March Weather in Muroran, Japan

Last updated: August 21, 2025

In Muroran, Japan, March ushers in a transitioning climate, marked by a maximum temperature of 10°C (50°F) and an average of 2°C (36°F), dipping as low as -5°C (23°F). This month experiences a notable precipitation total of 81 mm (3.2 in) over approximately 9 days, contributing to the region's characteristic 81% humidity. As winter retreats, the weather provides a unique blend of chilly, damp conditions, setting the stage for the awakening of spring.

March Temperature in Muroran

In March, the temperatures in Muroran, Japan start to show the first signs of spring, with a noticeable shift from the depths of winter. The minimum temperature hovers around -5°C (23°F), allowing for a brisk chill still in the air, while the average climbs to a more inviting 2°C (36°F). As the month progresses, highs can reach up to 10°C (50°F), marking a gradual thaw that hints at the warmer months to come. This transitional period contrasts sharply with the preceding winter months, as temperatures become more bearable, encouraging outdoor activities and an appreciation for the blooming landscape. The distinct upward trend from February's enduring cold reflects the awakening of nature, making March a pivotal month in Muroran's climatic journey.

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

The chart illustrates March temperature patterns in Muroran, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Muroran, 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).
JanFebMarAprMayJunJulAugSepOctNovDec303036425058667066574634
Data source: Temperature data for Muroran 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 Muroran

March in Muroran marks a notable increase in precipitation, with 81 mm (3.2 in) of rain spread over 9 days. This shift contributes to a trend of escalating rainfall as spring approaches, following January and February's totals of 66 mm and 59 mm, respectively. As winter recedes, the region experiences a gradual uptick in moisture that sets the stage for the wetter months ahead, with April and May averaging 86 mm and 99 mm. The relatively short duration of rain in March, paired with a rising total, suggests a transition into a more dynamic weather pattern, embracing the invigorating arrival of spring.

March Precipitation Trends in Muroran

The chart displays monthly precipitation patterns in Muroran, 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 Muroran, March typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec66598186991261281941371279586
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Muroran

In March, humidity in Muroran, Japan begins to reflect the gradual transition from winter to spring, with levels at 81%, a slight decline from the preceding months of January and February, which hovered around 84% and 83%, respectively. This slight drop indicates a shift towards milder conditions as the cold grip of winter releases its hold. Continuing into April, humidity remains stable at 81%, suggesting that while spring is on the horizon, the coastal city still experiences significant moisture in the air. This trend of relatively high humidity is mirrored as it increases to 86% in May, heralding the onset of summer, which sees the humidity soar even higher in the humid months of June and July, reaching up to 93% and 95%. Thus, March can be seen as a pivotal month where mild humidity levels mark the beginning of a humid season ahead.

March Average Humidity in Muroran

This chart illustrates the average monthly humidity levels in Muroran, 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 Muroran is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%83%81%81%86%87%93%95%88%83%79%80%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Muroran

As March arrives in Muroran, Japan, the UV Index sees a notable rise to 5, categorizing it as moderate. This indicates a shift from the cooler months, where January and February provided lower exposure levels of 2 and 3, respectively. With a burn time of just 30 minutes, residents and visitors alike should be mindful of sun safety as they enjoy the early signs of spring. Looking ahead, the UV Index will continue to climb, reaching 7 in April and peaking at 10 during the summer months. To stay informed about daily variations and ensure proper protection, check the latest updates at Muroran UV Index.

Maximum UV Index Levels in Muroran for March

The chart shows the monthly maximum UV Index (UVI) for Muroran 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 Muroran typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec23579109108632
Data source: Muroran 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 Muroran

In Muroran, Japan, March heralds the arrival of spring with a significant leap in sunshine, boasting 253 hours of sunlight—up from 195 hours in February. This increase not only signals a welcome shift from winter's subdued light but also sets the stage for the radiant days ahead. As the city moves into April, the sunshine soars to 285 hours, paving the way for the blissful months of May and June, where daylight peaks at 300 hours and 294 hours, respectively. This trend of increasing sunlight continues through summer, gradually tapering off in the fall. The progression from winter's dim days to the vibrant luminosity of late spring is a dynamic reminder of nature's cyclical rhythm, inviting both residents and visitors to bask in the revitalizing warmth of the sun.

Monthly Sunshine Duration in Muroran: March Highlighted

The March sunshine duration represents the total number of hours Muroran 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.
JanFebMarAprMayJunJulAugSepOctNovDec142h195h253h285h300h294h299h277h265h235h183h170h
Data source: Muroran March Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Muroran During March

As March arrives in Muroran, Japan, residents can anticipate a modest 37% chance of sunny weather, reflecting a gradual shift from the dreariness of winter. This increase in sunshine opportunities signals a promising transition into spring, as the likelihood of clear skies rises compared to the preceding months of January and February. Interestingly, April continues this upward trend, boasting a 45% chance of sunshine, marking a peak for the season. However, as the summer approaches, the sunniest months like July and August take a dip, reminding us that while March offers a brighter outlook, it is just a precursor to the fluctuating weather that follows in the coming months.

Percentage of Sunny Days in March in Muroran

The chart illustrates the percentage of sunny days in Muroran 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 Muroran experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec32%34%37%45%31%43%28%24%40%43%42%34%
Data source: Muroran March chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Muroran in March

As March arrives in Muroran, Japan, the days begin to stretch longer, offering a delightful 11 hours of daylight—a clear sign that winter's grip is loosening. Following the progression from the shorter days of January and February, this month marks a transition towards brighter times, with daylight increasing by an hour compared to February. The gradual lengthening continues into April and May, peaking at 14 hours in the latter month. This upward trend not only illuminates the landscape but also rejuvenates the spirit, heralding the approach of vibrant summer days. As spring unfolds, Muroran’s residents can relish the growing light, making each day an invitation to explore the beautiful surroundings.

Average Daylight Hours in Muroran for March

The chart illustrates the variation in daylight duration in Muroran throughout the year, with March highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 27m10h 32m11h 56m13h 22m14h 35m15h 12m14h 53m13h 49m12h 27m11h 2m9h 46m9h 7m
Data source: Muroran daylight hours, calculated by summing the hours between sunrise and sunset for each day.

March Winds in Muroran

In March, the winds in Muroran, Japan, show a notable decline, with an average speed of 4.8 m/s (11 mph), significantly calmer compared to the preceding months of January and February, which clocked in at 7.0 m/s and 7.1 m/s, respectively. This gentle breeze marks the transition into spring, creating a refreshing pause before the summer winds pick up in August. Interestingly, the trend continues into early spring, as April maintains the same wind speed, suggesting a period of consistent, mild conditions that allow for outdoor enjoyment without the harshness of stronger winter gales. As the year progresses, wind speeds gradually decrease, hitting a low of 3.9 m/s (9 mph) in June, before making a subtle comeback in the late months of summer and autumn. Overall, March embodies a serene aspect of Muroran's climate, ushering in a tranquil spring while hinting at the seasonal shifts through its gentle winds.

Average March Wind Speed in Muroran

The chart displays monthly wind speed patterns in Muroran, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7.07.14.8 m/s4.84.33.94.35.24.24.86.46.7
Data source: Muroran March wind data, generated using information from the Copernicus Climate Change Service.

How March Weather in Muroran Compares to Other Months

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

When comparing the weather in March and January, March generally presents milder conditions, with average temperatures rising to around 2°C (36°F) compared to January's chillier average of -1°C (30°F). While both months experience sub-zero nighttime temperatures, January’s minimum temperature can drop to -9°C (16°F), making it colder overall. Additionally, March sees more precipitation, with 81 mm (3.2 in) falling over 9 days, in contrast to January's 66 mm (2.6 in) over 13 days, indicating that March is slightly wetter but less consistently so than January. Humidity levels are relatively similar, with March at 81% and January at 84%, adding a damp chill to both months. For a closer look at the specifics of January weather, you can visit Muroran weather in January.

In comparing the weather between February and March, it is evident that March experiences slightly milder temperatures, with an average of 2°C (36°F) compared to February's average of -1°C (30°F). The minimum temperature in March is -5°C (23°F), which is warmer than February's minimum of -10°C (14°F). Although March has increased precipitation at 81 mm (3.2 in) over 9 days, compared to February’s 59 mm (2.3 in) over 13 days, the humidity remains quite similar, with March at 81% and February slightly higher at 83%. For more detailed information on February's weather conditions, you can visit Muroran weather in February.

March and April exhibit notable shifts in weather as spring progresses. In March, temperatures range from a minimum of -5°C (23°F) to a maximum of 10°C (50°F), with an average temperature of 2°C (36°F). The month sees around 81 mm (3.2 in) of precipitation over 9 days, coupled with a consistent humidity of 81%. In contrast, April brings a warmer climate with minimum temperatures at 0°C (32°F) and maximums reaching 15°C (59°F), resulting in an average of 6°C (42°F). Precipitation slightly increases to 86 mm (3.4 in) spread over 11 days, while humidity remains steady at 81%. For a closer look at typical conditions during this month, check out Muroran weather in April.

In March, the weather tends to be quite chilly, with temperatures ranging from a minimum of -5°C (23°F) to a maximum of 10°C (50°F). The average temperature hovers around 2°C (36°F), accompanied by high humidity of 81% and significant precipitation of 81 mm (3.2 in) over about 9 days. In contrast, May brings much milder conditions, with temperatures beginning at a minimum of 5°C (41°F) and reaching up to 22°C (73°F), averaging around 10°C (50°F). The month is wetter, with precipitation totaling 99 mm (3.9 in) over 10 days and a slight increase in humidity to 86%. For more details on the weather in May, visit Muroran weather in May.

March and June in Muroran exhibit strikingly different weather patterns. In March, temperatures are significantly cooler, with averages hovering around 2°C (36°F) and a maximum of only 10°C (50°F). The month also sees considerable precipitation, with 81 mm (3.2 in) falling over 9 days and a humidity level of 81%. In contrast, June brings warmer temperatures, starting from a minimum of 9°C (48°F) and averaging 14°C (58°F), peaking at 20°C (69°F). Although June experiences more rainfall overall at 126 mm (5.0 in) spread across 11 days, the increased humidity of 87% contributes to a feeling of warmth that contrasts sharply with March's chill. For more details on June weather, you can check out Muroran weather in June.

The weather in March and July presents a stark contrast, highlighting the seasonal shifts. In March, temperatures range from a chilly -5°C (23°F) to a mild 10°C (50°F), with an average of 2°C (36°F). Precipitation is frequent, occurring over 9 days, contributing to a humidity level of 81%. In comparison, July experiences significantly warmer conditions, with temperatures peaking between 13°C (55°F) and 26°C (79°F), and an average of 19°C (66°F). Although July has a higher total precipitation of 128 mm (5.0 in) spread over 14 days, the humidity rises slightly to 93%. For a more detailed view of the July weather, check out this link: Muroran weather in July.

March and August present stark contrasts in weather conditions. In March, temperatures are considerably cooler, with minimums reaching -5°C (23°F) and average highs around 10°C (50°F). The month typically experiences 81 mm (3.2 in) of precipitation over about 9 days, accompanied by a humidity level of 81%. Conversely, August brings much warmer temperatures, with minimums around 16°C (61°F) and average highs peaking at 27°C (82°F). This summer month is also wetter, with 194 mm (7.7 in) of precipitation spread over 15 days and significantly higher humidity at 95%. For a closer look at August weather in Muroran, you can refer to Muroran weather in August.

March and September present contrasting weather patterns, reflecting the transition from winter to autumn. In March, temperatures range from a chilly -5°C (23°F) at night to a mild 10°C (50°F) during the day, with an average of around 2°C (36°F). Precipitation is moderate at 81 mm (3.2 in) over 9 days, coupled with a high humidity of 81%. In contrast, September boasts much warmer temperatures, with minimums of 13°C (56°F) and daytime highs reaching up to 27°C (81°F), averaging 19°C (67°F). The month sees increased rainfall, totaling 137 mm (5.4 in) across 13 days and slightly higher humidity levels at 88%. For more detailed insights, you can check this Muroran weather in September.

March and October present distinctly different weather patterns. In March, temperatures range from a chilly -5°C (23°F) to a mild 10°C (50°F), with an average of about 2°C (36°F). The month experiences around 81 mm (3.2 in) of precipitation over 9 days and a humidity level of 81%. In contrast, October boasts significantly warmer temperatures, with a minimum of 6°C (43°F) and a maximum of 23°C (73°F), averaging 14°C (58°F). This month also sees increased precipitation at 127 mm (5.0 in) over 12 days and a slightly higher humidity of 83%. For more about October weather in Muroran, you can check Muroran weather in October.

When comparing the weather in March and November, March tends to be colder, with average temperatures around 2°C (36°F) and a maximum of 10°C (50°F), while November sees milder conditions, with averages reaching 8°C (46°F) and highs of 17°C (62°F). Precipitation is slightly higher in November at 95 mm (3.8 in) over 13 days compared to March's 81 mm (3.2 in) over 9 days, indicating a wetter month. Additionally, humidity levels are similar between the two months, with March at 81% and November at 79%. For a more detailed look at November weather, you can visit Muroran weather in November.

In March, temperatures in Muroran generally range from a low of -5°C (23°F) to a high of 10°C (50°F), with an average temperature of 2°C (36°F). The month sees about 81 mm (3.2 in) of precipitation over approximately 9 days, while humidity hovers around 81%. In contrast, December experiences slightly cooler temperatures, with minimums dropping to -6°C (21°F) and maximums reaching 13°C (56°F), averaging 1°C (35°F). December is also wetter, accumulating 86 mm (3.4 in) of precipitation, but over a longer duration of 21 days, resulting in a humidity level of 80%. For a deeper understanding of the December climate, you can check Muroran weather in December.

Compare Muroran's Climate with Cities Worldwide

Conclusion: What to Expect From March Weather in Muroran

As March unfolds in Muroran, the transition from winter chill to early spring can be felt, marked by a noticeable uptick in temperature. While the month still holds onto some of winter's grasp, with occasional cold days and significant humidity, it also invites a hint of warmth with frequent thawing. Precipitation remains prevalent, with nearly a third of the days experiencing rain or snow, making this a key month for the region's melt and renewal. Compared to the harsher winter months, March offers a glimpse of the impending spring, welcoming a steady shift towards milder conditions. For a deeper dive into what to expect from Muroran's climate, check out Muroran Climate.