March Weather in Tomamae, Japan

Last updated: August 23, 2025

In Tomamae, Japan, the average temperature in March hovers around 1°C (34°F). Expect chilly conditions, with minimums dipping to -10°C (14°F) and highs reaching a moderate 14°C (57°F). This month also brings 78 mm (3.1 in) of precipitation over 15 days, resulting in an average humidity of 83%. Prepare for a damp and frosty atmosphere!

March Temperature in Tomamae

In March in Tomamae, the average temperature is 1°C (34°F). Maximums can reach 14°C (57°F), while minimums can drop as low as -10°C (14°F). Be sure to pack warm clothing and be prepared for varying weather conditions during your travels.

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

The chart illustrates March temperature patterns in Tomamae, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tomamae, March typically has an average temperature of 1°C (34°F), with highs reaching up to 14°C (57°F) and lows dropping to around -10°C (14°F).
JanFebMarAprMayJunJulAugSepOctNovDec242534435259697064544230
Data source: Temperature data for Tomamae 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 Tomamae

In Tomamae, in March, the precipitation amount is 78 mm (3.1 in) over a span of 15 days.

March Precipitation Trends in Tomamae

The chart displays monthly precipitation patterns in Tomamae, 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 Tomamae, March typically receives around 78 mm (3.1 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec6780786579879615884150154124
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Tomamae

In Tomamae in March, humidity is 83%. With an average temperature of 1°C (34°F), this humidity feels like a chilling embrace, making travel uncomfortable as the damp cold seeps into your bones, adding an extra layer of heaviness to the air that can leave you feeling sluggish and fatigued.

March Average Humidity in Tomamae

This chart illustrates the average monthly humidity levels in Tomamae, 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 Tomamae is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%84%83%84%88%88%93%94%86%79%77%83%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Tomamae

In Tomamae in March, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Tomamae.

Maximum UV Index Levels in Tomamae for March

The chart shows the monthly maximum UV Index (UVI) for Tomamae 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 Tomamae typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235789997532
Data source: Tomamae 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 Tomamae Compares to Other Months

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

This table compares monthly weather conditions in Tomamae, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (24°F)67 mm (2.6 inches)87%low
February Weather-4°C (25°F)80 mm (3.1 inches)84%moderate
March Weather1°C (34°F)78 mm (3.1 inches)83%moderate
April Weather6°C (43°F)65 mm (2.6 inches)84%high
May Weather11°C (52°F)79 mm (3.1 inches)88%very high
June Weather15°C (59°F)87 mm (3.4 inches)88%very high
July Weather21°C (69°F)96 mm (3.8 inches)93%very high
August Weather21°C (70°F)158 mm (6.2 inches)94%very high
September Weather18°C (65°F)84 mm (3.3 inches)86%high
October Weather12°C (54°F)150 mm (5.9 inches)79%moderate
November Weather6°C (42°F)154 mm (6.1 inches)77%moderate
December Weather-1°C (30°F)124 mm (4.9 inches)83%low

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