July Weather in Niimi, Japan

Last updated: August 23, 2025

The average temperature in Niimi, Japan during July is a warm 25°C (77°F). Expect minimums around 17°C (62°F) and maximums soaring to 35°C (95°F). This month also brings 356 mm (14.0 in) of precipitation over approximately 20 days, contributing to a high average humidity of 92%.

July Temperature in Niimi

In July in Niimi, the average temperature is 25°C (77°F), with maximums reaching 35°C (95°F) and minimums dipping as low as 17°C (62°F). This pleasant climate makes it an ideal time for travelers to explore and enjoy outdoor activities.

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

The chart illustrates July temperature patterns in Niimi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Niimi, July typically has an average temperature of 25°C (77°F), with highs reaching up to 35°C (95°F) and lows dropping to around 17°C (62°F).

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

July Precipitation in Niimi

In Niimi in July, the precipitation amount is 356 mm (14.0 in) spread over 20 days.

July Precipitation Trends in Niimi

The chart displays monthly precipitation patterns in Niimi, 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 Niimi, July typically receives around 356 mm (14.0 inches) of precipitation spread over approximately 20 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 Niimi

In Niimi in July humidity is 92%. With an average temperature of 25°C (77°F), this humidity feels like a heavy blanket wrapping around you, making traveling feel rather stifling and exhausting, as the air weighs down on each breath and every step you take.

July Average Humidity in Niimi

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

In Niimi 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 Niimi.

Maximum UV Index Levels in Niimi for July

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

Data source: Niimi 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 Niimi Compares to Other Months

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

This table compares monthly weather conditions in Niimi, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	2°C (37°F)	52 mm (2.1 inches)	82%	moderate
February Weather	3°C (38°F)	59 mm (2.3 inches)	79%	high
March Weather	8°C (46°F)	116 mm (4.5 inches)	73%	very high
April Weather	12°C (54°F)	127 mm (5.0 inches)	74%	very high
May Weather	17°C (63°F)	115 mm (4.5 inches)	84%	extreme
June Weather	21°C (69°F)	186 mm (7.3 inches)	86%	extreme
July Weather	25°C (77°F)	356 mm (14.0 inches)	92%	extreme
August Weather	26°C (79°F)	242 mm (9.5 inches)	92%	extreme
September Weather	22°C (71°F)	229 mm (9.0 inches)	87%	very high
October Weather	16°C (61°F)	181 mm (7.1 inches)	85%	high
November Weather	10°C (50°F)	37 mm (1.5 inches)	84%	moderate
December Weather	4°C (40°F)	62 mm (2.4 inches)	82%	moderate