October Weather in Hekinan, Japan

Last updated: August 23, 2025

In October, the average temperature in Hekinan, Japan hovers around 20°C (68°F). Expect a minimum of 8°C (48°F) and a maximum that can reach up to 31°C (89°F). During this time, the region can experience precipitation totaling 234 mm (9.2 in), spread across about 12 days. With an average humidity of 85%, it's crucial to prepare for a humid atmosphere!

October Temperature in Hekinan

In October in Hekinan, the average temperature is 20°C (68°F). Maximums can reach 31°C (89°F), while minimums can drop to as low as 8°C (48°F). This makes Hekinan an ideal destination for travelers seeking mild weather with a range of temperatures for outdoor activities.

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

The chart illustrates October temperature patterns in Hekinan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hekinan, October typically has an average temperature of 20°C (68°F), with highs reaching up to 31°C (89°F) and lows dropping to around 8°C (48°F).
JanFebMarAprMayJunJulAugSepOctNovDec424452606874818477675647
Data source: Temperature data for Hekinan 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 Hekinan

In Hekinan in October, the total precipitation amount is 234 mm (9.2 in) spread over 12 days.

October Precipitation Trends in Hekinan

The chart displays monthly precipitation patterns in Hekinan, 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 Hekinan, October typically receives around 234 mm (9.2 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec43541301321701503081681612345551
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Hekinan

In Hekinan in October, humidity is 85%. With an average temperature of 20°C (68°F), this humidity feels like a warm, sticky blanket enveloping you, making outdoor activities quite uncomfortable and prompting travelers to seek shade and hydration more frequently.

October Average Humidity in Hekinan

This chart illustrates the average monthly humidity levels in Hekinan, 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 Hekinan is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%79%74%76%83%87%93%91%87%85%83%83%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Hekinan

In Hekinan in October, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Hekinan.

Maximum UV Index Levels in Hekinan for October

The chart shows the monthly maximum UV Index (UVI) for Hekinan 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 Hekinan typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111111110753
Data source: Hekinan 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 Hekinan Compares to Other Months

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

This table compares monthly weather conditions in Hekinan, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)43 mm (1.7 inches)82%moderate
February Weather7°C (44°F)54 mm (2.1 inches)79%high
March Weather11°C (52°F)130 mm (5.1 inches)74%very high
April Weather15°C (60°F)132 mm (5.2 inches)76%very high
May Weather20°C (68°F)170 mm (6.7 inches)83%extreme
June Weather24°C (75°F)150 mm (5.9 inches)87%extreme
July Weather27°C (81°F)308 mm (12.1 inches)93%extreme
August Weather29°C (85°F)168 mm (6.6 inches)91%extreme
September Weather25°C (78°F)161 mm (6.3 inches)87%very high
October Weather20°C (68°F)234 mm (9.2 inches)85%high
November Weather13°C (57°F)55 mm (2.2 inches)83%moderate
December Weather8°C (47°F)51 mm (2.0 inches)83%moderate

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