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March Weather in Shonai, Japan

Last updated: August 23, 2025

In March, the average temperature in Shonai, Japan hovers around 4°C (40°F). You'll experience a temperature range from a chilly -10°C (14°F) to a milder 18°C (65°F). Expect 147 mm (5.8 in) of precipitation spread over about 19 days, and don't forget your umbrella, as the average humidity sits at a comfortable 76%!

March Temperature in Shonai

In March in Shonai, the average temperature is 4°C (40°F), with maximums reaching up to 18°C (65°F) and minimums dipping as low as -10°C (14°F). Travelers should be prepared for a wide range of weather conditions, from chilly days to mild afternoons.

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

The chart illustrates March temperature patterns in Shonai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Shonai, March typically has an average temperature of 4°C (40°F), with highs reaching up to 18°C (65°F) and lows dropping to around -10°C (14°F).
JanFebMarAprMayJunJulAugSepOctNovDec333340486066747769584837
Data source: Temperature data for Shonai generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

March Precipitation in Shonai

In Shonai in March, the precipitation amount is 147 mm (5.8 in) spread over 19 days, indicating a relatively wet period for the region.

March Precipitation Trends in Shonai

The chart displays monthly precipitation patterns in Shonai, 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 Shonai, March typically receives around 147 mm (5.8 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec181171147144138147268269169190170241
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Shonai

In Shonai in March humidity is 76%. With an average temperature of 4°C (40°F), this humidity feels like a chilly embrace, making travel feel damp and slightly clammy, as the cool air clings to your skin, requiring extra layers to stay comfortable while experiencing the sights.

March Average Humidity in Shonai

This chart illustrates the average monthly humidity levels in Shonai, 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 Shonai is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%78%76%78%86%90%93%92%84%80%76%78%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Shonai

In Shonai in March, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Shonai, you can refer to this Hourly UV Index in Shonai.

Maximum UV Index Levels in Shonai for March

The chart shows the monthly maximum UV Index (UVI) for Shonai 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 Shonai typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346991011119643
Data source: Shonai 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 Shonai Compares to Other Months

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

This table compares monthly weather conditions in Shonai, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)181 mm (7.1 inches)79%moderate
February Weather1°C (34°F)171 mm (6.7 inches)78%moderate
March Weather4°C (40°F)147 mm (5.8 inches)76%high
April Weather9°C (49°F)144 mm (5.7 inches)78%very high
May Weather15°C (60°F)137 mm (5.4 inches)86%very high
June Weather19°C (67°F)147 mm (5.8 inches)90%very high
July Weather24°C (75°F)268 mm (10.5 inches)93%extreme
August Weather25°C (77°F)269 mm (10.6 inches)92%extreme
September Weather20°C (69°F)169 mm (6.6 inches)84%very high
October Weather15°C (59°F)190 mm (7.5 inches)80%high
November Weather9°C (48°F)169 mm (6.7 inches)76%moderate
December Weather3°C (37°F)241 mm (9.5 inches)78%moderate

Compare Shonai's Climate with Cities Worldwide