March Weather in Otsu, Japan

Last updated: August 23, 2025

In March, the average temperature in Otsu, Japan hovers around 9°C (48°F), with a minimum dip of -3°C (27°F) and a maximum reach of 23°C (73°F). Expect 125 mm (4.9 in) of precipitation spread over 12 days, resulting in an average humidity level of 74%.

March Temperature in Otsu

In March in Otsu, the average temperature is 9°C (48°F). The maximum can reach 23°C (73°F), while the minimum can drop to as low as -3°C (27°F). Be prepared for a wide range of temperatures when traveling during this time, ensuring you pack layers for both warm and chilly conditions.

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

The chart illustrates March temperature patterns in Otsu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Otsu, March typically has an average temperature of 9°C (48°F), with highs reaching up to 23°C (73°F) and lows dropping to around -3°C (27°F).

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

March Precipitation in Otsu

In Otsu in March, the total precipitation amount is 125 mm (4.9 in) spread over 12 days.

March Precipitation Trends in Otsu

The chart displays monthly precipitation patterns in Otsu, 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 Otsu, March typically receives around 125 mm (4.9 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 Otsu

In Otsu in March humidity is 74%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill that seeps into your bones, making travel uncomfortable and necessitating warm layers to fully enjoy your explorations.

March Average Humidity in Otsu

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

In Otsu 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 Otsu.

Maximum UV Index Levels in Otsu for March

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

Data source: Otsu 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 Otsu Compares to Other Months

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

This table compares monthly weather conditions in Otsu, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (39°F)	56 mm (2.2 inches)	82%	moderate
February Weather	4°C (40°F)	62 mm (2.5 inches)	79%	high
March Weather	9°C (48°F)	125 mm (4.9 inches)	74%	very high
April Weather	13°C (56°F)	157 mm (6.2 inches)	76%	very high
May Weather	18°C (66°F)	154 mm (6.1 inches)	83%	extreme
June Weather	22°C (72°F)	161 mm (6.3 inches)	87%	extreme
July Weather	26°C (79°F)	324 mm (12.7 inches)	93%	extreme
August Weather	28°C (82°F)	228 mm (9.0 inches)	91%	extreme
September Weather	23°C (75°F)	172 mm (6.8 inches)	87%	very high
October Weather	18°C (64°F)	246 mm (9.7 inches)	85%	high
November Weather	12°C (53°F)	47 mm (1.8 inches)	83%	moderate
December Weather	6°C (43°F)	66 mm (2.6 inches)	83%	moderate