March Weather in Kosai, Japan

Last updated: August 23, 2025

In March, the average temperature in Kosai, Japan hovers around 12°C (53°F), with a minimum dipping to 1°C (34°F) and a maximum reaching 24°C (76°F). Expect around 154 mm (6.1 in) of precipitation spread over 10 days, complemented by an average humidity of 74%. Enjoy the dynamic weather this month brings!

March Temperature in Kosai

In March in Kosai, the average temperature is 12°C (53°F). Maximums can reach up to 24°C (76°F), while minimums can drop as low as 1°C (34°F). This climate makes Kosai an ideal destination for travelers seeking mild weather and outdoor activities during this time of year.

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

The chart illustrates March temperature patterns in Kosai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kosai, March typically has an average temperature of 12°C (53°F), with highs reaching up to 24°C (76°F) and lows dropping to around 1°C (34°F).

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

March Precipitation in Kosai

In Kosai in March, the precipitation amount is 154 mm (6.1 in) over a span of 10 days.

March Precipitation Trends in Kosai

The chart displays monthly precipitation patterns in Kosai, 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 Kosai, March typically receives around 154 mm (6.1 inches) of precipitation spread over approximately 10 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 Kosai

In Kosai in March, humidity is 74%. With an average temperature of 12°C (53°F), this humidity feels like a damp chill wraps around you, making outdoor activities less enjoyable and encouraging you to seek cozy indoor spots instead.

March Average Humidity in Kosai

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

In Kosai 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 Kosai.

Maximum UV Index Levels in Kosai for March

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

Data source: Kosai 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 Kosai Compares to Other Months

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

This table compares monthly weather conditions in Kosai, 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)	49 mm (1.9 inches)	82%	moderate
February Weather	7°C (45°F)	69 mm (2.7 inches)	79%	moderate
March Weather	12°C (53°F)	154 mm (6.1 inches)	74%	very high
April Weather	16°C (60°F)	160 mm (6.3 inches)	76%	very high
May Weather	20°C (69°F)	187 mm (7.4 inches)	83%	extreme
June Weather	23°C (74°F)	240 mm (9.4 inches)	87%	extreme
July Weather	27°C (81°F)	385 mm (15.2 inches)	93%	extreme
August Weather	29°C (85°F)	189 mm (7.4 inches)	91%	extreme
September Weather	25°C (78°F)	217 mm (8.5 inches)	87%	very high
October Weather	20°C (68°F)	284 mm (11.2 inches)	85%	high
November Weather	14°C (58°F)	75 mm (2.9 inches)	83%	moderate
December Weather	9°C (48°F)	65 mm (2.6 inches)	83%	moderate