Last updated: August 21, 2025
In Ishikari, Japan, April ushers in a transition toward milder weather, with maximum temperatures reaching a pleasant 20°C (68°F), complemented by an average of 6°C (43°F). However, chilly nights can dip to a minimum of -2°C (28°F), reminding residents that winter is not quite over. This month witnesses 73 mm (2.9 in) of rainfall over approximately 11 days, contributing to a vibrant, lush landscape. With an humidity level averaging 81%, April in Ishikari offers a refreshing blend of crisp air and occasional showers, making it a month of renewal and anticipation.
In April, Ishikari, Japan begins to shake off the remnants of winter, as temperatures gradually rise from the chill of previous months. With a minimum of -2°C (28°F) and an average of 6°C (43°F), the region showcases a warming trend that is welcomed by locals and visitors alike. The maximum temperature can reach an inviting 20°C (68°F), hinting at the blossoming beauty of spring. This shift from the biting cold of January to the milder warmth of April signifies the transition into a vibrant season, encouraging outdoor exploration and the return of lively activities amid blooming landscapes.
In April, Ishikari experiences a transition as winter fades, bringing a moderate precipitation total of 73 mm (2.9 in) over 11 days. While the amount is slightly lower than the previous months, it follows the trend of decreasing precipitation from the winter months, which peaked in February at 84 mm (3.3 in). As the landscape begins to awaken with spring, the relatively drier conditions of April prepare the soil for the forthcoming growth. This gentle rainfall is essential for nurturing the emerging flora, setting the stage for the even wetter months ahead, notably May and June, when precipitation significantly increases.
In April, Ishikari experiences a humidity level of 81%, maintaining the trend established in March. This consistent humidity signals the transition towards the more humid months ahead, with May and June seeing a noticeable increase to 86% and 87%, respectively. While April's figures are slightly lower than the winter months—averaging around 83-84%—they hint at the impending rise as the region approaches the warm summer season. As the year progresses, humidity peaks in July and August, reaching a staggering 93% and 95% respectively, making April a brief interlude before the summer's embrace.
As spring unfolds in Ishikari, Japan, the UV Index takes a noticeable leap in April, with a value of 7, indicating a high exposure category. This trend follows a steady increase from March’s UV Index of 6, highlighting the need for greater sun protection as warmer days approach. With a burn time of just 25 minutes, residents are urged to take precautions, especially as the UV intensity continues to escalate, reaching very high levels of 9 in the subsequent month of May. As the season progresses, sun safety becomes increasingly vital; be sure to stay informed and protect your skin. For more details and tips, visit Ishikari UV Index.
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In Ishikari, Japan, the month of April shines brightly with an impressive 287 hours of sunshine, marking a delightful transition into spring. This increase from 243 hours in March signals the awakening of nature, as days grow longer and warmer. The following month, May, takes the lead with 309 hours, setting the stage for the sun-drenched days of summer. Notably, the trend shows a consistent rise in sunshine hours from January’s modest 133 hours to the peak in July at 321 hours. As summer approaches, sun-soaked days become the norm, while the gradual tapering off in autumn reminds us of the fleeting nature of this vibrant season.
As spring unfolds in Ishikari, Japan, the likelihood of sunny weather begins to rise, with April boasting a 42% chance of sunshine. This marks a noticeable increase from the preceding months, particularly from February's 24% and March's 39%. Interestingly, while May's prospects for sun drop to 27%, April stands out as a transitional month, hinting at the warmer, sunnier days ahead. Following the brisk winter months, locals can anticipate brighter skies and more frequent opportunities to enjoy outdoor activities as they embrace the rejuvenation of spring. As the season progresses, the sun's presence becomes more assured, making April a delightful prelude to the sunnier days of summer.
As April unfolds in Ishikari, Japan, residents eagerly welcome a significant increase in daylight, with 13 hours illuminating the landscape—a stark contrast to the shorter, darker days of winter. This transition marks a clear trend of increasing sunlight that began in March, when the daylight extended to 11 hours, and continues into May, where it peaks at 14 hours. The gradual lengthening of days enhances the vibrant spring atmosphere, encouraging outdoor activities and enjoyment of nature as everything comes alive. Following this lively period, daylight begins to taper off in the summer months, reminding us of the cyclical rhythm of the seasons.
In Ishikari, Japan, the April winds begin to signify the gentle transition from the biting cold of winter to the embrace of spring. With an average speed of 4.6 m/s (10 mph), April sees a slight increase in winds compared to the preceding months. This uptick follows a notable dip in March, marking a shift away from the winter stagnation represented by 5.1 m/s in January and February. As we move through April into May, winds draft down slightly to 4.1 m/s (9 mph), signaling a period of calm before the summer months. Overall, April serves as a revitalizing breath of air, bridging the robust winds of winter and the milder breezes of the upcoming seasons, making it a delightful time for nature lovers and adventurers alike.
Weather in Ishikari varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Ishikari, focusing on differences in temperature, rainfall, humidity, and UV levels.
April and January present starkly different weather experiences. In April, temperatures range from a minimum of -2°C (28°F) to a maximum of 20°C (68°F), with an average of 6°C (43°F), indicating a significant warming trend as spring approaches. In contrast, January is characterized by much colder conditions, with temperatures dipping as low as -13°C (8°F) and averaging -3°C (26°F), making it one of the coldest months of the year. Although both months have similar precipitation levels at around 73-74 mm (2.9 in), January sees this precipitation spread over 19 days compared to April's 11 days, leading to a wetter and more overcast feel in the depths of winter. Humidity is relatively high in both months, at 81% in April and 84% in January, further emphasizing the chilly, damp conditions typical of winter. For more insights, check out Ishikari weather in January.
April generally offers a significant improvement in weather conditions compared to February. With temperatures ranging from a chilly -2°C (28°F) to a pleasant 20°C (68°F), April feels much warmer than February's colder range of -12°C (11°F) to a maximum of only 5°C (42°F). Additionally, while April experiences an average precipitation of 73 mm (2.9 in) across 11 days, February sees slightly higher precipitation levels at 84 mm (3.3 in) over 21 days, indicating that April is not only warmer but also drier. Humidity levels are similar in both months, with April at 81% and February at 83%. For more detailed insights on February's weather, you can visit Ishikari weather in February.
April weather shows a notable improvement over March, with average temperatures rising from 1°C (35°F) in March to 6°C (43°F) in April. The maximum temperature in April can reach a pleasant 20°C (68°F), compared to March's maximum of 14°C (57°F). Despite April having slightly less precipitation at 73 mm (2.9 in) over 11 days compared to March's 80 mm (3.2 in) over 14 days, both months maintain a consistent humidity level of 81%. For a detailed look at March conditions, you can visit Ishikari weather in March.
April's weather is characterized by a wider temperature swing, with minimum temperatures dropping as low as -2°C (28°F) and average highs hovering around 20°C (68°F). In contrast, May sees a significant increase in warmth, with minimum temperatures starting at 4°C (40°F) and average highs peaking at 27°C (81°F). Both months experience substantial precipitation, with April recording 73 mm (2.9 in) over 11 days and May slightly higher at 89 mm (3.5 in) across 12 days. Humidity also rises from 81% in April to 86% in May, contributing to a more humid atmosphere as spring progresses. For more detailed weather information, you can check Ishikari weather in May.
April and June present distinct differences in weather patterns. In April, temperatures range from a chilly minimum of -2°C (28°F) to a comfortable maximum of 20°C (68°F), with an average of 6°C (43°F). The month experiences 73 mm (2.9 in) of precipitation over 11 days, accompanied by a humidity level of 81%. In contrast, June warms up considerably, with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 24°C (76°F) and an average of 16°C (61°F). However, it also sees a notable increase in precipitation, totaling 103 mm (4.1 in) over 10 days, along with heightened humidity at 87%. For more details on June weather, you can visit Ishikari weather in June.
April and July present quite contrasting weather patterns. In April, temperatures range from a chilly minimum of -2°C (28°F) to a comfortable maximum of 20°C (68°F), with an average of 6°C (43°F). The month experiences notable precipitation at 73 mm (2.9 in) over 11 days, coupled with a humidity level of 81%. In stark contrast, July enjoys much warmer temperatures, with minimums of 11°C (52°F) and maximums reaching up to 30°C (86°F), and an average of 21°C (69°F). Although July sees slightly higher precipitation at 104 mm (4.1 in) over the same number of days, the humidity is higher at 93%. For more details, you can refer to Ishikari weather in July.
April and August weather present a stark contrast in temperature and humidity. In April, temperatures range from a chilly -2°C (28°F) at night to a mild 20°C (68°F) during the day, with an average of 6°C (43°F). The month sees moderate precipitation of 73 mm (2.9 in) over about 11 days, with humidity levels at 81%. In comparison, August boasts significantly warmer temperatures, with nighttime lows of 15°C (59°F) and daytime highs reaching up to 30°C (86°F), averaging around 22°C (71°F). Precipitation in August is higher, totaling 182 mm (7.2 in) over 13 days, and humidity levels rise to a muggy 95%. For more detailed insights into August weather, you can check Ishikari weather in August.
April and September exhibit distinct weather patterns that reflect the transition from late winter to early autumn. In April, temperatures gradually rise, with minimums around -2°C (28°F) and average highs reaching 20°C (68°F), though the weather can still be chilly and erratic. This month also experiences approximately 73 mm (2.9 in) of precipitation over about 11 days, with humidity levels sitting at 81%.
In contrast, September offers a warmer climate, with minimum temperatures starting at 10°C (49°F) and average maximums soaring to 28°C (83°F). Precipitation increases slightly to 103 mm (4.0 in) over 13 days, contributing to a higher humidity level of 88%. For more details on September weather, you can visit Ishikari weather in September.
April and October exhibit distinct weather characteristics, reflecting the transition between seasons. In April, temperatures range from a chilly minimum of -2°C (28°F) to a pleasant maximum of 20°C (68°F), with an average of 6°C (43°F). The month experiences about 73 mm (2.9 in) of precipitation over 11 days, coupled with relatively high humidity at 81%. In contrast, October sees milder 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 also brings more rainfall, totaling 129 mm (5.1 in) over 16 days, and a slightly higher humidity level at 83%. For a detailed look at how October weather unfolds, you can check Ishikari weather in October.
April and November offer distinct weather experiences, each marked by their unique characteristics. In April, temperatures range from a chilly -2°C (28°F) to a pleasant 20°C (68°F), with an average of around 6°C (43°F). It typically sees about 73 mm (2.9 in) of precipitation over 11 days, combined with a relative humidity of 81%. In contrast, November tends to be slightly colder, with temperatures ranging from -3°C (26°F) to a maximum of 17°C (63°F), and an average temperature also near 6°C (44°F). However, it is significantly wetter, with around 153 mm (6.0 in) of precipitation spread across 22 days, while humidity levels are marginally lower at 79%. For a more detailed look at November weather, visit Ishikari weather in November.
April and December exhibit quite contrasting weather patterns. In April, temperatures range from a chilly -2°C (28°F) at night to a mild average of 6°C (43°F), peaking at 20°C (68°F) during the day. The month sees about 73 mm (2.9 in) of precipitation over 11 days, accompanied by high humidity at 81%. In contrast, December brings colder temperatures, with a minimum of -11°C (13°F) and an average of -1°C (31°F), and maximums reaching 13°C (56°F). This month experiences significantly more precipitation, totaling 123 mm (4.8 in) over 27 days, alongside slightly lower humidity at 80%. For a more detailed insight, check out Ishikari weather in December.
As April unfolds in Ishikari, the weather marks a striking transition from the biting cold of winter. While the temperatures gradually rise, peaking at a comfortable 20°C (68°F), the average remains a brisk 6°C (43°F), with chilly nights dipping down to -2°C (28°F). This month heralds a significant uptick in precipitation, with 11 rainy days contributing to a total of 73 mm (2.9 in), leading to a rather humid atmosphere at 81%. Compared to the frigid months preceding it, April offers a refreshing blend of mild warmth and moisture, signaling the approach of spring and inviting residents to embrace the blossoming scenery. For a detailed overview of weather patterns throughout the year, check out Ishikari Climate.