August Weather in Tomari, Japan

Last updated: August 23, 2025

In Tomari, Japan, the average temperature in August hovers around 21°C (70°F), with a minimum of 12°C (55°F) and a maximum reaching up to 31°C (88°F). Expect a considerable amount of rain, with 145 mm (5.7 in) of precipitation spread over 15 days. The atmosphere is notably humid, with an average humidity level of 95%.

August Temperature in Tomari

In August in Tomari, the average temperature is 21°C (70°F). Maximum temperatures can reach 31°C (88°F), while minimums can drop as low as 12°C (55°F). This mild climate makes it an ideal destination for travelers seeking pleasant weather.

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

The chart illustrates August temperature patterns in Tomari, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tomari, August typically has an average temperature of 21°C (70°F), with highs reaching up to 31°C (88°F) and lows dropping to around 12°C (55°F).

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

August Precipitation in Tomari

In Tomari in August, the precipitation amount is 145 mm (5.7 in) spread over the course of 15 days.

August Precipitation Trends in Tomari

The chart displays monthly precipitation patterns in Tomari, 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 Tomari, August typically receives around 145 mm (5.7 inches) of precipitation spread over approximately 15 days.

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

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Millimeters (mm) Inches (in)

August Humidity in Tomari

In Tomari in August, humidity is 95%. With an average temperature of 21°C (70°F), this humidity feels like a thick, warm blanket enveloping you, making every outdoor excursion sweat-inducing and your clothes cling to your skin.

August Average Humidity in Tomari

This chart illustrates the average monthly humidity levels in Tomari, 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 Tomari is approximately 95%, 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 Tomari

In Tomari in August, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Tomari.

Maximum UV Index Levels in Tomari for August

The chart shows the monthly maximum UV Index (UVI) for Tomari 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 Tomari typically reaches 10, which falls under the very high exposure category.

Data source: Tomari 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 Tomari Compares to Other Months

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

This table compares monthly weather conditions in Tomari, 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)	99 mm (3.9 inches)	84%	low
February Weather	-3°C (26°F)	103 mm (4.1 inches)	83%	moderate
March Weather	1°C (34°F)	98 mm (3.8 inches)	81%	moderate
April Weather	5°C (41°F)	88 mm (3.4 inches)	81%	high
May Weather	11°C (53°F)	86 mm (3.4 inches)	86%	very high
June Weather	15°C (59°F)	109 mm (4.3 inches)	87%	very high
July Weather	20°C (68°F)	94 mm (3.7 inches)	93%	very high
August Weather	21°C (70°F)	145 mm (5.7 inches)	95%	very high
September Weather	18°C (64°F)	126 mm (5.0 inches)	88%	very high
October Weather	12°C (53°F)	149 mm (5.9 inches)	83%	moderate
November Weather	5°C (41°F)	176 mm (6.9 inches)	79%	moderate
December Weather	-2°C (29°F)	159 mm (6.3 inches)	80%	low