Last updated: August 21, 2025
In Sendai, Japan, the weather in July presents a warm and humid atmosphere, with maximum temperatures reaching a sizzling 35°C (95°F) and an average of 23°C (74°F). Evenings provide some respite with cooler minimum temperatures of 15°C (60°F). The region experiences heavy precipitation, totaling 232 mm (9.1 in), spread over 18 days, contributing to the high humidity levels that average around 92%. This combination of warmth and moisture creates a vibrant summer environment, ideal for experiencing the lush landscapes and rich cultural events of Sendai during this season.
In July, Sendai experiences its warmest temperatures of the year, making it a vibrant month for locals and tourists alike. With minimums rising to a comfortable 15°C (60°F), the city enjoys an average of 23°C (74°F), ideal for exploring its beautiful parks and cultural sites. The mercury can peak at an impressive 35°C (95°F), highlighting a notable trend of warmth that contrasts sharply with the colder winter months. This significant shift from the preceding months, where temperatures are much cooler, creates a lively atmosphere, encouraging outdoor activities and summer festivals that showcase the region's charm and biodiversity.
July in Sendai, Japan, marks a notable peak in precipitation patterns, with 232 mm (9.1 in) of rainfall spread over 18 days. This substantial increase not only sets July apart as the wettest month of the year but also reflects the onset of the summer rainy season, where the region experiences its highest rainfall totals. Comparatively, June, which precedes July, sees a significantly lower 101 mm (4.0 in) of rain over the same number of days, suggesting a marked escalation in precipitation as the summer months progress. The trend continues into August, reinforcing July's position as a critical player in Sendai's hydrological calendar, where the blend of increased rainfall days and volume prepares the area for the lush, green landscapes characteristic of this vibrant season.
In Sendai, Japan, July marks the peak of humidity, with levels soaring to an impressive 92%. This summer month experiences the highest moisture content in the air, mirroring the trend set in August, which also holds steady at 92%. As the year progresses, humidity fluctuates, starting at 80% in January and dipping slightly in the spring months before climbing sharply in June and reaching its zenith in mid-summer. This annual pattern reflects the broader climatic changes in Sendai, where the transition from the cooler winter months to the warm, humid summer brings a significant rise in atmospheric moisture, creating a distinctly muggy July that precedes the gradual relief of autumn.
In July, Sendai experiences a significant surge in UV radiation, with the UV Index peaking at 11, which falls into the extreme exposure category. This represents a notable increase from previous months, such as June and May, both at very high levels of 10. The result is a reduced burn time of just 10 minutes, prompting residents and visitors to exercise caution when outdoors. This trend emphasizes the importance of sun safety during the summer months in Sendai, reinforcing the need for protective measures. For more detailed insights, check the Sendai UV Index.
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July in Sendai brings a vibrant transition into the heart of summer, showcasing 254 hours of sunshine. While this marks a slight dip compared to June's 280 hours, it still contributes to a lively season, following a steady increase from the cold winter months. As spring blossomed with March reaching 258 hours and April pushing further to 271 hours, the sunny trend peaked in May with 292 hours. However, July’s warmth is perfectly complemented by the sun-soaked days of August, which rebound to 271 hours, maintaining a bright summer ambiance. This rhythmic ebb and flow of sunlight not only highlights the beauty of the changing seasons but also invites residents and visitors alike to embrace the outdoors during these long, sunlit days.
In July, the likelihood of sunny weather in Sendai, Japan takes a dip, with only a 21% chance of clear skies. This trend of reduced sunshine continues from the preceding month of June, which also sits low at 21%. As summer progresses into August, the odds of sunny days only rise slightly to 24%. Interestingly, the sunny potential begins to improve significantly in the late autumn months, with November displaying a notable 55% chance of sunshine. Overall, July stands out as one of the cloudier months, providing a contrast to the brighter days anticipated later in the year.
In Sendai, Japan, July stands out as a month of sustained brightness, with 14 hours of daylight, mirroring the light-filled months of May and June. As the year progresses, daylight gradually increases from 9 hours in January to its peak in summer, reflecting a clear trend of lengthening days as spring turns to summer. Following July, daylight begins to wane, dropping to 13 hours in August and continuing its gentle descent into autumn. This rhythmic transition from longer days in summer to shorter ones in the colder months highlights the vibrant seasonal shifts that characterize Sendai's climate.
In July, the winds of Sendai calm down significantly, with an average speed of just 1.9 m/s (4 mph), marking the slowest wind flow of the year. This gentle breeze contrasts sharply with the blustery gusts of January, which reach an average of 3.0 m/s (7 mph). The overall trend reveals a gradual decline in wind speed as summer settles in, peaking in the preceding months of spring, where April and March maintain a consistent 3.3 m/s. As we move into the hotter months, both June and July show a noticeable decrease, hinting at the tranquil atmosphere that envelops Sendai during peak summer. Interestingly, the winds begin to pick up slightly again in August, leading into the fall, suggesting a seasonal shift that locals and visitors alike anticipate with the changing climate.
Weather in Sendai varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Sendai, focusing on differences in temperature, rainfall, humidity, and UV levels.
July and January present a stark contrast in weather conditions. In July, temperatures soar with a minimum of 15°C (60°F), averaging 23°C (74°F), and peaking at 35°C (95°F), accompanied by high humidity levels at 92%. This month also sees considerable precipitation, with 232 mm (9.1 in) over 18 days, contributing to a muggy atmosphere. In contrast, January experiences frigid conditions with a minimum temperature of -10°C (14°F), averaging 0°C (33°F) and reaching a maximum of 11°C (52°F). Precipitation is significantly lower at 65 mm (2.6 in) across 13 days, and humidity is reduced to 80%. For those interested in a detailed look at winter conditions, you can find more information at Sendai weather in January.
In July, the weather is warm to hot, with temperatures ranging from a cool 15°C (60°F) to a scorching 35°C (95°F) and an average of 23°C (74°F). The month experiences significant rainfall, totaling 232 mm (9.1 in) across 18 days, contributing to a high humidity level of 92%. In stark contrast, February offers a chilly climate, with temperatures fluctuating between a frigid -10°C (14°F) and a mild 15°C (59°F), averaging around 1°C (35°F). Precipitation is much lower in February, with only 53 mm (2.1 in) over 12 days and a humidity level of 79%. For more detailed information about February's weather, you can check Sendai weather in February.
In July, the weather is characterized by warm temperatures, with a minimum of 15°C and an average high reaching 35°C, making it significantly hotter than March, where the average temperature peaks at 20°C and can drop as low as -3°C. While July is marked by high humidity at 92% and substantial rainfall of 232 mm over 18 days, March has a milder humidity level at 77% and less precipitation, totaling 112 mm across 13 days. This stark contrast highlights July as a much warmer and wetter month compared to the cooler, drier conditions of March. For more details on the weather in March, you can visit Sendai weather in March.
July and April present strikingly different weather conditions. In July, temperatures range from a minimum of 15°C (60°F) to a scorching maximum of 35°C (95°F), with an average of 23°C (74°F). The month is characterized by high humidity at 92% and significant rainfall, totaling 232 mm (9.1 in) over 18 days. In contrast, April sees much cooler temperatures, with a minimum of -2°C (29°F) and a maximum reaching 26°C (80°F), averaging around 10°C (50°F). Precipitation is notably lower at 109 mm (4.3 in) over 12 days, along with lower humidity at 75%. For a detailed look at April weather, you can visit Sendai weather in April.
In July, the weather is significantly warmer and more humid compared to May. While July sees temperatures ranging from a minimum of 15°C (60°F) to a scorching maximum of 35°C (95°F), May experiences much cooler conditions with temperatures peaking at 30°C (87°F) and starting at just 4°C (40°F). Additionally, July is noticeably wetter, receiving 232 mm (9.1 in) of precipitation over 18 days, compared to May's 107 mm (4.2 in) over 13 days. The humidity also spikes in July, averaging 92%, whereas May is slightly more comfortable at 80%. For a detailed look at the weather in May, you can visit Sendai weather in May.
In June, temperatures in Sendai are generally milder, with a minimum of 10°C (49°F) and an average of 19°C (67°F), peaking at a maximum of 32°C (89°F). The month sees relatively lower precipitation, totaling 101 mm (4.0 in) over 13 days and a humidity level of 87%. In contrast, July experiences warmer weather with a minimum temperature of 15°C (60°F) and an average of 23°C (74°F), reaching highs of 35°C (95°F). The precipitation increases significantly in July to 232 mm (9.1 in) across 18 days, accompanied by higher humidity at 92%. This shift reflects a transition into the peak of summer, marked by both rising temperatures and increased rainfall. For more details about June weather, you can check Sendai weather in June.
July in Sendai features warm temperatures, with a minimum of 15°C (60°F) and an average of 23°C (74°F), peaking at 35°C (95°F). However, it also sees significant rainfall, accumulating 232 mm (9.1 in) over 18 rainy days and maintaining high humidity levels at 92%. In contrast, August presents a slightly cooler minimum temperature of 14°C (58°F) and a higher average of 25°C (77°F), while still reaching the same maximum of 35°C (95°F). Precipitation decreases to 214 mm (8.4 in) across 20 rainy days, with humidity levels remaining consistent at 92%. For more details, you can refer to Sendai weather in August.
In comparing the weather between July and September, July tends to be much warmer, with temperatures ranging from a minimum of 15°C (60°F) to a scorching maximum of 35°C (95°F) and an average of 23°C (74°F). The month is characterized by high humidity at 92% and significant precipitation, recording 232 mm (9.1 in) over 18 rainy days. In contrast, September presents a cooler climate, with minimum temperatures dropping to 8°C (47°F) and an average temperature of 21°C (69°F), while the maximum reaches 33°C (92°F). This month sees less rainfall, with 150 mm (5.9 in) over 14 days and a slightly lower humidity level of 86%. For more details on the weather in September, you can check Sendai weather in September.
In July, the weather is characterized by high temperatures, with an average of 23°C (74°F) and maximums reaching up to 35°C (95°F), along with high humidity levels at 92%. This month also sees significant rainfall, with 232 mm (9.1 in) of precipitation across 18 days. In contrast, October brings much cooler temperatures, averaging 15°C (59°F) and peaking at 27°C (81°F), with a minimum temperature dropping to 4°C (39°F). Although precipitation is slightly lower at 208 mm (8.2 in), it occurs over fewer days, totaling 12 days, accompanied by lower humidity levels at 82%. For more insights into October weather, you can check Sendai weather in October.
In July, the weather is characterized by warm temperatures, with an average of 23°C (74°F) and highs reaching up to 35°C (95°F). This month experiences significant rainfall, totaling 232 mm (9.1 in) over 18 days, combined with high humidity at 92%. In contrast, November brings a marked chill, with temperatures averaging around 9°C (48°F), and ranging from a low of -3°C (27°F) to a pleasant high of 21°C (69°F). Precipitation during this month is considerably less, averaging 40 mm (1.6 in) over just 9 days, and the humidity drops to 79%. For more detailed information about the weather in November, you can check Sendai weather in November.
In July, the weather is characterized by warm temperatures, ranging from a minimum of 15°C (60°F) to a scorching maximum of 35°C (95°F), with an average temperature of 23°C (74°F). This month also sees significant rainfall, totaling 232 mm (9.1 in) over about 18 days, accompanied by high humidity levels reaching 92%. In contrast, December presents a much chillier atmosphere, with temperatures dropping significantly; it ranges from a minimum of -5°C (23°F) to a maximum of 16°C (61°F), averaging around 3°C (37°F). Precipitation is lighter at 67 mm (2.6 in), occurring over 16 days, while humidity decreases to 80%. For more detailed insights on December weather, you can visit Sendai weather in December.
In July, Sendai experiences a vibrant transformation as temperatures soar, creating a stark contrast to the cooler months. The average temperature reaches a balmy 23°C (74°F), while peak highs can hit a sweltering 35°C (95°F). This summer month not only brings warmth but also significant rainfall, with about 232 mm (9.1 in) of precipitation spread over 18 days, making it one of the wettest months of the year. Coupled with high humidity levels of 92%, July can feel quite muggy compared to the drier, cooler months preceding it. For a detailed look at Sendai's climate throughout the year, visit Sendai Climate.