March Weather in Hachijo, Japan

Last updated: August 23, 2025

In March, the average temperature in Hachijo, Japan hovers around 15°C (60°F), with a minimum dipping to 10°C (49°F) and a maximum reaching 21°C (70°F). Expect 201 mm (7.9 in) of precipitation spread over 17 days, contributing to an average humidity of 69%. Prepare for a mix of mild days and occasional rain as you plan your activities!

March Temperature in Hachijo

In March in Hachijo, the average temperature is 15°C (60°F). Maximum temperatures can reach 21°C (70°F), while minimums can dip as low as 10°C (49°F). This pleasant climate makes Hachijo an ideal destination for travelers looking to enjoy mild weather and outdoor activities.

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

The chart illustrates March temperature patterns in Hachijo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hachijo, March typically has an average temperature of 15°C (60°F), with highs reaching up to 21°C (70°F) and lows dropping to around 10°C (49°F).

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

March Precipitation in Hachijo

In Hachijo in March, the precipitation amount is 201 mm (7.9 in) spread over 17 days.

March Precipitation Trends in Hachijo

The chart displays monthly precipitation patterns in Hachijo, 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 Hachijo, March typically receives around 201 mm (7.9 inches) of precipitation spread over approximately 17 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 Hachijo

In Hachijo in March, humidity is 69%. With an average temperature of 15°C (60°F), this humidity feels like a cool, damp embrace that can make outdoor activities feel slightly heavier and more exhausting, but still inviting for exploring the charming sights and sounds of the area.

March Average Humidity in Hachijo

This chart illustrates the average monthly humidity levels in Hachijo, 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 Hachijo is approximately 69%, 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 Hachijo

In Hachijo 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 Hachijo.

Maximum UV Index Levels in Hachijo for March

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

Data source: Hachijo 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 Hachijo Compares to Other Months

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

This table compares monthly weather conditions in Hachijo, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	13°C (56°F)	130 mm (5.1 inches)	69%	moderate
February Weather	13°C (56°F)	114 mm (4.5 inches)	68%	high
March Weather	15°C (60°F)	201 mm (7.9 inches)	69%	very high
April Weather	18°C (64°F)	133 mm (5.2 inches)	75%	extreme
May Weather	21°C (70°F)	184 mm (7.3 inches)	82%	extreme
June Weather	23°C (74°F)	338 mm (13.3 inches)	88%	extreme
July Weather	26°C (80°F)	170 mm (6.7 inches)	92%	extreme
August Weather	28°C (82°F)	83 mm (3.3 inches)	85%	extreme
September Weather	27°C (80°F)	311 mm (12.3 inches)	82%	very high
October Weather	24°C (75°F)	334 mm (13.1 inches)	78%	high
November Weather	20°C (68°F)	154 mm (6.1 inches)	74%	high
December Weather	16°C (61°F)	133 mm (5.2 inches)	72%	moderate