditions of June. This stability suggests a smooth transition into the drier months, setting the stage for the slightly increased winds that August brings with an average of 3.7 m/s (8 mph). While July's winds may feel moderate compared to the peaks of September and October, where speeds rise to 4.0 m/s (9 mph) and 4.2 m/s (9 mph) respectively, the consistent currents of July create a pleasant atmosphere for outdoor activities. The overall trend indicates a gradual escalation in wind strength as winter progresses, enhancing the charm of this coastal city.
Weather in Niteroi varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Niteroi, focusing on differences in temperature, rainfall, humidity, and UV levels.
When comparing the weather in July and January, a noticeable contrast emerges. July typically sees milder temperatures with a minimum of 15°C (59°F) and an average of 21°C (71°F), while January boasts warmer conditions, starting at a minimum of 21°C (70°F) and averaging 27°C (81°F). Furthermore, January experiences a higher maximum temperature of 34°C (94°F), compared to July's peak of 32°C (90°F). In addition to the temperature differences, January also has significantly more precipitation, averaging 91 mm (3.6 in) over 11 days, compared to July's 35 mm (1.4 in) over 6 days. The humidity levels are slightly elevated in January at 85%, whereas July's humidity rests at 76%. For a closer look at January weather specifics, you can check Niteroi weather in January.
When comparing the weather in July and February, distinct differences become apparent. July tends to be milder, with minimum temperatures around 15°C (59°F) and maximums peaking at 32°C (90°F), alongside lower precipitation of 35 mm (1.4 in) over approximately 6 days. In contrast, February experiences higher temperatures, with minimums around 21°C (71°F) and maximums reaching up to 35°C (95°F), coupled with significantly more rainfall—119 mm (4.7 in) spread over 15 days. The humidity is also elevated in February at 85%, compared to July's 76%. For a detailed look at February's conditions, check out Niteroi weather in February.
The weather in July and March significantly differs in terms of temperature and precipitation. In July, temperatures range from a minimum of 15°C (59°F) to a maximum of 32°C (90°F), with an average of 21°C (71°F) and relatively low precipitation of 35 mm (1.4 in) over about 6 days. In contrast, March boasts warmer temperatures with a minimum of 20°C (69°F) and a maximum of 34°C (94°F), averaging 27°C (80°F). However, March experiences much higher rainfall, totaling 138 mm (5.4 in) across 16 days, contributing to a higher humidity level of 86%. For more details, you can check out Niteroi weather in March.
When comparing the weather in July and April, notable differences emerge. July typically features milder temperatures with average highs around 21°C (71°F), while April tends to be warmer, peaking at an average of 25°C (77°F). Additionally, April experiences higher precipitation levels, with 81 mm (3.2 in) falling over 14 days, compared to July's 35 mm (1.4 in) over just 6 days. Humidity levels are also slightly higher in April at 83%, compared to 76% in July. For more detailed insights into April weather, you can check Niteroi weather in April.
When comparing the weather in July and May, we see some notable differences. July experiences a cooler temperature range with a minimum of 15°C (59°F) and an average of 21°C (71°F), while May has slightly warmer conditions with a minimum of 16°C (61°F) and an average of 23°C (74°F). Max temperatures are similar, peaking at 32°C (90°F) in July and 33°C (91°F) in May. However, May tends to be wetter, with a total precipitation of 73 mm (2.9 in) over 10 days compared to July's 35 mm (1.4 in) over just 6 days. Additionally, humidity levels are slightly higher in May at 81%, compared to July's 76%. For more details on May weather, you can check Niteroi weather in May.
In comparison to June, July experiences slightly cooler temperatures, with an average of 21°C (71°F) compared to June's 22°C (73°F). While both months have similar maximum temperatures, July's minimum temperature is marginally lower at 15°C (59°F) versus June's 16°C (62°F). Precipitation is also a bit less in July, totaling 35 mm (1.4 in) over 6 days, compared to June's 39 mm (1.5 in) over 9 days, indicating that July is generally a drier month. Furthermore, humidity levels are slightly lower in July at 76%, compared to June's 80%. For a more detailed look at conditions during June, you can visit Niteroi weather in June.
In July, the weather typically exhibits a minimum temperature of 15°C (59°F) and an average of 21°C (71°F), peaking at 32°C (90°F). The month experiences relatively light precipitation, with about 35 mm (1.4 in) over 6 days and a humidity level of 76%. In contrast, August sees a slight drop in minimum temperature to 14°C (58°F), while maintaining the same average and maximum temperatures as July. However, August is wetter, with precipitation increasing to 68 mm (2.7 in) over 11 days and a slight decrease in humidity to 73%. For more detailed insights on weather conditions, you can check Niteroi weather in August.
In July, the weather tends to be mild, with temperatures ranging from a minimum of 15°C (59°F) to a maximum of 32°C (90°F) and an average of 21°C (71°F). The month sees about 35 mm (1.4 in) of precipitation over six days, accompanied by relatively high humidity at 76%. In contrast, September ushers in slightly warmer weather, with minimum temperatures of 17°C (63°F) and maximums reaching up to 34°C (94°F), resulting in an average temperature of 23°C (74°F). This month also experiences increased precipitation at 48 mm (1.9 in) over eight days, though humidity drops to a more comfortable 68%. For more details on September weather, you can refer to Niteroi weather in September.
In July, the weather is generally mild, with average temperatures ranging from a minimum of 15°C (59°F) to a maximum of 32°C (90°F). Precipitation is relatively low, totaling around 35 mm (1.4 in) over about 6 days, while humidity is quite high at 76%. In contrast, October sees a warmer climate, with temperatures reaching a minimum of 17°C (63°F) and peaking at a maximum of 36°C (97°F). However, October is also wetter, with 86 mm (3.4 in) of rainfall occurring over approximately 14 days, and humidity levels dropping to 61%. For a more detailed outlook on October weather, you can check this link: Niteroi weather in October.
In comparing the weather between July and November, it is evident that November tends to be warmer and wetter. In July, the temperatures range from a minimum of 15°C (59°F) to a maximum of 32°C (90°F), with an average of 21°C (71°F) and only 35 mm (1.4 in) of precipitation over about 6 days. In contrast, November sees milder lows of 18°C (64°F) and higher highs of 34°C (94°F), averaging a comfortable 24°C (75°F), but it also experiences significantly more rainfall, totaling 115 mm (4.5 in) over approximately 16 days. Despite the increased humidity in July at 76%, November's humidity is slightly lower at 72%. For a more detailed look at November weather, check out Niteroi weather in November.
In July, the weather is generally mild with temperatures ranging from a minimum of 15°C (59°F) to a maximum of 32°C (90°F). The average temperature sits around 21°C (71°F), accompanied by relatively low precipitation of 35 mm (1.4 in) over about 6 days, and humidity levels at 76%. In contrast, December brings warmer temperatures with minimums of 19°C (67°F) and maximums reaching up to 33°C (92°F), resulting in an average temperature of 25°C (78°F). However, December also experiences higher rainfall, totaling 121 mm (4.8 in) over 15 days, while humidity remains slightly lower at 75%. For more details, you can check the Niteroi weather in December.
In July, Niteroi experiences a delightful blend of warm days and cooler evenings, setting it apart from the sweltering summer months. With average temperatures hovering at a comfortable 21°C (71°F), the weather is ideal for outdoor activities, though occasional rainfall can bring a refreshing contrast. Unlike the peak humidity and precipitation of other seasons, July features a more manageable humidity level at 76%, making it a pleasant time to explore this vibrant coastal city. Discover more about what to expect throughout the year at Niteroi Climate.