March Weather in Katsuyama, Japan

Last updated: August 23, 2025

In Katsuyama, Japan, the average temperature in March hovers around 4°C (40°F), with a minimum dipping to -9°C (15°F) and a maximum soaring to 18°C (66°F). Expect about 191 mm (7.5 in) of precipitation spread across 16 days, contributing to an average humidity of 74%. Stay prepared for a mix of chilly days and occasional rainfall!

March Temperature in Katsuyama

In March in Katsuyama, the average temperature is 4°C (40°F). Maximums can reach 18°C (66°F) and minimums can be as low as -9°C (15°F). Be prepared for a wide range of temperatures when traveling to Katsuyama during this time.

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

The chart illustrates March temperature patterns in Katsuyama, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Katsuyama, March typically has an average temperature of 4°C (40°F), with highs reaching up to 18°C (66°F) and lows dropping to around -9°C (15°F).

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

March Precipitation in Katsuyama

In Katsuyama in March, the total precipitation amount is 191 mm (7.5 in) that occurs over a span of 16 days.

March Precipitation Trends in Katsuyama

The chart displays monthly precipitation patterns in Katsuyama, 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 Katsuyama, March typically receives around 191 mm (7.5 inches) of precipitation spread over approximately 16 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 Katsuyama

In Katsuyama in March humidity is 74%. With an average temperature of 4°C (40°F), this humidity feels like a chilly embrace that makes every breath a little heavier, which can be quite uncomfortable for traveling.

March Average Humidity in Katsuyama

This chart illustrates the average monthly humidity levels in Katsuyama, 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 Katsuyama is approximately 74%, 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 Katsuyama

In Katsuyama 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 Katsuyama.

Maximum UV Index Levels in Katsuyama for March

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

Data source: Katsuyama 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 Katsuyama Compares to Other Months

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

This table compares monthly weather conditions in Katsuyama, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-1°C (30°F)	165 mm (6.5 inches)	82%	moderate
February Weather	-1°C (31°F)	167 mm (6.6 inches)	79%	high
March Weather	4°C (40°F)	191 mm (7.5 inches)	74%	very high
April Weather	9°C (49°F)	216 mm (8.5 inches)	76%	very high
May Weather	15°C (59°F)	201 mm (7.9 inches)	83%	extreme
June Weather	18°C (65°F)	226 mm (8.9 inches)	87%	extreme
July Weather	23°C (73°F)	436 mm (17.2 inches)	93%	extreme
August Weather	24°C (76°F)	304 mm (12.0 inches)	91%	extreme
September Weather	20°C (68°F)	244 mm (9.6 inches)	87%	very high
October Weather	14°C (58°F)	230 mm (9.1 inches)	85%	high
November Weather	8°C (46°F)	127 mm (5.0 inches)	83%	moderate
December Weather	2°C (36°F)	195 mm (7.7 inches)	83%	moderate