October Weather in Shirahama, Japan

Last updated: August 21, 2025

October in Shirahama, Japan, is a delightful transition into cooler autumn weather. With maximum temperatures reaching 27°C (81°F) and an average of 21°C (69°F), the days remain pleasantly warm, while nighttime lows dip to around 13°C (56°F). This month also sees considerable rainfall, accumulating to 307 mm (12.1 in) over about 13 days, contributing to a humidity level of 79%. Visitors can enjoy the vibrant fall foliage amidst moderate weather, making it an ideal time for exploration and outdoor activities in this picturesque coastal town.

October Temperature in Shirahama

In October, Shirahama, Japan, experiences a delightful shift in temperatures, marking the transition from the sultry summer months to the refreshing autumn season. With a minimum temperature of 13°C (56°F) and a maximum reaching 27°C (81°F), the weather is pleasantly mild, making it an ideal time for outdoor activities. The average temperature hovers around 21°C (69°F), offering comfortable days and cooler evenings. This gradual drop in temperatures from the warmer summer highs encourages visitors to enjoy the stunning coastal scenery without the sweltering heat, providing a perfect backdrop for exploring the beautiful beaches or indulging in local cuisine. As October unfolds, the crispness of fall begins to weave itself into the fabric of Shirahama's vibrant atmosphere, inviting both adventure and relaxation.

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

The chart illustrates October temperature patterns in Shirahama, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Shirahama, 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).
JanFebMarAprMayJunJulAugSepOctNovDec474753596672788177696052
Data source: Temperature data for Shirahama 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 Shirahama

In October, Shirahama experiences a notable increase in precipitation, with a total of 307 mm (12.1 in) recorded, making it one of the wettest months of the year. This surge is accompanied by rainfall across 13 days, contributing to the lush landscape of the region as autumn settles in. Following a relatively dry September with 239 mm of rain, October's rainfall reflects a seasonal shift, with moisture levels being significantly higher than earlier months such as July and August, which typically see heavier showers. This pattern highlights the transition into fall, where increased precipitation helps support local ecosystems while also serving as a precursor to the drier months ahead in November and December.

October Precipitation Trends in Shirahama

The chart displays monthly precipitation patterns in Shirahama, 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 Shirahama, October typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec77981491482042383532272393077285
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Shirahama

In October, humidity in Shirahama, Japan, settles at a comfortable 79%, reflecting a gradual decline from the peak summer months. Starting in June, the region experiences a significant rise in humidity, hitting a high of 92% in July, which is typical for the hot season. As autumn progresses, humidity levels begin to ease, falling from 82% in September to 79% this month. Though October's humidity is still relatively high compared to other months, it marks a transition towards drier conditions, paving the way for the cooler and more crisp air of late fall. Overall, the trend indicates a clear seasonal shift, as the humidity decreases steadily from the sweltering summer to the refreshing autumn.

October Average Humidity in Shirahama

This chart illustrates the average monthly humidity levels in Shirahama, 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 Shirahama is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec72%69%69%75%82%87%92%86%82%79%76%74%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Shirahama

In October, Shirahama experiences a high UV Index of 7, indicating that while the sun is still strong, the risk of harm from unprotected sun exposure is lower than in the peak summer months. With a burn time of 25 minutes, it’s essential for outdoor enthusiasts to remain vigilant and take precautions. This month marks a transition as the UV Index begins to decrease from the extreme levels seen during the intense summer months of July and August, which topped at 12. As autumn unfolds, the UV levels gradually decline, but sun safety remains a priority, especially for those enjoying the cooler, picturesque weather. For more details about UV trends and safety in Shirahama, check the Shirahama UV Index.

Maximum UV Index Levels in Shirahama for October

The chart shows the monthly maximum UV Index (UVI) for Shirahama 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 Shirahama typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec469101111121110764
Data source: Shirahama 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 Shirahama

October in Shirahama, Japan, brings a delightful blend of warmth and sunlight, with 244 hours of sunshine gracing the coast. This month sits comfortably after the summer peak in August, which boasts a remarkable 323 hours of bright skies, marking it as the sunniest time of the year. As autumn sets in, October maintains a respectable brightness compared to the earlier months, showcasing a gradual decline in sunshine, yet still exceeding the winter months that follow. The consistent trend in October highlights its role as a transition period, where the vibrant hues of autumn are complemented by a generous share of sunlight, promising beautiful days for visitors and locals alike.

Monthly Sunshine Duration in Shirahama: October Highlighted

The October sunshine duration represents the total number of hours Shirahama 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.
JanFebMarAprMayJunJulAugSepOctNovDec188h232h273h284h297h276h286h323h265h244h243h231h
Data source: Shirahama October Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Shirahama During October

In Shirahama, Japan, October boasts a notably high 63% chance of sunny weather, marking it as one of the sunniest months of the year. This trend comes as a refreshing shift from the summer months, which typically see lower sunshine probabilities, averaging around 30%. As autumn unfolds, the likelihood of clear skies surpasses not only the previous months but also stands out against the more variable weather patterns of spring. With November and December also maintaining decent sunshine rates at 55% and 59%, respectively, October provides an ideal opportunity for outdoor enthusiasts to bask in the warmth of the sun before the chill of winter sets in.

Percentage of Sunny Days in October in Shirahama

The chart illustrates the percentage of sunny days in Shirahama 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 Shirahama experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec45%54%46%49%29%25%30%32%29%63%55%59%
Data source: Shirahama October chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Shirahama in October

As autumn settles in Shirahama, Japan, October brings a subtle shift in daylight, with 11 hours of sunshine gracing the days. This marks a gradual decline from the longer, sun-filled months of June and July, which enjoy 14 hours of daylight. Following the vibrant spring and early summer, where daylight peaked, October hints at the approaching cooler months. The trend shows a steady tapering from the lush 13 hours of daylight in May and August, down to 10 hours in November, embodying nature's rhythm as it transitions towards winter. With the softer light of October, residents and visitors alike can revel in the tranquil beauty of fall, making each hour under the sun feel even more precious.

Average Daylight Hours in Shirahama for October

The chart illustrates the variation in daylight duration in Shirahama throughout the year, with October highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 10m10h 57m11h 58m13h 1m13h 54m14h 20m14h 7m13h 21m12h 21m11h 18m10h 24m9h 56m
Data source: Shirahama daylight hours, calculated by summing the hours between sunrise and sunset for each day.

October Winds in Shirahama

As October sweeps into Shirahama, Japan, a gentle shift in the air is palpable with an average wind speed of 4.9 m/s (11 mph). This marks a noticeable increase from the calmer summer months of June and July, where breezes hovered around 3.8 m/s (8 mph) and 3.9 m/s (9 mph), respectively. The autumn season ushers in a mild refresh, contrasting with the more robust winds of the earlier months, like January and December, which see averages of 6.4 m/s (14 mph) and 6.5 m/s (15 mph). As the warmer days give way to cooler evenings, October's winds serve as a gentle reminder of the approaching winter, blending serenity with a whisper of change.

Average October Wind Speed in Shirahama

The chart displays monthly wind speed patterns in Shirahama, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6.46.46.05.84.63.83.95.14.44.9 m/s5.46.5
Data source: Shirahama October wind data, generated using information from the Copernicus Climate Change Service.

How October Weather in Shirahama Compares to Other Months

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

October and January present striking contrasts in weather. October tends to be much warmer with average temperatures ranging from a mild 21°C (69°F) to a high of 27°C (81°F), compared to January's cooler averages of just 8°C (47°F) and a maximum of 18°C (64°F). Additionally, October is significantly wetter, receiving 307 mm (12.1 in) of precipitation over 13 days, while January sees only 77 mm (3.0 in) across 9 days. Despite being the cooler month, January also enjoys lower humidity levels at 72%, compared to October's humidity of 79%. For a detailed look at January weather, you can check Shirahama weather in January.

October and February present contrasting weather patterns. In October, temperatures range from a mild minimum of 13°C (56°F) to a maximum of 27°C (81°F), with an average temperature of 21°C (69°F). This month is characterized by significant rainfall, totaling 307 mm (12.1 in) over approximately 13 days, accompanied by high humidity levels at 79%. In stark contrast, February experiences much cooler temperatures, with a minimum of 1°C (35°F) and an average of only 8°C (47°F), peaking at 18°C (65°F). The precipitation in February is significantly lower, at 98 mm (3.9 in) over about 10 days, and humidity sits at a more comfortable 69%. For more detailed information, check out Shirahama weather in February.

October and March present distinct contrasts in weather. October boasts warmer temperatures, with a minimum of 13°C (56°F) and an average of 21°C (69°F), peaking at 27°C (81°F). It is characterized by considerable rainfall, receiving 307 mm (12.1 in) over approximately 13 days, resulting in a higher humidity level of 79%. In contrast, March experiences cooler conditions, with temperatures dropping to a minimum of 4°C (39°F) and averaging just 12°C (53°F), peaking at 19°C (66°F). Precipitation in March is significantly lower at 149 mm (5.9 in) over about 11 days, and the humidity level is also reduced to 69%. For more specific insights into March weather, you can check Shirahama weather in March.

In comparing the weather between October and April, October typically experiences warmer temperatures with an average of 21°C (69°F) and highs reaching up to 27°C (81°F), while April's average is cooler at 15°C (59°F) and peaks at 21°C (70°F). October also sees significantly more rainfall, receiving 307 mm (12.1 in) over about 13 days, compared to April’s 148 mm (5.8 in) over just 10 days. Humidity levels are relatively similar, with October at 79% and April slightly lower at 75%. For more details on April weather patterns, you can visit Shirahama weather in April.

In October, the weather tends to be warmer compared to May, with average temperatures ranging from 21°C (69°F) to a maximum of 27°C (81°F). This month also experiences significantly higher precipitation, with 307 mm (12.1 in) over 13 days, contributing to a humidity level of 79%. In contrast, May sees slightly cooler averages, with temperatures spanning from a minimum of 12°C (54°F) to a maximum of 25°C (77°F). The precipitation in May is lower at 203 mm (8.0 in) across 10 days, and humidity remains relatively high at 82%. For those interested in exploring more about May weather, you can check out Shirahama weather in May.

In comparing the weather between October and June, October typically experiences warmer daytime temperatures, with averages around 21°C (69°F) and maximums reaching up to 27°C (81°F), while June's average is slightly lower at 22°C (72°F) with a maximum of 26°C (79°F). However, June tends to be more humid, with levels at 87% compared to October's 79%. Precipitation is also notable; October has a higher total rainfall of 307 mm (12.1 in) over 13 days, although June has a significant rainfall of 237 mm (9.3 in) spread across 14 days. For a deeper look into the weather patterns in June, you can reference Shirahama weather in June.

In comparing the weather between October and July, October offers a cooler experience with average temperatures ranging from 13°C (56°F) to 27°C (81°F), compared to the warmer July averages, which span from 21°C (71°F) to 31°C (88°F). While July exhibits higher humidity levels at 92%, October maintains a slightly lower humidity at 79%. Precipitation is also notable in both months; October receives 307 mm (12.1 in) over 13 days, whereas July experiences even heavier rainfall with 353 mm (13.9 in) across 18 days. For more insights on July weather, check out Shirahama weather in July.

October and August in Shirahama present distinctly different weather experiences. In October, temperatures range from a cool 13°C (56°F) at night to a pleasant 27°C (81°F) during the day, averaging around 21°C (69°F). This month also sees a significant amount of rainfall, with 307 mm (12.1 in) spread over 13 days, coupled with a humidity level of 79%. In contrast, August is warmer, with nighttime lows of 22°C (73°F) and daytime highs peaking at 31°C (89°F), averaging 27°C (81°F). Although August is slightly drier with 227 mm (8.9 in) of rain over 14 days, the humidity is higher at 86%. For more detailed insights on Shirahama's August weather, visit Shirahama weather in August.

In comparing the weather between September and October, October tends to be cooler, with temperatures ranging from a minimum of 13°C (56°F) to a maximum of 27°C (81°F), compared to September's higher range of 19°C (67°F) to 30°C (86°F). October also sees an increase in precipitation, totaling 307 mm (12.1 in) with rain on 13 days, whereas September records 239 mm (9.4 in) of rain over 16 days. Interestingly, while October's average humidity is slightly lower at 79%, September maintains a higher level at 82%. For more details about September weather, you can refer to Shirahama weather in September.

October and November present notable contrasts in weather conditions. October typically features milder temperatures, with a minimum of 13°C (56°F) and an average high of 27°C (81°F), while November experiences cooler temperatures, dipping to a minimum of 8°C (47°F) and averaging a maximum of 23°C (73°F). Additionally, October is characterized by significantly higher rainfall, totaling 307 mm (12.1 in) over 13 days, compared to November's 72 mm (2.8 in) across just 7 days. Humidity remains relatively high in both months, with October at 79% and November slightly lower at 75%. For a detailed overview of specific conditions, you can check Shirahama weather in November.

In October, the weather is typically warm and vibrant, with temperatures ranging from a minimum of 13°C (56°F) to a maximum of 27°C (81°F). The month also experiences significant rainfall, averaging 307 mm (12.1 in) over about 13 days, leading to a humidity level of 79%. In contrast, December brings a noticeable chill, with temperatures dropping to a minimum of 3°C (38°F) and averaging around 11°C (52°F), peaking at 20°C (69°F). This month sees much less rainfall, averaging 85 mm (3.4 in) across 9 days, and slightly lower humidity at 74%. For a closer look at the December conditions, visit Shirahama weather in December.

Compare Shirahama's Climate with Cities Worldwide

Conclusion: What to Expect From October Weather in Shirahama

As October unfolds in Shirahama, the transition from the warm embrace of summer to the cooler whispers of autumn becomes evident. With average temperatures settling around a comfortable 21°C (69°F), it offers a delightful respite compared to the sweltering heat of the preceding months. However, expect some rain, as this month records a notable increase in precipitation, totaling around 307 mm (12.1 in) across approximately half the month. The humidity level hovers at 79%, adding a slight chill to the air, especially during cooler evenings. This blend of warmth and moisture creates an inviting atmosphere for visitors, making it a unique time to experience Shirahama's natural beauty. For more detailed insights into the weather patterns throughout the year, visit Shirahama Climate.