Last updated: August 21, 2025
In October, Ishikari, Japan, experiences a vibrant transition into autumn, with maximum temperatures reaching a pleasant 24°C (75°F) and an average of 13°C (56°F). The crisp air brings cooler nights, where temperatures can dip to a minimum of 4°C (40°F). This month is marked by significant precipitation, accumulating to 129 mm (5.1 in) over approximately 16 days, contributing to the lush, colorful landscape. Coupled with a high humidity level of 83%, October is a time of vivid natural beauty, inviting exploration amidst the enchanting fall foliage.
In Ishikari, Japan, October ushers in a gentle transition as the temperatures begin to cool significantly from the summer's warmth. With minimums around 4°C (40°F) and average daytime temperatures reaching 13°C (56°F), residents experience a crispness in the air that hints at the impending winter months. Max temperatures can reach a comfortable 24°C (75°F), allowing for pleasant outdoor activities amidst the vibrant autumn foliage. This month marks a striking drop from the balmy September, illustrating the region's swift shift from warm to cool as it prepares for November's chill. Overall, October in Ishikari is a time of change, blending the last remnants of warmth with the refreshing onset of fall.
In October, Ishikari experiences a notable uptick in precipitation, with an average of 129 mm (5.1 in) over 16 days, marking a transition into the wetter months ahead. This increase is part of a broader trend, as rainfall progressively builds from the summer's peak in August (182 mm) to the cooler months. While September sees a moderate 103 mm, October's rainfall sets the stage for November's even heftier 153 mm, indicating the onset of the wet season. The combination of more frequent rainy days and rising precipitation amounts highlights October as a key month signaling the shift from the mildness of early fall to the deeper chill of late autumn in Ishikari.
In Ishikari, Japan, October brings a slight dip in humidity to 83%, continuing a downward trend from the peak summer months. The year begins with high humidity levels, with January and February hovering around 84% and 83%. As spring emerges in March and April, humidity remains stable at 81%. May and June witness a surge, peaking in mid-summer with 93% in July and 95% in August, when the air feels most oppressive. By September, a gradual decline begins, leading into October’s more comfortable levels. As the year progresses towards winter, humidity continues to decrease, settling at 79% in November, before rising slightly again in December to 80%. This seasonal pattern illustrates Ishikari's transition from humid summers to crisp autumns, making October a refreshing reprieve.
As October settles in Ishikari, Japan, the UV Index drops to 5, categorized as moderate, which allows for a burn time of about 30 minutes. This marks a noticeable easing from the peak summer months, where the Index soared to an intense 10 in August. Following the very high levels of summer, October reflects a transition into cooler weather, yet it's essential to remain mindful of UV exposure. The gradual decline from 9 in the preceding months makes October a more forgiving time for outdoor activities, but it's still wise to take precautions when enjoying the sun. For more detailed insights on UV levels throughout the year, explore Ishikari UV Index.
UV Risk Categories
As October unfolds in Ishikari, Japan, the region enjoys a delightful 234 hours of sunshine, a gentle dip from the vibrant summer months. This month marks the transition from the sun's peak in July, where it basked in 321 hours, to the cooler, quieter days of November and December. Notably, while the sun gradually recedes, October still retains an ample amount of daylight, offering a perfect backdrop for autumn activities. The steady decline in sunshine hours from the summer's peak illustrates the seasonal rhythm of Ishikari, inviting locals and visitors alike to embrace the beauty of fall foliage under a crisp, sunlit sky.
In Ishikari, Japan, the likelihood of encountering sunny weather shows an intriguing pattern throughout the year. Starting with the colder months, January and February experience lower chances of sunshine at 30% and 24%, respectively. As spring approaches, the potential for clear skies begins to improve, peaking at 42% in April before the sunshine slightly dwindles in May. The summer months, particularly June and July, offer more favorable conditions, boasting 47% and 45% respectively. However, as fall settles in, October presents a 35% chance of sun, reflecting a moderate decline from the summer highs while still holding its own compared to the colder months. This trend emphasizes a seasonal ebb and flow, with October representing a transitional period where the sun still graces Ishikari, albeit less frequently than in the height of summer.
In Ishikari, Japan, October marks a subtle transition in daylight duration, with 11 hours of daylight illuminating the landscape. This month reflects a gradual decline from the sun-drenched days of summer, peaking at 15 hours in June, to shorter daylight as winter approaches, where November and December each see only 9 hours. Following the vibrant 14 hours of May and the warm 13 hours of August, October offers a softer glow, reminding residents that the longer, sunlit days of summer are giving way to the cozy embrace of autumn. As the year progresses, the rhythm of daylight continues to ebb and flow, creating a fascinating dance between light and dark in this northern Japanese city.
As October settles in Ishikari, the winds pick up slightly, averaging 4.1 m/s (9 mph)—a refreshing shift that heralds the onset of autumn. This moderate breeze is a gentle reminder of the stronger gusts that characterize the colder months, as November and December see increases in wind speeds, reaching 5.0 m/s (11 mph) and 5.1 m/s (12 mph), respectively. The trend throughout the year shows a gradual decline in wind intensity from the lively 5.1 m/s in January and February to the calmer 3.3 m/s in June. However, as autumn progresses, there's a notable resurgence, bringing a crispness to the air that complements the stunning fall foliage. The October breeze not only marks a transition in the seasons but also invites residents and visitors alike to embrace the beauty of Ishikari's changing landscape.
Weather in Ishikari varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Ishikari, focusing on differences in temperature, rainfall, humidity, and UV levels.
October and January present a striking contrast in weather conditions. In October, temperatures range from a minimum of 4°C (40°F) to a pleasant maximum of 24°C (75°F), with an average of 13°C (56°F). This month experiences significant rainfall with 129 mm (5.1 in) spread over 16 days and humidity levels at 83%. In contrast, January is marked by cold, frigid temperatures, dipping as low as -13°C (8°F) and averaging around -3°C (26°F), with a maximum of only 6°C (42°F). Although January receives less precipitation at 74 mm (2.9 in), it has rain or snow on 19 days, coupled with slightly higher humidity at 84%. For a more detailed look at January weather specifics, visit Ishikari weather in January.
October and February present starkly contrasting weather conditions. In October, temperatures range from a mild 4°C (40°F) at night to a pleasant average of 13°C (56°F) during the day, peaking at a warm 24°C (75°F). This month also sees a significant amount of rainfall, with 129 mm (5.1 in) of precipitation spread across 16 days, all while maintaining high humidity levels at 83%.
Conversely, February experiences much colder temperatures, with lows dropping to -12°C (11°F) and a chilly maximum of only 5°C (42°F), culminating in an average of -3°C (27°F). While it receives less rainfall at 84 mm (3.3 in), precipitation occurs on 21 days, maintaining the same humidity of 83%. The stark differences between October's mild, rainy days and February's freezing, snowy conditions highlight the diverse climate experienced throughout the year. For more on February weather, you can visit Ishikari weather in February.
When comparing the weather in October and March, it's clear that October is notably warmer and wetter. October experiences temperatures ranging from a minimum of 4°C (40°F) to a maximum of 24°C (75°F), with an average of 13°C (56°F). It also sees a significant amount of precipitation, totaling 129 mm (5.1 in) over approximately 16 days, contributing to its higher humidity of 83%. In contrast, March is much cooler, with temperatures fluctuating between -8°C (18°F) and 14°C (57°F), and an average of just 1°C (35°F). The precipitation in March is lower at 80 mm (3.2 in), occurring over about 14 days, and it maintains a humidity level of 81%. For a deeper look into March conditions, you can refer to Ishikari weather in March.
In October, temperatures range more broadly from a chilly minimum of 4°C (40°F) to a comfortable maximum of 24°C (75°F), with an average of 13°C (56°F). This month experiences significantly more precipitation, totaling 129 mm (5.1 in) over 16 days, alongside higher humidity levels at 83%. In contrast, April presents cooler temperatures, with a minimum of -2°C (28°F) and a maximum of 20°C (68°F), averaging at 6°C (43°F). Precipitation in April is less, with 73 mm (2.9 in) over just 11 days, and humidity slightly lower at 81%. For more details about the weather specifics during this month, check out Ishikari weather in April.
October and May present quite different weather experiences despite having similar minimum temperatures. In October, the average temperature is slightly higher at 13°C (56°F) compared to May's 12°C (54°F), but October can peak at 24°C (75°F), making it milder overall. Conversely, May boasts warmer maximum temperatures reaching 27°C (81°F). Precipitation is another noteworthy difference, with October receiving 129 mm (5.1 in) over 16 days, while May sees less rainfall at 89 mm (3.5 in) across just 12 days. Both months feature high humidity, with October at 83% and May slightly higher at 86%. For more detailed insights, visit Ishikari weather in May.
October and June present quite a contrast in weather patterns. In October, temperatures range from a minimum of 4°C (40°F) to a maximum of 24°C (75°F), with an average of 13°C (56°F). This month sees significant rainfall, totaling 129 mm (5.1 in) over about 16 days, coupled with high humidity at 83%. In comparison, June offers slightly milder conditions, with a minimum of 8°C (47°F) and an average of 16°C (61°F), peaking at 24°C (76°F). Precipitation in June is lower, at 103 mm (4.1 in) over 10 days, while humidity is slightly higher at 87%. For a detailed look at specific conditions in June, visit Ishikari weather in June.
In comparing the weather of October and July, notable differences emerge. October experiences cooler temperatures, with a minimum of 4°C (40°F) and an average of 13°C (56°F), while July boasts milder conditions, marked by a minimum of 11°C (52°F) and an average of 21°C (69°F). Precipitation is relatively high in both months, but October sees more rainfall with 129 mm (5.1 in) over 16 days compared to July's 104 mm (4.1 in) across 11 days. Additionally, October's humidity level averages around 83%, slightly lower than July's 93%. For a closer look at July weather, you can visit Ishikari weather in July.
October experiences cooler temperatures compared to August, with minimums dropping to 4°C (40°F) and an average of 13°C (56°F), while August enjoys milder conditions, ranging from a minimum of 15°C (59°F) and averaging 22°C (71°F) during the day. In addition to the lower temperatures, October also has a higher level of precipitation, totaling 129 mm (5.1 in) over 16 days, compared to August's 182 mm (7.2 in) over just 13 days. Humidity remains consistently high in both months, with October at 83% and August peaking at 95%. For a detailed overview of August conditions, you can visit Ishikari weather in August.
October's weather showcases a notable shift compared to September. With minimum temperatures dropping to 4°C (40°F) and an average of 13°C (56°F), October feels significantly cooler than September, which had minimums around 10°C (49°F) and an average of 19°C (66°F). Additionally, October experiences higher precipitation levels, totaling 129 mm (5.1 in) over 16 days, compared to September's 103 mm (4.0 in) spread across 13 days. The humidity remains high in both months, with October at 83% and September slightly higher at 88%. For more insights into September's weather, check out Ishikari weather in September.
October and November present a notable transition in weather conditions. In October, temperatures range from a minimum of 4°C (40°F) to a maximum of 24°C (75°F), with an average of 13°C (56°F), while November sees a drop, with minimum temperatures plummeting to -3°C (26°F) and a cooler average of 6°C (44°F). Precipitation also increases slightly in November, totaling 153 mm (6.0 in) over 22 days, compared to October's 129 mm (5.1 in) over 16 days. Despite this rise in rainfall, November maintains a lower humidity level at 79%, compared to October's higher humidity of 83%. For more details on November weather specifics, you can visit Ishikari weather in November.
October and December present contrasting weather characteristics. In October, temperatures range from a minimum of 4°C (40°F) to a maximum of 24°C (75°F), with an average of 13°C (56°F). This month experiences 129 mm (5.1 in) of precipitation over 16 days, and humidity levels are relatively high at 83%. In contrast, December drops to much colder temperatures, with a minimum of -11°C (13°F) and an average of -1°C (31°F), while still reaching a maximum of 13°C (56°F). Although December has slightly less precipitation at 123 mm (4.8 in), it sees more rainy or snowy days with 27 total, and humidity remains slightly lower at 80%. For more details on the December climate, you can visit Ishikari weather in December.
As October arrives in Ishikari, the weather begins its transition from the warmth of summer to the crispness of fall. With an average temperature that delicately hovers around 13°C (56°F), the days feel cooler, especially as night falls and the temperatures dip to around 4°C (40°F). The month is characterized by higher humidity levels and frequent rainfall, with 16 days of precipitation bringing a total of 129 mm (5.1 in). This blend of elements creates a distinct atmosphere, marking a departure from the drier and warmer conditions experienced in previous months. For a deeper understanding of how October fits into the broader climate patterns, visit Ishikari Climate.