March Weather in Iruma, Japan

Last updated: August 23, 2025

In Iruma, Japan, the average temperature in March hovers around 8°C (47°F). Expect a chill in the air with minimum temperatures plummeting to -4°C (26°F), while highs can reach a pleasant 23°C (73°F). This month sees 166 mm (6.5 in) of precipitation spread over 14 days, contributing to an average humidity of 70%—ensuring a refreshing, albeit damp, atmosphere.

March Temperature in Iruma

In March in Iruma, the average temperature is 8°C (47°F). The maximum can reach 23°C (73°F), while the minimum can drop as low as -4°C (26°F). Be prepared for a mix of mild and chilly weather when traveling during this time.

March Weather in Iruma: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Iruma, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Iruma, March typically has an average temperature of 8°C (47°F), with highs reaching up to 23°C (73°F) and lows dropping to around -4°C (26°F).

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

March Precipitation in Iruma

In Iruma in March, the precipitation amount is 166 mm (6.5 in) over a period of 14 days.

March Precipitation Trends in Iruma

The chart displays monthly precipitation patterns in Iruma, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Iruma, March typically receives around 166 mm (6.5 inches) of precipitation spread over approximately 14 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

March Humidity in Iruma

In Iruma in March, humidity is 70%. With an average temperature of 8°C (47°F), this humidity feels quite chilly and damp, making it important for travelers to dress in layers and prepare for a potentially uncomfortable experience.

March Average Humidity in Iruma

This chart illustrates the average monthly humidity levels in Iruma, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Iruma is approximately 70%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Iruma

In Iruma in March, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Iruma.

Maximum UV Index Levels in Iruma for March

The chart shows the monthly maximum UV Index (UVI) for Iruma in March, 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 March, the maximum UV index in Iruma typically reaches 8, which falls under the very high exposure category.

Data source: Iruma March 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 March Weather in Iruma Compares to Other Months

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

This table compares monthly weather conditions in Iruma, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	3°C (37°F)	53 mm (2.1 inches)	76%	moderate
February Weather	4°C (40°F)	62 mm (2.4 inches)	74%	high
March Weather	8°C (47°F)	166 mm (6.5 inches)	70%	very high
April Weather	12°C (54°F)	150 mm (5.9 inches)	74%	very high
May Weather	17°C (64°F)	148 mm (5.8 inches)	81%	extreme
June Weather	20°C (69°F)	209 mm (8.2 inches)	88%	extreme
July Weather	24°C (76°F)	312 mm (12.3 inches)	93%	extreme
August Weather	26°C (79°F)	195 mm (7.7 inches)	90%	extreme
September Weather	22°C (71°F)	247 mm (9.7 inches)	86%	very high
October Weather	16°C (61°F)	346 mm (13.6 inches)	83%	high
November Weather	11°C (52°F)	72 mm (2.8 inches)	80%	moderate
December Weather	5°C (42°F)	62 mm (2.4 inches)	78%	moderate