March Weather in Oyama, Japan

Last updated: August 23, 2025

In March, the average temperature in Oyama, Japan is a cool 13°C (55°F), with minimums dipping to 5°C (41°F) and highs reaching up to 19°C (66°F). Prepare for some rain, as precipitation amounts to approximately 189 mm (7.4 in) over 12 days. Don't forget, the average humidity hovers around a comfortable 70%, so you might want to bring a light jacket for those brisk days!

March Temperature in Oyama

In March in Oyama, the average temperature is 13°C (55°F), with maximums reaching 19°C (66°F) and minimums dropping as low as 5°C (41°F). This mild climate makes it a pleasant time for traveling, allowing for comfortable outdoor activities and exploration.

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

The chart illustrates March temperature patterns in Oyama, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Oyama, March typically has an average temperature of 13°C (55°F), with highs reaching up to 19°C (66°F) and lows dropping to around 5°C (41°F).

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

March Precipitation in Oyama

In Oyama in March, the precipitation amount is 189 mm (7.4 in) over a span of 12 days.

March Precipitation Trends in Oyama

The chart displays monthly precipitation patterns in Oyama, 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 Oyama, March typically receives around 189 mm (7.4 inches) of precipitation spread over approximately 12 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 Oyama

In Oyama in March, humidity is 70%. With an average temperature of 13°C (55°F), this humidity feels like a chilly embrace, making traveling feel invigorating yet slightly damp, requiring layers to stay comfortable while exploring the sights.

March Average Humidity in Oyama

This chart illustrates the average monthly humidity levels in Oyama, 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 Oyama is approximately 70%, 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 Oyama

In Oyama 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 Oyama.

Maximum UV Index Levels in Oyama for March

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

Data source: Oyama 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 Oyama Compares to Other Months

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

This table compares monthly weather conditions in Oyama, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (49°F)	70 mm (2.8 inches)	76%	moderate
February Weather	10°C (50°F)	93 mm (3.7 inches)	74%	high
March Weather	13°C (55°F)	189 mm (7.4 inches)	70%	very high
April Weather	16°C (60°F)	164 mm (6.4 inches)	74%	very high
May Weather	19°C (67°F)	213 mm (8.4 inches)	81%	extreme
June Weather	22°C (72°F)	302 mm (11.9 inches)	88%	extreme
July Weather	25°C (78°F)	363 mm (14.3 inches)	93%	extreme
August Weather	27°C (81°F)	163 mm (6.4 inches)	90%	extreme
September Weather	25°C (78°F)	255 mm (10.0 inches)	86%	very high
October Weather	22°C (71°F)	328 mm (12.9 inches)	83%	high
November Weather	17°C (63°F)	137 mm (5.4 inches)	80%	moderate
December Weather	12°C (55°F)	99 mm (3.9 inches)	78%	moderate