July Weather in Iyo, Japan

Last updated: August 23, 2025

In Iyo, Japan, the average temperature in July is a warm 26°C (79°F). During this time, temperatures can range from a comfy 18°C (65°F) to a sizzling 33°C (91°F). Expect 374 mm (14.7 in) of precipitation spread over 19 days, contributing to a notable average humidity of 91%. Embrace the warmth and prepare for the occasional shower!

July Temperature in Iyo

In July in Iyo, the average temperature is 26°C (79°F). Maximum can reach 33°C (91°F) and minimum can be as low as 18°C (65°F). This makes it a perfect time for travelers seeking warm weather and outdoor activities.

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

The chart illustrates July 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, July typically has an average temperature of 26°C (79°F), with highs reaching up to 33°C (91°F) and lows dropping to around 18°C (65°F).

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

July Precipitation in Iyo

In Iyo in July, the total precipitation amount reaches 374 mm (14.7 in) over the course of 19 days.

July Precipitation Trends in Iyo

The chart displays monthly precipitation patterns in Iyo, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Iyo, July typically receives around 374 mm (14.7 inches) of precipitation spread over approximately 19 days.

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

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Millimeters (mm) Inches (in)

July Humidity in Iyo

In Iyo in July, humidity is 91%. With an average temperature of 26°C (79°F), this humidity feels like navigating through an invisible blanket, making even short strolls feel laborious and leaving a sticky sheen on your skin, which can be overwhelming for travelers.

July Average Humidity in Iyo

This chart illustrates the average monthly humidity levels in Iyo, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Iyo is approximately 91%, offering insight into how humid the weather typically is during this month.

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

July UV Index in Iyo

In Iyo in July, 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 July

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

Data source: Iyo July 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 July 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 July’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 July’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