October Weather in Hamatonbetsu, Japan

Last updated: August 23, 2025

In October, the average temperature in Hamatonbetsu, Japan is a mild 12°C (54°F), with minimums dipping to 4°C (40°F) and maximums reaching up to 20°C (69°F). Expect around 126 mm (5.0 in) of precipitation spread across 15 days, contributing to an average humidity of 79%. Plan accordingly for a mix of pleasant and rainy days!

October Temperature in Hamatonbetsu

In October in Hamatonbetsu, the average temperature is 12°C (54°F). Maximum temperatures can reach 20°C (69°F), while minimums can drop as low as 4°C (40°F). It's advisable to pack layers to stay comfortable during your travels.

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

The chart illustrates October temperature patterns in Hamatonbetsu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hamatonbetsu, October typically has an average temperature of 12°C (54°F), with highs reaching up to 20°C (69°F) and lows dropping to around 4°C (40°F).

Data source: Temperature data for Hamatonbetsu generated using information from the Copernicus Climate Change Service.

October Precipitation in Hamatonbetsu

In Hamatonbetsu in October, the precipitation amount is 126 mm (5.0 in) spread over 15 days.

October Precipitation Trends in Hamatonbetsu

The chart displays monthly precipitation patterns in Hamatonbetsu, 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 Hamatonbetsu, October typically receives around 126 mm (5.0 inches) of precipitation spread over approximately 15 days.

Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

October Humidity in Hamatonbetsu

In Hamatonbetsu in October, humidity is 79%. With an average temperature of 12°C (54°F), this humidity makes traveling feel quite muggy, leading to a sticky discomfort that can sap your energy and make outdoor activities less enjoyable.

October Average Humidity in Hamatonbetsu

This chart illustrates the average monthly humidity levels in Hamatonbetsu, 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 Hamatonbetsu is approximately 79%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Hamatonbetsu

In Hamatonbetsu in October, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Hamatonbetsu.

Maximum UV Index Levels in Hamatonbetsu for October

The chart shows the monthly maximum UV Index (UVI) for Hamatonbetsu 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 Hamatonbetsu typically reaches 5, which falls under the moderate exposure category.

Data source: Hamatonbetsu 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 Hamatonbetsu Compares to Other Months

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

This table compares monthly weather conditions in Hamatonbetsu, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-4°C (25°F)	71 mm (2.8 inches)	87%	low
February Weather	-5°C (23°F)	55 mm (2.2 inches)	84%	moderate
March Weather	-1°C (31°F)	70 mm (2.7 inches)	83%	moderate
April Weather	4°C (39°F)	56 mm (2.2 inches)	84%	high
May Weather	8°C (46°F)	83 mm (3.3 inches)	88%	very high
June Weather	11°C (52°F)	92 mm (3.6 inches)	88%	very high
July Weather	16°C (61°F)	100 mm (3.9 inches)	93%	very high
August Weather	18°C (65°F)	164 mm (6.5 inches)	94%	very high
September Weather	17°C (63°F)	76 mm (3.0 inches)	86%	high
October Weather	12°C (54°F)	126 mm (5.0 inches)	79%	moderate
November Weather	5°C (41°F)	136 mm (5.4 inches)	77%	moderate
December Weather	-1°C (30°F)	129 mm (5.1 inches)	83%	low