Last updated: August 21, 2025
In March, Oshima, Japan experiences a shift towards spring, characterized by a maximum temperature reaching 19°C (66°F) and an average of 13°C (55°F). Nights can still be cool, with minimum temperatures dipping to 5°C (42°F). The island sees considerable precipitation, totaling 201 mm (7.9 in) across 14 days, contributing to a relatively high humidity level of 70%. Visitors should prepare for a mix of mild temperatures and occasional rain as the landscape begins to bloom.
In March, Oshima, Japan begins to shake off the winter chill, with temperatures gradually warming as spring approaches. The month starts with a minimum of 5°C (42°F), hinting at the last vestiges of cold, while the average temperature rises to 13°C (55°F), providing a pleasant backdrop for outdoor activities. The maximum remains steady at 19°C (66°F), mirroring February's highs and suggesting a gradual transition into the milder days ahead. As the landscape awakens with budding flora, March is a lovely precursor to the more vibrant temperatures of April, fostering an inviting atmosphere for visitors and locals alike to embrace the beauty of Oshima's spring.
In March, Oshima experiences a significant uptick in precipitation, totaling 201 mm (7.9 in), making it one of the wettest months of the year. This increase is accompanied by 14 rainy days, suggesting a shift into a pattern of more frequent and intense rainfall as the region transitions into spring. Comparatively, both January and February are considerably drier, with February’s 89 mm (3.5 in) over just 11 days. This trend indicates a buildup in moisture leading into the warmer months, setting the stage for the even higher precipitation levels seen in April and May. As Oshima braces for spring, the rainfall not only rejuvenates the landscapes but also signals the onset of a more dynamic climate period, characterized by increased rainfall and seasonal transitions.
In March, Oshima, Japan experiences a noticeable dip in humidity, with levels sitting at 70%. This figure marks a decline from the humid conditions of January and February, where humidity averaged 76% and 74%, respectively. As the season shifts into spring, the air begins to feel lighter, hinting at the warmer months ahead. However, this brief respite in humidity is soon followed by a return to moister conditions, as humidity levels rise again in April to 74%, and continue to escalate dramatically through the summer, peaking at a staggering 93% in July. This trend illustrates the region's transition from relatively comfortable spring days to the intensely humid summer climate that characterizes Oshima.
As spring approaches in Oshima, Japan, the UV Index experiences a significant leap, jumping to 8 in March, categorizing sun exposure as very high with a burn time of just 15 minutes. This marks a noteworthy shift from the previous months—January and February saw moderate UV levels at indexes of 4 and 5, respectively. As the days grow longer and sunnier, precautions against sun damage become increasingly crucial. This trend continues into April, where the UV Index rises to 10, further emphasizing the need for effective sun protection. For a detailed look at UV levels throughout the year, check out Oshima UV Index.
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With the arrival of March, Oshima, Japan experiences a delightful increase in sunshine, basking in 260 hours of radiant daylight. This surge marks a significant rise from February's 228 hours, setting the trend for longer and brighter days as spring approaches. The gradual ascent doesn't end here, as April boasts an even more glorious 276 hours, followed by May's peak of 293 hours. This steady progression underscores a captivating transformation that captivates both nature and residents alike, as Oshima emerges from the winter months into a vibrant, sunlit landscape, promising warmth and growth in the ensuing weeks.
In Oshima, Japan, March experiences a notable dip in sunshine likelihood, with only a 44% chance of sunny weather. This marks a shift from the steady increase in sunshine chances seen in January and February, where hopes for clearer skies were stronger at 54% and 63%, respectively. As spring approaches, expectations for sun remain somewhat tempered, contrasting with April’s slight recovery to 49%. Overall, while March offers glimpses of sunlight, it signals a transitional phase toward the brighter days of spring, where conditions are ever-variable.
In March, Oshima experiences a delightful increase in daylight, with the hours extending to 11 hours compared to the 10 hours seen in the previous two months. This gradual shift marks the transition into spring, bringing a refreshing sense of renewal and longer evenings. As the days continue to lengthen through the months, by April, daylight hours leap to 13, and peak at 14 hours in June and July. This trend of increasing daylight not only enhances outdoor activities but also uplifts spirits as the region shakes off the winter chill. Following the summer months, a gradual decline begins, with daylight diminishing back to 10 hours by November, signaling the cyclical rhythm of nature in Oshima.
In Oshima, Japan, the winds of March whisper a soft breeze, with an average speed of 7.0 m/s (16 mph), marking a notable decline from the brisk gusts of winter. As the island transitions from the colder months, February's winds peak at 9.4 m/s (21 mph), and steadily decrease into spring. This gentle shift continues into April and May, where wind speeds hover around 7.2 m/s and 7.3 m/s respectively, suggesting a calming trend as the landscape awakens. While summer brings even softer breezes, the bluster of March serves as a transition, easing Oshima into a warmer season filled with vibrant life and fresh beginnings.
Weather in Oshima varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in Oshima, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather conditions of March and January, March generally presents milder temperatures, with a minimum of 5°C (42°F) and an average of 13°C (55°F), compared to January's lower minimum of 2°C (36°F) and average of 10°C (50°F). While both months experience some precipitation, March sees significantly more, with 201 mm (7.9 in) over 14 days, contrasting with January's 91 mm (3.6 in) across 9 days. Additionally, March's humidity level at 70% is slightly lower than January's 76%. For a detailed look at January's weather specifics, you can refer to Oshima weather in January.
In February, temperatures ranged from a min of 4°C (39°F) to a max of 19°C (66°F), with an average temperature of 10°C (50°F). The month experienced 89 mm (3.5 in) of precipitation over 11 days, coupled with a higher humidity level of 74%. In contrast, March sees a slight increase in temperatures, with a minimum of 5°C (42°F) and an average of 13°C (55°F), while still reaching a maximum of 19°C (66°F). However, March is significantly wetter, accumulating 201 mm (7.9 in) of precipitation across 14 days and a humidity level of 70%. For more detailed information, you can check Oshima weather in February.
March and April showcase a transition in weather patterns, with April displaying warmer temperatures and slightly reduced precipitation. In March, the minimum temperature hovers around 5°C (42°F) with an average of 13°C (55°F) peaking at 19°C (66°F). In contrast, April sees a minimum of 7°C (46°F) and an average temperature of 15°C (59°F), reaching a maximum of 21°C (71°F). While March experiences heavier rainfall at 201 mm (7.9 in) over 14 days, April sees a decrease to 157 mm (6.2 in) across 12 days. Additionally, humidity remains relatively high in both months, with April slightly higher at 74%. For more specific details about weather in April, you can visit Oshima weather in April.
March and May present distinctly different weather patterns. In March, temperatures typically range from a cool 5°C (42°F) at night to a mild 19°C (66°F) during the day, with an average of 13°C (55°F). This month sees substantial rainfall, accumulating to about 201 mm (7.9 in) over 14 days, and the humidity levels hover around 70%. In contrast, May enjoys warmer temperatures, with nighttime lows of 13°C (56°F) and highs reaching 23°C (73°F), averaging 19°C (66°F). Precipitation is slightly lower at 198 mm (7.8 in) over 11 days, and humidity rises to 81%, making it feel even more sultry. For a more detailed look at May weather, you can visit Oshima weather in May.
March and June exhibit distinctly different weather patterns. In March, temperatures range from a chilly minimum of 5°C (42°F) to a mild maximum of 19°C (66°F), with an average of 13°C (55°F). The month sees significant precipitation, totaling 201 mm (7.9 in) over approximately 14 days, and humidity levels are around 70%. In contrast, June brings warmer temperatures, with a minimum of 17°C (63°F) and a maximum of 25°C (78°F), leading to an average of 22°C (71°F). However, it is also wetter, with precipitation increasing to 277 mm (10.9 in) over 14 days and higher humidity at 88%. For a more detailed look at June weather, you can visit Oshima weather in June.
March and July present contrasting weather patterns, reflecting the transition from early spring to midsummer. In March, temperatures range from a minimum of 5°C (42°F) to a maximum of 19°C (66°F), with an average of 13°C (55°F). The month experiences significant rainfall, totaling 201 mm (7.9 in) over 14 days, accompanied by a moderate humidity level of 70%. In stark contrast, July boasts much warmer temperatures, with a minimum of 20°C (69°F) and a maximum reaching 29°C (85°F), averaging 25°C (77°F). Although July receives more precipitation at 301 mm (11.9 in) over 15 days, the humidity soars to a high of 93%. For more insights on July weather in this region, check out Oshima weather in July.
March and August present contrasting weather patterns, highlighting the transition from early spring to late summer. In March, temperatures range from a minimum of 5°C (42°F) to a maximum of 19°C (66°F), with an average of 13°C (55°F). This month also sees significant precipitation, totaling 201 mm (7.9 in) over 14 days, accompanied by a humidity level of 70%. In comparison, August boasts much warmer temperatures, with a minimum of 22°C (72°F) and soaring to a maximum of 29°C (85°F), resulting in an average of 27°C (80°F). While August experiences slightly less precipitation at 155 mm (6.1 in) over 13 days, the humidity rises to 90%, making the air feel even more sultry. For a closer look at August weather in a specific location, visit Oshima weather in August.
March and September exhibit contrasting weather patterns. In March, temperatures range from a chilly minimum of 5°C (42°F) to a comfortable maximum of 19°C (66°F), with an average of 13°C (55°F). The month is quite wet, totaling 201 mm (7.9 in) of precipitation spread over 14 days, accompanied by a humidity level of 70%. In contrast, September boasts warmer temperatures, with a minimum of 19°C (67°F) and a maximum reaching up to 29°C (84°F), averaging 25°C (76°F). Precipitation increases to 249 mm (9.8 in) over 19 days, and humidity rises further to 86%, making for a notably humid atmosphere. For more on what to expect, check out Oshima weather in September.
March and October present quite contrasting weather conditions. In March, temperatures typically range from a chilly minimum of 5°C (42°F) to a mild average of 13°C (55°F), peaking at around 19°C (66°F). This month sees significant precipitation, with about 201 mm (7.9 in) falling over 14 days, and humidity levels reaching 70%. In contrast, October boasts warmer temperatures, with a minimum of 15°C (59°F) and an average of 21°C (70°F), climbing to a maximum of 27°C (80°F). However, October is also wetter, experiencing 339 mm (13.4 in) of rainfall over 18 days and higher humidity at 83%. For more specific insights into October weather, you can check Oshima weather in October.
March and November exhibit notable differences in weather patterns. March generally sees cooler temperatures with a minimum of 5°C (42°F) and an average of 13°C (55°F), while November boasts milder weather, starting at a minimum of 8°C (47°F) and averaging 17°C (63°F). In terms of precipitation, March is wetter, receiving 201 mm (7.9 in) over 14 days, compared to November's 152 mm (6.0 in) over 15 days. Additionally, November tends to have higher humidity levels at 80%, compared to March's 70%. For a more detailed look at temperatures and conditions in November, visit Oshima weather in November.
In comparing the weather conditions of March and December, we find that both months experience a similar minimum temperature of around 5°C (42°F). However, March generally has a higher average temperature of 13°C (55°F) compared to December’s average of 12°C (54°F). Notably, December can peak at a maximum temperature of 21°C (71°F), slightly warmer than March's maximum of 19°C (66°F). Precipitation levels also differ significantly; March is much wetter with 201 mm (7.9 in) over 14 days, while December sees only 95 mm (3.7 in) across 12 days. The humidity is higher in December at 78%, compared to 70% in March. For more specific insights into December weather conditions, you can refer to Oshima weather in December.
March in Oshima marks a significant transition from the chill of winter to the budding warmth of spring. With an average temperature of 13°C, this month feels notably milder compared to the preceding colder months, enticing nature to awaken. Though it experiences moderate rainfall, accumulating around 201 mm over 14 days, the humidity level remains steady at 70%, adding a fresh vibrancy to the air. This blend of comfortable temperatures and occasional showers creates an atmosphere perfect for outdoor exploration and appreciating the early blossoms. For more insights into Oshima's overall weather patterns, visit Oshima Climate.