July Weather in Omachi, Japan

Last updated: August 23, 2025

In Omachi, Japan, the average temperature in July hovers around 19°C (67°F), with a range that can dip to a cool 12°C (54°F) and peak at a warm 28°C (83°F). Expect significant rainfall, with an average precipitation amount of 565 mm (22.3 in) spread over 25 days. This weather comes with high humidity levels at 92%, creating a lush and vibrant atmosphere.

July Temperature in Omachi

In July in Omachi, the average temperature is a comfortable 19°C (67°F). Maximum temperatures can reach up to 28°C (83°F), while the minimum can drop to as low as 12°C (54°F). This mild climate makes it an ideal destination for travelers seeking pleasant weather and outdoor activities.

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

The chart illustrates July temperature patterns in Omachi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Omachi, July typically has an average temperature of 19°C (67°F), with highs reaching up to 28°C (83°F) and lows dropping to around 12°C (54°F).

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

July Precipitation in Omachi

In Omachi in July, the total precipitation amount is 565 mm (22.3 in) accumulated over a span of 25 days.

July Precipitation Trends in Omachi

The chart displays monthly precipitation patterns in Omachi, 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 Omachi, July typically receives around 565 mm (22.3 inches) of precipitation spread over approximately 25 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

July Humidity in Omachi

In Omachi in July humidity is 92%. With an average temperature of 19°C (67°F), this humidity feels like walking through a warm, damp blanket, making travel feel sticky and exhausting.

July Average Humidity in Omachi

This chart illustrates the average monthly humidity levels in Omachi, 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 Omachi is approximately 92%, 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 Omachi

In Omachi 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 Omachi.

Maximum UV Index Levels in Omachi for July

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

Data source: Omachi 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 Omachi Compares to Other Months

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

This table compares monthly weather conditions in Omachi, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-8°C (19°F)	193 mm (7.6 inches)	88%	moderate
February Weather	-7°C (20°F)	181 mm (7.1 inches)	86%	high
March Weather	-1°C (30°F)	198 mm (7.8 inches)	81%	very high
April Weather	4°C (39°F)	226 mm (8.9 inches)	78%	very high
May Weather	11°C (52°F)	276 mm (10.9 inches)	81%	extreme
June Weather	15°C (59°F)	310 mm (12.2 inches)	88%	extreme
July Weather	19°C (67°F)	565 mm (22.3 inches)	92%	extreme
August Weather	20°C (69°F)	400 mm (15.8 inches)	92%	extreme
September Weather	16°C (61°F)	334 mm (13.1 inches)	89%	very high
October Weather	10°C (50°F)	284 mm (11.2 inches)	87%	high
November Weather	3°C (37°F)	139 mm (5.5 inches)	85%	moderate
December Weather	-5°C (24°F)	206 mm (8.1 inches)	86%	moderate