Last updated: January 18, 2025
Ōsaka, Japan, features a Cfa Köppen-Geiger climate classification, characterized by its humid subtropical climate. This region experiences a broad spectrum of temperatures, with winter lows plummeting to a minimum of -6°C (22°F) in January, contrasting sharply with the summer peaks that can reach up to 39°C (103°F) in August. The average annual temperature hovers around 17°C (63°F), reflecting the city's distinctive seasonal variations that offer both chilly winters and sweltering summers. This climatic diversity not only influences daily life but also shapes local ecosystems and urban planning.
In Ōsaka, Japan, temperature patterns exhibit a distinct seasonal rhythm, beginning with cold winter months where January sees minimum temperatures drop to -6°C (22°F) and average around 6°C (43°F). As winter transitions to spring, March marks a gradual warming, with average temperatures rising to 10°C (51°F), paving the way for the more temperate conditions of April and May, where averages reach 15°C (59°F) and 20°C (68°F) respectively. The onset of summer in June introduces warmer weather, with average temperatures climbing to 23°C (74°F), peaking in August at a sweltering 29°C (85°F). The late summer and early fall months of September and October maintain high averages around 25°C (77°F) and 19°C (67°F), before the temperatures dip again in November and December, returning to winter-like conditions. This cyclical temperature shift profoundly influences the region’s climate, culture, and lifestyle throughout the year.
Ōsaka, Japan, experiences a varied precipitation pattern throughout the year, with notable spikes particularly during the warmer months. January and February are relatively dry, receiving 50 mm (2.0 in) and 63 mm (2.5 in) respectively, each experiences precipitation over about 6 days. As spring arrives, March sees a significant increase in rainfall, escalating to 110 mm (4.3 in) over 10 days, and this upward trend continues into April and May, where precipitation reaches 128 mm (5.0 in) and 148 mm (5.8 in) respectively. By the time June rolls around, rainfall peaks at 158 mm (6.2 in), setting the stage for the monsoon-like conditions typical of summer.
The summer months witness the highest precipitation levels, particularly in July, which records a striking 276 mm (10.9 in) over 17 days, creating a humid environment. While August brings a decline with 170 mm (6.7 in) over 11 days, September maintains substantial rainfall at 168 mm (6.6 in) across 14 days. Autumn months further contribute to the precipitation totals, with October averaging 236 mm (9.3 in) over 11 days. This seasonal cycle culminates in a return to lower precipitation levels in November and December, with 47 mm (1.8 in) and 60 mm (2.4 in) respectively, each experiencing a reduced number of rain days. The variability in precipitation not only impacts local agriculture but also influences the overall climate dynamics of the region.
In Ōsaka, Japan, sunshine duration displays a clear seasonal trend, characterized by a steady increase from the depths of winter to the height of summer. January begins the year with 186 hours of sunshine, gradually rising through February to 231 hours. This upward trajectory continues into spring, where March and April see 266 and 281 hours respectively, creating an inviting environment as nature begins to bloom. The month of May witnesses the first significant peak with 293 hours of sunshine, setting the stage for the sun-intensive days of summer.
As summer unfolds, August emerges as the standout month, boasting the highest sunshine duration of the year at 309 hours, making it a vibrant time for outdoor activities and festivals. Following this peak, the sunshine starts to taper off, with September recording 245 hours and October slightly declining to 239 hours. The transition into autumn continues with November and December registering 238 and 223 hours respectively, indicating a clear reduction of daylight as the year closes. Overall, the shifting patterns of sunshine not only reflect seasonal changes but also highlight the contrasting opportunities for recreation and natural beauty throughout the year in Ōsaka.
In Ōsaka, Japan, the UV Index reflects significant seasonal variability, with values peaking during the summer months. Beginning the year in January with a moderate UV Index of 4, residents experience a safe burn time of 30 minutes. As winter gives way to spring, February sees an increase to a high UV Index of 6, necessitating more careful sun protection. By March, the UV Index escalates to 8, categorized as very high, promoting vigilance against sun exposure, with burn times decreasing to just 15 minutes. The transition into April heralds a dramatic shift, with the UV Index soaring to 11 and remaining at this extreme level through May and June.
The summer months of July and August further intensify UV exposure, with the UV Index reaching its peak at 12; during this period, the burn time is reduced to a mere 10 minutes. As summer fades into autumn, a noticeable decline occurs, with September recording a UV Index of 10, classified as very high with a burn time of 15 minutes. The autumn months of October and November see a moderate UV Index of 7 and 6, respectively, allowing for a safer burn time of about 25 minutes. Finally, December returns to a moderate UV Index of 4, similar to the beginning of the year, highlighting the seasonal shift in sun exposure concerns for the residents of Ōsaka.
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In Ōsaka, Japan, daylight duration showcases an annual cycle that reflects the changing seasons, beginning with shorter days in winter. January and February both average about 10 hours of daylight, providing limited sunlight that gradually tantalizes the early signs of spring. March marks the onset of longer days, increasing to 11 hours, and by April, daylight reaches 13 hours, coinciding with the peak bloom of cherry blossoms. This increase continues into May and June, where daylight extends to 13 and 14 hours respectively, offering ample time for outdoor activities and fostering a sense of vitality as nature awakens.
The summer months of July and August maintain a steady 14 hours of daylight, allowing for vibrant days filled with sunlight. As autumn approaches, the duration begins to taper off, with September dropping slightly to 12 hours and October further decreasing to 11 hours. By November, daylight returns to 10 hours, and December dips to a shorter 9 hours, marking the arrival of winter and a reduction in available sunlight. This annual fluctuation in daylight not only influences daily life and activities in Ōsaka but also invites residents to adapt their routines according to the seasonal rhythm of light.
Ibaraki, Japan experiences a varied climate throughout the year, with January temperatures ranging from -3°C to 18°C and warming up to a peak in July and August, where maximums reach 37°C and 38°C respectively. The region sees significant rainfall, particularly in July with 282 mm, while drier months like November and December record lower precipitation levels of 44 mm and 57 mm. Sunshine hours are plentiful, peaking in August with 305 hours, contributing to warm and humid summers. For more detailed information, visit Ibaraki climate.
Kishiwada, Japan experiences a temperate climate with distinct seasonal variations. Winters are mild, averaging around 6°C (44°F) in January, while summers can be quite hot, reaching averages of 27-29°C (82-85°F) in July and August, peaking at 38°C (101°F). The region receives significant precipitation, particularly in July with 286 mm (11.3 in), and enjoys ample sunshine, especially in August with 315 hours. This combination creates an environment that is humid in summer and relatively dry in winter. For more details, visit the Kishiwada climate.
Mino, Japan experiences a humid subtropical climate with four distinct seasons. Winters are cool, with January temperatures ranging from -3°C to 18°C, and less precipitation (46 mm), while summers are hot and humid, peaking in July with temperatures averaging 28°C and significant rainfall of 282 mm. The region enjoys substantial sunshine, especially in August with 305 hours, contributing to warmer spring and summer months. Mino's climate highlights the transition from chilly winters to hot, humid summers, making it an interesting destination year-round. For more details, visit Mino climate.
Osaka experiences a temperate climate characterized by distinct seasons. Winters can be chilly, with January temperatures ranging from -3°C to 18°C, while summers are hot and humid, peaking in July and August with averages around 28°C to 29°C. Precipitation is highest in July, with 282 mm, contributing to Osaka's humid summer weather; the annual rainfall is distributed fairly evenly throughout the year. Despite the rain, the city enjoys ample sunshine, especially in August, which boasts around 305 hours. For more detailed information, visit Osaka climate.
Umeda, Japan experiences a distinct climate characterized by cold winters and hot, humid summers. January and February witness minimum temperatures around -3°C (26°F), while July and August can reach highs of 37°C (99°F) and 38°C (101°F), respectively. Rainfall peaks in July with 282 mm (11.1 in) and remains significant through the summer months, while April and May are notably wet as well. Sunshine is plentiful, especially in August, reaching 305 hours, making it the sunniest month of the year. For more detailed weather information, visit Umeda climate.
In conclusion, the climatic and environmental patterns in Ōsaka, Japan, are characterized by distinct seasonal variations in temperature, precipitation, sunshine duration, UV Index, and daylight hours. From the cold winters that give way to warm, sun-drenched summers, the city showcases an incredible diversity that shapes both the natural landscape and the lifestyle of its inhabitants. Awareness of these climatic trends is essential, particularly when managing outdoor activities or health considerations related to UV exposure. Ultimately, the interplay of these factors contributes to the rich cultural experiences and day-to-day realities that define life in this vibrant urban center throughout the year.