Last updated: August 21, 2025
May in Inawashiro, Japan is a month of transition, characterized by warm temperatures and a touch of spring's lingering chill. The maximum temperature can soar to a delightful 31°C (89°F), while the average hovers around 15°C (59°F), creating a pleasant atmosphere for outdoor activities. However, the weather can be unpredictable, with minimum lows dipping to 2°C (36°F), reminding visitors to pack accordingly. Expect around 99 mm (3.9 in) of rainfall spread over 12 days, contributing to the region’s lush greenery. With an average humidity level reaching 81%, the air carries a refreshing crispness, making May a unique and vibrant time to experience the beauty of Inawashiro.
May in Inawashiro, Japan, marks a delightful transition from the lingering chill of spring to the warmth of early summer. With temperatures ranging from a minimum of 2°C (36°F) to a maximum of 31°C (89°F), this month offers a refreshing average of 15°C (59°F), inviting residents and visitors alike to enjoy the blossoming landscapes. As the region shakes off the winter frost, the temperature steadily climbs, showcasing a notable increase from the cooler days of April. This trend not only heralds the arrival of delightful outdoor activities but also brightens the mood, making May a perfect time to experience the natural beauty of Inawashiro. The consistent rise in warmth hints at the vibrant summer just around the corner, setting the stage for an enchanting season ahead.
In May, Inawashiro experiences a moderate precipitation level of 99 mm (3.9 in), falling slightly below the previous month's total. The rain is distributed over 12 days, indicating a diminishing trend in both the amount and frequency of rainy days as the region transitions into the warmer months. This pattern continues from April, where rainfall peaked at 105 mm (4.1 in). The arrival of June brings a marginal increase to 101 mm (4.0 in), suggesting that while May enjoys comparatively drier conditions, the overall wet season is just gearing up. Observing these trends reveals not only the dynamic nature of Inawashiro’s climate but also its delicate balance between rainfall and the onset of summer warmth.
Inawashiro, Japan, experiences a notable shift in humidity levels throughout the year, with May offering a moderate reprieve from the peak of the rainy season. This month sees humidity stabilize at 81%, a slight increase from the 78% recorded in April. It marks a transition as the region prepares for the summer months, where humidity levels will surge to 92% in July and August. As spring gives way to early summer, May's humidity reflects a gentle rise, making it a comfortable period for both locals and visitors to enjoy the blossoming landscapes before the more oppressive heat and moisture set in.
As spring transitions into summer in Inawashiro, Japan, the UV Index reaches a significant peak in May, registering at 10, which falls into the very high exposure category. This sharp increase from April's Index of 9 signals that outdoor enthusiasts should be particularly cautious, as the potential for skin damage intensifies, with a burn time of just 15 minutes. Throughout the year, there is a noticeable upward trend in UV levels, particularly from March onwards, when the Index jumps from a moderate 8 to a striking 10 in May, before hitting an extreme 11 in June. This emphasizes the importance of sun protection as summer approaches, encouraging residents and visitors alike to stay informed about the UV Index and take necessary precautions. For further details on UV trends in the area, check out the Inawashiro UV Index.
UV Risk Categories
May brings a vibrant burst of sunshine to Inawashiro, Japan, with an impressive 281 hours of daylight, marking it as one of the sunniest months of the year. This uptick in sunshine time reflects a steady climb from 145 hours in January to a remarkable high in May, showcasing the gradual warming and blossoming of spring. Following May, the daylight begins to wane slightly as summer approaches, yet June still retains 266 hours, indicating that the region enjoys a rich tapestry of sunlight throughout the spring and early summer months. The trends reveal a clear pattern of increasing sunlight leading into May, creating a perfect backdrop for outdoor activities and the vibrant natural scenery that characterizes this beautiful season.
As May rolls around in Inawashiro, Japan, the likelihood of sunny weather holds steady at 25%, showcasing a slight dip from the previous month, April, which boasts a more promising 41% chance of sunshine. This trend indicates a transition as spring blossoms into summer, with sunlight opportunities becoming increasingly varied. Interestingly, after the bright days of April, May offers a balanced mix, suggesting that while sunny moments may be fewer, they are often accompanied by the lush backdrop of blooming nature. As the region prepares for June, the sun's chances start to taper, hinting at more variable weather patterns ahead.
May marks a significant turning point in Inawashiro, Japan, as the daylight duration reaches an inviting 14 hours. This month not only enjoys longer days than the preceding April, which averages 13 hours, but also sets the stage for the sun-drenched months ahead during June and July, when daylight remains consistent at 14 hours. This gradual increase in daylight from a winter low of 9 hours in January reflects the vibrant transition into spring and summer. As the year progresses, daylight gradually wanes again, dipping to 13 hours in August and continuing to shorten towards the winter months. Thus, May can be seen as a beautiful bridge, embracing the full bloom of spring while hinting at the warmth of summer to come.
In Inawashiro, Japan, the May wind whispers softly with an average speed of 2.5 m/s (6 mph), mirroring the gentle breezes of January and April. As spring unfurls, the winds tend to be more moderate, creating a serene atmosphere ideal for enjoying the lush landscapes. This pattern continues into the summer months, where wind speeds gradually decline, reaching their lowest in July at just 1.4 m/s (3 mph). Overall, May stands as a bridge between the fresher spring winds and the calmer, warmer summer air, inviting visitors to experience the tranquil charm of this stunning region.
Weather in Inawashiro varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Inawashiro, focusing on differences in temperature, rainfall, humidity, and UV levels.
In contrast to January's chilly temperatures, which range from a frigid minimum of -11°C (12°F) to a slightly warmer maximum of 8°C (47°F), May brings milder weather with temperatures varying between 2°C (36°F) and a pleasant 31°C (89°F). While both months see similar precipitation levels—99 mm (3.9 in) in May and 96 mm (3.8 in) in January—the number of rainy days is higher in January, with 18 days of precipitation compared to 12 days in May. Additionally, January's humidity sits at a high 88%, slightly exceeding May's average of 81%. For more specifics on January weather, you can visit Inawashiro weather in January.
In May, temperatures range from a chilly 2°C (36°F) to a warm 31°C (89°F), with an average temperature of 15°C (59°F). This month experiences about 99 mm (3.9 in) of precipitation spread over 12 days, coupled with a humidity level of 81%. In contrast, February is significantly colder, with temperatures varying from a bitter -11°C (13°F) to a mild 15°C (59°F), averaging around 0°C (32°F). During this winter month, there is slightly less precipitation at 90 mm (3.5 in), but it occurs over more days—19 in total—resulting in a higher humidity level of 86%. For more details about February weather, you can visit Inawashiro weather in February.
In comparing the weather in May and March, May is significantly warmer, with average temperatures reaching 15°C (59°F) compared to March's cooler average of 4°C (39°F). The maximum temperature in May can soar up to 31°C (89°F), while March peaks at a mild 19°C (67°F). However, March experiences slightly more precipitation with 120 mm (4.7 in) over 15 days, compared to 99 mm (3.9 in) over 12 days in May. Interestingly, both months have the same humidity level of 81%, indicating that while May brings more warmth, the consistency in humidity remains a common characteristic of spring weather. For a more detailed look at March conditions, you can refer to Inawashiro weather in March.
When comparing the weather in May and April, we see a notable increase in temperatures during May, with a minimum of 2°C (36°F) and an average of 15°C (59°F), compared to April's lower minimum of -3°C (26°F) and average of 9°C (48°F). May also experiences a wider temperature range, peaking at 31°C (89°F) versus April's high of 26°C (79°F). While April has slightly higher precipitation at 105 mm (4.1 in) over 13 days, May follows closely with 99 mm (3.9 in) over 12 days, but maintains a slightly higher humidity level at 81% compared to April's 78%. For a more detailed look at April weather, check out Inawashiro weather in April.
May and June exhibit a transition in weather patterns, with June generally being warmer and slightly more humid. In May, temperatures range from a low of 2°C (36°F) to a high of 31°C (89°F), averaging around 15°C (59°F). In contrast, June starts with a minimum temperature of 7°C (45°F) and peaks at 32°C (90°F), averaging 18°C (66°F). Both months experience similar levels of precipitation, with May receiving 99 mm (3.9 in) and June slightly more at 101 mm (4.0 in), occurring over approximately 12 days in each month. However, June's humidity is a touch higher at 88%, compared to May's 81%. For more details on June weather, you can visit Inawashiro weather in June.
In comparing the weather of May and July, a clear progression in temperatures and precipitation patterns can be observed. May typically experiences cooler temperatures, with an average of 15°C (59°F) and a maximum reaching 31°C (89°F), while July sees warmer conditions with an average of 23°C (73°F) and highs up to 34°C (93°F). However, July is also marked by significantly higher rainfall, accumulating 239 mm (9.4 in) over 19 days compared to May's 99 mm (3.9 in) over 12 days. Additionally, the humidity rises in July to 92%, compared to 81% in May, contributing to a more oppressive heat. For more detailed insights on July's weather, you can refer to Inawashiro weather in July.
In comparing the weather conditions of May and August, notable differences emerge. May experiences a wide temperature range, with minimums of 2°C (36°F) and maximums reaching 31°C (89°F). The average temperature is a mild 15°C (59°F), accompanied by significant precipitation of 99 mm (3.9 in) over 12 days and a humidity level of 81%. In contrast, August sees a warmer climate, with minimum temperatures of 14°C (57°F) and maximums soaring to 34°C (94°F), leading to a higher average temperature of 24°C (76°F). Precipitation also increases to 136 mm (5.3 in) over 16 days, and humidity rises to 92%. For more detailed insights on August weather, visit Inawashiro weather in August.
In May, temperatures range from a chilly 2°C (36°F) at night to a warm 31°C (89°F) during the day, with an average of 15°C (59°F). The month sees around 99 mm (3.9 in) of precipitation over 12 days, contributing to a humidity level of 81%.
In contrast, September begins with milder temperatures, with a minimum of 9°C (48°F) and reaching up to 31°C (89°F), resulting in an average temperature of 20°C (67°F). This month experiences slightly more rainfall, totaling 120 mm (4.7 in) over 14 days, and a higher humidity level of 89%.
For more details on September weather, you can visit Inawashiro weather in September.
In comparing the weather of May and October, it is clear that both months experience similar minimum temperatures, with May reaching a low of 2°C (36°F) and October slightly higher at 2°C (37°F). However, May typically boasts warmer average and maximum temperatures, averaging 15°C (59°F) and peaking at 31°C (89°F), compared to October's average of 14°C (57°F) and maximum of 27°C (80°F). Precipitation levels in October are notably higher, with 168 mm (6.6 in) of rain over 12 days, compared to May's 99 mm (3.9 in). Humidity also increases slightly in October, reaching 87% as opposed to May's 81%. For more detailed insights, you can refer to Inawashiro weather in October.
In May, the weather is typically warm and variable, with temperatures ranging from a chilly 2°C (36°F) at night to a balmy 31°C (89°F) during the day, accompanied by an average of 15°C (59°F). This month sees a higher level of precipitation at 99 mm (3.9 in) spread over 12 days, along with relatively high humidity levels of 81%. In contrast, November brings cooler temperatures, with a minimum of -3°C (26°F), an average of 8°C (46°F), and a maximum of 20°C (68°F). Precipitation decreases to 60 mm (2.3 in) over 11 days, and humidity remains slightly elevated at 85%. For more specific insights into November weather in a particular region, you can check Inawashiro weather in November.
May and December present quite contrasting weather profiles. In May, temperatures range from a minimum of 2°C (36°F) to a maximum of 31°C (89°F), with an average of 15°C (59°F), making it generally warm and pleasant. The month sees approximately 99 mm (3.9 in) of precipitation over 12 days, with humidity levels around 81%. In stark contrast, December experiences much cooler temperatures, with a minimum of -10°C (15°F) and a maximum of 17°C (62°F), averaging at merely 2°C (36°F). Precipitation is slightly higher, at 110 mm (4.3 in) spread across 20 days, and the humidity is a bit more elevated at 86%. For a detailed overview of December conditions, you can check Inawashiro weather in December.
May in Inawashiro marks a delightful transition, with temperatures pleasantly rising and humidity levels peaking at 81%. Unlike the colder months, May invites visitors to enjoy the warm days, peaking at a balmy 31°C, while still offering the refreshing coolness of nights that drop to around 2°C. The month experiences some rainfall, with about 99 mm across approximately 12 days, adding a lush vibrancy to the landscape. This combination of warmth and sporadic showers makes May a unique time to appreciate the natural beauty of Inawashiro. For a deeper look into how May compares to other months, check out Inawashiro Climate.