March Weather in Kusatsu, Japan

Last updated: August 21, 2025

March in Kusatsu, Japan brings a captivating transition from winter's chill to the promise of spring. With maximum temperatures reaching a pleasant 21°C (70°F), the average hovers around a cool 4°C (39°F), while nighttime drops can plunge to a brisk -8°C (19°F). Rain graces the region with total precipitation of 111 mm (4.4 in) spread across 14 days, contributing to the lush scenery that the area is known for. Humidity levels are notably high at 81%, enhancing the refreshing atmosphere. This month offers an enchanting blend of cool air and vibrant landscapes, making it a unique time to experience the beauty of Kusatsu.

March Temperature in Kusatsu

In March, Kusatsu, Japan, begins to emerge from the depths of winter, with temperatures reflecting a gradual warming trend. The minimum temperature settles at a chilly -8°C (19°F), while the average climbs to 4°C (39°F), offering a hint of spring's arrival. Days can be pleasantly mild, with a maximum reaching up to 21°C (70°F), making it the perfect time for visitors to explore the iconic hot springs and surrounding nature. This transition month showcases a striking shift as the cold gives way to more temperate conditions, heralding the blooming beauty of early spring. As temperatures steadily rise into April, the delightful warmth makes Kusatsu a wonderful destination for those looking to experience Japan's breathtaking seasonal changes.

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

The chart illustrates March temperature patterns in Kusatsu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kusatsu, 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).
JanFebMarAprMayJunJulAugSepOctNovDec293139475964717465554434
Data source: Temperature data for Kusatsu 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 Kusatsu

In March, Kusatsu experiences a noticeable uptick in precipitation, totaling 111 mm (4.4 in) over approximately 14 days, marking a significant increase from the steady 74 mm seen in both January and February. This surge hints at the transition from the dry chill of winter to the invigorating promise of spring. As April approaches, the rainfall remains consistent, with just a slight increase to 112 mm, suggesting the region is on a path to even wetter months ahead, particularly as the rainy season peaks in the summer. Such trends emphasize Kusatsu's vibrant climate, where each month brings a fresh rhythm of moisture that nourishes the lush landscapes.

March Precipitation Trends in Kusatsu

The chart displays monthly precipitation patterns in Kusatsu, 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 Kusatsu, March typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec74741111121391682781771682175076
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Kusatsu

In March, Kusatsu, Japan, experiences a noticeable shift in humidity, dropping to 81% from 86% in February. This transition marks the beginning of a gradual decrease as spring approaches, setting the stage for drier conditions that will continue into April. While March's humidity remains relatively high, it indicates a move away from the winter months, hinting at the more temperate climate that April brings with its even lower humidity of 78%. Interestingly, the humidity levels begin to rise again in May, reaching back to 81%, suggesting that while spring introduces a reprieve from winter moisture, the summer months will soon return the area to more humid conditions, with a peak of 92% in July and August.

March Average Humidity in Kusatsu

This chart illustrates the average monthly humidity levels in Kusatsu, 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 Kusatsu is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%81%79%81%88%92%92%89%87%85%86%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Kusatsu

As spring arrives in Kusatsu, Japan, the UV Index makes a noticeable leap in March, reaching 8, which falls into the very high exposure category. This surge signals a significant reduction in safe sun exposure time, as the burn time drops to just 15 minutes. Following a trend from February’s high UV Index of 6, the increasing intensity emphasizes the importance of sun protection as winter fades. April continues this trajectory with an even higher Index of 9, while May ushers in an extreme level at 11, shortening burn time further to a mere 10 minutes. This pattern highlights the urgent need for sun safety practices as outdoor activities ramp up in warmer months. Stay informed and prepared by checking out the detailed information at Kusatsu UV Index.

Maximum UV Index Levels in Kusatsu for March

The chart shows the monthly maximum UV Index (UVI) for Kusatsu 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 Kusatsu typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46891111111110753
Data source: Kusatsu 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 Kusatsu

March brings a notable boost in sunshine hours to Kusatsu, Japan, with a total of 261 hours basking in brightness. This increase marks a significant step from the previous winter months, showcasing a delightful transition into spring. As the days lengthen and the chill of winter fades, March not only outshines January and February but also sets the stage for even more luminous months ahead, with April and May continuing the upward trend at 279 and 287 hours, respectively. This gradual ascent in sunshine reflects the budding vitality of the season, inviting both locals and visitors to embrace the warmth and beauty that Kusatsu has to offer.

Monthly Sunshine Duration in Kusatsu: March Highlighted

The March sunshine duration represents the total number of hours Kusatsu 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.
JanFebMarAprMayJunJulAugSepOctNovDec183h231h261h279h287h267h237h278h228h209h227h219h
Data source: Kusatsu March Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Kusatsu During March

In Kusatsu, Japan, the likelihood of sunny weather takes on an intriguing pattern throughout the year. March, with a 33% chance of sunshine, mirrors January's conditions while showing a slight increase from February’s 45%. This period marks a transitional phase, as the arrival of spring begins to soften winter's grip. Though April sees a slight uptick to 42%, the chances of sun dip again in May to 24%, indicating a shift towards a wetter season. Overall, March presents a moderate opportunity for clear skies, inviting visitors to experience the charming snowfall of the tail end of winter before the region's weather warms and becomes less predictable.

Percentage of Sunny Days in March in Kusatsu

The chart illustrates the percentage of sunny days in Kusatsu 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 Kusatsu experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec33%45%33%42%24%20%27%21%21%37%46%41%
Data source: Kusatsu March chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Kusatsu in March

In March, Kusatsu, Japan, begins to shake off the winter chill, enjoying 11 hours of daylight as the days grow noticeably longer. This increase from 10 hours in February signals the onset of spring, a delightful transition that enhances outdoor activities and social gatherings. The steady climb in daylight continues into April, where the duration expands to 13 hours, and peaks in May at 14 hours. The longer days not only invigorate the local atmosphere but also hint at the vibrant natural beauty that awaits as cherry blossoms begin to blossom, heralding the arrival of warmer weather and longer, sunnier days.

Average Daylight Hours in Kusatsu for March

The chart illustrates the variation in daylight duration in Kusatsu throughout the year, with March highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 57m10h 49m11h 57m13h 7m14h 6m14h 36m14h 21m13h 30m12h 23m11h 13m10h 12m9h 41m
Data source: Kusatsu daylight hours, calculated by summing the hours between sunrise and sunset for each day.

March Winds in Kusatsu

As March arrives in Kusatsu, Japan, the winds begin to shift slightly, with an average speed of 2.2 m/s (5 mph), a small dip from February’s 2.5 m/s (6 mph). This gentle breeze, combined with the gradual warming of the season, creates a refreshing atmosphere that signals the transition from winter to spring. Despite this minor decline, the overall wind speeds remain relatively consistent during these early months, with January and December also boasting similar figures. As we move from March into April, the winds show a slight uptick to 2.4 m/s (5 mph), hinting at a lively prelude to the vibrant spring days ahead. Thus, while the winds may flirt with stability, they herald a change in the air, inviting the fragrant blooms and longer days that characterize this enchanting period in Kusatsu.

Average March Wind Speed in Kusatsu

The chart displays monthly wind speed patterns in Kusatsu, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.12.52.2 m/s2.42.01.51.31.61.71.81.92.2
Data source: Kusatsu March wind data, generated using information from the Copernicus Climate Change Service.

How March Weather in Kusatsu Compares to Other Months

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

March weather brings more variability compared to January, with temperatures ranging from a minimum of -8°C (19°F) to a maximum of 21°C (70°F) and an average of 4°C (39°F). This is a noticeable increase from January's colder temperatures, where the minimum dips to -12°C (11°F) and the maximum reaches only 9°C (49°F), averaging at -2°C (29°F). Additionally, March experiences higher precipitation levels at 111 mm (4.4 in) over 14 days, while January sees less rainfall at 74 mm (2.9 in) across 16 days. Humidity is slightly lower in March at 81% compared to January's 88%. For a closer look at January specifics, you can visit Kusatsu weather in January.

March generally presents a more moderate climate compared to February, with average temperatures rising from -1°C (31°F) in February to a mild 4°C (39°F) in March. The maximum temperature in March can reach up to 21°C (70°F), offering a notable contrast to February's peak of 17°C (63°F). While both months experience precipitation on approximately 14 days, March receives significantly more rainfall at 111 mm (4.4 in) compared to February's 74 mm (2.9 in). Additionally, humidity levels are slightly lower in March at 81%, compared to February's 86%. For more detailed information about February weather, you can visit Kusatsu weather in February.

March and April both showcase notable shifts in weather, reflecting the transition from winter to spring. March temperatures range from a chilly minimum of -8°C (19°F) to a pleasant maximum of 21°C (70°F), with an average of 4°C (39°F). This month experiences significant precipitation, totaling 111 mm (4.4 in) over 14 days, coupled with high humidity at 81%. In contrast, April is slightly warmer, with temperatures ranging from a minimum of -5°C (24°F) to a maximum of 27°C (81°F), yielding an average of 9°C (48°F). This month sees a marginally increased precipitation of 112 mm (4.4 in) over 15 days, but the humidity decreases to 78%. For those interested in more detailed insights about April's weather, you can check the link: Kusatsu weather in April.

In comparing March and May weather, March presents a cooler climate with temperatures ranging from a chilly -8°C (19°F) at night to a mild 21°C (70°F) during the day, averaging around 4°C (39°F). The month experiences significant precipitation, totaling 111 mm (4.4 in) over 14 days, all while maintaining a consistent humidity level of 81%. In contrast, May sees a notable increase in temperature, with minimums at 0°C (32°F), average highs of 15°C (59°F), and peaks reaching up to 30°C (87°F). Precipitation slightly rises to 139 mm (5.5 in) across 16 days, yet the humidity remains stable at 81%. For a closer look at the weather conditions typical for this time, you can check out the details here: Kusatsu weather in May.

March and June exhibit significant differences in weather conditions. In March, temperatures range from a chilly minimum of -8°C (19°F) to a comfortable maximum of 21°C (70°F), with an average temperature of about 4°C (39°F). However, this month is characterized by persistent precipitation, totaling 111 mm (4.4 in) over 14 days, alongside relatively high humidity at 81%.

In contrast, June experiences much warmer temperatures, with a minimum of 6°C (43°F), an average of 18°C (65°F), and a peak of 30°C (87°F). The rainfall increases to 168 mm (6.6 in) over 18 days, and humidity rises slightly to 88%. This transition from the chill of March to the warmth of June highlights a clear seasonal shift. For more details, you can check Kusatsu weather in June.

March weather is characterized by a wider temperature range, with a minimum of -8°C (19°F) and a maximum of 21°C (70°F), leading to an average of 4°C (39°F). Precipitation levels are moderate at 111 mm (4.4 in) over 14 days, and humidity sits at a comfortable 81%. In stark contrast, July experiences significantly warmer temperatures, ranging from a minimum of 14°C (58°F) to a high of 33°C (91°F), resulting in an average of 22°C (72°F). It also sees increased rainfall, totaling 278 mm (10.9 in) across 25 days, and a higher humidity level of 92%. For a detailed look at July weather patterns, visit Kusatsu weather in July.

March and August present stark contrasts in weather. In March, temperatures range from a chilly min of -8°C (19°F) to a mild max of 21°C (70°F), with an average of 4°C (39°F). The month experiences significant precipitation, totaling 111 mm (4.4 in) over 14 days, combined with a humidity of 81%. In contrast, August features much warmer temperatures, with a minimum of 11°C (52°F), an average of 23°C (74°F), and a maximum reaching 34°C (93°F). Precipitation increases in August to 177 mm (7.0 in) over 22 days, accompanied by higher humidity at 92%. For more insights, visit Kusatsu weather in August.

March and September present contrasting weather patterns. In March, temperatures fluctuate significantly, with a minimum of -8°C (19°F) and an average of 4°C (39°F), making it a chillier month overall. The precipitation in March totals 111 mm (4.4 in) over 14 days, while humidity sits at a relatively high 81%. In contrast, September experiences milder temperatures, ranging from a minimum of 7°C (44°F) to a maximum of 29°C (85°F), with an average temperature of 19°C (66°F). It also sees increased precipitation at 168 mm (6.6 in) across 19 days and slightly higher humidity at 89%. For more detailed insights about this month, check out Kusatsu weather in September.

March and October present distinct weather patterns, with March experiencing a wider temperature range, featuring minimums as low as -8°C (19°F) and maximums reaching 21°C (70°F). In contrast, October maintains milder temperatures, ranging from a minimum of 1°C (34°F) to a maximum of 26°C (80°F). Additionally, October sees significantly more precipitation at 217 mm (8.5 in) over 17 days compared to March's 111 mm (4.4 in) over 14 days. The humidity is slightly higher in October at 87%, while March has an average humidity of 81%. For more insights, check out Kusatsu weather in October.

In comparing the weather of March and November, March experiences a slightly wider range of temperatures, with a minimum of -8°C (19°F) and a maximum reaching 21°C (70°F), while November has a milder range with a minimum of -4°C (24°F) and a maximum of 20°C (68°F). Precipitation levels in March are significantly higher, averaging 111 mm (4.4 in) over 14 days compared to November's 50 mm (2.0 in) over just 10 days. Humidity remains high in both months, with March at 81% and November slightly higher at 85%. For those interested in a more detailed look at November's weather, you can check out Kusatsu weather in November.

In March, temperatures begin to rise with a minimum of -8°C (19°F) and an average of 4°C (39°F), peaking at a comfortable 21°C (70°F). The month experiences significant precipitation, totaling 111 mm (4.4 in) over about 14 days, and humidity averages around 81%. In contrast, December features a slightly lower average temperature of 1°C (35°F), with a maximum of 18°C (65°F) and the same minimum of -8°C (17°F). Precipitation is less, totaling 76 mm (3.0 in) across 15 days, and humidity is a touch higher at 86%. For a more detailed look at December weather, check out Kusatsu weather in December.

Compare Kusatsu's Climate with Cities Worldwide

Conclusion: What to Expect From March Weather in Kusatsu

As March unfolds in Kusatsu, the weather begins its transition from the chill of winter to the promise of spring. Temperatures gradually rise, offering a breath of warmth, with milder days replacing freezing conditions, although chilly nights still remind us that winter lingers. While precipitation is frequent, casting a light veil over the blossoming scenery, the high humidity contributes to a refreshing atmosphere that invigorates the spirit. March's weather sets the stage for a vibrant transformation, making it a compelling time to experience the charm of Kusatsu. For a deeper understanding of the region's climate, explore Kusatsu Climate.