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October Weather in Hiroo, Japan

Last updated: August 23, 2025

In October, the average temperature in Hiroo, Japan hovers around 12°C (54°F). You'll experience minimums as low as 2°C (35°F), with maximums reaching up to 23°C (73°F). Be prepared for some wet days, as 201 mm (7.9 in) of precipitation typically falls over 14 days, contributing to a high average humidity of 83%. Stay cozy and enjoy the season!

October Temperature in Hiroo

In October in Hiroo, the average temperature is 12°C (54°F). Maximums can reach 23°C (73°F), while minimums can drop as low as 2°C (35°F). This mild climate makes Hiroo an ideal destination for travelers looking to explore without extreme weather conditions.

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

The chart illustrates October temperature patterns in Hiroo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hiroo, October typically has an average temperature of 12°C (54°F), with highs reaching up to 23°C (73°F) and lows dropping to around 2°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec242433425257656763534330
Data source: Temperature data for Hiroo 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 Hiroo

In Hiroo in October, the precipitation amount is 201 mm (7.9 in) over a span of 14 days.

October Precipitation Trends in Hiroo

The chart displays monthly precipitation patterns in Hiroo, 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 Hiroo, October typically receives around 201 mm (7.9 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec616511597951051061751402019066
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Hiroo

In Hiroo in October humidity is 83%. With an average temperature of 12°C (54°F), this humidity feels like a heavy blanket wrapping around you, making outdoor exploration feel sticky and uncomfortable, which can dampen the excitement of traveling.

October Average Humidity in Hiroo

This chart illustrates the average monthly humidity levels in Hiroo, 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 Hiroo is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%83%83%83%86%88%93%96%89%83%80%79%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Hiroo

In Hiroo in October, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Hiroo, you can refer to this Hourly UV Index in Hiroo.

Maximum UV Index Levels in Hiroo for October

The chart shows the monthly maximum UV Index (UVI) for Hiroo 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 Hiroo typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec236891010108632
Data source: Hiroo 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.

How October Weather in Hiroo Compares to Other Months

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

This table compares monthly weather conditions in Hiroo, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (24°F)61 mm (2.4 inches)84%low
February Weather-4°C (25°F)65 mm (2.6 inches)83%moderate
March Weather1°C (34°F)115 mm (4.5 inches)83%high
April Weather5°C (42°F)97 mm (3.8 inches)83%very high
May Weather11°C (52°F)95 mm (3.7 inches)86%very high
June Weather14°C (58°F)105 mm (4.1 inches)88%very high
July Weather18°C (65°F)106 mm (4.2 inches)93%very high
August Weather19°C (67°F)175 mm (6.9 inches)96%very high
September Weather17°C (63°F)140 mm (5.5 inches)89%very high
October Weather12°C (54°F)201 mm (7.9 inches)83%high
November Weather6°C (43°F)90 mm (3.6 inches)80%moderate
December Weather-1°C (30°F)66 mm (2.6 inches)79%low

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