August Weather in Hamatonbetsu, Japan

Last updated: August 23, 2025

In August, the average temperature in Hamatonbetsu, Japan hovers around 18°C (65°F). Visitors can expect a minimum of 14°C (58°F) and a maximum of 25°C (77°F), making for a pleasantly mild climate. However, be prepared for precipitation averaging 164 mm (6.5 in) over 14 days, coupled with a high average humidity of 94%.

August Temperature in Hamatonbetsu

In August in Hamatonbetsu, the average temperature is 18°C (65°F). Maximums can reach 25°C (77°F) and minimums can be as low as 14°C (58°F). This mild climate makes Hamatonbetsu an ideal destination for travelers seeking pleasant weather and outdoor activities.

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

The chart illustrates August 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, August typically has an average temperature of 18°C (65°F), with highs reaching up to 25°C (77°F) and lows dropping to around 14°C (58°F).

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

August Precipitation in Hamatonbetsu

In Hamatonbetsu in August, the precipitation amount is 164 mm (6.5 in) spread over 14 days.

August Precipitation Trends in Hamatonbetsu

The chart displays monthly precipitation patterns in Hamatonbetsu, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Hamatonbetsu, August typically receives around 164 mm (6.5 inches) of precipitation spread over approximately 14 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

August Humidity in Hamatonbetsu

In Hamatonbetsu in August, humidity is 94%. With an average temperature of 18°C (65°F), this humidity feels like a warm, thick blanket enveloping you, making even short excursions outside feel uncomfortable and sticky for traveling.

August Average Humidity in Hamatonbetsu

This chart illustrates the average monthly humidity levels in Hamatonbetsu, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Hamatonbetsu is approximately 94%, offering insight into how humid the weather typically is during this month.

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

August UV Index in Hamatonbetsu

In Hamatonbetsu in August, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Hamatonbetsu.

Maximum UV Index Levels in Hamatonbetsu for August

The chart shows the monthly maximum UV Index (UVI) for Hamatonbetsu in August, 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 August, the maximum UV index in Hamatonbetsu typically reaches 8, which falls under the very high exposure category.

Data source: Hamatonbetsu August 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 August 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 August’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 August’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