March Weather in Kainan, Japan

Last updated: August 23, 2025

In Kainan, Japan, the average temperature in March is a crisp 10°C (51°F), where it can dip as low as 1°C (34°F) and peak at a pleasant 20°C (68°F). Expect an average of 115 mm (4.5 in) of precipitation spread over 11 days, contributing to a high average humidity of 74%. Prepare for a month that balances cool breezes with a touch of moisture, perfect for cozy adventures!

March Temperature in Kainan

In March in Kainan, the average temperature is 10°C (51°F). Maximums can reach 20°C (68°F), while minimums can drop as low as 1°C (34°F). This makes it an ideal time for travelers to enjoy a variety of outdoor activities while still having the option to cozy up indoors.

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

The chart illustrates March temperature patterns in Kainan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kainan, March typically has an average temperature of 10°C (51°F), with highs reaching up to 20°C (68°F) and lows dropping to around 1°C (34°F).

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

March Precipitation in Kainan

In Kainan in March, the total precipitation amount is 115 mm (4.5 in) spread over 11 days.

March Precipitation Trends in Kainan

The chart displays monthly precipitation patterns in Kainan, 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 Kainan, March typically receives around 115 mm (4.5 inches) of precipitation spread over approximately 11 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 Kainan

In Kainan in March humidity is 74%. With an average temperature of 10°C (51°F), this humidity feels like a damp chill enveloping you, making travel a bit uncomfortable as the cold air clings to your skin, and you may find yourself wishing you had packed an extra layer to stay warm and dry.

March Average Humidity in Kainan

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

In Kainan 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 Kainan.

Maximum UV Index Levels in Kainan for March

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

Data source: Kainan 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 Kainan Compares to Other Months

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

This table compares monthly weather conditions in Kainan, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	6°C (44°F)	63 mm (2.5 inches)	82%	moderate
February Weather	7°C (44°F)	76 mm (3.0 inches)	79%	moderate
March Weather	10°C (51°F)	115 mm (4.5 inches)	74%	very high
April Weather	14°C (58°F)	128 mm (5.1 inches)	76%	extreme
May Weather	19°C (67°F)	164 mm (6.5 inches)	83%	extreme
June Weather	22°C (72°F)	199 mm (7.8 inches)	87%	extreme
July Weather	26°C (80°F)	302 mm (11.9 inches)	93%	extreme
August Weather	28°C (83°F)	178 mm (7.0 inches)	91%	extreme
September Weather	25°C (77°F)	203 mm (8.0 inches)	87%	very high
October Weather	20°C (67°F)	267 mm (10.5 inches)	85%	high
November Weather	14°C (57°F)	63 mm (2.5 inches)	83%	moderate
December Weather	9°C (48°F)	76 mm (3.0 inches)	83%	moderate