Last updated: August 21, 2025
March in Otaru, Japan welcomes the transition from winter to spring with a diverse climate experience. Visitors can expect average temperatures around 1°C (34°F), with highs reaching up to 12°C (54°F) and lows dipping to -7°C (19°F). The month is characterized by considerable precipitation, averaging 95 mm (3.7 in) over 16 days, contributing to a significant humidity level of 81%. This fluctuating weather creates a unique atmosphere, ideal for exploring the picturesque landscapes and historic charm of Otaru as it begins to bloom into spring.
As March unfolds in Otaru, Japan, the city begins to shake off winter's chill, with temperatures gradually warming. The month starts off with a minimum of -7°C (19°F), but the average climbs to a comfortable 1°C (34°F), signaling the arrival of spring. By the end of the month, residents can expect a pleasant maximum of 12°C (54°F), making it a delightful time to experience the beauty of this coastal gem as the snow melts and the first blooms emerge. This noticeable shift from the cold depths of winter to a milder climate highlights the transition of Otaru into a breathtaking springtime destination.
In March, Otaru experiences a blend of chilly days and gradually increasing temperatures, contributing to a precipitation total of 95 mm (3.7 in) over 16 days. This marks a slight decrease from February's 99 mm, while still maintaining a robust monthly average. The relatively lower number of precipitation days indicates a shift toward drier times as the region transitions into spring. Comparing this with the preceding months, March's rainfall continues the mid-winter trend of consistent precipitation but hints at a gradual easing, paving the way for April's drier conditions with 76 mm forecasted. Overall, March serves as a pivotal month, balancing the remnants of winter moisture with the promise of spring's arrival.
In Otaru, Japan, March marks a transition in humidity levels as the winter months give way to the budding signs of spring. With humidity dropping to 81%, this slight decrease from February's 83% indicates a trend towards more comfortable conditions, as the city prepares for the influx of moisture that will accompany the warmer months. Interestingly, the humidity remains consistent into April, setting the stage for the subsequent rise in May where levels climb back up to 86%. This month's humidity figures suggest a gradual approach to the wetter seasons ahead, reflecting a climate that oscillates between chilly winters and the lush greenery of summer, inviting both visitors and locals to enjoy the changing landscape.
In March, Otaru experiences a noticeable increase in the UV Index, rising to 5, categorized as moderate. This shift indicates that residents and visitors alike should be more mindful of sun exposure, with a burn time of just 30 minutes. As spring unfolds, the UV levels continue to escalate, setting the stage for even higher indexes in the following months, especially notable in April, when it reaches a high of 7. The trend emphasizes the need for sun safety measures as brighter days approach. For more detailed information on UV levels throughout the year, check out Otaru UV Index.
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March ushers in a noticeable increase in sunshine hours in Otaru, Japan, with 242 hours of sunlight illuminating the awakening landscape. This marks a significant leap from the 186 hours recorded in February, signaling the arrival of spring and revitalizing the city with warmth and vibrancy. As the sun continues to shine brighter, April's total of 288 hours follows, setting the stage for a glorious month ahead. The steady climb in daytime brightness not only enhances the natural beauty of Otaru but also uplifts the spirits of its residents, promising longer and sunnier days in the months to come. With sunshine peaking in the summer at 320 hours in July, the transition from winter to summer in Otaru showcases a beautiful rhythm of light and warmth that invites both locals and visitors to revel in its charm.
As winter fades, March in Otaru, Japan, ushers in a noticeable shift towards sunnier days, boasting a 35% chance of sunshine. This marks a significant increase from the gloomy winter months of January and February, where sunlight was more elusive at 26% and 20%, respectively. The trend of increasing sunshine continues into April, which sees the likelihood climb to 41%. This steady progression not only indicates that spring is on the horizon but also offers a delightful preview of the milder, brighter days that follow as the weather warms up. March is, therefore, a hopeful month for those yearning for the sun's embrace after the long winter.
As March arrives in Otaru, Japan, the days grow noticeably longer, with daylight extending to 11 hours. This increase signals the transition from winter's grip, as the city embraces the emerging warmth of spring. Following the gradual rise from 9 hours in January and 10 hours in February, March marks a pivotal moment in the daylight duration trend. As the month progresses, residents can look forward to even brighter days ahead, foreshadowing April's lengthening daylight of 13 hours—a steady climb that underscores the seasonal shift and the anticipation of outdoor activities under the sun.
In Otaru, Japan, the March winds bring a gentle shift, with an average wind speed of 4.1 m/s (9 mph), slightly diminishing from the chillier months of January and February. This pattern indicates a gradual easing of winter's grip, as the winds begin to mellow with the approach of spring. Following March, the breeze continues to soften into April, maintaining an average of 4.2 m/s, before reaching its lowest point in May at 3.7 m/s (8 mph). This seasonal transition showcases a notable trend: as the year progresses, the winds become increasingly subdued, offering a refreshing respite and inviting residents and visitors alike to enjoy the blossoming beauty of Otaru as nature awakens.
Weather in Otaru varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in Otaru, focusing on differences in temperature, rainfall, humidity, and UV levels.
March generally presents milder weather compared to January, with temperatures ranging from a minimum of -7°C (19°F) to a maximum of 12°C (54°F) and an average of 1°C (34°F). In contrast, January is significantly colder, with temperatures dropping as low as -12°C (10°F) and only reaching a maximum of 4°C (40°F), averaging -4°C (25°F). Additionally, while both months experience considerable precipitation, January has slightly less at 87 mm (3.4 in) over 20 days compared to March's 95 mm (3.7 in) across 16 days. Humidity remains relatively high in both months, with March at 81% and January at 84%. For more specific insights on January weather patterns, you can refer to Otaru weather in January.
March weather shows a notable improvement compared to February, with a higher average temperature of 1°C (34°F) compared to February's -3°C (26°F). While both months have similar precipitation levels, March experiences slightly less rain with 95 mm (3.7 in) over 16 days, compared to February's 99 mm (3.9 in) over 22 days. Additionally, March's humidity is slightly lower at 81%, making it feel more comfortable than the 83% recorded in February. For a closer look at how these conditions compare, you can check Otaru weather in February.
March and April showcase a transition in weather patterns as spring takes hold. In March, temperatures range from a chilly minimum of -7°C (19°F) to a maximum of 12°C (54°F), with an average of 1°C (34°F). The month witnesses significant precipitation, totaling 95 mm (3.7 in) over 16 wet days, while humidity remains high at 81%. In contrast, April experiences a noticeable warming trend, with minimum temperatures at -3°C (26°F) and maximums reaching 17°C (63°F), leading to a higher average of 5°C (40°F). Precipitation decreases to 76 mm (3.0 in) over 11 days, but the humidity level stays consistent at 81%. For more detailed information, you can refer to Otaru weather in April.
March and May present markedly different weather patterns in terms of temperature and humidity. In March, temperatures are notably chilly, with a minimum of -7°C (19°F) and an average of just 1°C (34°F), while May sees significantly warmer conditions, boasting a minimum of 3°C (38°F) and an average of 11°C (51°F). March experiences more frequent precipitation over 16 days, totaling 95 mm (3.7 in), compared to May's 90 mm (3.6 in) over just 13 days. Additionally, humidity levels are slightly higher in May at 86%, compared to March's 81%, resulting in a more comfortable atmosphere as spring unfolds. For a detailed look at the weather in Otaru during May, check out Otaru weather in May.
In March, temperatures are still quite chilly, with minimums dipping as low as -7°C (19°F) and an average of only 1°C (34°F). The month experiences significant precipitation, totaling 95 mm (3.7 in) across 16 days, coupled with a humidity level of 81%. In contrast, June brings much milder weather, with temperatures ranging from a comfortable minimum of 6°C (44°F) to a pleasant maximum of 24°C (75°F) and an average of 14°C (58°F). Although June sees slightly higher precipitation at 112 mm (4.4 in) over 12 days, the humidity rises to 87%, contributing to a more humid feel. For further insights into what to expect, check out Otaru weather in June.
March and July present a striking contrast in weather conditions. In March, temperatures hover between a chilly minimum of -7°C (19°F) and a mild maximum of 12°C (54°F), with an average temperature of around 1°C (34°F). The month experiences significant precipitation, totaling 95 mm (3.7 in) over 16 days, accompanied by a humidity level of 81%. Conversely, July brings a much warmer climate, with temperatures ranging from a minimum of 9°C (49°F) to a maximum of 28°C (82°F) and an average temperature of 20°C (68°F). Precipitation slightly increases to 101 mm (4.0 in) over 12 days, but the humidity rises to 93%, creating a more muggy atmosphere. For further details, you can explore Otaru weather in July.
In March, temperatures in Otaru are quite chilly, with a minimum of -7°C (19°F) and an average around 1°C (34°F), peaking at 12°C (54°F). The humidity is moderate at 81%, accompanied by a total precipitation of 95 mm (3.7 in) over 16 days. In contrast, August brings much warmer conditions, featuring a minimum temperature of 14°C (58°F) and an average of 21°C (70°F), reaching up to 29°C (85°F). The humidity rises to 95%, and although there are fewer rainy days at 14, the total precipitation increases to 169 mm (6.7 in). For more details on the August weather, you can check Otaru weather in August.
March and September present quite contrasting weather conditions. In March, temperatures range from a chilly -7°C (19°F) at night to a mild 12°C (54°F) during the day, with an average of around 1°C (34°F). This month sees frequent precipitation, totaling 95 mm (3.7 in) over approximately 16 days, along with high humidity levels of 81%. In stark contrast, September enjoys much warmer temperatures, with nighttime lows around 10°C (50°F) and daytime highs reaching 26°C (80°F), averaging 18°C (65°F). Although September experiences slightly more precipitation at 117 mm (4.6 in), it occurs over fewer days—only 14—combined with an increased humidity of 88%. For more detailed insights, check Otaru weather in September.
Comparing March and October weather reveals notable differences in temperature and precipitation patterns. In March, temperatures range from a chilly -7°C (19°F) at their lowest to a mild 12°C (54°F) at the highest, with an average of around 1°C (34°F). This month experiences approximately 95 mm (3.7 in) of precipitation spread over 16 days, accompanied by a relatively high humidity of 81%.
In contrast, October brings milder conditions, with temperatures ranging from a minimum of 4°C (39°F) to a comfortable maximum of 22°C (71°F) and an average of 12°C (54°F). This month sees increased precipitation, totaling around 152 mm (6.0 in) over 17 days, with humidity slightly higher at 83%. For more detailed information, check out Otaru weather in October.
March and November present distinct weather patterns, highlighting the transition between winter and the cusp of winter. In March, temperatures range from a chilly -7°C (19°F) to a mild 12°C (54°F) with an average of around 1°C (34°F). The month experiences frequent precipitation, measuring 95 mm (3.7 in) over approximately 16 days, while humidity remains high at 81%. In contrast, November boasts slightly warmer temperatures, with a minimum of -5°C (23°F) and a maximum of 15°C (59°F), averaging 5°C (42°F). This month also sees increased precipitation, totaling 167 mm (6.6 in) across about 22 days, with humidity slightly lower at 79%. For more detailed information, you can visit Otaru weather in November.
March and December present contrasting weather patterns. In March, temperatures range from a minimum of -7°C (19°F) to a maximum of 12°C (54°F), with an average of 1°C (34°F). The month experiences approximately 95 mm (3.7 in) of precipitation over 16 days, with humidity levels around 81%. In contrast, December is colder, with temperatures dipping as low as -10°C (15°F) and averaging -2°C (29°F). It sees a higher amount of precipitation at 147 mm (5.8 in) across 27 days, with humidity slightly lower at 80%. For more details on the winter weather, check out Otaru weather in December.
As March unfolds in Otaru, it marks a distinct transition from the grip of winter, bringing a hint of warmth that begins to thaw the landscape. With an average temperature that climbs above freezing, the chill of the past months gives way to milder days, though cold snaps can still send temperatures plummeting to sub-zero lows. The 82% humidity level, combined with approximately 16 rainy days, creates a brisk atmosphere, making this month feel quite different from both the bitter winter and the gentle spring to come. As nature slowly awakens, March is a time of change, setting the stage for the warmer days ahead. For more insights into Otaru's climate throughout the year, visit Otaru Climate.