Last updated: August 21, 2025
April in Yamaguchi, Japan presents a delightful mix of spring warmth and refreshing showers. With maximum temperatures reaching 26°C (79°F) and an average of 14°C (58°F), this month ushers in a gentle transition from the coolness of early spring. However, the temperatures can dip to a brisk 1°C (34°F) during colder nights. Rainfall is a defining feature, with 122 mm (4.8 in) of precipitation spread across 10 days, nurturing the blooming flora of the region. The humidity, hovering around 75%, adds a lush vibrancy to the air, making Yamaguchi a picturesque destination for those eager to embrace the beauty of spring.
In April, Yamaguchi, Japan begins to shake off the last remnants of winter, with temperatures gradually rising. The month starts with a minimum of 1°C (34°F), but swiftly ascends to an average of 14°C (58°F), peaking at a pleasant 26°C (79°F). This transition signals a clear warming trend, as locals and visitors alike welcome the vibrant blooms of spring. The temperatures are notably milder compared to previous months, showcasing a remarkable leap from the cool, crisp air of March. As April unfolds, Yamaguchi thrives under brighter skies, inviting outdoor activities and the joy of nature's awakening.
In April, Yamaguchi experiences considerable rainfall, with 122 mm (4.8 in) of precipitation spread over 10 days. This marks a slight decrease from March's wetter conditions, when the region saw 130 mm over 12 days. As spring unfolds, the weather is characterized by a mix of milder temperatures and blooming scenery, yet rain remains a frequent companion. Looking ahead, May typically sees an uptick in precipitation, hinting at the more substantial rainfall expected in the forthcoming summer months. Overall, April serves as a transitional month, balancing the tail end of the wet spring season with the burgeoning warmth of approaching summer.
In April, Yamaguchi, Japan experiences a noticeable shift in humidity, with levels at 75%. This figure represents a slight increase from March's 69%, signaling the approach of the humid summer months. The pattern of humidity in Yamaguchi reveals a gradual ascent as the year unfolds; following April, May sees a substantial leap to 84%, paving the way for a notably humid June at 88% and peak levels in the summer months. This trend highlights the region's transition from the drier winter season to a climate characterized by increasing mugginess, preparing the locals and visitors alike for the warmth and moisture that will define the coming months.
In April, Yamaguchi, Japan, experiences a significant jump in the UV Index, reaching an extreme level of 11—the same level it holds through May and June. This remarkable increase from March's moderate exposure category underscores the necessity for sun protection, with a burn time drastically reduced to just 10 minutes. As daylight hours expand and temperatures rise, residents and visitors alike should remain vigilant against the sun's intense rays, mirroring trends that will continue throughout summer. This pattern of escalating UV levels highlights the importance of staying informed about daily UV conditions. For more details, check out Yamaguchi UV Index.
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April brings a delightful surge of sunshine to Yamaguchi, with an impressive 280 hours of sunlight illuminating the city. This marks a notable increase from March's 264 hours, signaling the bloom of spring and the vibrant energy that accompanies it. As the month progresses, sunlight hours continue to rise, peaking in May at 300 hours. The trend showcases a clear transition into the warmer months, where longer days become a hallmark of the season. This radiant April sets the stage for lush landscapes and outdoor activities, inviting residents and visitors alike to bask in the beauty of Yamaguchi’s springtime charm.
As April arrives in Yamaguchi, Japan, the likelihood of sunny weather climbs to 47%, signaling a refreshing shift in the seasonal tapestry. This increase follows a steady pattern observed from the colder months, with January's 36% gradually giving way to a brighter outlook as spring unfolds. Notably, April tops the sunniest months since November, which also shares a 47% chance, highlighting the transition from the winter chill to the gentle warmth of spring. Despite May's dip to 31%, April stands out as a time when the region begins to embrace more sunshine, inviting residents and visitors alike to enjoy the burgeoning beauty of nature.
As April arrives in Yamaguchi, Japan, the city basks in an invigorating 13 hours of daylight, heralding the full bloom of spring. This increase from 11 hours in March reflects the progressive lengthening of days as the year moves closer to the summer solstice. Following a winter with just 10 hours of daylight in both January and February, the gradual rise is a reminder of nature's renewal, and April stands out as a pivotal moment when daylight noticeably stretches. As the months advance into May and June, daylight peaks at 14 hours, promising even more vibrant outdoor experiences. The transition to longer days is a seasonal highlight, allowing residents and visitors alike to fully embrace the beauty of Yamaguchi’s springtime landscapes.
In April, Yamaguchi experiences a gentle breeze with an average wind speed of 3.2 m/s (7 mph), mirroring the calm winds of the previous months. As winter transitions into spring, the winds remain steady, contributing to the region's mild and pleasant atmosphere. Interestingly, this springtime breeze is part of a slightly declining trend, as wind speeds gradually decrease from March’s average of 3.1 m/s. Following April, the winds soften further in May and June, reaching their lowest point at 2.6 m/s (6 mph) by mid-year. This pattern suggests that while April maintains a refreshing quality, the overall trend hints at a quieting force as the warmth of summer approaches, inviting a subtle transformation in the landscape.
Weather in Yamaguchi varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Yamaguchi, focusing on differences in temperature, rainfall, humidity, and UV levels.
April and January present distinct weather contrasts. In April, temperatures range significantly from a chilly 1°C (34°F) at night to a warm 26°C (79°F) during the day, averaging 14°C (58°F). The month also experiences higher precipitation, with 122 mm (4.8 in) falling over 10 days, while humidity hovers around 75%. In contrast, January is much colder, with a minimum temperature of -4°C (25°F) and a maximum of 16°C (60°F), averaging just 5°C (42°F). Precipitation is lower at 58 mm (2.3 in) over 9 days, and humidity is slightly higher at 76%. For more details, you can check Yamaguchi weather in January.
April experiences milder temperatures compared to February, with a notable increase from an average of 6°C (43°F) in February to 14°C (58°F) in April. February's temperatures can drop as low as -3°C (27°F), whereas in April, the minimum temperature is 1°C (34°F). Precipitation is also higher in April, totaling 122 mm (4.8 in) over approximately 10 days, compared to February's 78 mm (3.1 in) over 9 days. Humidity levels are slightly higher in April at 75%, compared to 72% in February. For more detailed information about February's weather, visit Yamaguchi weather in February.
April brings noticeably warmer temperatures compared to March, with a minimum of 1°C (34°F) and an average of 14°C (58°F), rising to a maximum of 26°C (79°F). In contrast, March's temperatures are cooler, starting from a minimum of -1°C (31°F), with an average of 10°C (51°F) and peaking at 22°C (72°F). Although April sees slightly less precipitation at 122 mm (4.8 in) over 10 days compared to March's 130 mm (5.1 in) over 12 days, the humidity levels rise in April to 75%, surpassing March's 69%. For a more detailed look at the climate in March, check out Yamaguchi weather in March.
April weather typically sees cooler temperatures, with a minimum of 1°C (34°F) and an average of 14°C (58°F), while May experiences a noticeable warm-up, featuring a minimum of 5°C (42°F) and an average of 19°C (67°F). The maximum temperatures also rise in May, reaching up to 30°C (87°F) compared to April's peak of 26°C (79°F). Additionally, both months have considerable rainfall, with April recording 122 mm (4.8 in) over 10 days, while May sees slightly more precipitation at 136 mm (5.4 in) over 11 days, leading to an increase in humidity levels from 75% in April to 84% in May. For more detailed information on May weather, visit Yamaguchi weather in May.
April and June present markedly different weather patterns. In April, temperatures range from a chilly minimum of 1°C (34°F) to a comfortable maximum of 26°C (79°F), with an average temperature of 14°C (58°F). This month experiences about 122 mm (4.8 in) of precipitation over approximately 10 days, with humidity levels around 75%. In contrast, June brings warmer temperatures, with a minimum of 12°C (54°F), an average of 22°C (73°F), and a maximum of 31°C (89°F). The month is also wetter, accumulating 198 mm (7.8 in) of rain over 13 days and higher humidity at 88%. For more details on the weather in June, you can check Yamaguchi weather in June.
April and July present significantly different weather conditions. In April, temperatures range from a cool 1°C (34°F) to a comfortable 26°C (79°F), with an average of 14°C (58°F). The month experiences about 122 mm (4.8 in) of precipitation over roughly 10 days, accompanied by a humidity level of 75%. In contrast, July heats up considerably, with temperatures varying from a minimum of 17°C (63°F) to a scorching maximum of 37°C (99°F) and an average of 26°C (80°F). However, July also sees increased rainfall, totaling around 340 mm (13.4 in) over 20 days, coupled with much higher humidity at 95%. This stark difference highlights the transition from the mild and relatively dry climate of April to the hot and humid conditions typical of July. For more detailed information about the weather in July, you can visit Yamaguchi weather in July.
When comparing the weather in April and August, it's evident that these two months present strikingly different climates. April experiences a milder range of temperatures, with minimums around 1°C and maximums reaching up to 26°C, averaging at 14°C. The month sees about 122 mm of precipitation over roughly 10 days, accompanied by a moderate humidity level of 75%. In contrast, August is characterized by much warmer temperatures, with minimums starting at 19°C and soaring to maximums of 38°C, giving an average of 28°C. This month also experiences more rainfall, totaling approximately 265 mm over 15 days and higher humidity levels at 93%. For more detailed insights about the heat and rainfall during this time, check out Yamaguchi weather in August.
April and September present contrasting weather patterns. In April, temperatures range from a chilly 1°C (34°F) at night to a pleasant 26°C (79°F) during the day, with an average of 14°C (58°F). The month is characterized by significant rainfall, with about 122 mm (4.8 in) of precipitation spread over approximately 10 days and humidity levels around 75%. In comparison, September boasts much warmer temperatures, with a minimum of 13°C (56°F), an average of 24°C (75°F), and a maximum that can reach up to 35°C (95°F). Rainfall is more abundant as well, totaling around 240 mm (9.4 in) over 14 days, coupled with higher humidity at 84%. For those interested in September weather specifics, you can find more details here: Yamaguchi weather in September.
April and October offer distinct weather experiences, with April showcasing a wider temperature range—from chilly early mornings at 1°C (34°F) to pleasant afternoons peaking at 26°C (79°F). This month often sees a significant amount of rain, averaging 122 mm (4.8 in) over about 10 days, coupled with humidity levels around 75%. In contrast, October tends to be milder, with minimum temperatures starting at 8°C (46°F) and reaching a maximum of 30°C (87°F), providing warmer days. The precipitation in October is similar at 120 mm (4.7 in) over the same number of days, but the humidity slightly increases to 79%. For more detailed insights, you can check Yamaguchi weather in October.
April and November present a noticeable shift in weather patterns. In April, temperatures range from a minimum of 1°C (34°F) to a maximum of 26°C (79°F), with an average of 14°C (58°F) and considerable rainfall of 122 mm (4.8 in) over about 10 days. This month is characterized by high humidity at 75%, contributing to a fresh spring atmosphere. In contrast, November experiences slightly cooler temperatures, with a minimum of 0°C (32°F), an average of 13°C (55°F), and a maximum of 25°C (78°F). The precipitation decreases significantly to 41 mm (1.6 in) spread over just 5 days, and humidity remains close at 76%. For more detailed weather insights, you can check Yamaguchi weather in November.
April and December present contrasting weather patterns, showcasing the transition from mild spring to the chill of winter. In April, temperatures range from a crisp 1°C (34°F) to a pleasant average of 14°C (58°F), peaking at a warm 26°C (79°F). This month also experiences greater precipitation, totaling 122 mm (4.8 in) over about 10 days, accompanied by a humidity level of 75%. Conversely, December brings a cooler climate with temperatures dropping to a minimum of -1°C (31°F) and averaging only 7°C (46°F), reaching a maximum of 21°C (70°F). Precipitation decreases significantly to 67 mm (2.6 in) across 8 days, while humidity remains constant at 75%. For a closer look at December weather conditions, visit Yamaguchi weather in December.
April in Yamaguchi is characterized by a vibrant transition from the colder winter months, showcasing more mild temperatures and increasing humidity. With an average temperature around 14°C (58°F), the city begins to awaken from its chilly slumber, allowing for outdoor activities and the blooming of cherry blossoms. This month also sees a rise in precipitation, with about 10 rainy days, creating a lush environment. Unlike the harsher winters, April’s weather offers a refreshing change that invites both locals and visitors to enjoy the beauty of spring. For more details on annual weather patterns, check out Yamaguchi Climate.