Last updated: August 21, 2025
Asahikawa, Japan, experiences a dynamic May climate characterized by a broad temperature range. With daily maximums reaching up to 32°C (90°F), the average settles at a mild 12°C (55°F), while nights can dip to a chilly 0°C (32°F). This month also sees considerable precipitation, with an average of 104 mm (4.1 in) spread across 14 rainy days. The humidity remains high at 86%, adding to the lush, vibrant environment typical of early spring. This combination of warmth and moisture fosters the region's stunning natural beauty, making May an enchanting time to explore Asahikawa.
In Asahikawa, Japan, May heralds the arrival of warmer days, transitioning from the biting cold of winter to a more temperate climate. With minimum temperatures averaging around 0°C (32°F) and an inviting average of 12°C (55°F), the city experiences a refreshing shift. The daytime high can reach exhilarating 32°C (90°F), making it the perfect month for outdoor activities and enjoying the blooming nature that surrounds the area. This upward trend in temperatures from earlier months, such as April's maximum of 22°C (72°F), signifies that spring is in full swing, encouraging residents and visitors alike to revel in the vibrant atmosphere as nature awakens from its slumber. May in Asahikawa symbolizes warmer days ahead, bridging the gap between spring and the approaching summer months.
May marks a significant shift in Asahikawa’s weather patterns, as precipitation peaks at 104 mm (4.1 in), making it one of the wettest months in the year. This increase is accompanied by consistent rainfall days, with 14 days of recorded precipitation, aligning closely with the preceding months of April and the following month of June. Compared to earlier spring months, May’s rainfall is notably higher, reflecting a transition into the more humid summer season. As the region prepares for the sweltering months ahead, this uptick in precipitation not only nourishes the blooming landscape but also hints at the heavier monsoon-like rains to come in July and August.
As May arrives in Asahikawa, Japan, the city experiences a noticeable rise in humidity, reaching 86%—a significant uptick compared to the preceding months. This increase marks the beginning of a trend that continues into the summer months, with humidity peaking at 95% in August. The transition from spring to summer sees a clear pattern of rising moisture levels, suggesting that residents and visitors alike should prepare for a more humid climate as the year progresses. Leading into June, the humidity climbs further to 87%, establishing a continuation of this trend. The higher humidity in May, characteristic of the onset of warmer weather, foreshadows the intense dampness that defines Asahikawa's summer.
As May arrives in Asahikawa, Japan, residents and visitors should be aware of a significant shift in the UV Index, which escalates to a striking 9—an indicator of very high exposure levels. With a mere 15 minutes of burn time, it's crucial to adopt sun safety measures as the warmer weather encourages outdoor activities. This increase follows a steady climb from the moderate levels of February and high readings in March and April, serving as a reminder that as spring transitions to summer, UV radiation intensifies. The trend continues into June, where the UV Index remains at 9, highlighting the need for vigilance during this time. For detailed insights and safety tips, check out Asahikawa UV Index.
UV Risk Categories
As the spring blossoms, May in Asahikawa, Japan, shines brightly with 295 hours of sunlight, marking a significant peak in the year. This delightful month follows a steady ascent from January's modest 149 hours, blooming through April's 278 hours. The joy of longer days is palpable, creating an inviting atmosphere as locals and visitors alike relish outdoor activities. While June maintains a generous 285 hours, it gently signals the gradual descent towards the summer's peak in July, which boasts 304 hours of sunshine. This trend illustrates a remarkable transition from the quiet, sun-starved winter months to the vibrant and lively summer, showcasing the beauty of Asahikawa’s diverse seasons.
As May approaches in Asahikawa, Japan, the likelihood of sunny weather presents a notable shift in the seasonal trend. With a 21% chance of sunshine, May experiences a dip compared to the preceding month of April, which boasts a 36% likelihood. This decline marks a deviation from the upward trajectory observed in the months leading into summer, where June sees a significant rise to 42%. Such variability highlights the transitional nature of May; while it's not the sunniest month, it sets the stage for the brighter days ahead. As the region transitions from spring to summer, the anticipation of sunnier spells begins to build, paving the way for the vibrant energy of June and beyond.
Asahikawa experiences a fascinating shift in daylight duration throughout the year. Beginning in January with just 9 hours of sunlight, the days gradually lengthen, with February and March adding an hour each, bringing the daylight to 11 hours in March. By the time April arrives, the city revels in 13 hours of daylight, setting the stage for the sun's peak in May at a delightful 14 hours. This trend of increasing daylight continues into June and July, where Asahikawa enjoys a generous 15 hours of sunshine, illuminating the landscape and uplifting spirits. However, as summer fades, the daylight starts to retract, with August seeing a decrease to 13 hours and a gradual decline back to 9 hours by November. This rhythmic cycle of daylight not only marks the changing seasons but also enhances the charm of life in Asahikawa.
In Asahikawa, Japan, the month of May brings a gentle breeze, averaging 2.6 m/s (6 mph), mirroring the tranquil winds felt in both January and the cooler month of December. What stands out is the gradual increase in wind speed from the cold depths of winter, peaking at 3.3 m/s (7 mph) in April, before settling back in May. As spring unfurls, wind speeds typically fluctuate, yet May's calmness serves as a breath of fresh air, contrasting with the slightly stronger currents of early spring. Moving into the summer months, winds taper off, suggesting a shift towards warmer, stiller days. The gentle May winds herald a transition, embodying the serene beauty of nature awakening in northern Japan.
Weather in Asahikawa varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Asahikawa, focusing on differences in temperature, rainfall, humidity, and UV levels.
When comparing the weather of May and January, the stark differences are evident. May boasts a minimum temperature of 0°C (32°F) and an average of 12°C (55°F), reaching a maximum of 32°C (90°F), making it a much warmer month overall. In contrast, January presents a chilly landscape with a minimum of -23°C (-10°F) and an average of -8°C (19°F), peaking at just 4°C (40°F). While May experiences 104 mm (4.1 in) of precipitation over 14 days, January has less precipitation at 59 mm (2.3 in) over 17 days, although the cold temperatures make it feel quite damp. Humidity levels are similar, with May at 86% and January at 84%. For a deeper dive into January conditions, you can check Asahikawa weather in January.
May and February present stark contrasts in weather conditions. In May, temperatures range from a chilly 0°C (32°F) at night to a warm 32°C (90°F) during the day, averaging at 12°C (55°F). The month experiences significant rainfall, with 104 mm (4.1 in) over 14 days and high humidity at 86%. Conversely, February is much colder, with temperatures dipping to a frigid -25°C (-13°F) at night and peaking at just 6°C (43°F), averaging -6°C (21°F). Precipitation is lower at 79 mm (3.1 in), but occurs over more days, totaling 19, with humidity slightly lower at 83%. For more specific details on how February behaves, check out Asahikawa weather in February.
May and March present a stark contrast in weather conditions. In May, temperatures range from a chilling 0°C (32°F) at night to a warm 32°C (90°F) during the day, with an average of 12°C (55°F). The month also sees a significant amount of rainfall, totaling 104 mm (4.1 in) over 14 days, accompanied by high humidity at 86%.
In comparison, March experiences much colder temperatures, with a minimum of -17°C (1°F) and a maximum of 16°C (61°F), averaging around 0°C (32°F). While it has slightly less precipitation at 87 mm (3.4 in) over 15 days, the humidity is still notable at 81%. For a detailed look at March conditions, you can visit Asahikawa weather in March. Overall, May's weather is significantly milder and wetter than that of March, signaling a clear shift towards the warmth of spring.
When comparing the weather of April and May, it is clear that May experiences significantly warmer temperatures, with a minimum of 0°C (32°F) and an average of 12°C (55°F), reaching a maximum of 32°C (90°F). In contrast, April is cooler, with temperatures ranging from a minimum of -6°C (22°F) and an average of 6°C (43°F) to a maximum of 22°C (72°F). Additionally, May sees an increase in precipitation, totaling 104 mm (4.1 in) over 14 days, compared to April's 76 mm (3.0 in) over the same number of days. Humidity levels are also slightly higher in May at 86%, compared to 81% in April. For more detailed information about April weather patterns, you can refer to Asahikawa weather in April.
In comparing the weather of May and June, one can observe subtle shifts in temperatures and humidity levels. May experiences a wider temperature range, with temperatures ranging from a chilly 0°C (32°F) to a warm 32°C (90°F), while June presents milder conditions, with minimums of 3°C (38°F) and a maximum of 28°C (82°F). Although May and June both receive similar amounts of precipitation—104 mm (4.1 in) in May and 103 mm (4.1 in) in June—June tends to have slightly higher humidity at 87%, compared to May's 86%. For further insights into June's weather, you can explore Asahikawa weather in June.
In May, temperatures in Asahikawa range from a chilly 0°C (32°F) at night to a warm 32°C (90°F) during the day, with an average of 12°C (55°F). The month sees a fair amount of rainfall, totaling 104 mm (4.1 inches) over 14 days, and experiences relatively high humidity levels at 86%. In contrast, July presents milder temperatures, with a minimum of 9°C (48°F) and an average of 21°C (69°F), peaking at about 31°C (89°F). Despite July's higher precipitation of 131 mm (5.1 inches) over 13 days and increased humidity at 93%, the overall warmer conditions make it feel quite different from the cooler May weather. For more insights on weather patterns during this month, check out Asahikawa weather in July.
When comparing the weather in May and August, a few notable differences emerge. In May, temperatures range from a chilly 0°C (32°F) at night to a warm 32°C (90°F) during the day, with an average temperature of 12°C (55°F). The month receives about 104 mm (4.1 in) of precipitation over 14 days, coupled with a relatively high humidity level of 86%. In contrast, August boasts milder night temperatures starting at 8°C (48°F) and an average of 20°C (69°F), with daytime highs reaching the same maximum of 32°C (90°F). However, it experiences significantly more rainfall at 200 mm (7.9 in) spread across 17 days, and the humidity is even higher at 95%. For a more detailed look at the weather in August, check out Asahikawa weather in August.
May and September in Asahikawa present distinct weather characteristics despite their proximity in the calendar. In May, temperatures range from a chilly 0°C (32°F) at night to a warm 32°C (90°F) during the day, with an average of around 12°C (55°F). The month experiences significant rainfall, totaling 104 mm (4.1 in) over about 14 days, accompanied by high humidity levels at 86%.
In contrast, September brings slightly milder temperatures, with nightly lows of 2°C (37°F), daily highs peaking at 29°C (85°F), and an average of 16°C (62°F). Precipitation is comparable at 103 mm (4.1 in) across 13 days, but humidity is slightly higher at 88%. This comparison highlights how May can feel more extreme in temperature, while September provides a more temperate, albeit still humid, atmosphere. For further details, you can explore Asahikawa weather in September.
In comparing the weather between May and October, we see distinct seasonal shifts. May boasts warmer temperatures, with averages around 12°C (55°F) and highs reaching up to 32°C (90°F), while October cools down significantly, featuring an average of 10°C (50°F) and maximums of 23°C (75°F). Additionally, October tends to be wetter, with 148 mm (5.8 in) of precipitation over 16 days, compared to May's 104 mm (4.1 in) across 14 days. Humidity levels remain relatively high in both months, at 86% for May and 83% for October. For more details on October weather, you can check Asahikawa weather in October.
May and November present stark contrasts in weather, particularly when it comes to temperature and conditions. May typically enjoys milder temperatures, ranging from a minimum of 0°C (32°F) to a maximum of 32°C (90°F), with an average of 12°C (55°F). This month experiences around 104 mm (4.1 in) of precipitation over approximately 14 days, accompanied by high humidity levels of 86%. In contrast, November sees cooler temperatures with a minimum of -10°C (14°F) and a maximum of 16°C (61°F), averaging just 3°C (38°F). The precipitation rises to 138 mm (5.4 in) over about 23 days, with humidity levels slightly lower at 79%. For further details on November weather, you can check Asahikawa weather in November.
May and December present stark contrasts in weather conditions. In May, temperatures range from a chilly 0°C (32°F) at night to a warm 32°C (90°F) during the day, with an average of 12°C (55°F). The month experiences considerable humidity at 86% and sees about 104 mm (4.1 in) of precipitation over 14 days. In contrast, December is much colder, with temperatures plummeting to a minimum of -19°C (-2°F) and averaging -4°C (24°F); the maximum temperature is a mere 13°C (55°F). The precipitation is slightly higher at 109 mm (4.3 in), but it occurs over a longer stretch of 27 days, coupled with a lower humidity of 80%. For more details on December weather, visit Asahikawa weather in December.
As May unfolds in Asahikawa, the region transitions into a vibrant spring, showcasing a marked contrast to the colder months of winter. With temperatures rising and an average hovering around a comfortable 12°C, daytime highs can reach a balmy 32°C, inviting residents and visitors alike to relish in the awakening outdoors. However, this month also brings along increased humidity levels at 86% and about 14 days of precipitation, ensuring the landscapes remain lush and inviting. While the chill of winter retreats, May serves as a delightful reminder of nature's reawakening. For more insights into how the climate shapes your experience throughout the year, visit Asahikawa Climate.