Last updated: August 21, 2025
In October, Hayama, Japan, showcases a delightful autumn climate characterized by a maximum temperature of 26°C (79°F) and an average of 20°C (68°F), providing a comfortable atmosphere for residents and visitors alike. The evenings cool down to a minimum of 13°C (56°F), inviting cozy gatherings. While the month sees 17 days of rainfall, totaling 303 mm (11.9 in), the high humidity level of 83% contributes to the vibrant foliage and lush landscapes, making it an ideal time to explore the area's natural beauty. Whether you're strolling along the coast or enjoying local cuisine, October in Hayama offers a serene blend of warmth and refreshing breezes.
In October, Hayama, Japan, experiences a delightful transition as temperatures begin to cool, marking the shift into autumn. With a minimum of 13°C (56°F) and an average of 20°C (68°F), the weather is pleasantly mild, perfect for enjoying the stunning fall foliage. As the month unfolds, highs reach a comfortable 26°C (79°F), offering ample opportunities for outdoor exploration. This gradual decline from the summer's warmth reflects a broader trend of cooling temperatures as the year progresses, making October an inviting time to experience the region's natural beauty while enjoying the crisp, refreshing air.
In October, Hayama, Japan experiences a significant peak in precipitation, recording an impressive 303 mm (11.9 in) over 17 days. This makes it the wettest month of the year, following a trend established in the preceding months, where September also showcased high rainfall at 208 mm (8.2 in). The higher precipitation in October can be attributed to the transition into the colder months, often characterized by more frequent and intense weather systems. As the region shifts from the summer's humidity to autumn, the increase in rainy days contributes to the lush, vibrant landscapes that define this season. While rainfall diminishes in the following months, October stands out as a critical period for replenishing local water sources and sustaining the area’s natural beauty.
As the cool embrace of October sets in Hayama, Japan, humidity remains noticeably high at 83%, following the summer months marked by soaring levels. This gradual decline from the peak of 93% in July highlights the seasonal shift as autumn takes its hold. While humidity levels in October are lower than the sweltering summer, they still surpass the early months of the year, creating a unique atmosphere that balances crisp fall air with lingering moisture. This dynamic climate not only influences local weather patterns but also enriches the natural beauty of the surrounding landscapes as they transition into the vibrant hues of autumn.
As October unfolds in Hayama, Japan, the UV Index stands at 7, placing it in the high exposure category with a burn time of 25 minutes. This marks a noticeable decline from the extreme levels experienced during the peak months of May through August, when the UV Index consistently hit 11. After the very high readings of 10 in September, October's lower index highlights the gradual shift towards more moderate UV conditions, though it's wise to remain cautious about sun exposure. As the year progresses, the UV Index begins to stabilize, with November and December returning to moderate levels of 5 and 4, respectively. For more detailed information on UV conditions, check out Hayama UV Index.
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In October, Hayama experiences a gentle transition as summer’s warmth gives way to the crispness of fall, amassing 205 hours of sunshine. This month, while not as radiant as the peak of summer in August—which boasts an impressive 297 hours—October holds its own with a notable brightness that contrasts sharply against the winter months. Following a vibrant May and April, both showcasing over 260 hours, the significant dip in daylight introduces a tranquil ambiance, inviting residents and visitors alike to enjoy leisurely strolls under vibrant autumn leaves. As the year progresses toward winter, the steady ebb and flow of sunlight in Hayama reminds us of nature's rhythm, with October’s golden rays serving as a beautiful prelude to the cooler months ahead.
As October rolls into Hayama, Japan, the chance of sunny weather peaks at 48%, offering a delightful respite as the region transitions into autumn. While this likelihood is notably lower than the 64% seen in February and 67% in December, it still presents a fair opportunity for enjoying the mild climate and beautiful fall foliage. Observing the trends, it's evident that the chance of sunny days begins to rise again in November, reaching 62%, suggesting that October might be a perfect time for those who appreciate the beauty of early autumn, even if the sun isn’t always shining brightly. This transitional month finds itself balancing between the lingering warmth of summer and the crisp coolness that November brings, making it a unique time to experience Hayama's charm.
In Hayama, Japan, the rhythm of daylight throughout the year paints a vivid picture of seasonal change. January and February start off with a consistent 10 hours of daylight, gradually increasing as spring approaches. By March, days stretch slightly to 11 hours, paving the way for April and May, where sunlight flourishes with 13 and 14 hours, respectively. This peak in daylight continues through the summer months of June and July, maintaining that glow at 14 hours. As the seasons transition, daylight begins to wane, with August seeing a gentle decline to 13 hours, followed by 12 hours in September. By October, the days shrink to 11 hours, signaling the onset of shorter daylight as the year draws to a close, culminating in November and December with just 10 and 9 hours respectively. This cycle not only reflects the beauty of Hayama’s climate but also offers a rhythmic reminder of nature’s ever-changing patterns.
As October arrives in Hayama, Japan, the winds begin to pick up again, gently swirling at an average speed of 5.4 m/s (12 mph). This slight uptick from the summer months, where winds dipped to around 3.3 m/s (7 mph) in July and August, brings a refreshing change to the coastal air. Following the slightly variable winds of early fall, October’s breezes are reminiscent of the spring season, blending the mildness of the preceding months with hinting enthusiasm of monsoon transitions. The consistent wind speeds throughout the year, ranging only a few meters per second from the winter to fall, suggest a stable climate, making Hayama a unique place to experience the serene beauty of autumn accompanied by gentle, whispering winds.
Weather in Hayama varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Hayama, focusing on differences in temperature, rainfall, humidity, and UV levels.
October and January present stark contrasts in weather. In October, temperatures range from a mild 13°C (56°F) to a warm 26°C (79°F), creating an inviting atmosphere despite significant rainfall of 303 mm (11.9 in) over 17 days, contributing to a high humidity level of 83%. In stark comparison, January experiences much colder temperatures, with a minimum of 1°C (34°F) and a maximum of 18°C (64°F), alongside considerably less precipitation at 64 mm (2.5 in) over just 6 days, resulting in a lower humidity of 76%. For more details on January conditions, you can visit Hayama weather in January.
October and February display contrasting weather patterns, reflecting the transition from autumn to late winter. In October, temperatures are milder, ranging from a minimum of 13°C (56°F) to a maximum of 26°C (79°F), contributing to an average of 20°C (68°F). This month experiences substantial rainfall, with 303 mm (11.9 in) falling over 17 days, creating a humid environment with an average humidity of 83%. In stark contrast, February is considerably colder, with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 17°C (63°F) and an average of only 8°C (47°F). Precipitation drops significantly to 62 mm (2.4 in) over 8 days, and humidity decreases to 74%. For more specific insights about February weather, you can visit Hayama weather in February.
In comparing the weather of October and March, October presents a significantly warmer climate with average temperatures ranging from a mild 13°C (56°F) at night to a maximum of 26°C (79°F) during the day, contrasted with March's cooler temperatures that average between 3°C (38°F) and 19°C (66°F). Additionally, October experiences more substantial precipitation, with 303 mm (11.9 in) falling over 17 days, compared to March's 172 mm (6.8 in) over 12 days. The humidity also tends to be higher in October at 83%, whereas March maintains a lower humidity level of 70%. For more specific insights into March weather, you can refer to Hayama weather in March.
When comparing the weather of October and April, notable differences emerge in temperature and precipitation. In October, temperatures range from a minimum of 13°C (56°F) to a maximum of 26°C (79°F), with an average of 20°C (68°F) and a comparatively high humidity level of 83%. This month experiences significant rainfall, with 303 mm (11.9 in) spread over 17 days. In contrast, April offers milder conditions, with temperatures varying from a minimum of 6°C (43°F) to a maximum of 21°C (70°F) and an average of 14°C (58°F). Additionally, April receives less precipitation at 141 mm (5.5 in) over 12 days and maintains a lower humidity level of 74%. For more specific insights into April weather, you can visit Hayama weather in April.
In October, the weather is generally warmer with average temperatures ranging from 13°C (56°F) to a maximum of 26°C (79°F), compared to May, which sees a slightly cooler range between 12°C (54°F) and 23°C (74°F). While October experiences a higher amount of precipitation, totaling 303 mm (11.9 in) over 17 days, May has significantly less rain at 148 mm (5.8 in) over just 11 days. Humidity levels are also slightly higher in October at 83%, compared to 81% in May. For more specific insights into May's climate, you can check Hayama weather in May.
When comparing the weather in October and June, both months display similar maximum temperatures, averaging around 26°C (79°F). However, October tends to be cooler at its minimum temperature of 13°C (56°F), contrasting with June's slightly milder minimum of 16°C (62°F). October also experiences significantly more rainfall, with 303 mm (11.9 in) over 17 rainy days compared to June's 197 mm (7.8 in) across 13 days. Additionally, humidity levels are higher in June at 88%, compared to October's 83%. For a closer look at the climate specifics, check out Hayama weather in June.
In comparing the weather between October and July, it becomes clear that October experiences cooler temperatures with a minimum of 13°C (56°F) and an average of 20°C (68°F), while July boasts warmer conditions with a minimum of 19°C (66°F) and an average of 25°C (77°F). Although both months see precipitation over 17 days, October has significantly higher rainfall at 303 mm (11.9 in) compared to July's 226 mm (8.9 in). Additionally, humidity levels remain high in both months, with October at 83% and July slightly higher at 93%. For more insights on July weather, you can visit Hayama weather in July.
In comparing the weather between October and August, October experiences significantly cooler temperatures, with an average of 20°C (68°F) compared to August's warmer average of 27°C (80°F). The minimum temperature in October dips to 13°C (56°F), while August maintains a minimum of 21°C (70°F). Additionally, October is much wetter, receiving 303 mm (11.9 in) of precipitation over 17 days, in stark contrast to August's 129 mm (5.1 in) across 12 days. Despite the cooler temperatures, October's humidity at 83% is slightly lower than August's 90%. For more detailed insights about August weather, you can visit Hayama weather in August.
Comparing the weather between September and October reveals noticeable differences in temperature and precipitation patterns. October brings cooler temperatures, with a minimum of 13°C (56°F) and a maximum of 26°C (79°F), which contrasts with September's warmer range of 18°C (65°F) to 29°C (84°F). While September experiences a more pleasant average temperature of 24°C (75°F), October sees a drop to an average of 20°C (68°F). Additionally, October is significantly wetter, receiving 303 mm (11.9 in) of precipitation over 17 days, compared to September's 208 mm (8.2 in) during the same number of days. Both months maintain high humidity levels, with October at 83% and September slightly higher at 86%. For a closer look at September's weather details, you can visit Hayama weather in September.
In October, the weather is generally warmer with minimum temperatures around 13°C (56°F), averaging 20°C (68°F), and peaking at 26°C (79°F). The month experiences considerable rainfall, totaling 303 mm (11.9 in) over about 17 days, and a high humidity level of 83%. In contrast, November brings a notable drop in temperatures, with minimums decreasing to 6°C (43°F) and an average of 15°C (60°F), while the maximum only reaches 21°C (71°F). Precipitation also diminishes significantly to 111 mm (4.4 in) spread across 12 days, alongside slightly lower humidity at 80%. For more details, you can check Hayama weather in November.
In October, the weather is much warmer, with temperatures ranging from a minimum of 13°C (56°F) to a maximum of 26°C (79°F), averaging around 20°C (68°F). This month also experiences significant rainfall, with 303 mm (11.9 in) of precipitation across 17 days, contributing to a humidity level of 83%. In contrast, December sees much cooler temperatures, with a minimum of 3°C (37°F) and an average of 11°C (52°F), peaking at 21°C (69°F). Precipitation decreases significantly to 82 mm (3.2 in) over 11 days, and humidity drops slightly to 78%. For more details on December weather, you can visit Hayama weather in December.
As October settles in, Hayama transforms into a picturesque autumnal retreat, marked by mild temperatures and a notable increase in precipitation. Compared to the warmer summer months, visitors can expect a refreshing coolness, with average temperatures inviting comfort without the sweltering heat. However, this month also brings about a change in weather patterns, with frequent rain showers—17 days of it—contributing to humidity levels that hover around a cozy 83%. This unique blend of cool breezes and vibrant fall foliage makes October a delightful time to explore Hayama, where nature’s beauty is on full display. For more details on Hayama's climate nuances, check out Hayama Climate.