March Weather in Itoigawa, Japan

Last updated: August 21, 2025

In March, Itoigawa, Japan, experiences a transition into spring, characterized by a varied climate that combines mild temperatures and significant rainfall. The maximum temperature peaks at 16°C (61°F), while the average temperature hovers around a cool 5°C (41°F), with nighttime lows dropping to a brisk -4°C (24°F). This month sees 175 mm (6.9 in) of precipitation across 18 days, enveloping the area in a blanket of humidity measuring 81%. As the days gradually grow warmer, the rich tapestry of weather shapes the vibrant landscape, setting the stage for the beauty of springtime in Itoigawa.

March Temperature in Itoigawa

In March, Itoigawa begins to shake off the chill of winter, as temperatures gradually rise from their frosty lows. The month starts with minimum temperatures around -4°C (24°F), but by mid-month, the average climbs to a refreshing 5°C (41°F), signaling a subtle shift towards spring. The maximum temperature can reach a pleasant 16°C (61°F), allowing residents and visitors to embrace the newfound warmth. This upward trend in temperatures from the bleakness of January and February showcases the area's transition, making March a vibrant precursor to the blooming warmth of April. As the snow melts, Itoigawa starts to reveal its stunning landscapes, inviting exploration under clearer skies and milder temperatures.

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

The chart illustrates March temperature patterns in Itoigawa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Itoigawa, 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).
JanFebMarAprMayJunJulAugSepOctNovDec353541495966757871625140
Data source: Temperature data for Itoigawa 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 Itoigawa

March in Itoigawa, Japan, sees a notable dip in precipitation compared to the preceding winter months, with 175 mm (6.9 in) of rain falling over about 18 days. This marks a shift from the heavier downpours of January and February, which boasted over 260 mm of rain. As spring approaches, March offers a breath of fresh air, hinting at the seasonal transition with a break from the winter's abundance. In fact, precipitation levels in March are closely mirrored in April, as both months receive similar amounts of rainfall. This gradual decline in precipitation paves the way for the sunnier days of late spring, signaling not just a change in weather but a gradual awakening of the scenic landscapes of Itoigawa.

March Precipitation Trends in Itoigawa

The chart displays monthly precipitation patterns in Itoigawa, 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 Itoigawa, March typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec264235175174138168347265265258185294
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Itoigawa

In March, humidity in Itoigawa, Japan, begins to decline, sitting at a moderate 81%. This drop follows the high humidity of 88% in January and 86% in February, suggesting a gradual transition into spring. As the month progresses, the air becomes noticeably less saturated, paving the way for a more comfortable atmosphere. This trend continues into April, with humidity decreasing further to 78%, before stabilizing again in May at 81%. Notably, the seasonal shift sees a rise in humidity levels as summer approaches, reaching peaks in July and August, creating a dynamic climate that fluctuates throughout the year.

March Average Humidity in Itoigawa

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

As March unfolds in Itoigawa, Japan, the UV Index rises to 7, marking a transition into the high exposure category with a burn time of just 25 minutes. This reflects a notable increase from the previous months, signaling a shift in the spring sun's intensity. In contrast to February's moderate levels, the UV Index will continue to climb in April, peaking at 9, and reach its maximum of 10 by May and June. It's clear that residents and visitors should remain vigilant during March, adapting their sun protection practices as they prepare for the more intense UV conditions ahead. For detailed insights, explore the Itoigawa UV Index.

Maximum UV Index Levels in Itoigawa for March

The chart shows the monthly maximum UV Index (UVI) for Itoigawa 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 Itoigawa typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101011119653
Data source: Itoigawa 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 Itoigawa

March in Itoigawa, Japan, basks in a vibrant 259 hours of sunshine, marking a delightful transition as winter succumbs to spring. This increase from February's 204 hours heralds warmer days, encouraging outdoor adventures and blossoming nature. As the sun rises higher in the sky, residents and visitors alike can revel in the gradual climb towards the peak sun-soaked months of May and August, which boast an impressive 303 hours of sunlight each. With each passing month, Itoigawa's sunshine hours typically enhance, creating a delightful rhythm that invites exploration and appreciation of its scenic landscapes. Embrace the warmth of March sunshine, as it not only brightens the day but sets the stage for the thriving beauty that follows.

Monthly Sunshine Duration in Itoigawa: March Highlighted

The March sunshine duration represents the total number of hours Itoigawa 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.
JanFebMarAprMayJunJulAugSepOctNovDec148h204h259h280h303h297h286h302h252h227h216h192h
Data source: Itoigawa March Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Itoigawa During March

In March, Itoigawa begins to shake off the winter chill with a 32% chance of sunny weather, marking a gradual increase from the 31% in February. This upward trend continues into April, where the likelihood of sunny days jumps to 45%, indicating the approach of spring. Interestingly, while March's sun chances are slightly better than the winter months, they still fall short compared to the more abundant sunshine later in the spring and early summer. The weather pattern shows that as the year progresses toward warmer months, residents and visitors alike can expect more frequent sunny spells, enhancing the overall charm of this coastal city.

Percentage of Sunny Days in March in Itoigawa

The chart illustrates the percentage of sunny days in Itoigawa 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 Itoigawa experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec22%31%32%45%31%28%36%22%32%39%46%27%
Data source: Itoigawa March chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Itoigawa in March

As winter gives way to spring in Itoigawa, Japan, March brings a noticeable increase in daylight, with 11 hours of sunlight illuminating the landscape. This gradual transition from the shorter days of winter is marked by an increase of one hour compared to February's 10 hours, suggesting the budding optimism of the season ahead. The ascent in daylight continues into April, reaching 13 hours, and peaks in the summer months, providing a perfect backdrop for outdoor activities and the blooming of nature. This trend of lengthening days not only enhances the beauty of the region but also lifts the spirits, offering residents and visitors alike a sense of renewal and vitality as spring emerges.

Average Daylight Hours in Itoigawa for March

The chart illustrates the variation in daylight duration in Itoigawa throughout the year, with March highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 55m10h 48m11h 57m13h 8m14h 8m14h 38m14h 23m13h 31m12h 23m11h 12m10h 10m9h 39m
Data source: Itoigawa daylight hours, calculated by summing the hours between sunrise and sunset for each day.

March Winds in Itoigawa

March in Itoigawa, Japan, marks a notable shift in the weather, with the average wind speed dropping to 2.5 m/s (6 mph)—a continuation of a gentle breeze that begins in late winter and persists into early spring. This mild wind serves as a prelude to warmer days, creating a refreshing atmosphere as nature awakens. Compared to the brisk winds of January and February, which average 3.4 m/s (8 mph) and 3.9 m/s (9 mph) respectively, March offers a retreat from the chill, inviting residents and visitors alike to enjoy the picturesque landscapes. As spring approaches, the steady decline in wind speed continues through April and May, hinting at calmer days ahead while maintaining a soothing backdrop for the blooming scenery of Itoigawa.

Average March Wind Speed in Itoigawa

The chart displays monthly wind speed patterns in Itoigawa, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.43.92.5 m/s2.52.71.61.61.91.92.33.33.7
Data source: Itoigawa March wind data, generated using information from the Copernicus Climate Change Service.

How March Weather in Itoigawa Compares to Other Months

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

In comparison, March experiences slightly milder temperatures than January, with an average of 5°C (41°F) versus January's 2°C (35°F). While January has a maximum temperature of 11°C (53°F), March can reach up to 16°C (61°F), offering a more pleasant atmosphere as spring approaches. However, March also sees increased precipitation, totaling 175 mm (6.9 in) over 18 days, compared to January's 263 mm (10.4 in) spread over 23 days, reflecting a wetter winter month. Humidity levels remain high in both months, with January at 88% and March slightly lower at 81%. For more details, you can refer to Itoigawa weather in January.

In comparing the weather between February and March, March tends to be slightly milder, with average temperatures rising from February's 2°C (35°F) to 5°C (41°F). The minimum temperature also sees an improvement, with March's low at -4°C (24°F) compared to February's -6°C (22°F). However, March experiences more variability, with a maximum temperature that can reach up to 16°C (61°F), significantly higher than February’s maximum of 12°C (54°F).

In terms of precipitation, March receives less rain overall, totaling 175 mm (6.9 in) over 18 days, while February has higher precipitation at 235 mm (9.2 in) spread over 22 days. Humidity levels remain high in both months, but are slightly lower in March at 81% compared to February's 86%. For a deeper look into February weather specifics, you can check out Itoigawa weather in February.

March and April present a notable transition in weather conditions. In March, temperatures can dip as low as -4°C (24°F), with an average of 5°C (41°F) and a maximum of 16°C (61°F). This month also sees considerable precipitation, accumulating to 175 mm (6.9 in) over 18 days, accompanied by a high humidity level of 81%. In contrast, April experiences slightly milder temperatures, with a minimum of -1°C (31°F), an average of 9°C (49°F), and a maximum reaching 21°C (70°F). The precipitation is slightly less at 174 mm (6.9 in), but it occurs over just 15 days, resulting in lower humidity of 78%. This shift indicates not only warmer days but also a gradual decrease in moisture as spring progresses. For more detailed information, check Itoigawa weather in April.

March and May present contrasting weather patterns, with March characterized by cooler temperatures and higher precipitation. In March, temperatures range from a chilly minimum of -4°C (24°F) to a maximum of 16°C (61°F), averaging around 5°C (41°F). The month is also marked by significant rainfall, with 175 mm (6.9 in) falling over 18 days, while humidity remains high at 81%. In comparison, May enjoys milder temperatures, with a minimum of 6°C (42°F), an average of 15°C (59°F), and highs reaching 26°C (79°F). Precipitation decreases to 138 mm (5.4 in) over 15 days, yet the humidity remains consistent at 81%. For more details on the pleasant weather during this month, you can check Itoigawa weather in May.

March weather in Itoigawa is characterized by chilly temperatures, ranging from a minimum of -4°C (24°F) to a maximum of 16°C (61°F), with an average of 5°C (41°F). Precipitation is significant, with 175 mm (6.9 in) falling over 18 days and humidity levels averaging 81%. In contrast, June brings much warmer conditions, featuring a minimum temperature of 10°C (51°F) and reaching up to 26°C (80°F), with an average of 19°C (66°F). While precipitation slightly decreases to 168 mm (6.6 in) across 13 days, humidity rises to 88%. For more detailed insights, you can check Itoigawa weather in June.

March and July present starkly contrasting weather conditions. In March, temperatures range from a chilly minimum of -4°C (24°F) to a mild maximum of 16°C (61°F), with an average of 5°C (41°F). The month sees considerable precipitation, totaling 175 mm (6.9 in) over 18 days, accompanied by high humidity at 81%. In contrast, July boasts significantly warmer weather, with temperatures ranging from a minimum of 18°C (64°F) to a maximum of 34°C (94°F), averaging around 24°C (75°F). This summer month experiences even higher precipitation, reaching 347 mm (13.7 in) across 23 days, along with increased humidity at 92%. For more details, you can check Itoigawa weather in July.

The weather in March and August presents a stark contrast, highlighting the seasonal shifts. In March, temperatures range from a chilly minimum of -4°C (24°F) to a pleasant maximum of 16°C (61°F), with an average of 5°C (41°F). Precipitation during this month totals 175 mm (6.9 in) over 18 days, accompanied by a humidity level of 81%. Conversely, August boasts much warmer temperatures, with a minimum of 18°C (64°F), an average of 26°C (78°F), and a sweltering maximum of 33°C (91°F). Precipitation increases to 265 mm (10.4 in) across 20 days, and humidity rises to 92%. For a detailed look at August weather, you can visit Itoigawa weather in August.

In March, the weather is considerably cooler with temperatures ranging from a chilly -4°C (24°F) at night to a mild maximum of 16°C (61°F) during the day, along with an average temperature of 5°C (41°F). This month experiences significant precipitation, totaling 175 mm (6.9 in) over approximately 18 days, contributing to a high humidity level of 81%. In contrast, September boasts much warmer temperatures, with a minimum of 13°C (56°F) and peaks reaching up to 32°C (90°F), averaging around 22°C (72°F). It also sees increased rainfall at 265 mm (10.4 in) across 21 days and higher humidity at 89%. For more details, you can check the Itoigawa weather in September.

March and October present contrasting weather patterns, showcasing the transition between winter and autumn. In March, temperatures range from a chilly -4°C (24°F) to a milder 16°C (61°F), with an average of 5°C (41°F). The month experiences significant precipitation, totaling 175 mm (6.9 in), spread across 18 days, and an average humidity of 81%. In comparison, October enjoys warmer temperatures, with a minimum of 8°C (47°F), an average of 16°C (62°F), and a maximum reaching 28°C (82°F). Despite being a generally warmer month, October sees even higher precipitation at 258 mm (10.2 in) over 18 days and increased humidity at 87%. For more insights on October weather, you can check Itoigawa weather in October.

In comparing March and November weather, March tends to start off quite chilly, with temperatures ranging from a minimum of -4°C (24°F) to a maximum of 16°C (61°F), resulting in an average temperature of 5°C (41°F). Precipitation is relatively high during this month, with 175 mm (6.9 in) falling over approximately 18 days, while humidity hovers around 81%. In contrast, November experiences milder temperatures, ranging from a minimum of 0°C (32°F) to a maximum of 22°C (71°F), with an average temperature of 11°C (51°F). The month sees slightly more precipitation at 185 mm (7.3 in) over 19 days, and humidity levels are a bit higher at 85%. Overall, November offers a warmer and wetter climate compared to the colder, possibly wintry conditions of March. For more details on November weather in this region, check out Itoigawa weather in November.

When comparing the weather in March and December, both months experience similar minimum temperatures, hovering around -4°C (24°F), but March tends to have a slightly warmer average temperature of 5°C (41°F) compared to December's average of 4°C (40°F). December, however, can reach higher maximum temperatures of up to 18°C (65°F) compared to 16°C (61°F) in March. Precipitation levels are significantly higher in December, with 294 mm (11.6 in) falling over 24 days, while March sees 175 mm (6.9 in) over 18 days. Humidity levels also increase slightly in December, averaging 86% compared to March's 81%. For more details, check out the specific climate information here: Itoigawa weather in December.

Compare Itoigawa's Climate with Cities Worldwide

Conclusion: What to Expect From March Weather in Itoigawa

As March arrives in Itoigawa, the weather begins its gentle transition from winter's chill to the promise of spring. Temperatures start to climb, but the average is still notably brisk compared to the warmth of the coming months. The frequent precipitation, with rain appearing on nearly 18 days throughout the month, adds a layer of crisp freshness to the air, while the high humidity of 81% can make the cool days feel brisker. This combination of cool temperatures and increased moisture sets March apart, creating a vibrant atmosphere that hints at the blossoming beauty to come. For a detailed look at how Itoigawa's climate evolves, check Itoigawa Climate.