July Weather in Rumoi, Japan

Last updated: August 23, 2025

In July, the average temperature in Rumoi, Japan is a pleasant 21°C (69°F). However, be prepared for fluctuations, as temperatures can dip to a minimum of 10°C (50°F) and soar to a maximum of 31°C (89°F). Expect 103 mm (4.0 in) of precipitation spread over 10 days, and keep in mind the high average humidity of 93% that can make the air feel quite muggy.

July Temperature in Rumoi

In July in Rumoi, the average temperature is 21°C (69°F), with maximums reaching 31°C (89°F) and minimums dropping to as low as 10°C (50°F). This makes it an ideal time for travelers to enjoy a comfortable climate while exploring the sights.

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

The chart illustrates July temperature patterns in Rumoi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rumoi, July typically has an average temperature of 21°C (69°F), with highs reaching up to 31°C (89°F) and lows dropping to around 10°C (50°F).

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

July Precipitation in Rumoi

In Rumoi in July, the precipitation amount is 103 mm (4.0 in) over a span of 10 days.

July Precipitation Trends in Rumoi

The chart displays monthly precipitation patterns in Rumoi, 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 Rumoi, July typically receives around 103 mm (4.0 inches) of precipitation spread over approximately 10 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 Rumoi

In Rumoi in July humidity is 93%. With an average temperature of 21°C (69°F), this humidity feels like a warm, heavy blanket wrapping around you, making travel feel sweat-inducing and somewhat stifling, requiring frequent breaks and hydration as you navigate through the atmosphere.

July Average Humidity in Rumoi

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

In Rumoi in July, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Rumoi.

Maximum UV Index Levels in Rumoi for July

The chart shows the monthly maximum UV Index (UVI) for Rumoi 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 Rumoi typically reaches 9, which falls under the very high exposure category.

Data source: Rumoi 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 Rumoi Compares to Other Months

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

This table compares monthly weather conditions in Rumoi, 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 (22°F)	70 mm (2.8 inches)	84%	low
February Weather	-4°C (24°F)	84 mm (3.3 inches)	83%	moderate
March Weather	0°C (33°F)	84 mm (3.3 inches)	81%	moderate
April Weather	6°C (42°F)	67 mm (2.6 inches)	81%	high
May Weather	11°C (52°F)	89 mm (3.5 inches)	86%	very high
June Weather	15°C (59°F)	94 mm (3.7 inches)	87%	very high
July Weather	21°C (69°F)	103 mm (4.0 inches)	93%	very high
August Weather	21°C (70°F)	171 mm (6.7 inches)	95%	very high
September Weather	18°C (64°F)	90 mm (3.6 inches)	88%	very high
October Weather	12°C (53°F)	147 mm (5.8 inches)	83%	moderate
November Weather	5°C (41°F)	152 mm (6.0 inches)	79%	moderate
December Weather	-2°C (28°F)	132 mm (5.2 inches)	80%	low