March Weather in Suwa, Japan

Last updated: August 21, 2025

In March, Suwa, Japan experiences a unique blend of seasonal transitions, where the average temperature hovers around 4°C (40°F), with a maximum of 20°C (68°F) and a chilly minimum of -7°C (19°F). Throughout the month, the area sees 12 days of precipitation, accumulating to 141 mm (5.6 in), contributing to a notable humidity level of 70%. This combination of cooler temperatures and moisture sets the stage for the arrival of spring, making it an intriguing time for residents and visitors alike.

March Temperature in Suwa

In March, Suwa, Japan, begins to shake off the chill of winter, with temperatures showing a notable upward trend. The minimum temperature rises to a brisk -7°C (19°F), while the average climbs to a cozy 4°C (40°F), indicating a gradual warming. By day's end, the maximum temperature can reach a pleasant 20°C (68°F), hinting at the approach of spring. This transition is marked by a distinct shift from the bitter cold of January and February, reflecting nature’s awakening as days grow longer and more inviting. As winter gives way to early blossoms, March provides a refreshing glimpse of the balmy weather that awaits in the coming months.

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

The chart illustrates March temperature patterns in Suwa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Suwa, March typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec293040485864727466564434
Data source: Temperature data for Suwa 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 Suwa

March in Suwa, Japan, marks a significant shift in precipitation patterns, with an impressive 141 mm (5.6 inches) of rain over 12 days. This increase from 80 mm (3.2 inches) in February indicates a notable transition toward wetter conditions as spring approaches. As the month unfolds, the precipitation amounts continue to climb, with April closely mirroring March's figures at 143 mm (5.6 inches). This trend highlights the gradual buildup of moisture leading into the lush, green season, setting the stage for the even heavier rainfall typical of the summer months. With each passing month, Suwa transitions from the drier winter to a vibrant spring, reinforced by substantial precipitation that nourishes the landscape.

March Precipitation Trends in Suwa

The chart displays monthly precipitation patterns in Suwa, 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 Suwa, March typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec75811411441551492891511712376684
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Suwa

As March unfolds in Suwa, Japan, the atmosphere begins to shift with a noticeable dip in humidity, settling at 70%. This marks a gradual transition from the heavier, moisture-laden air of winter, where January and February recorded humidity levels of 76% and 74% respectively. As the region steps into spring, the humidity is set to rise again in April, hinting at the lush growth that May’s 81% will bring. The trend indicates a cycle of increasing humidity as the warmer months approach, with June and July reaching their peak levels of 88% and an impressive 93%. Overall, the steady ebb and flow of humidity levels throughout the year reflects Suwa's dynamic climate, preparing the landscape for the vibrant changes of the upcoming seasons.

March Average Humidity in Suwa

This chart illustrates the average monthly humidity levels in Suwa, 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 Suwa is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%74%70%74%82%88%93%90%86%83%80%78%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Suwa

As March embraces Suwa, Japan, residents and visitors alike should be aware of the significant increase in the UV Index, which skyrockets to 9, indicating a very high exposure category. This notable jump from February’s 6 not only shortens the burn time to a mere 15 minutes but also heralds a transition into the sunnier months ahead. The trend continues into April with an even higher UV Index of 10, revealing that springtime sun can be just as intense as summer rays. This upward trajectory emphasizes the importance of adopting sun protection measures promptly, as prolonged exposure during this time could lead to skin damage. For more detailed information on UV levels throughout the year, visit Suwa UV Index.

Maximum UV Index Levels in Suwa for March

The chart shows the monthly maximum UV Index (UVI) for Suwa 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 Suwa typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec469101111121210754
Data source: Suwa 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.

March Sunshine in Suwa

March in Suwa, Japan, basks in an impressive 268 hours of sunshine, showcasing a delightful increase from February's 237 hours. As the region transitions from winter's chill to the beginnings of spring, the vibrant sunlight not only brightens the days but also heralds the arrival of longer, more radiant days ahead. This upward trend continues as April nudges up to 284 hours, followed by May, which peaks at 292 hours, making it a remarkable time for outdoor activities and basking in nature's beauty. With the sun shining brighter and longer, March serves as a charming bridge between winter's retreat and spring's splendid embrace.

Monthly Sunshine Duration in Suwa: March Highlighted

The March sunshine duration represents the total number of hours Suwa experiences direct sunlight during the month of March, excluding cloudy or obstructed periods. This chart compares the sunshine duration of March with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec189h237h268h284h292h266h235h285h239h223h238h227h
Data source: Suwa March Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Suwa During March

March in Suwa, Japan, experiences a 41% chance of sunny weather, making it a transitional month as winter gives way to spring. This percentage is a slight decrease from February's 46%, suggesting that while the sun still shines occasionally, clouds begin to weave their way into the sky. However, as spring unfolds, the probability of sunny days in March is higher than in the upcoming months of April, May, and June, where the chances dip to 45%, 24%, and 21%, respectively. Overall, March offers a blend of bright days and the lingering chill of winter, inviting residents and visitors alike to enjoy the beauty of the changing season.

Percentage of Sunny Days in March in Suwa

The chart illustrates the percentage of sunny days in Suwa throughout the year, with March highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Suwa experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec36%46%41%45%24%21%32%24%22%44%46%42%
Data source: Suwa March chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Suwa in March

As March unfolds in Suwa, Japan, residents enjoy an average of 11 hours of daylight, marking a significant increase from the 10 hours experienced in February. This shift heralds the arrival of spring, as daylight gradually lengthens and the world begins to awaken from winter's grasp. Following March, daylight continues to stretch, reaching a peak of 14 hours by May and June, creating a vibrant atmosphere that encourages outdoor activities and appreciation of nature. The trend of increasing daylight not only symbolizes the changing seasons but also uplifts the spirits of the community, paving the way for the warmth and joy that spring brings.

Average Daylight Hours in Suwa for March

The chart illustrates the variation in daylight duration in Suwa throughout the year, with March highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 59m10h 51m11h 57m13h 6m14h 4m14h 33m14h 18m13h 28m12h 22m11h 14m10h 15m9h 44m
Data source: Suwa daylight hours, calculated by summing the hours between sunrise and sunset for each day.

March Winds in Suwa

As March arrives in Suwa, Japan, residents experience a gentle shift in the winds with an average speed of 1.9 m/s (4 mph), a slight decrease from the winter months of January and February. This transition marks the tail end of the colder season, where wind speeds hover between 2.1 m/s (5 mph) and 2.2 m/s (5 mph). Following March, April nudges the winds back to 2.0 m/s (4 mph), suggesting a pattern of revitalization as spring fully unfolds. Interestingly, the trend shows a gradual decline in wind speeds through the warmer months, with June reaching its calmest at 1.4 m/s (3 mph). This ebbing breeze hints at the tranquil beauty of Suwa's spring and summer, contrasting with the briskness of winter, inviting both locals and visitors to revel in the serene landscapes that accompany this seasonal change.

Average March Wind Speed in Suwa

The chart displays monthly wind speed patterns in Suwa, with values for each month shown alongside March's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how March's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.12.21.9 m/s2.02.11.41.31.61.41.51.81.9
Data source: Suwa March wind data, generated using information from the Copernicus Climate Change Service.

How March Weather in Suwa Compares to Other Months

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

In comparing the weather between March and January, there are notable differences in temperature and precipitation patterns. March generally experiences milder temperatures, with a minimum of -7°C (19°F) and an average of 4°C (40°F), rising to a maximum of 20°C (68°F). In contrast, January is much colder, featuring a minimum of -18°C (0°F) and an average of -2°C (29°F), with a maximum of only 12°C (53°F). Additionally, March sees higher precipitation levels at 141 mm (5.6 in) over 12 days, compared to January's 75 mm (3.0 in) during the same number of days. Humidity levels are slightly lower in March at 70%, while January has a higher humidity of 76%. For more detailed insights on January weather in Suwa, visit Suwa weather in January.

In comparing the weather of March and February, March presents a notable shift towards milder temperatures, with average highs reaching 20°C (68°F) compared to February's maximum of 15°C (60°F). The minimum temperature in March is also higher at -7°C (19°F), while February experiences a much colder low of -18°C (0°F). Despite these warmer temperatures, March sees an increase in precipitation, totaling 141 mm (5.6 in) over 12 days, while February records 80 mm (3.2 in) across 10 days. Additionally, humidity is slightly lower in March at 70%, compared to 74% in February. For more detailed information on February weather, you can visit Suwa weather in February.

March and April both experience a range of temperatures, but April tends to be slightly warmer overall. In March, temperatures range from a minimum of -7°C (19°F) to a maximum of 20°C (68°F), with an average of 4°C (40°F). In contrast, April sees a milder temperature range, with minimums at -6°C (21°F) and maximums reaching up to 26°C (78°F), averaging around 9°C (48°F). Precipitation remains similar in both months, with March recording 141 mm (5.6 in) over 12 days and April experiencing 143 mm (5.6 in) over 13 days. Humidity also rises slightly in April to 74% compared to 70% in March. For more detailed information, you can check Suwa weather in April.

March and May weather exhibit notable differences in temperature and humidity. In March, temperatures can dip as low as -7°C (19°F), with an average of 4°C (40°F) and a maximum of 20°C (68°F). The month experiences significant precipitation, totaling 141 mm (5.6 in) over about 12 days, while humidity hovers around 70%. In contrast, May brings milder conditions, with minimum temperatures around -1°C (31°F), an average of 15°C (58°F), and highs reaching up to 29°C (85°F). Precipitation slightly increases to 155 mm (6.1 in), still spread across 12 days, but humidity rises to 81%, indicating a more humid environment. For more details, you can check Suwa weather in May.

In March, the weather is characterized by cooler temperatures, with an average of 4°C (40°F) and a significant possibility of chilly nights potentially dropping to -7°C (19°F). The month sees considerable precipitation, totaling 141 mm (5.6 in) over about 12 days, accompanied by a humidity level of 70%. In contrast, June experiences much warmer conditions, featuring an average temperature of 18°C (65°F), peaking at 29°C (84°F). The month brings slightly more rain, with 149 mm (5.8 in) spread across 14 days, and higher humidity at 88%, contributing to a distinctly more tropical feel. For a detailed look at the weather conditions in June, you can check Suwa weather in June.

March weather features a wide range of temperatures, with a minimum of -7°C (19°F) and an average of 4°C (40°F), reaching a maximum of 20°C (68°F). This month is characterized by relatively low humidity at around 70% and experiences about 141 mm (5.6 in) of precipitation over 12 days. In contrast, July sees significantly warmer temperatures, with a minimum of 14°C (58°F), an average of 22°C (72°F), and highs that can reach up to 33°C (91°F). The humidity climbs to 93%, and the month experiences more rainfall, with 289 mm (11.4 in) over 19 days. For a closer look at July's weather patterns, you can explore Suwa weather in July.

March and August present contrasting weather patterns in Suwa. In March, temperatures range from a chilly -7°C (19°F) to a mild 20°C (68°F), with an average of around 4°C (40°F). The month experiences moderate precipitation, totaling 141 mm (5.6 in) over about 12 days, alongside a humidity level of 70%. In contrast, August delivers much warmer temperatures, with lows of 12°C (53°F) and highs reaching up to 33°C (92°F), averaging 23°C (74°F). Despite slightly higher precipitation at 151 mm (5.9 in) over 16 days, the humidity peaks at a high 90%. For more details on the August weather in Suwa, you can visit Suwa weather in August.

March and September present contrasting weather characteristics, marking the transition from winter to autumn. In March, temperatures can dip as low as -7°C (19°F), with an average of 4°C (40°F) and a maximum reaching 20°C (68°F). The month sees about 141 mm (5.6 in) of precipitation over 12 days, accompanied by a humidity level of 70%. In comparison, September offers a much milder climate, with minimum temperatures around 6°C (42°F), an average of 19°C (66°F), and maximums soaring to 30°C (86°F). Precipitation increases to 171 mm (6.7 in) over 16 days, and humidity rises substantially to 86%. For a more detailed look at the weather patterns, you can visit Suwa weather in September.

March and October present distinct weather patterns, showcasing the transition from winter to spring and autumn to winter, respectively. In March, temperatures can drop to a minimum of -7°C (19°F) but may peak at 20°C (68°F), with an average temperature around 4°C (40°F). The month sees significant precipitation, averaging 141 mm (5.6 in) over about 12 days, accompanied by a humidity level of 70%.

In contrast, October experiences milder weather, with minimum temperatures at 0°C (33°F) and maximums reaching 26°C (79°F), averaging 13°C (56°F). With an increase in rainfall to 237 mm (9.3 in) spread over 16 days, October is also characterized by higher humidity at 83%. This shift in weather conditions reflects the gradual transition between seasons. For more detailed insights into October weather, visit Suwa weather in October.

March and November present contrasting weather patterns, with March experiencing a wider temperature range that swings from a chilly minimum of -7°C (19°F) to a comfortable maximum of 20°C (68°F). In contrast, November's temperatures are milder, ranging from -4°C (25°F) to a maximum of 18°C (65°F), and it typically averages slightly warmer at 7°C (44°F). Precipitation is more abundant in March, with 141 mm (5.6 in) spread over 12 days, while November sees significantly less rainfall at 66 mm (2.6 in) across 10 days. Additionally, humidity levels are higher in November at 80%, compared to March's 70%. For more details on November weather, you can visit Suwa weather in November.

When comparing the weather in March and December, notable differences emerge. March experiences a broader temperature range, with minimums around -7°C (19°F) and highs reaching 20°C (68°F), resulting in an average temperature of 4°C (40°F). In contrast, December is colder overall, with temperatures dipping to a minimum of -9°C (16°F) and a maximum of 16°C (62°F), leading to a chillier average of 1°C (34°F). Precipitation in March is heavier at 141 mm (5.6 in) compared to December's 84 mm (3.3 in), although both months see similar numbers of rainy days at 12. Additionally, December has slightly higher humidity levels at 78% relative to March’s 70%. For more specific details, you can visit Suwa weather in December.

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Conclusion: What to Expect From March Weather in Suwa

As March arrives in Suwa, it marks a significant transition in weather compared to the preceding winter months. Temperatures begin to rise, bringing a touch of warmth with maximums reaching up to 20°C (68°F), creating a stark contrast to the chill of winter's grip. While the average temperature hovers around a brisk 4°C (40°F), frosty mornings can still surprise with lows of -7°C (19°F). The month also witnesses notable precipitation, totaling 141 mm (5.6 in) across about 12 days, adding to the refreshing humidity of around 70%. This blend of milder days and lingering winter elements makes March in Suwa a unique experience. For more detailed insights into the seasons, visit Suwa Climate.