Last updated: August 21, 2025
April in Yokohama, Japan is a delightful transition into spring, characterized by a maximum temperature reaching 23°C (74°F) and an average of 15°C (58°F). While temperatures can dip to a refreshing 4°C (40°F) during the nights, the overall climate is inviting. This month experiences 116 mm (4.6 in) of rainfall spread over 10 days, contributing to a humidity level of 74% that enhances the blooming beauty of cherry blossoms and lush greenery throughout the city. Visitors can expect a vibrant atmosphere, perfect for exploring Yokohama's stunning landscapes and cultural landmarks.
As April arrives in Yokohama, Japan, the city begins to shake off the chill of winter, welcoming a noticeable shift in temperatures. With a minimum of 4°C (40°F) and an average around 15°C (58°F), residents experience a gentle warmth that heralds the arrival of spring. The days grow longer and more inviting, peaking at a comfortable 23°C (74°F), inviting outdoor activities and vibrant cherry blossoms. This transition marks a significant departure from the cooler temperatures of previous months, setting the stage for even warmer days ahead as May approaches. Overall, April is a delightful month in Yokohama, blending cool breezes with the promise of sunshine and blooming landscapes.
In April, Yokohama experiences a notable transition in its precipitation patterns, receiving 116 mm (4.6 in) of rain over 10 days. This marks a slight decrease from the previous month, March, which was significantly wetter with 138 mm (5.4 in) but aligns closely with the precipitation levels of May. The rainfall in April plays a crucial role in rejuvenating the city's vibrant spring landscape, striking a balance between the intense rains of the preceding months and the approaching wet season in June. With an average of about 10 rainy days, April showcases Yokohama's characteristic spring weather, where light, frequent showers contribute to the burgeoning blossoms and lush greenery, setting the stage for the warmer months ahead.
In April, Yokohama experiences a humidity level of 74%, a slight increase from the previous month but still considerably lower than the sweltering levels anticipated in the coming summer. This moderate humidity is characteristic of spring, bridging the transition from the cool, crisp air of winter with the upcoming warmth of May, which sees a noticeable jump to 81%. Following the pattern, April represents a calm before the more humid months ahead, as the city prepares for the peak of the rainy season starting in June with levels soaring to 88% and beyond. This gradual rise in humidity reflects the shifting seasons, hinting at the lush, vibrant atmosphere that will envelop Yokohama as nature embraces its full bloom.
April in Yokohama marks a notable rise in UV intensity, with the UV Index soaring to 9, categorizing it as very high and reducing safe sun exposure time to just 15 minutes. This sharp increase from the 8 recorded in March signals the arrival of stronger sunlight as spring settles in. As the season progresses, UV levels will continue to climb, peaking at an extreme 11 in May, making it crucial for residents and visitors alike to take sun safety precautions seriously. Being aware of these trends can help prevent sunburn and long-term skin damage. For more detailed insights, visit Yokohama UV Index.
UV Risk Categories
April in Yokohama, Japan, welcomes a delightful increase in sunshine, boasting 273 hours of radiant sunlight. This marks a notable rise from the 260 hours experienced in March, setting the stage for even sunnier days ahead as May averages 285 hours. The trend of increasing daylight hours throughout the spring months highlights the transition to warmer weather, encouraging outdoor activities and floral blossoms. As the city basks in the cheerful rays of sunlight, you can sense the vibrant energy that characterizes this beautiful season. With the promise of blissful summer days just around the corner, April serves as a perfect bridge into the sun-soaked months ahead.
In Yokohama, the likelihood of sunny weather in April reflects a moderate 50%, indicating a transitional vibe as spring begins to bloom. Following the sunnier months of February with a peak of 66%, April sees a slight dip, yet remains brighter than the following months of May and June, which drop to 24%. This pattern suggests that while April offers decent chances for sunshine, it's still less predictable than earlier in the year. As we move from the freshness of spring into the heavier heat of summer, this month balances the beauty of budding flowers against the unpredictable nature of early seasonal weather.
As April unfolds in Yokohama, Japan, the city basks in the warmth of increasing daylight, with a notable 13 hours of sunshine—a significant jump from the 11 hours experienced in March. This transition marks the onset of spring, ushering in longer days that enhance the vibrant atmosphere. Following April, daylight duration peaks in May at 14 hours, creating a beautiful backdrop for outdoor activities and blooming cherry blossoms. As the months progress into summer, Yokohama enjoys extended daylight, maintaining 14 hours through June and July, before gradually tapering off again in August. This pattern of increasing daylight in spring and summer, followed by a gentle decline in autumn, highlights the region's rhythmic seasonal cycles, inviting residents and visitors alike to relish the beauty of longer, sunlit days.
In April, Yokohama experiences a gentle breeze with an average wind speed of 4.8 m/s (11 mph), continuing a trend of relatively stable winds that began in February and persisted through March. As spring blossoms, the winds begin to pick up slightly in the following month, May, when speeds increase to 5.3 m/s (12 mph), but April's light gusts create a refreshing atmosphere perfect for outdoor activities. In contrast, as summer approaches, wind speeds tend to decrease, showcasing the city's varied climatology throughout the year. Overall, April’s mild breezes enhance the charm of the season, making it a delightful time to explore the scenic beauty of Yokohama.
Weather in Yokohama varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Yokohama, focusing on differences in temperature, rainfall, humidity, and UV levels.
April and January present contrasting weather patterns, with April experiencing significantly milder temperatures ranging from a minimum of 4°C (40°F) to a maximum of 23°C (74°F), and an average of 15°C (58°F). In contrast, January's temperatures dip much lower, with a minimum of -3°C (27°F) and a maximum of 18°C (65°F), averaging only 6°C (44°F). Additionally, April sees more precipitation, totaling 116 mm (4.6 in) over approximately 10 days, compared to January's 52 mm (2.1 in) across just 4 days. Humidity levels are fairly similar, with April at 74% and January at 76%, but the overall warmth of April makes it feel more pleasant. For more insights, check Yokohama weather in January.
April generally experiences milder temperatures compared to February, with average highs reaching 23°C (74°F) compared to February's maximum of 18°C (66°F). Additionally, the average temperature in April (15°C or 58°F) is significantly higher than February's average of 7°C (45°F). While both months have similar humidity levels at 74%, April tends to be wetter, with a precipitation total of 116 mm (4.6 in) over 10 days, compared to February's 43 mm (1.7 in) over 7 days. For more detailed information about February weather in Yokohama, you can visit Yokohama weather in February.
In comparing the weather between March and April, April tends to be warmer with an average temperature of 15°C (58°F), compared to March's average of 11°C (52°F). March sees a slightly lower minimum temperature of 1°C (34°F) compared to April's 4°C (40°F) and a maximum temperature of 20°C (69°F) against April's 23°C (74°F). March experiences a bit more precipitation, with 138 mm (5.4 in) over 12 days, while April receives 116 mm (4.6 in) over 10 days. Interestingly, humidity levels are slightly higher in April at 74%, compared to March's 70%. For more detailed information, you can check Yokohama weather in March.
April and May exhibit notable differences in weather, as May generally brings warmer temperatures and increased humidity. In April, the temperature ranges from a minimum of 4°C (40°F) to a maximum of 23°C (74°F), with an average of 15°C (58°F). The month sees a considerable amount of precipitation, totaling 116 mm (4.6 in) across approximately 10 days, alongside a humidity level of 74%. In contrast, May experiences a milder climate, with temperatures ranging from a minimal 11°C (52°F) to a maximum of 27°C (80°F) and an average of 19°C (67°F). This month also has slightly more rainfall, at 118 mm (4.6 in) over 11 days, and higher humidity at 81%. For more details on the weather patterns in May, you can visit Yokohama weather in May.
April and June present distinct shifts in weather patterns. April, with its cooler temperatures, sees a minimum of 4°C (40°F) and averages around 15°C (58°F), with maximums reaching 23°C (74°F). It also experiences significant rainfall, totaling 116 mm (4.6 in) over about 10 days, alongside a humidity level of 74%. In contrast, June brings warmer weather, with minimum temperatures rising to 16°C (61°F) and average highs of 22°C (72°F) and max temperatures peaking at 29°C (85°F). The month is wetter, with precipitation increasing to 161 mm (6.3 in) over 13 days, and humidity levels rising to 88%. For more detailed information, you can check out Yokohama weather in June.
April weather is characterized by mild temperatures, with a minimum of 4°C (40°F) and a maximum of 23°C (74°F), averaging around 15°C (58°F). The month sees a fair amount of precipitation, totaling 116 mm (4.6 in) over about 10 days, and the humidity hovers at a comfortable 74%. In contrast, July brings significantly warmer conditions, with temperatures ranging from a minimum of 19°C (66°F) to a scorching maximum of 35°C (95°F) and an average of 26°C (78°F). The summer month experiences higher rainfall, accumulating 209 mm (8.2 in) over 16 days, alongside elevated humidity levels at 93%. For more details, check out Yokohama weather in July.
April and August present contrasting weather patterns, with April experiencing cooler temperatures that range from a minimum of 4°C (40°F) to a maximum of 23°C (74°F). The average temperature during this month is around 15°C (58°F), accompanied by considerable precipitation of 116 mm (4.6 in) over approximately 10 rainy days, alongside a humidity level of 74%. In contrast, August boasts a much warmer climate, with temperatures starting at a minimum of 20°C (68°F) and peaking at 34°C (93°F), averaging around 28°C (82°F). While precipitation in August is slightly lower at 104 mm (4.1 in) over 12 days, humidity rises to 90%, making it a more humid month overall. For more detailed information on August weather specifics, you can visit Yokohama weather in August.
April and September present contrasting weather conditions. In April, temperatures range from a chilly minimum of 4°C (40°F) to a pleasant maximum of 23°C (74°F), with an average of 15°C (58°F). Despite a relatively mild temperature, April sees considerable rainfall, totaling 116 mm (4.6 in) over about 10 days, accompanied by a humidity level of 74%.
In contrast, September experiences significantly warmer weather, with minimum temperatures starting at 16°C (60°F) and averaging 24°C (76°F), soaring to a maximum of 32°C (90°F). However, this month is also wetter, with precipitation reaching 187 mm (7.4 in) across 16 days and a higher humidity of 86%. For further details about September's climate, you can visit Yokohama weather in September.
April and October present contrasting weather patterns as the seasons transition. In April, temperatures start to rise from a minimum of 4°C (40°F) to a pleasant average of 15°C (58°F), peaking at a maximum of 23°C (74°F). The month experiences relatively lesser rainfall, with 116 mm (4.6 in) over approximately 10 days and a humidity level of 74%. In contrast, October showcases warmer temperatures, with a minimum of 11°C (52°F) and an average of 19°C (67°F), reaching a high of 28°C (83°F). However, this month brings significantly more rainfall, totaling 266 mm (10.5 in) across 16 rainy days, alongside increased humidity at 83%. For a closer look at what to expect, you can check Yokohama weather in October.
April and November share similar temperature ranges, with both months experiencing minimums around 4°C (40°F) and maximums peaking at 23°C (73-74°F). However, April tends to be slightly warmer on average with a temperature of 15°C (58°F) compared to November's average of 14°C (58°F). Precipitation levels are higher in April at 116 mm (4.6 in) over 10 days, while November sees less rain at 87 mm (3.4 in) across 11 days. Additionally, humidity is a touch higher in November at 80%, compared to April's 74%. For more details about the weather in November, you can check Yokohama weather in November.
April and December present distinctly different weather patterns. In April, temperatures range from a minimum of 4°C (40°F) to a maximum of 23°C (74°F), with an average temperature of 15°C (58°F). This month experiences higher precipitation levels, totaling 116 mm (4.6 in) across approximately 10 days, and humidity sits at a comfortable 74%. In contrast, December offers cooler temperatures, with a minimum of 0°C (33°F) and an average of 9°C (49°F), peaking at 21°C (70°F). Although December has lower precipitation, measuring only 64 mm (2.5 in) over about 7 days, humidity is slightly higher at 78%. For more detailed information, you can visit Yokohama weather in December.
April in Yokohama is a delightful transition into spring, marked by mild temperatures and a significant increase in humidity compared to the preceding months. With average highs reaching around 23°C and a pleasant average of 15°C, the weather invites outdoor exploration, despite the occasional rainfall that sweeps through on about 10 days of the month. This blend of sunshine and showers enhances the blooming greenery, making it a beautiful time to visit. For a comprehensive look at how Yokohama’s weather holds up throughout the year, check out Yokohama Climate.