October Weather in Minamata, Japan

Last updated: August 21, 2025

In October, Minamata, Japan experiences a diverse range of weather conditions, characterized by a maximum temperature of 32°C (89°F) and a refreshing average of 20°C (68°F). As the month progresses, temperatures can dip to a minimum of 9°C (48°F), creating a nice contrast for residents and visitors alike. With precipitation totaling 131 mm (5.2 in) over approximately 10 days, rain adds a touch of freshness to the autumn atmosphere, complemented by a humidity level of 83% that enhances the lush surroundings. This blend of warmth and moisture creates a vibrant, invigorating climate perfect for exploring the natural beauty of Minamata.

October Temperature in Minamata

As October settles in Minamata, Japan, temperatures begin to showcase a delightful transition, reflecting the shift from the warmth of summer to the crispness of autumn. With minimums hovering around 9°C (48°F) and averages lifting to a comfortable 20°C (68°F), the month fosters an inviting climate for both residents and visitors alike. The peak daytime temperatures can reach up to 32°C (89°F), allowing for pleasant outdoor activities amidst the colorful foliage. This month marks a significant cooling from the summer heat, suggesting a delightful balance of warmth during the day and cooler evenings, making October a particularly appealing time in Minamata.

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

The chart illustrates October temperature patterns in Minamata, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Minamata, 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).
JanFebMarAprMayJunJulAugSepOctNovDec444654616873808277685647
Data source: Temperature data for Minamata 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 Minamata

In October, Minamata experiences a noticeable dip in precipitation with 131 mm (about 5.2 inches), marking a transition from the heavy rains of summer months. Rainfall occurs over 10 days, suggesting a more sporadic pattern compared to the 22 days of rain seen in July. This shift highlights the region's gradual move towards drier conditions, as it prepares for the cooler months ahead. Following September's hefty 228 mm, October's precipitation feels lighter, yet it still contributes to the overall annual moisture that nourishes Minamata's lush landscapes. As the autumn season sets in, the balance between wet and dry starts to stabilize, paving the way for the winter months.

October Precipitation Trends in Minamata

The chart displays monthly precipitation patterns in Minamata, 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 Minamata, October typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec611051491432343434652422281319690
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Minamata

October in Minamata, Japan, sees humidity levels begin to ease slightly from the peak summer months, maintaining a comfortable 83%. This follows a pattern of increasing humidity from January’s 75% to a summer high of 92% in July, before gradually tapering off as autumn sets in. The post-summer months, particularly September and October, illustrate a trend of decreasing moisture in the air, providing a brief respite before the rainy season’s return. With October's humidity still notably high, it reflects the lingering warmth of summer while hinting at the refreshing change that November will bring.

October Average Humidity in Minamata

This chart illustrates the average monthly humidity levels in Minamata, 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 Minamata is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%71%71%78%84%86%92%91%84%83%81%79%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Minamata

As we dive into October, Minamata, Japan, experiences a UV Index of 8, placing the month firmly in the very high exposure category, with a recommended burn time of 15 minutes. This marked a slight decline from the peak levels of summer, which boasted indexes of 12 to 13, indicative of extreme sun exposure. However, outdoor enthusiasts should still practice caution, as October's index remains significantly higher than the winter months, where indices drop as low as 4. The trend shows a gradual tapering from the summer’s intensity, but the autumn sun can still be quite potent. For a comprehensive understanding of UV levels in Minamata throughout the year, check out the detailed insights at Minamata UV Index.

Maximum UV Index Levels in Minamata for October

The chart shows the monthly maximum UV Index (UVI) for Minamata 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 Minamata typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec569111212121311864
Data source: Minamata 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 Minamata

In October, Minamata experiences a gentle transition into cooler months, basking in an average of 262 hours of sunshine. This is a slight decrease from the vibrant days of August, which boasts a peak of 305 hours, yet still surpasses the often overcast November. The sun's presence tends to wane as winter approaches, yet October strikes a balance, offering a warm glow reminiscent of late summer. As the days become shorter, locals and visitors alike can take full advantage of the comfortable temperatures and picturesque landscapes illuminated by the soft autumn light, making it a perfect time for outdoor activities and appreciating the natural beauty of this coastal gem.

Monthly Sunshine Duration in Minamata: October Highlighted

The October sunshine duration represents the total number of hours Minamata 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.
JanFebMarAprMayJunJulAugSepOctNovDec189h236h268h286h282h257h274h305h264h262h241h224h
Data source: Minamata October Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Minamata During October

In Minamata, Japan, the month of October stands out with a 62% chance of sunny weather, marking a significant shift from the typically dreary summer months. As the seasons transition, the likelihood of sunshine notably increases from the lower percentages experienced in the summer—where figures dip to as low as 18% in July. This resurgence of sunlight brings a welcome warmth, contrasting sharply with the preceding months. With autumn in full swing, October not only promises more sunny days but also sets the stage for a delightful outdoor atmosphere, making it an ideal time for residents and visitors alike to revel in the beauty of Minamata’s natural surroundings.

Percentage of Sunny Days in October in Minamata

The chart illustrates the percentage of sunny days in Minamata 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 Minamata experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec42%45%37%40%24%20%18%26%33%62%49%51%
Data source: Minamata October chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Minamata in October

In Minamata, Japan, October marks a subtle transition as the daylight duration declines to approximately 11 hours, echoing a gradual shift towards winter. This reduction follows the peak summer months of June and July, where the daylight stretches to a generous 14 hours. As autumn progresses, the lengthening shadows remind residents of the seasonal dance, with daylight slowly tapering off from the 13 hours enjoyed in August. Interestingly, this trend of decreasing daylight continues into November and December, where residents can expect about 10 hours of light. Overall, October serves as a beautiful interlude, where shorter days still bring vibrant autumn colors to life.

Average Daylight Hours in Minamata for October

The chart illustrates the variation in daylight duration in Minamata throughout the year, with October highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 17m11h 1m11h 59m12h 58m13h 47m14h 12m14h13h 16m12h 20m11h 21m10h 30m10h 3m
Data source: Minamata daylight hours, calculated by summing the hours between sunrise and sunset for each day.

October Winds in Minamata

As October arrives in Minamata, Japan, the wind takes on a gentle demeanor, with an average speed of 2.0 m/s (5 mph). This marks a shift to the calmest months of the year, following a slight decline from September's breeze. Throughout the summer, wind speeds hovered around 2.3 to 2.5 m/s, but as autumn sets in, a noticeable reduction emerges, continuing a trend established earlier in the year. October's winds are a precursor to the slightly brisker conditions of November, hinting at a return of stronger gusts at 2.4 m/s (5 mph). Overall, the winds of October provide a tranquil backdrop to the changing seasons, mirroring the serene beauty of Minamata's landscape as it transitions into fall.

Average October Wind Speed in Minamata

The chart displays monthly wind speed patterns in Minamata, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.73.02.52.72.51.82.32.52.02.0 m/s2.42.8
Data source: Minamata October wind data, generated using information from the Copernicus Climate Change Service.

How October Weather in Minamata Compares to Other Months

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

October and January present contrasting weather patterns. In October, temperatures range from a mild 9°C (48°F) to a warm 32°C (89°F), with an average of 20°C (68°F), while January is much cooler, with a minimum temperature of -4°C (25°F) and a maximum of 20°C (68°F), averaging just 7°C (44°F). Precipitation in October is significantly higher at 131 mm (5.2 in) over approximately 10 days, compared to January's 61 mm (2.4 in) over 7 days. Additionally, October experiences higher humidity at 83%, whereas January sees a lower humidity level of 75%. For more detailed insights on January weather, visit Minamata weather in January.

In comparing October and February, October boasts a range of temperatures, with a minimum of 9°C (48°F) and a maximum reaching up to 32°C (89°F), resulting in an average of 20°C (68°F). This month experiences higher humidity at 83% and considerable rainfall, totaling 131 mm (5.2 in) over approximately 10 days. In contrast, February sees colder temperatures, starting as low as -3°C (27°F) and peaking at 20°C (69°F), with an average of 8°C (46°F). Although precipitation is slightly lower at 105 mm (4.1 in), it still falls on 10 days, contributing to a lower humidity level of 71%. For more specifics on February weather conditions, you can refer to Minamata weather in February.

When comparing the weather in October and March, notable differences emerge in temperature and precipitation patterns. October boasts warmer temperatures, ranging from a minimum of 9°C to a maximum of 32°C, with an average around 20°C. In contrast, March presents cooler conditions, with temperatures dipping as low as 1°C and peaking at 26°C, averaging just 12°C. While October experiences significant humidity at 83%, March maintains a lower humidity level of 71%. Precipitation is slightly higher in March, totaling 149 mm over 14 days, compared to October's 131 mm over 10 days. For a detailed look at weather conditions specifically in March, you can visit Minamata weather in March.

In comparing the weather patterns of October and April, we see notable differences in temperature and precipitation. October exhibits a broader temperature range, with minimums around 9°C (48°F) and maximums reaching up to 32°C (89°F), resulting in a warm average of 20°C (68°F). In contrast, April is cooler overall, with temperatures ranging from a minimum of 4°C (39°F) to a maximum of 27°C (82°F) and an average of 16°C (61°F). Although precipitation is slightly higher in April at 143 mm (5.6 in) compared to October's 131 mm (5.2 in), both months experience rain over approximately 10 days. Humidity levels are also marginally higher in October at 83%, compared to 78% in April. For a more detailed look at April weather specifically, you can check Minamata weather in April.

When comparing October and May weather, both months exhibit similar average temperatures, with October offering a slightly higher maximum of 32°C (89°F) compared to May's 30°C (87°F). However, May tends to be wetter, receiving 234 mm (9.2 in) of precipitation over 12 days, surpassing October's 131 mm (5.2 in) spread across 10 days. Humidity levels are comparable, with October at 83% and May slightly higher at 84%. For those interested in more detailed information, you can explore Minamata weather in May.

In comparing the weather between October and June, October presents a cooler climate with minimum temperatures around 9°C (48°F) and averages peaking at 20°C (68°F), while June enjoys milder minimums of 14°C (58°F) and averages reaching 23°C (74°F). Both months have maximum temperatures quite similar, with October peaking at 32°C (89°F) and June also hitting the same high. However, June is significantly wetter, boasting 342 mm (13.5 in) of precipitation over 18 days compared to October's 131 mm (5.2 in) across 10 days. Humidity is slightly higher in June at 86%, compared to October's 83%. For more detailed information, you can check Minamata weather in June.

When comparing the weather in October and July, there are notable differences. October experiences milder temperatures, with a minimum of 9°C (48°F) and a maximum reaching 32°C (89°F), averaging around 20°C (68°F), whereas July starts warm with a minimum of 18°C (65°F) and peaks at 35°C (96°F) on average at 27°C (80°F). Precipitation levels are significantly higher in July, totaling 465 mm (18.3 in) over 22 days, compared to October's 131 mm (5.2 in) over just 10 days. Humidity also remains high in both months, but July sees a slightly higher average of 92% compared to October's 83%. For a detailed look at conditions during July, visit Minamata weather in July.

In August, the weather tends to be significantly warmer than in October, with temperatures ranging from a minimum of 21°C (71°F) to a maximum of 35°C (96°F) and an average of 28°C (82°F). The month experiences higher humidity at 91% and more frequent rainfall, averaging 242 mm (9.5 in) over 17 days. In contrast, October presents cooler temperatures with a minimum of 9°C (48°F) and a maximum of 32°C (89°F), although the average temperature is still comfortable at 20°C (68°F). While October sees less precipitation at 131 mm (5.2 in) over 10 days, humidity remains high at 83%. For a more detailed look at August weather, visit Minamata weather in August.

In comparing the weather between September and October, October exhibits a notable shift in temperature, with a minimum of 9°C (48°F) and an average of 20°C (68°F), compared to September's warmer minimum of 14°C (57°F) and an average of 25°C (77°F). While October has a maximum temperature of 32°C (89°F), it is slightly lower than September's peak of 34°C (94°F). Furthermore, October experiences less precipitation overall, receiving 131 mm (5.2 in) across 10 days, in contrast to September's heavier rainfall of 228 mm (9.0 in) over 16 days. Humidity levels are relatively similar, with October at 83% and September at 84%. For a more detailed look at September conditions, you can visit Minamata weather in September.

In October, temperatures range from a chilly 9°C (48°F) at night to a warm 32°C (89°F) during the day, with an average of 20°C (68°F). This month also experiences higher precipitation, with 131 mm (5.2 in) falling over approximately 10 days, contributing to a relatively humid environment at 83%.

In contrast, November brings a significant drop in temperatures, with nighttime lows plummeting to 1°C (34°F) and daytime highs averaging just 14°C (57°F), peaking at 25°C (77°F). The total precipitation decreases to 96 mm (3.8 in) over 9 days, with slightly lower humidity at 81%.

For a detailed look at the weather specific to Minamata in November, you can explore Minamata weather in November.

October and December present quite different weather patterns. In October, temperatures typically range from a mild minimum of 9°C (48°F) to a warm maximum of 32°C (89°F), with an average of 20°C (68°F). This month sees considerable rainfall, accumulating to 131 mm (5.2 in) over about 10 days, accompanied by high humidity levels at 83%. In contrast, December experiences cooler temperatures, with a minimum dipping to -1°C (30°F) and an average dropping to 8°C (47°F). The maximum temperature is a much more comfortable 24°C (75°F). While rainfall is less frequent in December, accumulating to 90 mm (3.5 in) over just 8 days, humidity levels are slightly lower at 79%. For more details on December's weather specifics, you can refer to Minamata weather in December.

Compare Minamata's Climate with Cities Worldwide

Conclusion: What to Expect From October Weather in Minamata

In October, Minamata experiences a delightful shift in weather, transitioning from the heat of summer to a more moderate climate. The days are pleasantly warm, complemented by cool nights, making it a great time for outdoor activities. While humidity remains high, averaging around 83%, the increased precipitation, with around ten rainy days, refreshes the landscape and enriches the vibrant autumn colors. Compared to the sweltering summer months, October offers a refreshing respite, inviting both locals and visitors to enjoy the natural beauty of the region. For more insights on the weather patterns throughout the year, check out Minamata Climate.