October Weather in Toyama, Japan

Last updated: August 21, 2025

In October, Toyama, Japan experiences a captivating blend of mild temperatures and significant rainfall. With maximums reaching 31°C (87°F) and average highs around 17°C (62°F), the city transitions into the cooler season, while minimum temperatures dip to a brisk 8°C (46°F). This month sees an impressive 216 mm (8.5 in) of precipitation spread over 17 days, resulting in a lush, vibrant landscape. Coupled with a humidity level of 81%, October in Toyama is marked by the refreshing scent of rain and the beauty of autumn foliage, making it a perfect time to appreciate the region's natural charm.

October Temperature in Toyama

October in Toyama, Japan, marks a delightful transition as temperatures begin to cool from the lingering warmth of summer. With daily minimums around 8°C (46°F) and a pleasant average of 17°C (62°F), this month is characterized by a mild yet refreshing climate, perfect for outdoor activities. The maximums can reach up to 31°C (87°F), hinting at the tail end of the summer heat, while crisp autumn air becomes increasingly noticeable. As the month progresses, the gradual drop in temperatures signals the upcoming chill of winter, making October an ideal time to enjoy the vibrant fall foliage along the scenic landscapes of Toyama.

October Weather in Toyama: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Toyama, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Toyama, October typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec363745536369778072625242
Data source: Temperature data for Toyama generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Toyama

In October, Toyama, Japan experiences a substantial precipitation total of 216 mm (8.5 in), marking a notable shift from the previous months. This uptick in rainfall occurs over approximately 17 days, maintaining a consistent pattern seen since the late summer months. Following the heavy downpours of July and the moderate rainfall in September, October's precipitation reflects the region's transition into autumn, when the weather begins to cool and the landscapes transform. Interestingly, while rainfall decreases into November, October still stands out as a month of significant wetness, making it a time when local flora flourishes and the vibrant colors of fall foliage emerge against the backdrop of frequent showers.

October Precipitation Trends in Toyama

The chart displays monthly precipitation patterns in Toyama, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Toyama, October typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec198179167179158190357264223216135231
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Toyama

As autumn unfolds in Toyama, Japan, October experiences a relative drop in humidity, settling at 81%. This marks a shift from the summer months, where humidity peaks at a sweltering 93% in July and remains high through August. In contrast, the transition into fall sees a decline, with September's still-humid 84% giving way to October's more comfortable levels. This slight decrease hints at the easing of the intense summer heat, although October still retains a touch of moisture as leaves begin to turn, creating a pleasantly crisp atmosphere perfect for enjoying the vibrant autumn scenery. Following this pattern, humidity levels continue to drop further into November and December, suggesting a clear trend toward drier conditions as the year closes.

October Average Humidity in Toyama

This chart illustrates the average monthly humidity levels in Toyama, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Toyama is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%78%76%77%85%89%93%92%84%81%77%79%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Toyama

In October, Toyama experiences a notable decrease in UV Index, dropping to 7, which falls into the high exposure category. This change signifies a shift from the intense extremes of summer, where values peaked at 11, with burn times as quick as 10 minutes. As the month progresses, residents and visitors should be mindful of their sun exposure, allowing for about 25 minutes before risking skin damage. This decrease in UV intensity offers a brief respite after months of very high readings, yet it still requires careful sun protection. For more details on UV Index trends throughout the year, check out Toyama UV Index.

Maximum UV Index Levels in Toyama for October

The chart shows the monthly maximum UV Index (UVI) for Toyama in October, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In October, the maximum UV index in Toyama typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec458101011111110753
Data source: Toyama October UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

October Sunshine in Toyama

October in Toyama, Japan, offers a delightful blend of autumn hues and moderate sunshine, with an average of 228 hours of sunshine gracing the month. As the year progresses, the daylight hours peak during the spring and summer months, with May showing the most abundant sunshine at 302 hours. However, as the seasons transition into fall, sunshine begins to wane, and October reflects a slight decline from the September total of 249 hours. This pattern is a gentle reminder of nature's rhythm, as Toyama bids farewell to the prolonged summer days and welcomes the crisp charm of autumn. With November promising a similar trend, local residents and visitors alike can savor October's golden sunshine while it lasts.

Monthly Sunshine Duration in Toyama: October Highlighted

The October sunshine duration represents the total number of hours Toyama experiences direct sunlight during the month of October, excluding cloudy or obstructed periods. This chart compares the sunshine duration of October with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec143h204h258h278h302h291h279h300h249h228h218h187h
Data source: Toyama October Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Toyama During October

In Toyama, Japan, October enjoys a notable 47% chance of sunny weather, making it one of the more favorable months for sunshine in the region. As the year progresses, the likelihood of sunny days fluctuates, peaking in April and November at 48%. Interestingly, October's sunshine potential is a welcome contrast to the peak summer months, like August, which sees a dip to just 24%. This trend indicates a shift towards clearer skies as autumn sets in, providing a delightful backdrop for outdoor activities before the winter chill arrives. The gradual increase in sunshine from the lower percentages earlier in the year showcases October as a prime time to experience Toyama's natural beauty under the sun.

Percentage of Sunny Days in October in Toyama

The chart illustrates the percentage of sunny days in Toyama throughout the year, with October highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Toyama experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec26%37%36%48%32%29%37%24%34%47%48%30%
Data source: Toyama October chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Toyama in October

In Toyama, Japan, the shifting daylight duration throughout the year paints a vivid picture of the changing seasons. As winter fades, daylight begins to lengthen dramatically from 9 hours in January to a peak of 14 hours during the heights of May through July. This period of abundant sunshine allows residents to relish the warm summer days. However, as autumn arrives in October, daylight begins to gently wane, settling at 11 hours. This gradual dimming continues into the winter months, reaching its nadir again with 9 hours in December. Overall, the trend showcases a rhythmic balance between light and dark, marking the passage of time and the beauty of nature’s cycles in Toyama.

Average Daylight Hours in Toyama for October

The chart illustrates the variation in daylight duration in Toyama throughout the year, with October highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 56m10h 49m11h 57m13h 8m14h 7m14h 37m14h 22m13h 30m12h 23m11h 13m10h 12m9h 40m
Data source: Toyama daylight hours, calculated by summing the hours between sunrise and sunset for each day.

October Winds in Toyama

As October unfolds in Toyama, Japan, the average wind speed subtly picks up to 2.1 m/s (5 mph), bringing a refreshing shift from the languid breezes of summer. This slight increase from the previous months, which saw winds lingering around 1.9 m/s (4 mph), signals the onset of autumn's transformative embrace. Interestingly, this trend marks a resurgence in wind intensity after the summer lull, hinting at the transition towards the cooler months ahead. In comparison to the earlier spring and summer counts, October's breezes are still relatively gentle but begin to hint at the crisp autumn air that will soon dominate the landscape. As the season progresses, one can expect this gentle wind to contribute to the picturesque fall foliage, swirling vibrant leaves around the serene streets of Toyama.

Average October Wind Speed in Toyama

The chart displays monthly wind speed patterns in Toyama, with values for each month shown alongside October's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how October's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.93.32.62.72.91.81.71.91.92.1 m/s2.83.0
Data source: Toyama October wind data, generated using information from the Copernicus Climate Change Service.

How October Weather in Toyama Compares to Other Months

Weather in Toyama varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Toyama, focusing on differences in temperature, rainfall, humidity, and UV levels.

October and January exhibit contrasting weather patterns in terms of temperature and precipitation. In October, temperatures range from a mild 8°C (46°F) at night to a warm 31°C (87°F) during the day, with an average of 17°C (62°F). This month is also characterized by significant rainfall, totaling 216 mm (8.5 in) over 17 days, and high humidity at 81%. In stark contrast, January experiences colder temperatures, with a minimum of -5°C (23°F), an average of 2°C (37°F), and a maximum of 15°C (59°F). The precipitation is slightly less at 197 mm (7.8 in) over 21 days, and humidity remains relatively constant at 80%. For more detailed information about January weather in this region, you can visit Toyama weather in January.

October and February present stark contrasts in weather, reflecting the transition from fall to winter. In October, temperatures range from a mild 8°C (46°F) to a warm maximum of 31°C (87°F), with an average of 17°C (62°F). The month experiences considerable rainfall, totaling 216 mm (8.5 in) over 17 days, and a high humidity level of 81%. In contrast, February is much colder, with temperatures dipping between a minimum of -6°C (22°F) and a maximum of 18°C (64°F), averaging just 3°C (37°F). Although it has slightly less total precipitation at 179 mm (7.0 in) over 20 days, the humidity remains relatively high at 78%. For more details on February weather patterns, check out Toyama weather in February.

In October, the weather is noticeably warmer compared to March, with average temperatures reaching 17°C (62°F) and a maximum of 31°C (87°F). In contrast, March sees much cooler temperatures, with an average of 7°C (45°F) and a maximum of 21°C (71°F). Precipitation levels in October are higher, totaling 216 mm (8.5 inches) over 17 days, while March has 167 mm (6.6 inches) of rainfall, also across 17 days. Additionally, October's humidity is slightly higher at 81%, compared to March’s 76%. For more detailed weather information specific to March, check out Toyama weather in March.

In comparing the weather of October and April, October presents a warmer climate with temperatures ranging from a minimum of 8°C (46°F) to a maximum of 31°C (87°F), while April experiences cooler temperatures, with a minimum of -3°C (27°F) and a maximum of 27°C (81°F). Both months have notable precipitation, with October receiving 216 mm (8.5 in) over 17 days and April slightly less at 179 mm (7.0 in) over 15 days. Additionally, October's humidity is a bit higher at 81% compared to April’s 77%. For more details on April's weather, you can visit Toyama weather in April.

When comparing the weather in October and May, both months exhibit a range of temperatures, but October tends to be slightly warmer overall, with maximum temperatures reaching up to 31°C (87°F) compared to May's maximum of 30°C (85°F). October has a higher average temperature of 17°C (62°F) versus May's 17°C (64°F), indicating a pleasant climate in both months. However, October experiences significantly more precipitation at 216 mm (8.5 in) over 17 days, while May receives 158 mm (6.2 in) over 15 days. Humidity levels are also higher in May at 85% compared to October's 81%, making the air feel a bit more moist in late spring. For more detailed insights on May weather, you can check Toyama weather in May.

When comparing the weather in October and June, we see a notable difference in both temperature and precipitation. October features a wider temperature range, with minimums dropping to 8°C (46°F) and maximums hitting 31°C (87°F), while June’s temperatures are slightly milder, with a minimum of 10°C (51°F) and an average of 21°C (69°F). Both months experience significant rainfall, but October tends to be wetter, with 216 mm (8.5 in) over 17 days compared to June's 190 mm (7.5 in) over 15 days. Humidity is also higher in June at 89%, slightly surpassing October's 81%. For more specific insights into June weather, visit Toyama weather in June.

When comparing the weather in October and July, October offers a wider range of temperatures, with minimums reaching as low as 8°C (46°F) and maximums peaking at 31°C (87°F), whereas July typically stays much warmer, with minimums around 19°C (66°F) and maximums hitting up to 34°C (93°F). Additionally, October experiences significant rainfall, with 216 mm (8.5 in) over approximately 17 days, though it is less rainy than July, which sees 357 mm (14.0 in) of precipitation over 23 days. Humidity levels are also somewhat lower in October at 81% compared to July's 93%, making October feel a bit more comfortable despite the rain. For more details about the conditions in July, visit Toyama weather in July.

In comparing the weather of October and August, we see notable differences in temperature and precipitation patterns. October experiences a wider temperature range with minimums around 8°C (46°F) and maximums reaching up to 31°C (87°F), resulting in an average of 17°C (62°F). In contrast, August boasts warmer temperatures, with a minimum of 16°C (61°F) and a maximum of 35°C (96°F), leading to a higher average of 27°C (80°F). Precipitation levels in October are slightly lower, totaling 216 mm (8.5 in) across 17 days, compared to August's 264 mm (10.4 in) over 19 days. Additionally, humidity is generally higher in August at 92%, compared to October's 81%. For more specific insights into August weather, you can explore Toyama weather in August.

In comparing the weather of October and September, October tends to be cooler with an average temperature of 17°C (62°F), compared to September's warmer average of 22°C (73°F). The minimum temperature in October drops to 8°C (46°F), while September starts higher at 12°C (54°F). Interestingly, both months experience similar precipitation levels, with October recording 216 mm (8.5 in) and September slightly more at 223 mm (8.8 in), each spanning 17 days of rain. Additionally, humidity remains high in both months, with October at 81% and September at 84%. For more detailed information on September's weather, you can check out Toyama weather in September.

In comparing October and November weather, October experiences notably warmer temperatures, with minimums around 8°C (46°F) and maximums reaching up to 31°C (87°F), while November sees a significant drop, with minimums of 1°C (34°F) and maximums peaking at 25°C (76°F). October is also characterized by higher precipitation levels, totaling 216 mm (8.5 in) over 17 days, compared to November’s 135 mm (5.3 in) across 14 days. Humidity remains relatively high in both months, though October has a slightly elevated average humidity of 81% compared to November's 77%. For more details about the weather in November, you can visit Toyama weather in November.

October and December present quite contrasting weather patterns. In October, temperatures range from a mild 8°C (46°F) at night to a warm 31°C (87°F) during the day, with an average of about 17°C (62°F). This month sees an ample amount of rainfall, with 216 mm (8.5 in) falling over 17 days, contributing to an overall humidity of 81%. In comparison, December experiences much colder conditions, with temperatures dropping to a minimum of -4°C (24°F) and averaging just 5°C (42°F). The maximum temperature in December reaches 21°C (71°F), but precipitation increases slightly to 231 mm (9.1 in) over 23 days, keeping humidity levels at around 79%. For more details on December weather specifics, you can visit Toyama weather in December.

Compare Toyama's Climate with Cities Worldwide

Conclusion: What to Expect From October Weather in Toyama

As October unfolds in Toyama, the weather showcases a unique charm that sets it apart from other months. The temperatures begin to cool, transitioning from the sweltering highs of summer to a more moderate and comfortable range, with refreshing breezes replacing the humidity. While rainfall increases with nearly half the month experiencing precipitation, the landscape transforms into a vivid palette of autumn colors that make outdoor activities particularly enjoyable. This blend of mild temperatures, changing scenery, and gentle rains creates a delightful atmosphere, inviting everyone to embrace the season. To learn more about the region’s climate nuances, check out Toyama Climate.