March Weather in Iyo, Japan

Last updated: August 23, 2025

In March, the average temperature in Iyo, Japan hovers around 10°C (50°F). Expect a range from a chilly 0°C (33°F) to a pleasant 20°C (69°F). Be prepared for some rain, as 129 mm (5.1 in) of precipitation can be expected over 12 days, with humidity levels around 70%.

March Temperature in Iyo

In March in Iyo, the average temperature is 10°C (50°F), with maximums reaching 20°C (69°F) and minimums dropping as low as 0°C (33°F). This climate makes it a perfect time for outdoor activities, so pack accordingly for a variety of weather conditions while exploring!

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

The chart illustrates March temperature patterns in Iyo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Iyo, March typically has an average temperature of 10°C (50°F), with highs reaching up to 20°C (69°F) and lows dropping to around 0°C (33°F).

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

March Precipitation in Iyo

In Iyo in March, the total precipitation amount is 129 mm (5.1 in) over the course of 12 days.

March Precipitation Trends in Iyo

The chart displays monthly precipitation patterns in Iyo, 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 Iyo, March typically receives around 129 mm (5.1 inches) of precipitation spread over approximately 12 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 Iyo

In Iyo 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 Iyo

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

In Iyo in March, 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 Iyo.

Maximum UV Index Levels in Iyo for March

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

Data source: Iyo 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 Iyo Compares to Other Months

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

This table compares monthly weather conditions in Iyo, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (42°F)	60 mm (2.4 inches)	74%	moderate
February Weather	6°C (43°F)	90 mm (3.6 inches)	70%	high
March Weather	10°C (50°F)	129 mm (5.1 inches)	70%	very high
April Weather	14°C (57°F)	135 mm (5.3 inches)	76%	very high
May Weather	18°C (65°F)	153 mm (6.0 inches)	82%	extreme
June Weather	22°C (72°F)	215 mm (8.5 inches)	86%	extreme
July Weather	26°C (79°F)	374 mm (14.7 inches)	91%	extreme
August Weather	27°C (81°F)	197 mm (7.7 inches)	88%	extreme
September Weather	24°C (75°F)	212 mm (8.4 inches)	85%	extreme
October Weather	19°C (66°F)	204 mm (8.0 inches)	82%	very high
November Weather	13°C (55°F)	61 mm (2.4 inches)	79%	high
December Weather	8°C (46°F)	69 mm (2.7 inches)	77%	moderate