Last updated: August 21, 2025
May in Ishikari, Japan ushers in a delightful transition to warmer weather, with temperatures peaking at a comfortable 27°C (81°F) and averaging around 12°C (54°F). Residents and visitors can expect a refreshing atmosphere, although the month brings frequent showers, as indicated by 12 days of precipitation totaling 89 mm (3.5 in). With humidity levels reaching 86%, the air carries a distinctive freshness, making it an ideal time to explore the natural beauty of this captivating region.
In May, Ishikari, Japan, experiences a notable transition as temperatures rise significantly from the lingering chill of spring. With a minimum of 4°C (40°F) and an average temperature of 12°C (54°F), the region welcomes the warmth, peaking at a delightful 27°C (81°F). This shift from the previous months highlights a dramatic increase in warmth, contrasting sharply with the colder averages of January through April. As May unfolds, the city basks in longer days and a sense of rejuvenation, inviting both residents and visitors to embrace outdoor activities and the blossoming beauty of nature. The rise in temperature marks a clear departure from winter, setting the stage for the warm summer months ahead.
May in Ishikari, Japan, marks a notable shift in precipitation, with 89 mm (3.5 in) of rainfall spread over 12 days. This increase, following the slightly drier April, suggests the onset of the wet season, paving the way for the heavier downpours that typically characterize the summer months. The rising trend in precipitation continues into June and July, where averages exceed 100 mm (4 in). Interestingly, while April experiences only 11 rainy days, May welcomes a slight uptick in rainfall frequency, indicating a gradual transition to the lush greenery that dominates the region in the months to follow. As packed with moisture as the cherry blossoms are vibrant, May serves as a crucial precursor to the rich, rain-soaked landscape of Ishikari.
In May, Ishikari experiences a notable rise in humidity, reaching an average of 86%. This uptick is part of a gradual trend observed from the slightly lower figures of earlier months. Following the relatively stable levels of 81% in March and April, May's humidity sets the stage for the increasingly moist conditions that define the summer months. The transition into June sees this upward trajectory continue, with humidity peaking at 87%, foreshadowing the sultry days that lie ahead. As we move from spring into summer, Ishikari's atmosphere becomes progressively more humid, inviting the lush vibrancy of the season.
In May, Ishikari experiences a notable increase in UV exposure, with the UV Index soaring to 9, placing it in the very high exposure category. This jump from the previous months signals a shift in the atmosphere, prompting residents and visitors to limit their sun exposure to just 15 minutes to prevent skin damage. As summer approaches, this pattern of high UV readings is expected to continue, with June and July maintaining the same UV Index. It's essential for everyone in Ishikari to stay vigilant and take protective measures against sunburn as the daylight grows stronger. For more detailed insights on UV levels throughout the year, check out the comprehensive guide at Ishikari UV Index.
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In Ishikari, Japan, the month of May truly shines, boasting an impressive 309 hours of sunlight, which marks a significant peak as spring blooms into summer. This upward trend in sunshine hours is evident as May's brightness builds upon the previous months, with April already celebrating 287 hours. Following a gradual increase from the cold, sun-deprived 133 hours in January, each month rebuts winter's hold, leading to the warmth of summer. Interestingly, while June and July maintain high sunlight hours, a subtle decline begins in August, suggesting that Ishikari experiences not just longer days but also a rhythm to its seasonal light, creating a vibrant tapestry of luminosity that beckons outdoor adventures and peaceful moments alike.
As spring unfolds, the likelihood of sunny weather in Ishikari, Japan, sees some fluctuations. While May presents a 27% chance of sunshine, it doesn't quite match the upward trend observed in the preceding months, where April enjoys a more promising 42%. Looking ahead, June marks a significant leap to 47%, suggesting that the sunny season is right around the corner. This pattern illustrates a gradual transition from the cooler months of winter to the brighter, warmer days of late spring and early summer, creating a sense of anticipation for residents and visitors alike. Despite its relatively modest sunshine prospects, May still serves as a bridge to more favorable weather.
As spring unfolds into summer, Ishikari, Japan, experiences a delightful increase in daylight that beautifully enhances the environment and lifestyle. Starting with 9 hours of daylight in January, the days gradually lengthen, reaching 14 hours by May. This trend continues into June, where daylight peaks at 15 hours, providing ample time for outdoor activities and exploration. However, as summer transitions into autumn, the daylight gradually diminishes, slipping back to 12 hours in September before settling at 9 hours by November. The progression from winter's brief days to the summer's extended sunlight not only marks the change of seasons but also enriches the cultural and natural vibrancy of Ishikari.
In Ishikari, Japan, the month of May brings a gentle breeze with an average wind speed of 4.1 m/s (9 mph), marking a slight dip compared to the preceding months. This trend reflects a gradual decline from the more blustery winds seen in the winter months and the early spring, where January and February recorded consistent speeds of 5.1 m/s (11 mph). As spring unfolds, the winds soften, peaking in April at 4.6 m/s (10 mph) before settling into a calmer rhythm. This pattern signifies a transition towards the warmer summer months, where wind speeds continue to decrease, hinting at a mellowing atmosphere. Ultimately, May captures the essence of spring's lighter touch, creating a serene backdrop for the beauty of nature in Ishikari.
Weather in Ishikari varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Ishikari, focusing on differences in temperature, rainfall, humidity, and UV levels.
May and January present starkly contrasting weather conditions. In May, temperatures range from a cool 4°C (40°F) at night to a warm 27°C (81°F) during the day, offering an average of 12°C (54°F). The month experiences 89 mm (3.5 in) of precipitation over approximately 12 days, resulting in a relatively humid environment with a humidity level of 86%. Conversely, January is characterized by much colder temperatures, with a minimum of -13°C (8°F), an average of -3°C (26°F), and a maximum of only 6°C (42°F). January sees 74 mm (2.9 in) of precipitation spread across 19 days, with a slightly lower humidity of 84%. The dramatic difference in temperature and precipitation patterns highlights the seasonal transition between winter's chill and the burgeoning warmth of late spring. For more detailed information specific to January, you can refer to Ishikari weather in January.
May and February present stark contrasts in weather patterns. In May, temperatures range from a minimum of 4°C (40°F) to a warm maximum of 27°C (81°F), with an average of 12°C (54°F), making it a pleasant month for outdoor activities. The humidity is relatively high at 86%, and although May experiences around 89 mm (3.5 in) of precipitation over approximately 12 days, the overall climate feels much milder and more inviting.
In contrast, February is marked by a chill, with temperatures dipping as low as -12°C (11°F) and only reaching a maximum of 5°C (42°F), averaging around -3°C (27°F). Precipitation during this month totals about 84 mm (3.3 in) but spans a longer duration of 21 days, contributing to a more overcast and damp atmosphere, accompanied by a humidity level of 83%. For a closer look at February conditions, you can visit Ishikari weather in February.
Overall, May’s balmy warmth starkly contrasts with February’s frigid temperatures, highlighting the stark seasonal shift from winter to late spring.
When comparing the weather in May and March, it's clear that May brings significantly warmer temperatures. The average temperature in May hovers around 12°C (54°F), with a comfortable maximum of 27°C (81°F), while March sees a much colder average of 1°C (35°F) and maximum temperatures only reaching 14°C (57°F). Additionally, May experiences higher humidity at 86%, compared to March's 81%. Interestingly, while May has a slightly higher total precipitation of 89 mm (3.5 in) over 12 days, March brings 80 mm (3.2 in) across 14 days, making those spring rains a frequent occurrence. For more details on March weather patterns, you can check Ishikari weather in March.
In comparing the weather between April and May, it's evident that May enjoys significantly warmer temperatures, with daily averages rising from April's 6°C (43°F) to 12°C (54°F). April experiences colder nights, with a minimum temperature of -2°C (28°F), while May's temperatures remain above freezing, starting at 4°C (40°F). Additionally, May sees a wider temperature range, reaching a maximum of 27°C (81°F), compared to April's cap of 20°C (68°F). Precipitation levels are slightly higher in May at 89 mm (3.5 in) over 12 days, compared to April's 73 mm (2.9 in) over 11 days, although humidity remains relatively similar with May at 86% and April at 81%. For more detailed insights about April weather, you can check Ishikari weather in April.
May and June exhibit notable differences in weather patterns. In May, temperatures range from a minimum of 4°C (40°F) to a maximum of 27°C (81°F), with an average of 12°C (54°F). The month sees higher humidity levels at 86% and experiences 89 mm (3.5 in) of precipitation over 12 days. Conversely, June features a milder climate with minimum temperatures of 8°C (47°F) and a maximum of 24°C (76°F), leading to an average of 16°C (61°F). Although June has slightly higher precipitation at 103 mm (4.1 in) over about 10 days, humidity remains close at 87%. For more detailed insights, check out Ishikari weather in June.
May and July exhibit noticeable differences in weather patterns. In May, temperatures range from a chilly 4°C (40°F) at night to a pleasantly warm high of 27°C (81°F) during the day, with an average of 12°C (54°F). The month experiences around 89 mm (3.5 in) of precipitation over 12 days and maintains a humidity level of 86%. In contrast, July sees significantly warmer conditions with nighttime lows of 11°C (52°F) and daytime highs reaching 30°C (86°F), averaging 21°C (69°F). Although July is slightly wetter, with 104 mm (4.1 in) of rainfall spread over 11 days, the humidity rises to 93%, making the atmosphere feel more sultry. For a detailed look at the July weather, you can check Ishikari weather in July.
May and August present distinct contrasts in weather patterns. In May, temperatures range from a chilly minimum of 4°C (40°F) to a warmer maximum of 27°C (81°F), with an average of 12°C (54°F). However, it experiences relatively high humidity at 86% and receives 89 mm (3.5 in) of precipitation over 12 days, indicating a mix of mild and rainy days.
In contrast, August offers significantly warmer conditions, with temperatures starting at a minimum of 15°C (59°F) and peaking at 30°C (86°F), averaging around 22°C (71°F). The month is notably wetter, with 182 mm (7.2 in) of rainfall spread over 13 days and a higher humidity level of 95%. These differences highlight how May transitions from cooler spring weather to the sultry warmth of summer. For more detailed insights about August weather, you can check Ishikari weather in August.
May and September present distinct weather profiles as the seasons transition. In May, temperatures range from a minimum of 4°C (40°F) to a maximum of 27°C (81°F), with an average of 12°C (54°F). The month experiences moderate precipitation at 89 mm (3.5 in) over 12 days, accompanied by high humidity at 86%. In contrast, September boasts a warmer average temperature of 19°C (66°F), with lows of 10°C (49°F) and highs reaching 28°C (83°F). Additionally, precipitation increases slightly to 103 mm (4.0 in) across 13 days, with humidity remaining high at 88%. For more detailed insights, you can explore Ishikari weather in September.
May and October present contrasting yet mild weather patterns. In May, temperatures range from a minimum of 4°C (40°F) to a maximum of 27°C (81°F), with an average of 12°C (54°F). The month experiences about 89 mm (3.5 in) of precipitation over 12 days, accompanied by relatively high humidity at 86%. In contrast, October sees slightly cooler temperatures, with a minimum of 4°C (40°F), an average of 13°C (56°F), and a maximum of 24°C (75°F). However, it brings more rain, accumulating 129 mm (5.1 in) over 16 days, and a slightly lower humidity of 83%. For a more detailed look at October’s weather, check out Ishikari weather in October.
May and November present contrasting weather patterns, reflecting the transition from spring to winter. In May, temperatures typically range from a mild 4°C (40°F) at night to a warm 27°C (81°F) during the day, with an average of 12°C (54°F). This month sees around 89 mm (3.5 in) of precipitation over approximately 12 days, accompanied by high humidity levels of 86%. In contrast, November experiences much cooler temperatures, with a minimum of -3°C (26°F) and a maximum of 17°C (63°F), resulting in an average of only 6°C (44°F). November is also wetter, receiving 153 mm (6.0 in) of precipitation over about 22 days, although humidity drops to 79%. For more details, you can check out Ishikari weather in November.
In May, temperatures in Ishikari range from a minimum of 4°C (40°F) to a maximum of 27°C (81°F), with an average temperature of 12°C (54°F). The month experiences about 89 mm (3.5 in) of precipitation over approximately 12 days, along with high humidity levels at 86%. In contrast, December sees a stark reduction in temperatures, ranging from -11°C (13°F) to a maximum of 13°C (56°F), with an average of -1°C (31°F). Precipitation increases to 123 mm (4.8 in) spread over 27 days, and humidity drops slightly to 80%. For a more detailed look at December weather, check this link: Ishikari weather in December.
As May unfolds in Ishikari, the transition from the cool grip of spring to the warmth of early summer becomes evident. With temperatures averaging a mild 12°C (54°F) and peaking at a pleasant 27°C (81°F), this month stands apart from its cooler predecessors. While rain graces about 12 days, contributing to a total of 89 mm (3.5 in) of precipitation, the 86% humidity serves as a reminder of the lush greenery that springs to life. Embrace the invigorating charm of May in Ishikari, where the balance of sun and rain creates a vibrant atmosphere, perfect for outdoor adventures. For a deeper understanding of Ishikari's unique climate, visit Ishikari Climate.