Last updated: February 24, 2025
Experience the delightful July weather in Lisbon, Portugal, where the sun shines brightly with maximum temperatures reaching up to 31°C (87°F) and an inviting average of 20°C (68°F). Revel in warm evenings as the temperature rarely dips below 15°C (59°F), creating the perfect atmosphere for outdoor activities and exploration. With minimal precipitation amounting to just 5 mm (0.2 in) and no rainy days, you can enjoy the beauty of Lisbon’s historic streets without interruption. The air holds a comfortable 60% humidity, making it an ideal time to soak in the vibrant culture and stunning landscapes this enchanting city has to offer.
In July, Lisbon basks in the warmth of summer, with temperatures reaching a delightful average of 20°C (68°F). Daytime highs can soar to a pleasant 31°C (87°F), making it an ideal time for outdoor adventures and sun-soaked days at the beach. Evenings are mild, as the mercury doesn’t dip below 15°C (59°F), allowing for comfortable twilight strolls through the city’s vibrant streets. Compared to the milder months preceding it, July showcases a remarkable increase in warmth, creating a perfect blend of sun and sea that attracts travelers from around the globe to experience the charm of Portugal's capital.
In July, Lisbon basks in the height of summer, with precipitation levels plummeting to just 5 mm (0.2 in), marking it as one of the driest months of the year. Remarkably, the city enjoys a dry spell, recorded with zero days of rainfall, allowing locals and tourists alike to fully embrace the sun-soaked streets and vibrant outdoor life. This trend of minimal rain continues into August, reinforcing the notion that mid-summer in Lisbon is a time for sun-drenched adventures rather than showers. As the months progress towards fall, precipitation gradually rises again, but July stands out for its clear blue skies and leisurely summer vibes, making it an ideal time to explore the city’s picturesque landscapes.
In Lisbon, Portugal, July marks a notable shift in humidity levels, dropping to 60%, which is a significant decrease from the much higher averages seen in the earlier months of the year. This decline in humidity, following a pattern that begins in June, brings a refreshing change as the city basks in the warmth of summer. Notably, both July and August share this moderate humidity, providing a comfortable atmosphere for locals and tourists alike. As summer rolls into fall, humidity levels start to rise again in September, hinting at the return of the more humid weather typical of Lisbon's autumn months. This trend highlights the city's transition from the pleasantly dry warmth of summer to the more humid conditions that define much of the rest of the year.
In July, Lisbon experiences a UV Index of 10, categorizing it as very high, with a burn time of just 15 minutes for unprotected skin. This trend reflects the peak of summer, where the city's sunny disposition brings both warmth and the need for sun protection. Following a sharp rise from a moderate index of 3 in January to an extreme level of 11 in June, July’s UV intensity slightly eases, yet remains critical. As the summer progresses, the UV Index gradually declines into August and September, but stays within the very high range. Visitors are strongly advised to take precautions, such as wearing sunscreen and protective clothing, to enjoy the vibrant outdoor life safely. For more detailed information, check out the Lisbon UV Index.
UV Risk Categories
July in Lisbon basks in a glorious 423 hours of sunshine, making it a peak month for sunlight. Following a steady increase from the 182 hours in January to 411 hours in June, July transforms the city into a radiant haven, perfect for exploring its historic streets and vibrant terraces. This month stands out not only for its extensive sunshine but also for setting the stage for a gradual decline into August, which still boasts an impressive 396 hours. The sun-kissed days of July embody the soul of Lisbon, inviting visitors to soak up its warmth before the days subtly shorten toward autumn.
When it comes to enjoying the sun in Lisbon, July shines brightly with a 73% chance of sunny weather, marking it as one of the sunniest months of the year. This trend reflects a steady increase in sunshine from the cooler months, starting with January's 46% and climbing through the spring. As we move from February's 23% to March's 60%, and onward to June's 66%, it becomes clear that the summer kicks in just in time for July, providing ample opportunity for outdoor adventures and relaxation. Following closely is August at 72%, indicating that the sunny allure continues into mid-summer. With September still enjoying a favorable 63%, Lisbon’s vibrant summer weather truly stands out, making it an ideal time for sun-seekers.
As July unfolds in Lisbon, the city basks in a delightful 14 hours of daylight, perfectly mirroring the brightness of the preceding months of June and May. This peak in daylight duration marks a culmination of increasing hours that began back in January with only 9 hours. As the months progressed, daylight steadily lengthened, offering residents and visitors alike a rich canvas to engage in outdoor activities and explore the vibrant culture of this coastal city. The gradual decline begins in August, hinting at the approaching autumn, but for now, the long, sun-drenched days of July invite joy and adventure under the Mediterranean sun.
In July, Lisbon experiences a brisk average wind speed of 5.7 m/s (13 mph), slightly higher than in previous months, marking a noticeable rise that contributes to the city's vibrant summer atmosphere. This trend of increasing winds begins in May and remains steady through June, peaking in July before tapering off in August. The uptick in wind speed not only brings a refreshing breeze to sun-drenched afternoons but also enhances the lively spirit of outdoor activities, making it an invigorating time to explore the coastal beauty of Portugal's capital. As summer transitions, the winds gradually calm down, creating a seamless flow from the excitement of July into the more tranquil months ahead.
The weather in Lisbon changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of July's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Lisbon and find detailed weather information for every month.
In comparing the weather between July and January, July features warmer temperatures, with an average of 20°C (68°F) and maximums reaching up to 31°C (87°F), providing a dry climate with only 5 mm of precipitation and no rainy days. In contrast, January is much cooler, with average temperatures of 12°C (53°F), and maximums around 19°C (66°F), accompanied by a higher level of humidity at 85% and about 37 mm of rainfall distributed over five days. For more detailed insights, you can check Lisbon weather in January.
July and February present contrasting weather patterns. In July, temperatures range from a comfortable minimum of 15°C (59°F) to a warm maximum of 31°C (87°F), with an average of 20°C (68°F). This month is notably dry, receiving only 5 mm (0.2 in) of precipitation over no rainy days and maintaining a humidity level of 60%. Conversely, February experiences cooler temperatures, with a minimum of 5°C (41°F) and a maximum of 21°C (70°F), averaging 13°C (55°F). The month is much wetter, bringing in 53 mm (2.1 in) of precipitation across 7 rainy days, along with a higher humidity level of 75%. For more details on February weather, you can visit Lisbon weather in February.
When comparing the weather in July and March, the differences are quite pronounced. July enjoys warmer temperatures with a minimum of 15°C (59°F) and an average of 20°C (68°F), peaking at a maximum of 31°C (87°F). In contrast, March is cooler, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 23°C (73°F) and an average of 14°C (57°F). Additionally, July experiences very little precipitation, averaging just 5 mm (0.2 in) without any rainy days, while March is much wetter, with 66 mm (2.6 in) of rainfall over 8 days. Humidity levels are higher in March at 72%, compared to July's 60%. For a detailed look at March weather, you can check out Lisbon weather in March.
When comparing the weather in July and April, it's clear that July offers significantly warmer temperatures, with a minimum of 15°C (59°F) and an average of 20°C (68°F), peaking at 31°C (87°F). In contrast, April experiences cooler temperatures, ranging from a minimum of 8°C (46°F) to a maximum of 24°C (75°F) and an average of 15°C (59°F). Additionally, July is quite dry with only 5 mm of precipitation over 0 days, while April is much wetter, receiving 73 mm of rain across 12 days. Despite the lower temperatures, April's humidity is slightly higher at 70%, compared to July's 60%. For more detailed information, you can check the Lisbon weather in April.
In comparing the weather of July to May, July boasts warmer temperatures, with a minimum of 15°C (59°F) and an average of 20°C (68°F), reaching a maximum of 31°C (87°F). In contrast, May has cooler conditions, starting with a minimum of 10°C (50°F) and an average of 17°C (63°F), while also nearing a high of 30°C (86°F). Additionally, July enjoys dry weather with no recorded precipitation, while May experiences some rain, totaling 36 mm (1.4 in) over four days. This results in July being both warmer and less humid, with a humidity level of 60%, compared to May's 70%. For more detailed insights about May weather in Lisbon, you can visit Lisbon weather in May.
In comparing the weather of July and June, July tends to be slightly warmer with an average temperature of 20°C (68°F), up from June's average of 18°C (66°F). Both months experience relatively low precipitation, but July has the edge with no recorded rain, resulting in a drier climate compared to June's 11 mm of rainfall over three days. Additionally, while the maximum temperature in July reaches 31°C (87°F), June boasts a slightly higher maximum at 32°C (90°F). Humidity levels are also comparable, with July averaging 60% and June at 63%. For more details on June's weather, you can visit Lisbon weather in June.
In comparing the weather between July and August, we see that both months offer warm conditions with minimal rainfall. July boasts temperatures ranging from a minimum of 15°C (59°F) to a maximum of 31°C (87°F), while August experiences slightly higher temperatures, with a minimum of 16°C (61°F) and a peak of 35°C (95°F). Both months report negligible precipitation, with July seeing 5 mm (0.2 in) and August only 3 mm (0.1 in), contributing to their dry profiles. Humidity remains steady at 60% for both months, ensuring a warm, albeit comfortable atmosphere. For more details on August weather specifically, you can visit Lisbon weather in August.
July and September showcase notably similar average temperatures, with both months averaging around 20°C (68°F). However, July tends to be warmer with maximum temperatures reaching 31°C (87°F), compared to September's peak of 29°C (84°F). In terms of precipitation, July remains quite dry with only 5 mm over the course of the month and no rainy days, while September experiences more moisture, accumulating 27 mm of rain over two days. Additionally, September exhibits slightly higher humidity levels at 67% compared to July's 60%. For more detailed weather insights, you can check Lisbon weather in September.
In July, the weather is warm and relatively dry, with average temperatures around 20°C (68°F) and maximums reaching up to 31°C (87°F). Humidity levels sit at a comfortable 60%, making it an ideal time for outdoor activities with practically no rainfall. In contrast, October experiences cooler temperatures, with averages dropping to 18°C (65°F) and maximums capping at 28°C (82°F). However, it is also much wetter, with 46 mm (1.8 in) of precipitation over five days and increased humidity at 74%. For more information on October weather, check out Lisbon weather in October.
In comparing the weather of July and November, July stands out with its warm temperatures, averaging around 20°C (68°F) and peaking at 31°C (87°F), alongside minimal precipitation of just 5 mm over no rainy days. This month enjoys a lower humidity level of 60%, making it feel relatively comfortable despite the heat. In contrast, November brings cooler temperatures, with an average of 15°C (59°F) and highs of 23°C (73°F). The month is significantly wetter, recording about 80 mm of precipitation over 11 days, along with a higher humidity level of 83%. This shift not only marks a transition to a cooler season but also indicates an increase in gloomy and rainy days. For more detailed insights about November weather, you can check out Lisbon weather in November.
In July, the weather is typically warm and dry, with temperatures ranging from a pleasant 15°C (59°F) at night to a maximum of 31°C (87°F) during the day. With an average temperature of 20°C (68°F) and only 5 mm (0.2 in) of precipitation over no rainy days, the humidity is moderate at 60%. In stark contrast, December brings cooler temperatures, with a minimum of 6°C (43°F) and a maximum of 18°C (65°F), averaging around 13°C (56°F). This month sees significantly more precipitation, totaling 62 mm (2.4 in) across 8 days, and higher humidity levels at 85%. For more details, check out Lisbon weather in December.
In July, Lisbon basks in warm and dry conditions, setting it apart from the cooler and wetter months preceding it. With minimal precipitation and average temperatures rising to a pleasant 20°C, the city radiates a vibrant atmosphere perfect for exploration. The low humidity further enhances the comfortable experience, making it an ideal time for sunbathing or wandering through historic streets. As the summer peaks, visitors can expect long, sunlit days perfect for enjoying the beauty of the capital. For a deeper dive into what this month has to offer, check out Lisbon Climate.