Last updated: January 18, 2025
Fukushima, Japan, features a compelling climate characterized by the Koppen-Geiger classifications of Dfb (Temperate Continental) and Cfa (Humid Subtropical). The region experiences significant temperature variations, with winter lows plunging to a frigid -18°C (0°F) in February, juxtaposed against sweltering summer highs that can soar up to 36°C (97°F) in August. The annual average temperature hovers around a moderate 12°C (54°F), offering a unique climatic tapestry that influences both the local ecosystem and human activities throughout the year.
Fukushima, Japan, experiences distinctly seasonal temperature patterns marked by cold winters and warm summers. January and February see the coldest conditions, with minimum temperatures reaching as low as -18°C (0°F) and averages around 1°C (35°F), while maximums only mildly rise to the mid-teens. As spring approaches in March and April, temperatures gradually climb, with March averaging 5°C (42°F) and peaking at 23°C (73°F), while April pushes the average to 10°C (50°F) and maximums nearing 28°C (83°F). The warmth intensifies in May through August, where averages soar to 25°C (77°F) in August alongside maximums that can reach 36°C (97°F). The transition to autumn in September again brings moderate temperatures, with averages around 20°C (69°F), before cooling down in October and November, where minimums dip back into the negatives, reflecting the full cycle of temperature variation throughout the year.
Aizu-Wakamatsu experiences a minimum temperature of -11°C (12°F) in January and can reach a maximum of 34°C (94°F) in August, while Fukushima sees slightly colder winter temperatures, dipping to -13°C (9°F) in January, with a summer peak of 35°C (95°F). Inawashiro mirrors Aizu-Wakamatsu’s winter lows of -11°C (12°F) in January and summer highs of 34°C (94°F). For more detailed temperature information, visit monthly temperatures in Aizu-Wakamatsu, monthly temperatures in Fukushima, and monthly temperatures in Inawashiro.
Fukushima, Japan, exhibits a varied precipitation pattern throughout the year, with the rainy season typically peaking during the summer months. In July, the region experiences its highest rainfall, accumulating an impressive 247 mm (9.7 in) over approximately 20 rainy days, followed closely by September with 156 mm (6.2 in) across 15 days. The preceding months of March, April, and May also demonstrate significant rainfall, collectively contributing to the vibrant spring bloom, with averages around 125 mm (4.9 in) and 112 mm (4.4 in), respectively.
Conversely, the winter months see a reduction in precipitation, with January recording 66 mm (2.6 in) and February at 58 mm (2.3 in), both distributed over roughly 11 days. November and December witness further declines, with November bringing only 53 mm (2.1 in). Despite these lower totals, the overall distribution shows a clear trend toward increased precipitation as temperatures rise, highlighting the transition from winter's dry spell to the lush, wetter conditions typical of summer in Fukushima.
Fukushima, Japan, showcases a clear seasonal trend in sunshine duration, with notable increases as winter transitions to spring and finally to summer. Beginning with 169 hours of sunshine in January, the months of February and March steadily climb to 219 hours and 259 hours, respectively. April and May mark a peak, with sunshine hours reaching 273 and 289 hours, underscoring the vibrant conditions that spring brings to the region. This rise is complemented by the mild temperatures that encourage outdoor activities and highlight the stunning natural beauty of Fukushima during this period.
As summer unfolds, sunlight remains abundant but begins to taper off slightly, with July boasting 253 hours and August retaining a strong 282 hours before shifting back into the fall season. September sees a decline to 239 hours, while October and December present the least sunlight of the year, with 206 hours and 204 hours, respectively. Notably, November shows a resurgence to 222 hours, indicating a brief reprieve before winter sets in. Overall, the clear trend demonstrates how Fukushima transforms its daylight hours in harmony with seasonal changes, providing both residents and visitors with varied opportunities to enjoy the outdoors throughout the year.
The UV Index in Fukushima, Japan, exhibits significant seasonal fluctuations, reflecting the changes in sun intensity as the year progresses. During the winter months of January and February, residents experience a moderate UV Index of 4 and 5, with a burn time of 30 minutes. As spring arrives, there is a notable rise; by March, the UV Index escalates to 8, categorized as very high, requiring caution with a reduced burn time of 15 minutes. This trend continues into April and May, where the index reaches its peak at 10, prompting increased vigilance against sun exposure.
The summer months intensify the UV threat further, with June, July, and August recording extreme UV Index levels of 11 and 12 respectively, diminishing the burn time to just 10 minutes. September sees a slight decrease to a very high level of 10, while October drops to 7, indicating a high exposure risk with a longer burn time of 25 minutes. By November and December, the UV Index returns to moderate levels of 5 and 3, with burn times extending to 30 minutes once again. These variations highlight the importance of sun safety practices, especially during the spring and summer months when UV radiation is at its most potent.
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In Fukushima, Japan, daylight duration varies considerably throughout the year, reflecting the distinct seasons experienced in the region. Beginning the year in January, daylight lasts for approximately 9 hours, gradually increasing to 10 hours in February and reaching 11 hours by March as spring approaches. The transition into longer days becomes more pronounced in April, where daylight extends to 13 hours and peaks at 14 hours in both May and June, allowing for ample time to enjoy the outdoors during the pleasant spring and early summer months.
As summer progresses into late August, daylight begins to shorten slightly with 13 hours recorded. The trend continues into September, where it dips to 12 hours, before settling back at 11 hours in October. November and December witness a return to shorter days, mirroring the beginning of the year with 10 hours in November and reverting to 9 hours in December. This rhythmic cycle of daylight hours not only marks the passing seasons but also encourages seasonal activities, with peak daylight hours enhancing opportunities for outdoor exploration during the spring and summer.
Aizu-Wakamatsu, Japan experiences a diverse climate characterized by cold winters and warm summers. In January, temperatures can drop to a minimum of -11°C (12°F), while July sees highs of up to 34°C (93°F). Precipitation is notably prevalent during the summer months, particularly in July, which receives 239 mm (9.4 in) of rainfall. Sunshine hours peak in May with 281 hours, contributing to the region's beautiful seasonal landscapes. For more detailed information, visit Aizu-Wakamatsu climate.
Fukushima, Japan experiences a varied climate throughout the year, with cold winters and warm summers. January temperatures can drop to -13°C (9°F), while July sees highs of up to 34°C (93°F). The region receives significant rainfall, particularly in July (248 mm) and August (169 mm), with precipitation tapering off toward the winter months. Sunshine is abundant from March to August, peaking in May with 288 hours. For more detailed information, visit Fukushima climate.
Inawashiro, Japan experiences a diverse climate with cold winters and warm summers. January sees temperatures ranging from -11°C to 8°C, while July can reach up to 34°C. Precipitation is fairly consistent throughout the year, with notable rainfall in July (239 mm) and moderate sunshine peaking in May at 281 hours. The transitional seasons of spring and autumn bring milder weather, making them ideal times to visit. For more detailed information, check the Inawashiro climate.
Ishikawa, Japan experiences a diverse climate, with cold winters and warm summers. January sees temperatures range from -11°C to 12°C, while July highs can reach 34°C. Precipitation is significant, especially in July, averaging 252 mm, which contributes to a lush environment. Sunshine hours fluctuate throughout the year, with May enjoying the most at 288 hours. For more detailed information, visit Ishikawa climate.
Kitakata, Japan experiences a diverse climate throughout the year, characterized by cold winters and warm summers. January sees temperatures ranging from -11°C to 6°C, with significant snowfall, while July enjoys milder weather, with temperatures between 14°C and 33°C. Precipitation is substantial, particularly in July with 321 mm, and sunshine hours peak during the summer months, reaching up to 294 hours in May. For more details, visit Kitakata climate.
Minami-Soma, Japan, experiences a temperate climate characterized by cold winters and warm summers. January temperatures range from a chilly -3°C to a mild 13°C, while July sees much warmer conditions, with temperatures reaching up to 30°C. Precipitation varies throughout the year, peaking in July with 239 mm, and overall, the region benefits from substantial sunshine, particularly in May with 292 hours. For more detailed information on weather patterns and conditions, visit Minami-Soma climate.
Shirakawa, Japan experiences a continental climate characterized by cold winters and warm summers. January is the coldest month with minimum temperatures dropping to -11°C (12°F), while July records maximums up to 34°C (94°F). Precipitation peaks in July with 253 mm (10.0 in), contributing to a lush summer landscape. The region enjoys a fair amount of sunshine, particularly in May, when it receives 288 hours of sunlight. For more details, visit Shirakawa climate.
In conclusion, the climatic conditions in Fukushima, Japan, reveal a rich tapestry of seasonal variations that influence temperature, precipitation, sunshine duration, UV Index, and daylight hours. The region experiences cold winters, with notable increases in temperature and sunlight as spring approaches, culminating in warm, sun-drenched summers characterized by higher UV levels and extended daylight hours. As autumn sets in, these trends reverse, leading to shorter days and a gradual return to chillier temperatures. Understanding these seasonal patterns is essential for both residents and visitors, enabling them to make informed decisions about outdoor activities and health precautions throughout the year. Ultimately, Fukushima's diverse climate not only shapes its vibrant ecosystems but also enriches the experiences of those who live in and explore this beautiful region.