Last updated: August 21, 2025
In July, Oeiras, Brazil basks in warm, inviting weather characterized by a striking maximum temperature of 38°C (101°F) and a pleasant average of 29°C (84°F). Nighttime brings cooler relief with minimum temperatures falling to 21°C (70°F). The month is exceptionally dry, boasting 0 mm of precipitation and no rainy days, making it an ideal time for outdoor activities. With a humidity level hovering around 66%, the air feels comfortable, inviting residents and visitors alike to experience the vibrant landscapes of this charming region.
In July, Oeiras, Brazil experiences a warm and vibrant climate, with temperatures that forge a bridge between the mildness of early winter and the approaching heat of summer. The average temperature hovers around 29°C (84°F), while nighttime lows settle at a comfortable 21°C (70°F). Daytime peaks reach up to 38°C (101°F), reminding us that even winter in this tropical locale can be sweltering. The trends observed from previous months reveal a consistent warmth throughout the year, with July offering a pleasant interlude characterized by minimal temperature fluctuations. As the region transitions towards August, we can expect slightly higher averages, but July stands out for its balance, inviting visitors to enjoy all that Oeiras has to offer under a sun-drenched sky.
In Oeiras, Brazil, July marks a striking transition in precipitation patterns, with a total of 0 mm of rainfall, highlighting a stark contrast to the earlier months of the year. Following the lush wetness of February, which saw 217 mm over 21 days, July, along with the surrounding months of June and August, experiences a complete dry spell. This significant drop in precipitation, paired with the lack of rainy days, signals the onset of the dry season, where the region shifts from the heavier rains of summer to a calmer winter. As the year progresses, October begins to hint at a return to moisture with 20 mm expected, but for now, July remains a time of stillness and dryness in Oeiras.
In Oeiras, Brazil, July marks a noticeable shift in humidity, with levels dipping to 66%—the lowest point of the year. This reduction follows a gradual decline from the sweltering highs of 90% in January and 91% in February, demonstrating a trend of decreasing humidity as the year progresses. After peaking in the early months, a steady drop in moisture is evident, culminating in the drier conditions of late summer, where August and September see even lower humidity levels of 58% and 51%, respectively. This seasonal transition not only enhances comfort but also sets the stage for the drier months ahead, showcasing Oeiras's distinct climatic rhythm.
July in Oeiras, Brazil, continues the trend of extreme UV exposure, maintaining a UV Index of 11. This level indicates that even on July’s sunny days, unprotected skin can burn in as little as 10 minutes, making precautionary measures essential. Following a slight decline from the peak of 15 in March, the UV Index remains high through the mid-year months, signifying that residents and visitors alike should be diligent with their sun protection. As the summer progresses, understanding these UV trends is crucial for safe outdoor enjoyment. For more detailed information on Oeiras' UV levels throughout the year, visit Oeiras UV Index.
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In July, Oeiras, Brazil basks in 329 hours of glorious sunshine, contributing to a magnificent mid-year weather pattern. Following a steady climb from January’s 251 hours, the region showcases a remarkable ascent in sun exposure, peaking as the year progresses. Notably, July experiences a slight increase over June’s 325 hours, setting the stage for August’s even sunnier days with 348 hours. This gradual rise in daylight hours reflects a captivating trend that enhances the allure of Oeiras during the winter months, inviting both locals and visitors to relish in the warmth and beauty of its sunlit skies.
In Oeiras, Brazil, July shines as a highlight of the year, boasting a remarkable 77% chance of sunny weather. As the year progresses, the likelihood of sunshine shows a clear upward trend, moving from a modest 23% in January to an impressive 71% in June. This uptick peaks in July, where the warmth and brightness are characteristic of the region, paving the way for even sunnier Augusts at 81%. The ascent in sunny days reflects a vibrant summer atmosphere, inviting locals and visitors alike to bask in the delightful sunshine before the transition into the milder months of September and October. With July's abundant sun, it’s an ideal time to enjoy outdoor activities and soak up the natural beauty of this coastal gem.
In Oeiras, Brazil, July marks a notable moment in the daylight duration calendar, as the region experiences 11 hours of daylight—a continuation of the trend established in June and August. This period reflects the subtropical climate, where daylight varies minimally throughout the year. Following the consistently bright summer months of January through March, with an impressive 12 hours of daylight, there is a gradual tapering off as spring transitions into winter. From April to August, daylight remains constant at 11 hours, offering a balance of light ideal for outdoor activities. As the seasons shift, September ushers back in longer days, signaling a return to 12 hours of sunlight, thus highlighting the rhythmic patterns of daylight that define this vibrant locale.
In July, Oeiras, Brazil, experiences a noticeable uptick in wind activity with an average wind speed of 4.1 m/s (9 mph), marking a significant increase from the preceding months. This trend showcases a gradual escalation in wind speeds as the year unfolds, peaking into the mid-year summer months with winds consistently rising from a gentle 1.8 m/s in January to a breezy 4.6 m/s in August. July's winds not only bring a refreshing ambiance but also hint at the changing climate patterns within the region, making it an ideal time for outdoor activities. As the season progresses, the wind provides a sense of energy and vitality, perfectly complementing Oeiras' vibrant landscape.
Weather in Oeiras varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Oeiras, focusing on differences in temperature, rainfall, humidity, and UV levels.
In Oeiras, July and January present quite different weather experiences. July boasts warmer temperatures with a minimum of 21°C (70°F) and an average high of 38°C (101°F), all while enjoying dry conditions with no recorded precipitation. In stark contrast, January offers slightly cooler temperatures, with a minimum of 22°C (71°F) and an average of 39°C (103°F), but it also brings a significant amount of rain, totaling 82 mm (3.2 in) over 14 days, coupled with higher humidity at 90%. For more details, check Oeiras weather in January.
When comparing the weather in July and February, it becomes clear that these months present distinctly different climates. July boasts warmer temperatures with an average of 29°C (84°F), peaking at a scorching 38°C (101°F) and experiencing no rainfall, resulting in a lower humidity level of 66%. In contrast, February offers slightly cooler temperatures, with an average of 27°C (81°F) and highs reaching 37°C (98°F). However, February is marked by significant rainfall, accumulating 217 mm (8.5 in) over 21 days, which contributes to a higher humidity level of 91%. For more detailed information about February weather, you can check out Oeiras weather in February.
In July, the weather is characterized by warm and dry conditions with temperatures ranging from a minimum of 21°C (70°F) to a maximum of 38°C (101°F) and no recorded precipitation. The average temperature reaches 29°C (84°F) with a humidity level of 66%. In stark contrast, March experiences a much cooler average temperature of 27°C (81°F), with highs up to 35°C (94°F) and substantial rainfall totaling 159 mm (6.3 in) over 22 days. The humidity in March is also significantly higher at 93%, contributing to a more humid atmosphere. For more details, you can check Oeiras weather in March.
In comparing the weather between July and April, July presents a much drier and hotter climate. With minimum temperatures around 21°C (70°F) and average highs reaching 38°C (101°F), it boasts a stark contrast to April, which has a cooler average of 27°C (82°F) and a maximum of 35°C (95°F). Additionally, while July experiences no rainfall with 0 mm of precipitation over the entire month, April sees considerable precipitation, totaling 86 mm (3.4 in) spread over 14 days. The humidity levels also differ, with July at 66% compared to April's higher 92%. For a more detailed look at Oeiras weather during this month, visit Oeiras weather in April.
In both July and May, the temperatures are quite similar, with a minimum of 21°C (70°F) and an average of 29°C (84°F). However, July tends to be slightly hotter, reaching a maximum of 38°C (101°F) compared to May's 37°C (98°F). One notable difference is the weather conditions; July boasts dry skies with no recorded precipitation, while May experiences about 13 mm (0.5 in) of rainfall over three days, contributing to higher humidity levels at 87% compared to July's 66%. For more specific insights, you can check Oeiras weather in May.
In a comparison of weather between June and July, both months exhibited similar average temperatures, with June reaching a minimum of 20°C (69°F) and a maximum of 37°C (98°F), while July had slightly higher extremes with a minimum of 21°C (70°F) and a maximum of 38°C (101°F). Notably, July boasted perfectly dry conditions with no recorded precipitation, while June experienced a modest amount of rainfall at 3 mm (0.1 in). Humidity levels were also notably different, with June being more humid at 77%, compared to July's 66%. For more details, you can visit Oeiras weather in June.
In July, the weather in Oeiras features a minimum temperature of 21°C (70°F) and an average of 29°C (84°F), reaching a maximum of 38°C (101°F). The month is characterized by dry conditions, with no recorded precipitation and an average humidity of 66%. In contrast, August sees slightly milder temperatures, with a minimum of 20°C (68°F) and an average of 30°C (86°F), while still peaking at 38°C (101°F). Like July, August remains dry, boasting no precipitation days and a lower humidity level of 58%. For more details on the weather in August, check out Oeiras weather in August.
July and September exhibit relatively similar minimum temperatures, both hovering around 21°C (70°F). However, September tends to be slightly warmer on average with highs reaching up to 40°C (104°F), compared to July's maximum of 38°C (101°F). Both months experience dry conditions with no recorded precipitation, but September has lower humidity levels at 51%, making the heat feel less oppressive than in July when humidity is at 66%. For more detailed insights, check out Oeiras weather in September.
In July, the weather features warmer temperatures with an average of 29°C (84°F) and a maximum of 38°C (101°F), alongside high humidity at 66% and no recorded precipitation. In contrast, October experiences slightly higher minimum and average temperatures, with a minimum of 23°C (74°F) and an average of 32°C (90°F). However, October introduces some rain, recording 20 mm (0.8 in) over two days, and benefits from lower humidity at 45%. For more details, check out Oeiras weather in October.
In July, Oeiras experiences warm weather with an average temperature of 29°C (84°F) and maximum highs reaching up to 38°C (101°F), all without any recorded precipitation. The humidity is relatively high at 66%, making the air feel warmer. In contrast, November sees a slight increase in minimum temperatures with an average of 30°C (86°F) and maximums touching 39°C (103°F). However, November brings 51 mm (2.0 in) of rainfall over six days, resulting in notably lower humidity at 41%. For more detailed weather information for November, visit Oeiras weather in November.
In July, Oeiras experiences warm temperatures with a minimum of 21°C (70°F) and an average high of 38°C (101°F), but notably, there is no recorded precipitation and the humidity sits at a comfortable 66%. In contrast, December brings slightly higher temperatures with a minimum of 22°C (72°F) and a maximum of 39°C (102°F), along with significant rainfall totaling 81 mm (3.2 in) spread over 10 days, resulting in a humidity level that rises to 67%. For more detailed insights on December weather, you can visit Oeiras weather in December.
In July, Oeiras transforms into a sun-drenched paradise, boasting warm temperatures and a remarkable absence of rainfall. The dry and humid conditions provide an ideal environment for outdoor activities and exploration, making this month stand out from the more varied weather experienced in other times of the year. With maximum temperatures soaring, July invites you to soak up the sun while enjoying the vibrant local culture. For a deeper understanding of the region's climate throughout the year, explore Oeiras Climate.