August Weather in Iyo, Japan

Last updated: August 23, 2025

In Iyo, Japan, the average temperature in August is a warm 27°C (81°F), with minimums dipping to 20°C (68°F) and maximums soaring up to 33°C (91°F). Expect 197 mm (7.7 in) of precipitation spread over 15 days, creating a lush environment. The air is typically quite humid, with an average humidity level of 88%, adding to the tropical feel of the month.

August Temperature in Iyo

In August in Iyo, the average temperature is 27°C (81°F). Maximums can reach 33°C (91°F), while minimums can drop to as low as 20°C (68°F). This pleasant weather makes it a great time to explore and enjoy outdoor activities in Iyo.

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

The chart illustrates August temperature patterns in Iyo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Iyo, August typically has an average temperature of 27°C (81°F), with highs reaching up to 33°C (91°F) and lows dropping to around 20°C (68°F).

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

August Precipitation in Iyo

In Iyo in August, the total precipitation amount is 197 mm (7.7 in) over the course of 15 days.

August Precipitation Trends in Iyo

The chart displays monthly precipitation patterns in Iyo, 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 Iyo, August typically receives around 197 mm (7.7 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 Iyo

In Iyo in August, humidity is 88%. With an average temperature of 27°C (81°F), this humidity feels like a warm, thick blanket wrapping around you as you travel, making every step feel more laborious and requiring frequent breaks to cool down and hydrate.

August Average Humidity in Iyo

This chart illustrates the average monthly humidity levels in Iyo, 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 Iyo is approximately 88%, 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 Iyo

In Iyo in August, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Iyo.

Maximum UV Index Levels in Iyo for August

The chart shows the monthly maximum UV Index (UVI) for Iyo 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 Iyo typically reaches 12, which falls under the extreme exposure category.

Data source: Iyo 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 Iyo Compares to Other Months

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

This table compares monthly weather conditions in Iyo, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (42°F)	60 mm (2.4 inches)	74%	moderate
February Weather	6°C (43°F)	90 mm (3.6 inches)	70%	high
March Weather	10°C (50°F)	129 mm (5.1 inches)	70%	very high
April Weather	14°C (57°F)	135 mm (5.3 inches)	76%	very high
May Weather	18°C (65°F)	153 mm (6.0 inches)	82%	extreme
June Weather	22°C (72°F)	215 mm (8.5 inches)	86%	extreme
July Weather	26°C (79°F)	374 mm (14.7 inches)	91%	extreme
August Weather	27°C (81°F)	197 mm (7.7 inches)	88%	extreme
September Weather	24°C (75°F)	212 mm (8.4 inches)	85%	extreme
October Weather	19°C (66°F)	204 mm (8.0 inches)	82%	very high
November Weather	13°C (55°F)	61 mm (2.4 inches)	79%	high
December Weather	8°C (46°F)	69 mm (2.7 inches)	77%	moderate