Last updated: August 21, 2025
April in Oshima, Japan offers a refreshing blend of springtime weather, characterized by a maximum temperature of 21°C (71°F) and an average temperature of 15°C (59°F), making it a pleasant time to explore the island. The month experiences a minimum temperature dropping to 7°C (46°F), ideal for sweater weather. However, be prepared for some rain, as 157 mm (6.2 in) of precipitation falls over 12 days, contributing to the lush surroundings. With a humidity level at 74%, the air carries a vibrant freshness, enhancing the beauty of blooming flowers and green landscapes. Embrace the enchanting atmosphere of Oshima this April!
In April, Oshima, Japan, begins to showcase the promise of spring, with temperatures gradually warming up. The month kicks off with a minimum of 7°C (46°F) and peaks at 21°C (71°F), creating a comfortable average of 15°C (59°F). This represents a delightful transition from the cooler early months of the year, where temperatures hovered around the 10°C (50°F) mark in January and February. As nature awakens, visitors can expect increasingly pleasant weather, perfect for enjoying blossoming cherry trees and outdoor activities. The steady rise in temperatures indicates that spring is firmly settling in, leading seamlessly into the warmer days of May.
April in Oshima, Japan, sees a significant dip in precipitation compared to the preceding month, with 157 mm (6.2 in) falling over 12 days. This marks a lighter rainfall compared to March's 201 mm (7.9 in), yet it remains notably wet. As spring fully settles in, the island experiences a blend of brisk rains and emerging blossoms, setting the stage for the wetter months ahead. The precipitation pattern suggests a gradual increase leading into May and June, where rainfall spikes to 198 mm (7.8 in) and 277 mm (10.9 in), respectively, inviting an environment ripe for growth. This transition illustrates Oshima's unique climate rhythm, gracefully shifting from the rainy peaks of winter into the vibrant, lush greenery of late spring.
In April, Oshima, Japan experiences a noticeable shift in humidity as it settles at 74%, marking a slight increase from March's 70%. This trend of rising humidity leads into the warmer months, setting the stage for a dramatic climb in moisture levels. Following April, May sees humidity spike to 81%, with summer months bringing even higher percentages, peaking at 93% in July. Overall, Oshima’s humidity pattern reveals a gradual ascent from the cooler winter months, indicating a transitional phase as the region prepares for the more humid summer season.
April marks a notable shift in Oshima, Japan, as the UV Index surges to 10, categorizing it in the very high exposure range, with a burn time of just 15 minutes. This trend towards increased UV radiation continues from March's already high level of 8, highlighting the approaching summer months when UV intensity peaks. As the days grow longer and sunnier, it's essential for residents and visitors alike to take proper sun safety precautions. This increase in UV exposure is a precursor to May's extreme level of 11, indicating that skin protection is critical. For more detailed insights on UV levels throughout the year, explore Oshima UV Index.
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April bathes Oshima, Japan, in a bright glow, boasting 276 hours of sunshine, a delightful peak that follows the steady increase from January's chilly 189 hours. As winter yields to spring, the days gradually lengthen, with February and March showing significant growth at 228 and 260 hours, respectively. This trend continues into May, where sunshine reaches an invigorating 293 hours, suggesting that Oshima's vibrant landscapes are about to burst into life. The sunny streak sustains its charm through the summer months, with July maintaining 273 hours and August peaking at an impressive 313 hours. As autumn approaches, the sunshine modestly recedes, yet Oshima remains bathed in a warm glow well into November. This gradual variation of sunshine not only highlights the enchanting rhythm of the seasons but also sets the stage for Oshima’s blossoming beauty.
In April, Oshima, Japan experiences a 49% chance of sunny weather, making it a moderately bright month compared to its neighboring months. Following a decline from 63% in February and 54% in January, April's sunshine probability dips further before plummeting to 27% by May. This trend highlights a transition from the cooler early months towards the wet season, as June and July see even lower chances at 25% and 39% respectively. Interestingly, April is still brighter than the mid-summer months, suggesting that while sunshine may be less frequent, there's a charming balance of mild weather that invites outdoor exploration before the intense heat of summer sets in.
As spring unfolds in Oshima, Japan, April marks a delightful increase in daylight, boasting a generous 13 hours of sun. This surge from 11 hours in March is a clear indication of the shifting seasons, where nature awakens and blossoms under the extended sunlight. The trend continues into May, maintaining that same delightful 13-hour stretch, before the summer months ramp up the brightness even further with 14 hours from June through July. As the year progresses, daylight gradually decreases, transitioning back to shorter days in autumn and winter. This rhythmic pattern not only heralds the warmth of summer but also invites a vibrant life that accompanies longer days, making Oshima a beautiful place to experience the changing seasons.
As April unfolds in Oshima, Japan, the average wind speed begins to stabilize at 7.2 m/s (16 mph), a slight uptick from March’s winds. This shift signifies a transition into spring, where breezes tend to be gentle but refreshing, perfect for outdoor adventures and blooms of new life. May continues this trend with a marginal increase to 7.3 m/s (16 mph), reinforcing the pattern of mild winds that characterize the early season. In contrast to the stronger gusts felt in winter months, which peak at 9.4 m/s (21 mph) in February, the April air offers a softer touch, inviting residents and visitors alike to relish in the warmth and beauty of springtime in Oshima. As the year progresses, the winds gradually diminish, hinting at the tranquil summer days ahead.
Weather in Oshima varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Oshima, focusing on differences in temperature, rainfall, humidity, and UV levels.
April weather is generally milder and wetter compared to January. While January features a minimum temperature of 2°C (36°F) and an average of 10°C (50°F), April sees temperatures rise significantly, with a minimum of 7°C (46°F) and an average of 15°C (59°F). Additionally, April experiences more precipitation, with 157 mm (6.2 in) over approximately 12 days, compared to January's 91 mm (3.6 in) spread over 9 days. Although both months have similar humidity levels, January's slightly higher humidity at 76% can make the cooler temperatures feel quite brisk. For a deeper dive into January weather conditions in a related area, you can explore Oshima weather in January.
In comparing the weather between April and February, April generally offers warmer temperatures, with a minimum of 7°C (46°F) compared to February's 4°C (39°F). The average temperature in April rises to 15°C (59°F), significantly higher than February's average of 10°C (50°F). While February sees maximum temperatures reaching 19°C (66°F), April comfortably surpasses this with a high of 21°C (71°F). Precipitation is more frequent in April, totaling 157 mm (6.2 in) over 12 days, compared to February's 89 mm (3.5 in) over 11 days. Both months share a humidity level of 74%, creating a consistently damp atmosphere. For more detailed insights, you can explore Oshima weather in February.
April generally exhibits milder and warmer weather compared to March, with average temperatures rising from 13°C (55°F) in March to 15°C (59°F) in April. The maximum temperature also sees an increase, climbing from 19°C (66°F) in March to 21°C (71°F) in April. Despite this warming trend, April experiences slightly less precipitation, totaling 157 mm (6.2 inches) over 12 days, compared to March's 201 mm (7.9 inches) across 14 days. Additionally, humidity levels in April rise to an average of 74%, compared to 70% in March. For more detailed weather conditions, you can check Oshima weather in March.
In comparing the weather of April and May, it is clear that May tends to be warmer and more humid. April experiences a minimum temperature of 7°C (46°F) and an average of 15°C (59°F), while May starts at a higher minimum of 13°C (56°F) and averages 19°C (66°F). Both months see a fair amount of precipitation, but May has slightly more, totaling 198 mm (7.8 in) over 11 rainy days compared to April's 157 mm (6.2 in) over 12 days. Additionally, the humidity increases from 74% in April to 81% in May, contributing to a more muggy atmosphere. For those interested in the specific weather during this latter month, detailed information can be found here: Oshima weather in May.
April ushers in spring with milder temperatures, averaging 15°C (59°F) and ranging from a minimum of 7°C (46°F) to a maximum of 21°C (71°F). During this month, it experiences a fair amount of rainfall, totaling 157 mm (6.2 in) over about 12 days, and the humidity stands at 74%. In contrast, June marks the beginning of summer, characterized by warmer temperatures, with an average of 22°C (71°F) and a range from a minimum of 17°C (63°F) to a maximum of 25°C (78°F). This month is notably wetter, receiving 277 mm (10.9 in) of precipitation across 14 days and a higher humidity level of 88%. For more details on June weather, you can check Oshima weather in June.
April and July present contrasting weather patterns. In April, temperatures range from a cool 7°C (46°F) at night to a comfortable 21°C (71°F) during the day, with an average of 15°C (59°F). The month experiences considerable precipitation, totaling 157 mm (6.2 in) over 12 days, accompanied by a humidity level of 74%. In stark contrast, July sees a significant rise in temperatures, with minimums of 20°C (69°F) and maximums reaching 29°C (85°F), averaging 25°C (77°F). However, July is also much wetter, as it receives 301 mm (11.9 in) of rainfall over 15 days and has a higher humidity level of 93%. For more details on this season, check out Oshima weather in July.
April and August present distinctly different weather patterns. In April, temperatures are milder, averaging around 15°C (59°F) with daytime highs reaching 21°C (71°F) and lows dipping to 7°C (46°F). This month experiences considerable precipitation, with 157 mm (6.2 in) falling over approximately 12 days, and humidity levels averaging 74%. Conversely, August is much warmer, with average temperatures soaring to 27°C (80°F) and highs nearing 29°C (85°F), while the minimum temperature remains at a comfortable 22°C (72°F). Although the precipitation levels are slightly lower at 155 mm (6.1 in), it is spread over 13 days, and the humidity rises significantly to 90%. For more detailed information, you can visit Oshima weather in August.
April and September offer distinctly different weather experiences. In April, temperatures range from a cool minimum of 7°C (46°F) to a pleasant maximum of 21°C (71°F), with an average of 15°C (59°F). The month sees about 157 mm (6.2 in) of precipitation over 12 days, accompanied by a humidity level of 74%. In contrast, September is warmer, with temperatures ranging from a minimum of 19°C (67°F) to a maximum of 29°C (84°F), averaging around 25°C (76°F). However, it is also wetter, receiving approximately 249 mm (9.8 in) of rain over 19 days and experiencing higher humidity at 86%. For more detailed insights, you can check Oshima weather in September.
April and October present distinct weather patterns, showcasing a transition from spring to autumn. In April, temperatures range from a minimum of 7°C (46°F) to an average of 15°C (59°F) and reach a maximum of 21°C (71°F), accompanied by 157 mm (6.2 in) of precipitation over 12 days and a humidity level of 74%. In contrast, October experiences warmer temperatures, with a minimum of 15°C (59°F), an average of 21°C (70°F), and a high of 27°C (80°F). However, it also sees increased rainfall, totaling 339 mm (13.4 in) across 18 days and a higher humidity of 83%. For more details on October weather, you can check Oshima weather in October.
April and November exhibit similar weather patterns, yet with some distinct differences. In April, temperatures range from a minimum of 7°C (46°F) to a maximum of 21°C (71°F), culminating in an average of 15°C (59°F). The month also sees an average precipitation of 157 mm (6.2 in) over about 12 days, contributing to a humidity level of 74%. In contrast, November experiences slightly milder temperatures, with a minimum of 8°C (47°F) and a maximum of 23°C (73°F), yielding an average temperature of 17°C (63°F). Precipitation is slightly less at 152 mm (6.0 in) but occurs over a longer period of approximately 15 days, resulting in a higher humidity level of 80%. For more details on the weather conditions during this month, you can check out Oshima weather in November.
April and December exhibit distinct weather patterns, each offering unique climatic conditions. In April, temperatures range from a minimum of 7°C (46°F) to a pleasant maximum of 21°C (71°F), with an average of 15°C (59°F). This month receives significant rainfall, totaling 157 mm (6.2 in) over approximately 12 days, along with a humidity level of 74%. In contrast, December experiences slightly cooler temperatures, with a minimum of 5°C (41°F) and an average high of 21°C (71°F), but a lower average of 12°C (55°F). Precipitation in December is also reduced, with 95 mm (3.7 in) spread over the same number of days, and a slightly higher humidity of 78%. For a closer look at December's weather conditions, you can check out Oshima weather in December.
As April unfolds on Oshima, it brings a refreshing change that sets it apart from the preceding months. The mild temperatures make for pleasant days, with a mix of sunny spells and refreshing breezes. While this month sees more rainfall compared to the drier winter months, the vibrant greenery it nurtures adds a beautiful touch to the landscape. With humidity levels hovering around 74%, the air feels invigorating rather than oppressive. These conditions are perfect for enjoying outdoor activities and exploring the island's natural beauty. For more detailed insights into Oshima's weather patterns, check out Oshima Climate.