October Weather in Amakusa, Japan

Last updated: August 21, 2025

October in Amakusa, Japan offers a delightful blend of warm temperatures and refreshing coastal breezes. With maximum temperatures reaching up to 33°C (92°F) and an average of 21°C (70°F), the month is characterized by its mild climate. A minimum of 11°C (52°F) can be expected during cooler nights. However, October also brings a fair amount of rainfall, with precipitation totaling 120 mm (4.7 in) over 9 days, ensuring that the lush landscapes remain vibrant. The humidity remains high at 83%, adding a tropical feel to the atmosphere. Overall, October is an enchanting time to experience the natural beauty and cultural richness of Amakusa.

October Temperature in Amakusa

As October arrives in Amakusa, Japan, the air begins to crisp and cool, offering a delightful transition from the lingering warmth of summer. The temperatures settle into a comfortable average of 21°C (70°F), with daytime highs reaching up to 33°C (92°F), making it an ideal time for outdoor exploration. While evenings are pleasantly mild with minimums of 11°C (52°F), layers may be wise as the region prepares for the chillier months ahead. This month marks a shift from the oppressive heat of July and August, reflecting a steady decline in warmth and inviting locals and travelers alike to savor the charm of autumn in this picturesque part of Japan.

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

The chart illustrates October temperature patterns in Amakusa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Amakusa, 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).
JanFebMarAprMayJunJulAugSepOctNovDec474856637075828478705950
Data source: Temperature data for Amakusa 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 Amakusa

In October, Amakusa experiences a notable drop in precipitation compared to the sweltering summer months, with an average of 120 mm (4.7 in) of rain spread across roughly 9 days. This marks a shift from September's 227 mm, showcasing a transition towards drier autumn weather. As the landscape begins to shed its summer vibrancy, the reduced rainfall allows for a refreshing reprieve, giving residents and visitors alike a chance to enjoy the splendor of fall colors without the heavy rainfall that characterized earlier months. With humidity decreasing and cooler temperatures settling in, October is a month where the allure of Amakusa lies in its crisp air and the gentle patter of autumn rain, offering an inviting balance between wet and dry.

October Precipitation Trends in Amakusa

The chart displays monthly precipitation patterns in Amakusa, 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 Amakusa, October typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec54911431342252984752952271208890
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Amakusa

As October arrives in Amakusa, Japan, the humidity remains notably high, averaging around 83%. While this marks a slight decrease from the intense summer months of July and August, which reach peaks of 92% and 91% respectively, it still reflects the region's characteristic moisture. Humidity levels begin to cool slightly from the peak summer figures but remain elevated compared to the earlier months of the year, with January starting at 75%. This gradual transition indicates the onset of autumn, as the lush, tropical environment of Amakusa persists, enveloping the island in a warm and humid embrace even as the cooler season begins to set in.

October Average Humidity in Amakusa

This chart illustrates the average monthly humidity levels in Amakusa, 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 Amakusa 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 Amakusa

In October, Amakusa experiences a UV Index of 8, placing it in the very high exposure category, with a burn time of just 15 minutes. This marks a notable decrease from the extreme levels seen in the summer months of August, where the index peaked at 13, and from the consistent 12s in June and July. As the weather transitions into fall, the UV levels remain significant, reminding residents and visitors alike of the lingering intensity of the sun. It's essential to remain vigilant with sun protection, particularly during midday hours, as October's conditions still call for caution. For more detailed information on UV levels throughout the year, check out Amakusa UV Index.

Maximum UV Index Levels in Amakusa for October

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

October in Amakusa, Japan, marks a delightful transition as the days gradually shorten while still basking in a generous 262 hours of sunlight. This time of year showcases a slight decline compared to the sun-drenched bliss of August, which boasted a remarkable 305 hours. However, October still stands as one of the brighter months, comfortably surpassing the sunnier spells of early winter months like November and December. As summer fades, October offers a mild and warm atmosphere, making it a perfect backdrop for enjoying the lingering vivid colors of autumn and the serene beauty of this coastal paradise.

Monthly Sunshine Duration in Amakusa: October Highlighted

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

Chance of Sun in Amakusa During October

In October, Amakusa, Japan, experiences a notable shift in weather patterns, boasting a 63% chance of sunny days—the highest percentage for the entire year. This is a significant increase compared to the preceding months, where the likelihood of sunshine dwindles, particularly during the summer when it falls to as low as 19% in July. As autumn settles in, the region not only welcomes cooler temperatures but also a refreshing wave of clarity, making October an ideal time for outdoor activities. With nearly two-thirds of the month likely to shine bright, it’s the perfect season to enjoy Amakusa’s captivating landscapes and vibrant culture under the sun.

Percentage of Sunny Days in October in Amakusa

The chart illustrates the percentage of sunny days in Amakusa 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 Amakusa experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec38%43%38%41%26%21%19%27%35%63%48%44%
Data source: Amakusa October chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Amakusa in October

In Amakusa, Japan, October marks a subtle transition in daylight duration, where residents experience about 11 hours of sunlight. This month sees a slight decrease from the summer peak of 14 hours in June and July, reflecting the gradual shift towards winter. The trend established in earlier months, with increasing daylight from January through May, peaks in the vivid greenery of June before gently tapering off as cooler temperatures approach. With November and December each offering just 10 hours of daylight, October serves as a graceful lead-in to the shorter days of winter, reminding us of nature's rhythmic cycle.

Average Daylight Hours in Amakusa for October

The chart illustrates the variation in daylight duration in Amakusa throughout the year, with October highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 16m11h11h 59m12h 58m13h 48m14h 13m14h 1m13h 17m12h 20m11h 20m10h 29m10h 2m
Data source: Amakusa daylight hours, calculated by summing the hours between sunrise and sunset for each day.

October Winds in Amakusa

As October sweeps into Amakusa, Japan, the gentle caress of the wind showcases a subtle shift in the seasons. With an average wind speed of 2.4 m/s (5 mph), it marks a slight increase from the preceding months, echoing the transition from the warmth of summer to the cooler embrace of autumn. The winds, which have been gradually diminishing since their peak in January, now whisper softly through the landscape, reminding us of the calm before the winter’s chill. This tranquil breeze invites both locals and visitors alike to take in the stunning fall foliage, as nature prepares itself for the approaching months.

Average October Wind Speed in Amakusa

The chart displays monthly wind speed patterns in Amakusa, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.23.33.02.92.81.82.52.92.22.4 m/s2.73.1
Data source: Amakusa October wind data, generated using information from the Copernicus Climate Change Service.

How October Weather in Amakusa Compares to Other Months

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

In October, the weather tends to be warm and humid, with temperatures ranging from a minimum of 11°C (52°F) to a maximum of 33°C (92°F) and an average of 21°C (70°F). During this month, there is significant rainfall, averaging 120 mm (4.7 in) over about 9 days, contributing to a humidity level of 83%. In contrast, January experiences much cooler temperatures, with a minimum of -2°C (29°F) and a maximum of 21°C (69°F), resulting in an average of 8°C (47°F). The precipitation is lower at 54 mm (2.1 in) over 6 days, and the humidity decreases to 75%. For more detailed information on January weather, you can check Amakusa weather in January.

October and February present contrasting weather patterns. In October, temperatures range from a pleasant 11°C (52°F) at night to a warm 33°C (92°F) during the day, making it ideal for outdoor activities. With an average temperature of 21°C (70°F), this month also sees higher precipitation levels of 120 mm (4.7 in) over about 9 days, accompanied by notable humidity at 83%. Conversely, February experiences much cooler conditions, with nighttime lows dipping to -2°C (29°F) and daytime highs peaking at 22°C (72°F). The average temperature settles around 9°C (49°F), and while precipitation is lower at 91 mm (3.6 in) over the same number of days, humidity is also reduced at 71%. For a detailed look at weather in February, you can visit Amakusa weather in February.

In comparing the weather between October and March, October tends to be warmer with average temperatures ranging from a minimum of 11°C (52°F) to a maximum of 33°C (92°F). In contrast, March experiences cooler conditions, with temperatures spanning from a low of 3°C (38°F) to a high of 25°C (78°F). Additionally, October has a higher humidity level at 83% and generally experiences slightly less precipitation, with 120 mm (4.7 in) over 9 days, compared to March, which sees 143 mm (5.6 in) over 12 days. For more specific details on March weather, you can check Amakusa weather in March.

October and April exhibit distinct weather characteristics that reflect their transition into and out of the warmer months. In October, temperatures range from a minimum of 11°C (52°F) to a maximum of 33°C (92°F), with an average of 21°C (70°F). The month experiences 120 mm (4.7 inches) of precipitation over nine days, accompanied by a relatively high humidity level of 83%. In contrast, April features cooler temperatures, with a minimum of 6°C (42°F) and a maximum of 29°C (84°F), averaging 17°C (63°F). This month sees slightly higher rainfall at 134 mm (5.3 inches) over the same nine days but with lower humidity at 78%. For more details on April weather, you can check Amakusa weather in April.

In comparing the weather patterns of October and May, both months show similar average temperatures around 21°C (70°F), but their extremes vary slightly. October boasts a wider temperature range, with a minimum of 11°C (52°F) and a maximum reaching up to 33°C (92°F), while May has a more moderate maximum of 30°C (86°F) and a minimum of 10°C (50°F). However, May experiences significantly higher precipitation, totaling 224 mm (8.8 in) over 11 days, compared to October's 120 mm (4.7 in) over 9 days. Humidity levels remain comparable, hovering around 83% in October and 84% in May. For more specific details on May's weather, you can refer to Amakusa weather in May.

When comparing the weather in October and June, we see notable differences in temperature and precipitation. October typically experiences milder temperatures, with a minimum of 11°C (52°F) and an average of 21°C (70°F), peaking at 33°C (92°F). In contrast, June has a higher minimum temperature of 16°C (61°F) and an average temperature of 24°C (76°F), with a maximum reaching 32°C (90°F). However, June is much wetter, receiving 298 mm (11.7 in) of precipitation over 16 days, compared to October's 120 mm (4.7 in) over just 9 days. Both months have high humidity levels, but June is slightly more humid at 86% compared to October's 83%. For more specific information on June weather, you can explore Amakusa weather in June.

In comparing the weather of October and July, noticeable differences emerge. October experiences milder temperatures, with a minimum of 11°C (52°F) and an average of 21°C (70°F), while July is significantly warmer, featuring a minimum of 20°C (68°F) and an average of 28°C (82°F). Additionally, July is characterized by much higher precipitation, totaling 475 mm (18.7 in) over 19 days, compared to October's 120 mm (4.7 in) spread over 9 days. Humidity levels are slightly elevated in July at 92%, as opposed to October's 83%. For more detailed insights into July’s climate, you can refer to this link: Amakusa weather in July.

In comparing the weather of October and August, October presents a more moderate climate with temperatures ranging from a minimum of 11°C (52°F) to a maximum of 33°C (92°F) and an average of 21°C (70°F). With 120 mm (4.7 in) of precipitation over 9 days and humidity at 83%, October is generally drier and less humid than August. In contrast, August experiences significantly higher temperatures, with minimums around 21°C (69°F), averages of 29°C (85°F), and maximums soaring up to 39°C (103°F). It also sees greater rainfall, totaling 295 mm (11.6 in) across 15 days, and higher humidity levels at 91%. For more detailed insights into August weather, you can visit Amakusa weather in August.

In October, the weather shows a notable shift compared to September. The minimum temperature drops to 11°C (52°F), while the average temperature falls to 21°C (70°F), compared to September's milder 17°C (62°F) minimum and an average of 26°C (79°F). The maximum temperature also declines slightly, peaking at 33°C (92°F) in October, down from September's 35°C (95°F). Additionally, October experiences more rainfall, totaling 120 mm (4.7 in) over 9 days, compared to September's higher precipitation of 227 mm (8.9 in) across 15 days. Despite a marginal difference in humidity, remaining fairly high at 83% in October compared to 84% in September, the overall conditions signal a gradual transition towards cooler and wetter weather. For more insights on September weather, you can refer to Amakusa weather in September.

October's weather is characterized by warmer temperatures, with minimums around 11°C (52°F) and daytime averages reaching up to 21°C (70°F). The month experiences a peak temperature of 33°C (92°F) and relatively high humidity levels at 83%. In contrast, November sees a notable drop in temperatures, with a minimum of 5°C (41°F) and an average of 15°C (59°F), peaking at a much cooler 26°C (79°F). Precipitation also decreases slightly, with November receiving 88 mm (3.5 in) over 8 days, compared to October's 120 mm (4.7 in) across 9 days, maintaining a similar humidity of 81%. For more specifics on November weather, check Amakusa weather in November.

In October, the weather tends to be warmer, with daytime temperatures averaging around 21°C (70°F) and peaks reaching as high as 33°C (92°F), while nighttime lows rarely dip below 11°C (52°F). However, the month is also characterized by a higher level of humidity at 83% and significant rainfall, averaging 120 mm over about 9 days. In contrast, December brings a notable drop in temperature, with an average of just 10°C (50°F) and maximums only reaching 25°C (77°F), while the minimum temperature can fall to around 1°C (33°F). The precipitation decreases to about 90 mm, occurring over 7 days, and humidity level slightly drops to 79%. For more details on the weather conditions in December, you can visit Amakusa weather in December.

Compare Amakusa's Climate with Cities Worldwide

Conclusion: What to Expect From October Weather in Amakusa

As October rolls in, Amakusa experiences a notable shift in weather, transitioning from the sweltering heat of the summer months. While daytime temperatures can still peak at a warm 33°C (92°F), the average cools down to a mild 21°C (70°F), providing a more comfortable climate for outdoor activities. This month also sees increased precipitation, with about 120 mm falling over approximately 9 days, contributing to the lush greenery that defines the region. Coupled with high humidity levels around 83%, October is a time when the air feels much heavier, inviting a refreshing change from the dry heat of previous months. For more detailed insights into how October fits within the year-round patterns, explore the complete details at Amakusa Climate.