March Weather in Omachi, Japan

Last updated: August 23, 2025

The average temperature in Omachi, Japan during March hovers around -1°C (30°F). Expect chilly days, with minimums plummeting to -14°C (6°F) and maximums reaching up to 13°C (55°F). This month also brings an average of 198 mm (7.8 in) of precipitation over 19 days, contributing to an overall humidity level of 81%.

March Temperature in Omachi

In March in Omachi, the average temperature is -1°C (30°F). The maximum can reach 13°C (55°F), while the minimum can drop as low as -14°C (6°F). Travelers should prepare for varied conditions, with a mix of cold and milder days.

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

The chart illustrates March temperature patterns in Omachi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Omachi, March typically has an average temperature of -1°C (30°F), with highs reaching up to 13°C (55°F) and lows dropping to around -14°C (6°F).

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

March Precipitation in Omachi

In Omachi in March, the total precipitation amount is 198 mm (7.8 in) over a span of 19 days.

March Precipitation Trends in Omachi

The chart displays monthly precipitation patterns in Omachi, 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 Omachi, March typically receives around 198 mm (7.8 inches) of precipitation spread over approximately 19 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 Omachi

In Omachi in March, humidity is 81%. With an average temperature of -1°C (30°F), this humidity feels like an extra layer of chill settles in, making travel uncomfortable and the cold air cling to your skin, dampening the experience with every breath.

March Average Humidity in Omachi

This chart illustrates the average monthly humidity levels in Omachi, 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 Omachi is approximately 81%, 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 Omachi

In Omachi in March, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Omachi.

Maximum UV Index Levels in Omachi for March

The chart shows the monthly maximum UV Index (UVI) for Omachi 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 Omachi typically reaches 10, which falls under the very high exposure category.

Data source: Omachi 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 Omachi Compares to Other Months

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

This table compares monthly weather conditions in Omachi, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-8°C (19°F)	193 mm (7.6 inches)	88%	moderate
February Weather	-7°C (20°F)	181 mm (7.1 inches)	86%	high
March Weather	-1°C (30°F)	198 mm (7.8 inches)	81%	very high
April Weather	4°C (39°F)	226 mm (8.9 inches)	78%	very high
May Weather	11°C (52°F)	276 mm (10.9 inches)	81%	extreme
June Weather	15°C (59°F)	310 mm (12.2 inches)	88%	extreme
July Weather	19°C (67°F)	565 mm (22.3 inches)	92%	extreme
August Weather	20°C (69°F)	400 mm (15.8 inches)	92%	extreme
September Weather	16°C (61°F)	334 mm (13.1 inches)	89%	very high
October Weather	10°C (50°F)	284 mm (11.2 inches)	87%	high
November Weather	3°C (37°F)	139 mm (5.5 inches)	85%	moderate
December Weather	-5°C (24°F)	206 mm (8.1 inches)	86%	moderate