Last updated: August 21, 2025
In July, Porto Alegre experiences a mix of cool and warm temperatures, with a maximum reaching 30°C (87°F) and an average of 14°C (58°F). The month can be quite brisk at times, with a minimum temperature dropping to 2°C (35°F). Rain is not uncommon, as the city witnesses 122 mm (4.8 in) of precipitation over approximately 8 days, resulting in a relative humidity of 82%. This combination of factors creates a dynamic climate, perfect for enjoying the beauty of winter in southern Brazil while staying prepared for occasional showers.
In July, Porto Alegre experiences its coolest month of the year, with temperatures dipping to a minimum of 2°C (35°F). Average temperatures hover around 14°C (58°F), creating a crisp but bearable climate for residents and visitors alike. Despite these cooler averages, the city can still warm up to a comfortable maximum of 30°C (87°F), offering a nice balance for outdoor activities. This month marks a notable drop from the sweltering summer highs of January and February, which soar to a scorching 39°C (103°F). As the year progresses, the transition into winter becomes palpable, making July a time for cozy gatherings and the enjoyment of Porto Alegre’s vibrant indoor culture.
In July, Porto Alegre experiences a notable precipitation increase, with an average of 122 mm (4.8 in) of rain over 8 days. This uptick follows a relatively wet June and contrasts sharply with the drier months ahead, such as August, which receives just 70 mm (2.8 in). Interestingly, July's rainfall is part of a broader pattern where the late autumn and winter months generally see higher precipitation levels, peaking in September, whereas spring months like October and November carry considerable rainfall too. This trend suggests that Porto Alegre's climate fluctuates, showcasing a distinctive seasonal rhythm that shapes the local landscape and lifestyle.
In July, Porto Alegre experiences a notable humidity level of 82%, placing it in line with the slightly elevated moisture typical of the mid-year months. This figure reflects a gradual transition from the peak humidity of May (87%) and June (85%), which often characterize the damp winter season. Interestingly, July's humidity aligns closely with the summer months of January and February, showcasing a consistent pattern of elevated humidity levels throughout the year. As the city gears towards the drier months of late winter and early spring, the relatively stable humidity in July suggests a lingering richness in the air, making the climate feel balmy yet comfortably bearable.
In July, Porto Alegre experiences a moderate UV Index of 5, indicating a lower risk of harm from unprotected sun exposure compared to the peak summer months. With a burn time of 30 minutes, residents and visitors should still take precautions, particularly during midday hours when the sun's rays are strongest. This slight dip in UV intensity marks a transition from the extreme levels recorded in the summer months of January to March, where the burn time was as brief as 10 minutes. As the year progresses into August, the UV Index is expected to rise again, showcasing the region's dynamic climate. For more detailed information on the UV Index throughout the year, visit Porto Alegre UV Index.
UV Risk Categories
In July, Porto Alegre enjoys a pleasant share of sunshine with 239 hours of sunlight, fitting snugly into the month’s transition from the cooler winter months to the spring warmth that follows. This represents a slight uptick from June's 220 hours, suggesting that winter's grip is beginning to loosen as the city gears up for the vibrant spring season. The trend over the year shows a dynamic interplay of sunlight, peaking significantly in December with 361 hours, while the summer months consistently bask in the most sun. As the days gradually lengthen, July serves as a reminder of nature's cyclical rhythm, leading into the brighter days ahead.
In Porto Alegre, Brazil, July boasts an impressive 60% chance of sunny weather, making it one of the brighter months of the year. This trend stands out particularly against the preceding months, with June experiencing a much lower likelihood of sunshine at 32%. As winter sets in, July emerges as an exception, providing residents and visitors with ample opportunities to enjoy outdoor activities. The sunny spell in July is a welcome shift from the earlier months of the year, where the chances of sunshine fluctuate between 40% and 59%. Looking ahead, August dips to 40%, but July’s brightness reinforces its position as a favored month for those seeking warmth and sunlight in the heart of winter.
In Porto Alegre, Brazil, July marks a transitional phase in daylight duration, as the city experiences 10 hours of daylight—remaining consistent with the previous month. This period represents the depth of winter, where sunlight gradually begins its ascent after reaching a minimum in June. The trend shows a gradual increase from July to August, with daylight beginning to extend as spring approaches, ultimately leading to the longer days of late spring and summer, where December shines with a full 14 hours of daylight. This rhythmic ebb and flow of sunlight not only dictates daily activities but also paints a beautiful picture of the changing seasons in this vibrant city.
In July, Porto Alegre experiences an average wind speed of 2.8 m/s (6 mph), which is consistent with the breezier months that precede it. Although July marks a slight dip from the windier June at 3.2 m/s, the calmness remains within the same range as the quieter late autumn and early winter months. This period typically transitions into slightly stronger winds as the city heads into spring, with September and October nudging up to 3.3 m/s. Overall, while July's winds may not be the strongest, they contribute to the city's uniquely mild winter atmosphere, setting the stage for the refreshing breezes of the upcoming months.
Weather in Porto Alegre varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Porto Alegre, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather of July and January, notable differences emerge. July features cooler temperatures with a minimum of 2°C (35°F), an average of 14°C (58°F), and a maximum of 30°C (87°F), accompanied by a higher humidity level of 82% and approximately 122 mm (4.8 in) of precipitation over 8 days. In contrast, January presents a much warmer climate, with temperatures ranging from a minimum of 15°C (58°F) to a maximum of 39°C (103°F) and an average of 26°C (79°F). Though January experiences slightly less rainfall at 93 mm (3.7 in) spread over 12 days, the humidity remains relatively consistent at 77%. For more insights on January weather, you can visit Porto Alegre weather in January.
July and February present notably different weather conditions. In July, temperatures range from a chilly minimum of 2°C (35°F) to a pleasant average of 14°C (58°F), with a maximum of 30°C (87°F). However, this month also sees higher precipitation, averaging 122 mm (4.8 in) over about 8 days, and a high humidity level of 82%. In contrast, February offers much warmer temperatures, with a minimum of 14°C (58°F) and an average temperature of 25°C (77°F), peaking at a scorching maximum of 38°C (100°F). While February has slightly lower total precipitation at 112 mm (4.4 in) and occurs over more days (11), its humidity is marginally lower at 79%. For a more detailed overview, you can check Porto Alegre weather in February.
When comparing the weather in July and March, distinct differences emerge. July tends to be much cooler, with average temperatures ranging from a minimum of 2°C (35°F) to a maximum of 30°C (87°F), and high humidity levels at 82%. In contrast, March experiences warmer average temperatures, ranging from a minimum of 13°C (56°F) to a high of 38°C (100°F), although it also sees a slightly lower humidity of 79%. While both months experience significant precipitation, July has 122 mm (4.8 in) over 8 days, whereas March has 109 mm (4.3 in) spread across 12 days. For a more detailed view, you can check Porto Alegre weather in March.
In comparing the weather between July and April, we see notable differences in temperature and precipitation. July experiences cooler temperatures, with averages from a minimum of 2°C (35°F) to a maximum of 30°C (87°F), while April presents warmer conditions with a minimum of 8°C (47°F) and a peak of 34°C (93°F). Interestingly, both months receive rainfall on approximately eight days, but July has a higher total precipitation of 122 mm (4.8 in) compared to April's 73 mm (2.9 in). Despite the distinct temperature variations, both months share the same humidity level of 82%, making the atmosphere feel similarly muggy. For more details about April weather in Porto Alegre, visit Porto Alegre weather in April.
When comparing the weather in July and May, notable differences in temperature and precipitation emerge. In July, temperatures range from a minimum of 2°C (35°F) to a maximum of 30°C (87°F), with an average of 14°C (58°F). In contrast, May experiences slightly milder conditions, with temperatures ranging from 5°C (41°F) to 32°C (90°F) and an average of 17°C (63°F). Furthermore, May sees more precipitation, totaling 153 mm (6.0 in) over 10 days, compared to July's 122 mm (4.8 in) over 8 days. The humidity levels are also higher in May at 87%, compared to 82% in July, making the earlier month feel more humid. For a detailed look at May's weather, check out Porto Alegre weather in May.
In comparing the weather between June and July, we observe that July experiences a slightly cooler range of temperatures, with a minimum of 2°C (35°F) and an average of 14°C (58°F), while June has a minimum of 3°C (38°F) and an average of 16°C (60°F). Interestingly, July's maximum temperature reaches 30°C (87°F), which is very close to June's peak of 31°C (88°F). Precipitation is relatively similar, with July recording 122 mm (4.8 in) over 8 days compared to June's 113 mm (4.4 in) across 9 days. Humidity levels are also comparable, at 82% for July and 85% for June. For more detailed information, you can check Porto Alegre weather in June.
In comparing the weather between July and August, August tends to be slightly warmer with average temperatures rising from 14°C (58°F) in July to 16°C (61°F). The maximum temperature also increases, reaching up to 34°C (94°F) in August, compared to 30°C (87°F) in July. Precipitation decreases significantly in August, with only 70 mm (2.8 in) of rain compared to 122 mm (4.8 in) in July, though both months experience rainfall on approximately 8 days. Humidity remains relatively consistent, at 82% in July and slightly lower at 81% in August, making the overall feel of the summer months quite similar. For a detailed overview of August's climatic conditions, you can visit Porto Alegre weather in August.
In comparing the weather of July and September, September tends to be warmer and more humid. While July experiences minimum temperatures of 2°C (35°F) and an average of 14°C (58°F), September has a higher minimum of 7°C (45°F) with an average of 18°C (65°F). The maximum temperatures also rise, reaching up to 36°C (96°F) in September compared to July's peak of 30°C (87°F). Precipitation increases slightly in September, totaling 155 mm (6.1 in) over 12 days, compared to 122 mm (4.8 in) over 8 days in July. Overall, September feels notably warmer and more humid, as indicated by the humidity rates of 84% in September versus 82% in July. For more detailed information, check Porto Alegre weather in September.
In comparing the weather between July and October, we observe that July tends to be cooler, with temperatures ranging from a minimum of 2°C (35°F) to a maximum of 30°C (87°F), while October experiences slightly warmer conditions, with a minimum of 9°C (49°F) and a maximum of 37°C (100°F). Precipitation is more frequent in October, occurring on 13 days compared to July’s 8 days, with October also seeing a higher total precipitation of 139 mm (5.5 in) versus July’s 122 mm (4.8 in). Humidity levels remain relatively high in both months, with July at 82% and October at 85%. For more detailed information, visit Porto Alegre weather in October.
In July, the weather tends to be cooler, with temperatures ranging from a minimum of 2°C (35°F) to a maximum of 30°C (87°F) and an average of 14°C (58°F). The month also sees around 122 mm (4.8 in) of precipitation over approximately 8 days, while maintaining a high humidity level of 82%.
In contrast, November experiences much warmer temperatures, with a minimum of 12°C (53°F), an average of 22°C (72°F), and soaring up to a maximum of 37°C (99°F). Despite slightly lower precipitation at 112 mm (4.4 in) over 10 days, humidity remains constant at 82%. This comparison highlights the significant temperature variance between the two months while keeping the humidity relatively stable. For more details on the weather in November, you can check Porto Alegre weather in November.
When comparing the weather in July and December, it's clear that December offers significantly warmer temperatures. In July, the minimum temperature dips to around 2°C (35°F), while December sees a much milder minimum of 13°C (55°F). The average temperature in July is 14°C (58°F), compared to December’s average of 24°C (76°F), with maximum temperatures peaking at 30°C (87°F) in July and soaring to 38°C (101°F) in December. Precipitation levels are slightly lower in December at 80 mm (3.2 in) over 8 days, while July experiences 122 mm (4.8 in), also over 8 days. Humidity remains high in both months, with July recording 82% and December slightly higher at 84%. For more insights into December weather in this region, check out Porto Alegre weather in December.
July in Porto Alegre presents a distinct blend of winter chill and occasional warmth, setting it apart from the warmer months of the year. With temperatures that can dip to a brisk 2°C while occasionally reaching a pleasant 30°C, residents and visitors alike experience a wide range of conditions. The average temperature hovers around a cool 14°C, which, combined with high humidity levels of 82%, lends a unique atmosphere to the city. Precipitation is also more common, with about eight rainy days throughout the month, contributing to a lush and vibrant landscape. For a deeper understanding of how July fits within the broader weather spectrum of the region, explore Porto Alegre Climate.