Last updated: August 21, 2025
July in Nagasaki, Japan presents a vibrant mix of warm temperatures and significant rainfall. The maximum temperature can soar to 32°C (89°F), while the average hovers around a comfortable 26°C (79°F), dipping to a pleasant minimum of 21°C (70°F) during the cooler nights. However, visitors should be prepared for substantial precipitation, with an impressive 442 mm (17.4 in) of rain falling over 18 days, accompanied by a high humidity level of 97%. This blend of warmth and moisture creates a lush, green environment, perfect for exploring the city's beautiful landscapes and rich history.
In July, Nagasaki, Japan experiences a warm embrace from the summer sun, with temperatures ranging from a minimum of 21°C (70°F) to an average of 26°C (79°F), peaking at a sizzling 32°C (89°F). This month marks a significant shift from the cooler spring months, evidenced by the noticeable rise in the minimum temperatures from June’s 18°C (64°F). With the daytime heat intensifying and humidity increasing, July invites both locals and visitors to enjoy outdoor activities, festivals, and the picturesque waterfront. The warmth continues seamlessly into August, establishing a vibrant summer atmosphere in this beautiful coastal city.
In July, Nagasaki experiences its wettest month, with a staggering 442 mm (17.4 in) of precipitation spread over 18 days. This substantial rainfall marks a peak in the summer season, following the trend of rising precipitation that begins in the spring. The steady increase from 61 mm (2.4 in) in January to nearly twice that amount by July underscores the region's shift towards a more humid climate as summer approaches. While June also sees a significant amount of rainfall at 272 mm (10.7 in), the jump to July emphasizes the intensity of the rainy season. As it transitions into August, precipitation decreases to 326 mm (12.8 in), yet the pattern of rainy days remains high, illustrating that Nagasaki's summer is characterized by frequent showers that nourish the lush landscapes of this vibrant coastal city.
In Nagasaki, July marks the peak of summer, accompanied by a sweltering humidity level of 97%. This significant spike follows an upward trend throughout the warmer months, beginning with April's 79% and rising through May's 87% and June's 91%. The high humidity in July can create a sultry atmosphere, making the city feel particularly warm and sticky. The even slightly lower levels in August, at 94%, indicate that while the humidity remains high, it begins to taper off as summer transitions into fall. Overall, the data illustrates how Nagasaki's humidity peaks during the summer months, deeply influencing the city's climate and local experiences.
In July, Nagasaki, Japan, experiences its peak UV Index, reaching a striking 12, which falls under the extreme exposure category. With a burn time of just 10 minutes, it's crucial for residents and visitors alike to take protective measures against the sun's intense rays. This month's index reflects a consistent pattern observed since April, where the UV levels remain particularly high, emphasizing the need for vigilance during the summer months. As we transition from spring to summer, the trend shows an increasing intensity, with July sharing the same extreme classification as August and June. To learn more about the UV conditions and stay safe, check out the Nagasaki UV Index.
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In Nagasaki, July shines brightly with 271 hours of sunshine, contributing to a vibrant summer atmosphere. This month follows a trend of steadily increasing daylight, peaking after June's 260 hours and leading into August, which boasts an impressive 302 hours. As the year progresses, it's clear that spring and summer are the sunniest seasons, creating perfect conditions for outdoor activities and sightseeing. The gradual rise in sunny days from January's low of 167 hours to the notable summer figures highlights Nagasaki's delightful transition into warmth and vitality, inviting both locals and tourists to bask in its radiant charm.
In Nagasaki, Japan, the likelihood of sunny weather significantly drops in July, with forecasts predicting only a 20% chance of sunshine. This trend marks a sharp decline from the sunnier spring months, such as April and March, which enjoy about 42% and 38% chances of clear skies, respectively. Following July, the clouds begin to part again in August with a slight rebound to 30%, but the weather remains less predictable compared to the more favorable conditions found later in the year, particularly in October, where sunny days become much more prominent at 65%. As the summer peaks, residents and visitors can expect a marked increase in humidity and precipitation, making July one of the more overcast months in the region.
In Nagasaki, Japan, July marks the pinnacle of daylight availability, providing residents with 14 hours of sunshine to embrace the summer’s warmth. Building on a steady increase from 10 hours in January, the month of July showcases the peak of daylight, which remains consistent with June. As summer progresses into August, daylight begins to wane slightly to 13 hours, gently signaling the transition towards autumn. This trend demonstrates a clear seasonal rhythm in Nagasaki, where longer days in May and June give way to a gradual decrease without abrupt shifts, allowing for a smooth seasonal progression that invites both exploration and relaxation under the sun.
In Nagasaki, Japan, July brings a gentle breeze, with an average wind speed of 3.5 m/s (8 mph). This marks a slight uptick from the mellow currents of June, where winds were at their calmest of the year. The transition from the cooler spring months shows a gradual increase in wind speed, peaking in late summer, as evidenced by August's 4.2 m/s (9 mph). Overall, July stands as a moderate point in Nagasaki's wind patterns, providing a welcoming contrast to the earlier, stiller days of summer. As the year progresses, the winds regain strength, reminding us of nature's rhythmic ebb and flow.
Weather in Nagasaki varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Nagasaki, focusing on differences in temperature, rainfall, humidity, and UV levels.
July and January present stark contrasts in weather, with July being the height of summer characterized by high temperatures, averaging around 26°C (79°F) and peaking at 32°C (89°F). The month is also marked by heavy rainfall, with 442 mm (17.4 in) recorded over 18 days, contributing to a high humidity level of 97%. In contrast, January brings a chillier climate, with temperatures ranging from a minimum of 0°C (32°F) to an average of 8°C (47°F) and a maximum of 18°C (65°F). This winter month sees significantly less precipitation, totaling just 61 mm (2.4 in) across 8 days, and lower humidity at 73%. For more details, you can explore the specific conditions of Nagasaki weather in January.
July and February present a striking contrast in weather conditions. July boasts a warm climate with minimum temperatures around 21°C (70°F) and maximums reaching up to 32°C (89°F), combined with high humidity levels of 97%. In contrast, February is much cooler, with temperatures ranging from a minimum of 0°C (33°F) to a maximum of 17°C (63°F), and an average temperature of only 9°C (48°F). Additionally, July sees significantly more rainfall, with 442 mm (17.4 in) over 18 days, compared to February's 106 mm (4.2 in) spread over just 10 days. This dramatic difference in temperature and precipitation highlights the seasonal variability in Nagasaki's climate. For more detailed insights, you can visit Nagasaki weather in February.
In comparing the weather of July and March, it is evident that July is significantly warmer, with temperatures ranging from a minimum of 21°C (70°F) to a maximum of 32°C (89°F), averaging around 26°C (79°F). This summer month also experiences high humidity levels at 97% and substantial precipitation, totaling 442 mm (17.4 in) over 18 days. In contrast, March is much cooler, with temperatures ranging from a chilly 5°C (41°F) to a maximum of 20°C (68°F), averaging only 12°C (54°F). Precipitation is less in March, at 157 mm (6.2 in) spread over 12 days, and humidity is lower at 71%. For more details, you can check out Nagasaki weather in March.
The weather in July is significantly warmer and more humid compared to April. In July, temperatures range from a minimum of 21°C (70°F) to a maximum of 32°C (89°F), with an average of 26°C (79°F). In stark contrast, April sees much cooler temperatures, with a minimum of 7°C (46°F), an average of 15°C (60°F), and a maximum of just 23°C (73°F). Additionally, July experiences much higher precipitation, totaling 442 mm (17.4 in) over 18 days, whereas April has only 143 mm (5.6 in) over 9 days. The humidity also rises in July, reaching a staggering 97%, compared to April's more comfortable 79%. For more details, you can check Nagasaki weather in April.
In comparison to May, July's weather is significantly warmer and more humid. The average temperature in July reaches 26°C (79°F), peaking at 32°C (89°F), while May's temperatures are milder, with an average of 19°C (67°F) and a maximum of 25°C (77°F). Additionally, July experiences considerably more precipitation, totaling 442 mm (17.4 in) over 18 days, compared to May's 229 mm (9.0 in) over just 11 days. The humidity also rises in July to 97%, making it feel much stickier than May's 87%. For those interested in more details, check out Nagasaki weather in May.
In comparing the weather conditions of June and July, July tends to be warmer and more humid. The average temperature in July reaches 26°C (79°F), with maximums peaking at 32°C (89°F), whereas June's averages are slightly cooler, ranging from a minimum of 18°C (64°F) to an average of 22°C (73°F) and a maximum of 27°C (81°F). Additionally, July experiences significantly more rainfall, with 442 mm (17.4 inches) over 18 days compared to June's 272 mm (10.7 inches) over 14 days. Humidity also increases in July, reaching 97%, up from June's 91%. For more detailed information about June weather, you can check Nagasaki weather in June.
In comparing the weather of July and August, July experiences slightly cooler temperatures with an average of 26°C (79°F), while August warms up to an average of 28°C (82°F). The maximum temperatures in both months are similar, with July reaching up to 32°C (89°F) and August peaking at 33°C (93°F). Precipitation is notably heavier in July, with 442 mm (17.4 in) over 18 days compared to August's 326 mm (12.8 in) over 14 days. Humidity levels remain high throughout both months, though July's humidity is slightly higher at 97% compared to August's 94%. For more details on August weather, visit Nagasaki weather in August.
In July, the weather is characterized by higher temperatures and significant rainfall, with average temperatures around 26°C (79°F) and frequent precipitation registered on 18 days totaling 442 mm (17.4 in). Humidity levels soar to 97%, making the heat feel quite intense. In contrast, September shows a slight cooling trend, with temperatures ranging from a minimum of 19°C (66°F) to an average of 25°C (77°F). Precipitation decreases markedly to 225 mm (8.9 in) over 14 days, and humidity drops to a more comfortable 84%. This shift creates a more pleasant outdoor experience, making September a more favorable time for outdoor activities. For a detailed overview of September’s weather, you can visit Nagasaki weather in September.
In July, temperatures in Nagasaki reach a minimum of 21°C (70°F) and soar to a maximum of 32°C (89°F), with an average temperature of 26°C (79°F). The month experiences significant rainfall, accumulating 442 mm (17.4 in) over 18 days, alongside a high humidity level of 97%. In contrast, October brings a noticeable shift in the weather, with cooler temperatures ranging from a minimum of 14°C (57°F) to a maximum of 28°C (83°F), averaging at 20°C (69°F). Precipitation decreases substantially to 117 mm (4.6 in), falling over just 8 days, and humidity levels drop to 79%. For a more in-depth look at October weather conditions, you can refer to Nagasaki weather in October.
In July, the weather is characterized by high temperatures, with a minimum of 21°C (70°F) and an average of 26°C (79°F), peaking at 32°C (89°F). This month also sees significant rainfall, with 442 mm (17.4 in) of precipitation spread over 18 days, resulting in a high humidity level of 97%. In contrast, November presents a much cooler climate, with temperatures ranging from a minimum of 8°C (46°F) to a maximum of 23°C (74°F) and an average of 15°C (60°F). Precipitation drops significantly to 81 mm (3.2 in) over just 9 days, and humidity levels are more moderate at 75%. For more detailed information, you can check Nagasaki weather in November.
July and December present stark contrasts in weather conditions. In July, temperatures soar with a minimum of 21°C (70°F), averaging around 26°C (79°F), and peaking at 32°C (89°F). This month is also characterized by high humidity at 97% and significant rainfall, with 442 mm (17.4 in) falling over 18 days. In contrast, December experiences much cooler temperatures, with a minimum of 2°C (36°F) and an average of 10°C (51°F), climbing to a maximum of 22°C (71°F). Precipitation is notably less during this month, totaling 92 mm (3.6 in) over just 8 days, accompanied by a more moderate humidity level of 72%. For a detailed look at December weather in Nagasaki, visit Nagasaki weather in December.
As July sweeps into Nagasaki, the weather transforms into a warm and humid experience, distinguishing itself from the cooler months that precede it. Residents and visitors alike can expect high temperatures paired with a significant amount of rainfall, as the city sees nearly twenty days of precipitation throughout the month. This surge in humidity, reaching an impressive 97%, contributes to the overall tropical feel, making July one of the most clammy and vibrant times to explore the area. For those looking to delve deeper into what weather awaits, check out Nagasaki Climate for a comprehensive look at the city's conditions throughout the year.