March Weather in Iwai, Japan

Last updated: August 23, 2025

In Iwai, Japan, the average temperature for March is a cool 10°C (50°F), with fluctuations ranging from a chilly -3°C (26°F) to a warm 24°C (75°F). During this time, expect about 123 mm (4.9 in) of precipitation spread over 11 days, contributing to an average humidity of 70%. Prepare accordingly to make the most of what this month has to offer!

March Temperature in Iwai

In March in Iwai, the average temperature is 10°C (50°F), with maximums reaching 24°C (75°F) and minimums dropping as low as -3°C (26°F). This diverse range of temperatures makes it essential for travelers to pack layers and be prepared for various weather conditions.

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

The chart illustrates March temperature patterns in Iwai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Iwai, March typically has an average temperature of 10°C (50°F), with highs reaching up to 24°C (75°F) and lows dropping to around -3°C (26°F).

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

March Precipitation in Iwai

In Iwai in March, the precipitation amount reaches 123 mm (4.9 in) over the course of 11 days.

March Precipitation Trends in Iwai

The chart displays monthly precipitation patterns in Iwai, 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 Iwai, March typically receives around 123 mm (4.9 inches) of precipitation spread over approximately 11 days.

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

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Millimeters (mm) Inches (in)

March Humidity in Iwai

In Iwai in March, humidity is 70%. With an average temperature of 10°C (50°F), this humidity feels like a cool embrace on your skin, making it a refreshing yet damp experience for traveling.

March Average Humidity in Iwai

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

In Iwai in March, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Iwai.

Maximum UV Index Levels in Iwai for March

The chart shows the monthly maximum UV Index (UVI) for Iwai 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 Iwai typically reaches 7, which falls under the high exposure category.

Data source: Iwai 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 Iwai Compares to Other Months

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

This table compares monthly weather conditions in Iwai, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (40°F)	42 mm (1.6 inches)	76%	moderate
February Weather	6°C (42°F)	39 mm (1.5 inches)	74%	moderate
March Weather	10°C (50°F)	123 mm (4.9 inches)	70%	high
April Weather	14°C (58°F)	109 mm (4.3 inches)	74%	very high
May Weather	19°C (67°F)	121 mm (4.8 inches)	81%	very high
June Weather	22°C (72°F)	142 mm (5.6 inches)	88%	extreme
July Weather	26°C (79°F)	225 mm (8.9 inches)	93%	extreme
August Weather	28°C (82°F)	111 mm (4.4 inches)	90%	very high
September Weather	24°C (75°F)	171 mm (6.7 inches)	86%	very high
October Weather	18°C (65°F)	238 mm (9.4 inches)	83%	high
November Weather	13°C (55°F)	72 mm (2.8 inches)	80%	moderate
December Weather	7°C (44°F)	54 mm (2.1 inches)	78%	moderate