July Weather in Isawa, Japan

Last updated: August 23, 2025

In Isawa, Japan, the average temperature in July is a pleasant 21°C (70°F). However, temperatures can vary, dipping to a cool 13°C (56°F) at night and soaring to a warm 32°C (90°F) during the day. Expect 320 mm (12.6 in) of precipitation spread over 24 days, along with a high average humidity of 93%. This creates a lush and vibrant atmosphere, ideal for enjoying the unique beauty of the region.

July Temperature in Isawa

In July in Isawa, the average temperature is 21°C (70°F). The maximum can reach 32°C (90°F), and the minimum can be as low as 13°C (56°F). This moderate climate makes it a great time for outdoor activities and exploring the local attractions.

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

The chart illustrates July temperature patterns in Isawa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Isawa, July typically has an average temperature of 21°C (70°F), with highs reaching up to 32°C (90°F) and lows dropping to around 13°C (56°F).

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

July Precipitation in Isawa

In Isawa in July, the precipitation amount is 320 mm (12.6 in) over a span of 24 days.

July Precipitation Trends in Isawa

The chart displays monthly precipitation patterns in Isawa, 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 Isawa, July typically receives around 320 mm (12.6 inches) of precipitation spread over approximately 24 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 Isawa

In Isawa in July humidity is 93%. With an average temperature of 21°C (70°F), this humidity feels like a warm blanket that wraps around you, making travel feel like walking through a thick mist—sweaty and heavy, yet there’s a lush vibrancy that energizes each step.

July Average Humidity in Isawa

This chart illustrates the average monthly humidity levels in Isawa, 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 Isawa 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 Isawa

In Isawa 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 Isawa.

Maximum UV Index Levels in Isawa for July

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

Data source: Isawa 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 Isawa Compares to Other Months

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

This table compares monthly weather conditions in Isawa, 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 (31°F)	48 mm (1.9 inches)	76%	moderate
February Weather	0°C (33°F)	58 mm (2.3 inches)	74%	high
March Weather	5°C (41°F)	144 mm (5.7 inches)	70%	very high
April Weather	9°C (48°F)	138 mm (5.4 inches)	74%	very high
May Weather	14°C (58°F)	148 mm (5.8 inches)	81%	extreme
June Weather	17°C (63°F)	179 mm (7.1 inches)	88%	extreme
July Weather	21°C (70°F)	320 mm (12.6 inches)	93%	extreme
August Weather	23°C (73°F)	190 mm (7.5 inches)	90%	extreme
September Weather	18°C (65°F)	208 mm (8.2 inches)	86%	very high
October Weather	13°C (55°F)	324 mm (12.8 inches)	83%	high
November Weather	7°C (45°F)	56 mm (2.2 inches)	80%	moderate
December Weather	2°C (36°F)	52 mm (2.1 inches)	78%	moderate