Last updated: August 21, 2025
In Oshu, Japan, May brings a delightful blend of warmth and occasional showers, making it a captivating time of the year. With maximum temperatures soaring to 30°C (87°F), the days can feel quite warm, while the average temperature rests comfortably at 14°C (58°F), offering pleasant evenings. However, nature often graces the region with 114 mm (4.5 in) of rain across 13 days, contributing to an impressive humidity level of 80%. This combination of warmth and moisture creates an invigorating atmosphere, perfect for enjoying the lush landscapes that bloom during this vibrant month.
In May, Oshu, Japan, experiences a vibrant transition as spring reaches its peak, inviting warmer temperatures and a refreshing atmosphere. With a minimum of 3°C (38°F) and an average of 14°C (58°F), the days grow steadily warmer, culminating in maximum temperatures that can soar to 30°C (87°F). This shift marks a stark contrast to the preceding winter months, where temperatures hovered well below freezing. As nature awakens, the increasing warmth encourages outdoor activities and showcases the region's stunning landscapes, making May a delightful time to explore Oshu's rich cultural heritage while basking in the pleasant weather. The gradual climb in temperature not only enhances the beauty of blooming flowers but also signals the oncoming summer, setting a cheerful tone for the months ahead.
May in Oshu, Japan, brings a gentle blend of moisture, with precipitation totaling 114 mm (4.5 in) over 13 rainy days. This amount showcases a slight dip compared to the heavier rainfall seen in April, which recorded 119 mm (4.7 in). As spring transitions into summer, rainfall begins to increase gradually in June, hinting at the wetter months ahead. These patterns reveal a progressive build-up of moisture, paving the way for the lush greenery that characterizes Oshu’s landscapes during the warmer months. While May may not be the wettest month, it certainly plays a vital role in nurturing the region's natural beauty, making it a month of tranquil rainfall and fresh blooms.
In Oshu, Japan, May marks a return to a humidity level of 80%, consistent with the climate seen at the start of the year. As spring evolves, you can observe a gradual decline in humidity from January's 80% down to April's 75%, creating a more comfortable atmosphere as temperatures rise. However, just like the blooming flowers, humidity levels bounce back in May, setting the stage for the impending summer months. Following May, a significant increase is expected, with humidity surging to 87% in June and peaking at 92% during July and August. This cyclical pattern highlights the transitional nature of Oshu's climate, where the mildness of spring gives way to the lush, humid summer.
In May, Oshu experiences notable increases in UV radiation, with the UV Index peaking at 9, placing it firmly in the very high exposure category. This translates to a quick burn time of just 15 minutes, urging residents and visitors alike to take precautionary measures against sun exposure. As spring blossoms transition into the approaching summer months, the UV Index intensifies from the previous month’s 8 in April, signaling a trend of increasing sun intensity that continues into June, where it reaches its maximum. It's critical to stay informed about these changes to protect your skin. For more details, check the Oshu UV Index.
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In Oshu, Japan, the radiance of May reaches its peak with an impressive 290 sunshine hours, making it the sunniest month of the year. This vibrant uptick sets the stage for a delightful spring, following a steady increase from 263 hours in April. As the seasons shift, sunlight gradually diminishes in the following months, highlighting a gradual decline through June and July where hours drop to 271 and 251 respectively. The trend reveals a beautiful crescendo in May, perfect for outdoor activities, before transitioning into the softer, yet still pleasant, summer days ahead. This pattern of increasing sunshine in the spring captivates both locals and visitors, inviting everyone to bask in the warmth of the May sun.
In Oshu, Japan, May heralds a notable dip in sunny days, with only a 25% chance of sunshine—a decline that sets the stage for the wetter months ahead. This is a stark contrast to the consistently higher probabilities seen in the early spring, where April boasts 42% and March sits at 32%. As summer approaches, the likelihood of sunny weather continues to diminish, hitting the low 20s% in both July and August. These trends suggest that while early spring may offer mild and sunny opportunities, May transitions Oshu into a more unpredictable climate, making it wise to plan for occasional rain amidst the fresh blooms of spring.
In Oshu, Japan, the transition from winter to summer is beautifully marked by an increase in daylight hours. Starting with a modest 9 hours in January, the days gradually lengthen, reaching 10 hours in February and stretching to 11 hours by March. As spring unfolds, April brings a delightful leap to 13 hours, paving the way for May, which enjoys an impressive 14 hours of daylight. This peak continues into June and July, offering abundant sunshine during the summer months, before tapering off slightly in August to 13 hours. The autumn months see a gentle decline, with daylight hours falling back to 12 hours in September and gradually decreasing to 9 hours again by December. This rhythmic cycle of daylight not only enhances the beauty of Oshu's landscape but also invigorates the spirit of its residents as they revel in the longer days of spring and summer.
In Oshu, Japan, the wind patterns in May reflect a continuation of the spring's gentle breezes, with an average wind speed of 2.8 m/s (6 mph). This is consistent with both January and April, which also see similar velocities, indicating a stable yet mild atmospheric condition as the region transitions into the warmer months. As the year progresses towards summer, a noticeable decline in wind speed is observed, dropping to 1.8 m/s (4 mph) by July. Interestingly, despite the overall decrease in wind intensity, May stands out as part of a transitional period where the winds begin to shift, hinting at the calm before the summer heat. This pattern can encourage outdoor activities, making May a delightful time for both locals and visitors to enjoy the charm of Oshu in its springtime splendor.
Weather in Oshu varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Oshu, focusing on differences in temperature, rainfall, humidity, and UV levels.
The weather in May is characterized by significantly milder temperatures, with averages reaching 14°C (58°F) and highs peaking at 30°C (87°F), introducing a warm and pleasant atmosphere. In contrast, January experiences harsh winter conditions, with average temperatures around -2°C (30°F) and lows plunging to -22°C (-8°F), making it a stark contrast to the warmth of May. While both months exhibit a similar level of humidity at 80%, January has lower precipitation at 56 mm (2.2 in) across 12 days compared to May's 114 mm (4.5 in) over 13 days. For more detailed insights into January's cold climate, you can visit Oshu weather in January.
When comparing the weather in May and February, it's clear that May offers significantly milder temperatures, ranging from a minimum of 3°C (38°F) to a maximum of 30°C (87°F), with an average of 14°C (58°F). In contrast, February experiences much colder conditions, with temperatures ranging from a minimum of -18°C (0°F) to a maximum of 11°C (52°F), averaging -1°C (31°F). Additionally, May sees higher precipitation levels at 114 mm (4.5 in) over 13 days, while February has 69 mm (2.7 in) of precipitation over 14 days. Both months have similar humidity levels, hovering around 80% in May and 79% in February. For more information, you can check out Oshu weather in February.
When comparing the weather in May and March, it's clear that May experiences notably warmer temperatures, with an average of 14°C (58°F), peaking at 30°C (87°F), compared to March's average of 4°C (39°F) and maximum of 20°C (68°F). March is characterized by colder conditions, including minimum temperatures plunging to -12°C (11°F), while May sees a milder minimum of 3°C (38°F). Precipitation levels are relatively similar, with May receiving 114 mm (4.5 in) over 13 days and March having 106 mm (4.2 in) over 14 days. Additionally, the humidity in May is slightly higher at 80% compared to March’s 77%. For more details, you can check Oshu weather in March.
In comparing the weather of April and May, it is evident that May tends to be warmer and more humid. The average temperature in May is 14°C (58°F) compared to April's cooler average of 8°C (47°F), with May also experiencing a higher maximum temperature of 30°C (87°F) versus April's 25°C (77°F). Precipitation is slightly lower in May, with 114 mm (4.5 in) over 13 days, compared to April's 119 mm (4.7 in) over 15 days. Additionally, May has a higher humidity level at 80%, while April maintains a more moderate 75%. For more insights, you can explore Oshu weather in April.
May weather is characterized by a wide temperature range, with minimums dipping to 3°C (38°F) and maximums reaching up to 30°C (87°F), resulting in an average temperature of 14°C (58°F). During this month, there are frequent rain events, accumulating to 114 mm (4.5 in) over 13 days, and humidity levels hover around 80%. In contrast, June sees a slight increase in temperatures, with minimums of 7°C (44°F) and an average of 18°C (65°F), while still peaking at 30°C (87°F). Precipitation in June is slightly higher, totaling 129 mm (5.1 in) across 14 days, and humidity rises to 87%. For more details on the weather during this month, you can check Oshu weather in June.
May and July exhibit distinct differences in weather patterns. In May, the temperatures range from a chilly minimum of 3°C (38°F) to a pleasant max of 30°C (87°F), with an average of 14°C (58°F). However, May experiences considerable precipitation, totaling 114 mm (4.5 in) over 13 days, contributing to a high humidity level of 80%.
In contrast, July brings warmer conditions with a minimum temperature of 14°C (57°F), averaging 22°C (72°F) and peaking at 33°C (92°F). The month sees increased rainfall, with 182 mm (7.2 in) over 17 days, and a higher humidity rate of 92%. For more detailed insights on the July weather, you can refer to this link: Oshu weather in July.
In May, temperatures range from a chilly minimum of 3°C (38°F) to a warm maximum of 30°C (87°F), with an average of 14°C (58°F). The month experiences significant rainfall, totaling 114 mm (4.5 in) over approximately 13 days, and humidity levels hover around 80%. In contrast, August brings warmer conditions, with minimum temperatures of 10°C (51°F) and maximums reaching 34°C (94°F), resulting in an average of 23°C (74°F). Additionally, August is wetter, recording 167 mm (6.6 in) of precipitation over 18 days, accompanied by increased humidity at 92%. For a detailed overview of August weather specifics, check out Oshu weather in August.
In May, temperatures range from a minimum of 3°C (38°F) to a maximum of 30°C (87°F), with an average of 14°C (58°F). The month experiences around 114 mm (4.5 in) of precipitation spread over 13 days, and humidity levels hover around 80%. In contrast, September offers slightly milder temperatures, with a minimum of 4°C (39°F) and a maximum of 33°C (91°F), averaging 19°C (67°F). Though precipitation increases slightly to 117 mm (4.6 in) over 12 days, the humidity is also higher at 86%. Overall, September tends to be warmer and more humid than May, providing a different atmospheric experience. For more details, visit Oshu weather in September.
In May, temperatures in Oshu range from a mild 3°C (38°F) at night to a warm 30°C (87°F) during the day, with an average temperature of 14°C (58°F). The month experiences about 114 mm (4.5 in) of precipitation over 13 days, resulting in a humidity level of 80%. In contrast, October brings cooler weather with minimum temperatures dropping to around 0°C (33°F) and a maximum of 27°C (80°F), yielding an average of 13°C (55°F). October sees slightly higher precipitation at 154 mm (6.1 in) over 12 days, with humidity increasing to 82%. For more detailed weather information, check out Oshu weather in October.
May and November present notably different weather conditions. In May, temperatures range from a mild 3°C (38°F) at night to a warm 30°C (87°F) during the day, with an average of 14°C (58°F). The month sees a higher level of precipitation, totaling 114 mm (4.5 in) over approximately 13 days, contributing to a humid atmosphere with humidity levels around 80%. In contrast, November offers cooler temperatures, with lows of -4°C (24°F) and highs peaking at 19°C (66°F), averaging at 6°C (44°F). Rainfall is significantly less, with only 56 mm (2.2 in) over about 10 days, and the humidity remains relatively constant at 79%. For more detailed information, you can visit Oshu weather in November.
May and December present contrasting weather experiences. In May, temperatures range from a mild 3°C (38°F) to a warm 30°C (87°F), with an average of 14°C (58°F). The month sees about 114 mm (4.5 in) of precipitation across 13 days, while humidity remains high at 80%. In stark contrast, December brings colder conditions, with temperatures dipping as low as -10°C (14°F) and averaging just 1°C (33°F), peaking at 14°C (58°F). The total precipitation for December is lower at 78 mm (3.1 in), but it is spread out over 17 days, keeping the air humid at 80%. For a detailed look at what to expect in December, visit Oshu weather in December.
As spring unfolds in Oshu, May brings a delightful shift in weather, marked by warmer temperatures and increased humidity compared to the cooler months preceding it. With highs reaching a comfortable 30°C, residents and visitors can finally enjoy more outdoor activities, despite a modest average temperature that hovers around 14°C. Although precipitation can still surprise with about 13 rainy days, nature thrives as lush greenery emerges across the landscape. This mix of warmth and moisture makes May an enchanting month, setting the stage for the approaching summer. For a deeper dive into the weather trends and data, check out the full details at Oshu Climate.