July Weather in Katsuyama, Japan

Last updated: August 23, 2025

In July, the average temperature in Katsuyama, Japan is a pleasant 23°C (73°F). Expect a wide range, with minimums dipping to 15°C (59°F) and maximums soaring to 32°C (90°F). However, be prepared for frequent rainfall, averaging 436 mm (17.2 in) over 23 days of the month. With an average humidity of 93%, expect a tropical atmosphere that makes for a uniquely vibrant experience!

July Temperature in Katsuyama

In July in Katsuyama, the average temperature is 23°C (73°F). Maximums can reach 32°C (90°F), while minimums can drop to as low as 15°C (59°F). This pleasant weather makes Katsuyama an ideal destination for outdoor activities and exploration.

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

The chart illustrates July temperature patterns in Katsuyama, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Katsuyama, July typically has an average temperature of 23°C (73°F), with highs reaching up to 32°C (90°F) and lows dropping to around 15°C (59°F).

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

July Precipitation in Katsuyama

In Katsuyama in July, the precipitation amount is 436 mm (17.2 in) spread over 23 days.

July Precipitation Trends in Katsuyama

The chart displays monthly precipitation patterns in Katsuyama, 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 Katsuyama, July typically receives around 436 mm (17.2 inches) of precipitation spread over approximately 23 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 Katsuyama

In Katsuyama in July, humidity is 93%. With an average temperature of 23°C (73°F), this humidity feels like stepping into a warm, thick blanket, making outdoor activities quite challenging and sweat-inducing for travelers.

July Average Humidity in Katsuyama

This chart illustrates the average monthly humidity levels in Katsuyama, 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 Katsuyama is approximately 93%, 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 Katsuyama

In Katsuyama in July, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Katsuyama.

Maximum UV Index Levels in Katsuyama for July

The chart shows the monthly maximum UV Index (UVI) for Katsuyama 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 Katsuyama typically reaches 11, which falls under the extreme exposure category.

Data source: Katsuyama 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 Katsuyama Compares to Other Months

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

This table compares monthly weather conditions in Katsuyama, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-1°C (30°F)	165 mm (6.5 inches)	82%	moderate
February Weather	-1°C (31°F)	167 mm (6.6 inches)	79%	high
March Weather	4°C (40°F)	191 mm (7.5 inches)	74%	very high
April Weather	9°C (49°F)	216 mm (8.5 inches)	76%	very high
May Weather	15°C (59°F)	201 mm (7.9 inches)	83%	extreme
June Weather	18°C (65°F)	226 mm (8.9 inches)	87%	extreme
July Weather	23°C (73°F)	436 mm (17.2 inches)	93%	extreme
August Weather	24°C (76°F)	304 mm (12.0 inches)	91%	extreme
September Weather	20°C (68°F)	244 mm (9.6 inches)	87%	very high
October Weather	14°C (58°F)	230 mm (9.1 inches)	85%	high
November Weather	8°C (46°F)	127 mm (5.0 inches)	83%	moderate
December Weather	2°C (36°F)	195 mm (7.7 inches)	83%	moderate