Last updated: August 21, 2025
In April, Amami, Japan experiences a pleasant shift in weather as temperatures begin to warm. The maximum temperature reaches 25°C (78°F), while the average settles at 20°C (68°F), offering a comfortable climate for outdoor activities. However, the month also brings about 121 mm (4.8 in) of rainfall over 12 days, contributing to a humidity level of 82% that adds to the lush and vibrant scenery of the region. This combination of warmth and moisture creates an ideal environment for exploring Amami's unique natural beauty during this time of year.
In April, Amami, Japan, experiences a delightful shift in temperature as spring fully blooms, with minimums averaging around 13°C (56°F) and averages reaching 20°C (68°F). This month marks a transition into warmer days, with maximum temperatures peaking at 25°C (78°F). Compared to the preceding months, April heralds a noticeable warmth, about 2°C warmer than March’s averages, encouraging both locals and visitors to embrace the outdoors. As the landscape awakens with vibrant blossoms, the inviting weather makes it an ideal time for exploring the island's natural beauty and cultural treasures.
In April, Amami experiences a notable blend of rainfall, receiving 121 mm (4.8 in) over the month across approximately 12 days of precipitation. This marks a slight decrease from March's wetter conditions, which delivered 159 mm (6.3 in) across more days, indicating a transition towards drier patterns as spring progresses. However, the moisture persists, paving the way for vibrant flora. As the month leads into May, which averages 213 mm (8.4 in), the anticipation of heavier rainfall heightens, showcasing Amami's characteristic wetness that defines the region’s lush landscapes. Overall, April serves as a bridge, balancing the tail-end of spring showers while setting the stage for the robust monsoon season just around the corner.
In April, Amami, Japan, experiences a notable rise in humidity, reaching 82%—the start of a pattern that signals the transition to the humid summer months. This increase follows a moderate March at 76%, as spring brings a gradual moisture buildup in the atmosphere. The trend continues into May, where humidity peaks at 84%, foreshadowing the hot and sticky days of June and July. Overall, the April humidity hints at the approaching intensity of Amami's climate, linking the gentle warmth of spring to the sweltering summers ahead.
In April, Amami, Japan, experiences an extreme UV Index of 12, indicating a significant rise in sun intensity that calls for increased caution. This is consistent with the trend seen since March, where the UV Index escalated from a challenging 11 to the current level, mirroring the peak conditions of May and anticipated high values in June. With a burn time of only 10 minutes, it's crucial for residents and visitors alike to take protective measures when outdoors. As the days grow sunnier, staying vigilant against UV exposure is essential for maintaining skin health. For more detailed insights on UV levels throughout the year, visit Amami UV Index.
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April brings a delightful surge of sunshine to Amami, Japan, with 262 hours of bright rays gracing the island. This increase reflects a steady climb in daylight hours, following a promising start in March with 236 hours. As spring unfolds, the sunshine in April is just a precursor to the peak summer brightness experienced in July and August, where the island basks in over 300 hours of sun. This vibrant transition signifies not only the beauty of the blooming season but also the warm embrace of nature in Amami, making April a particularly captivating time for both residents and visitors alike.
In Amami, Japan, the likelihood of sunny weather experiences a gentle rise as the seasons shift, with April maintaining a 35% chance of sunshine. This figure aligns with the 35% recorded in March, suggesting a consistent, albeit modest, expectation for clear days as spring unfolds. As temperatures begin to warm, April's sunny prospects stand in stark contrast to the distinctly lower chances seen in winter months, such as January and February, which hover around 29% and 37% respectively. Interestingly, the sunny likelihood dips significantly in May, plummeting to 19%, indicating that those seeking warmth and sunshine might find April to be one of the last reliable months before the rainy season settles in. Thus, if you’re planning a visit, April offers a pleasant window for sun-soaked experiences in this beautiful region.
As spring unfolds in Amami, Japan, April brings a delightful increase in daylight duration, extending to 12 hours. This gradual climb from 10 hours in January to 11 hours in both February and March showcases the arrival of longer days, a prelude to the vibrant months ahead. Following April, May continues this upward trend, reaching 13 hours of daylight, which remains consistent through the summer months. As the year progresses, daylight begins to taper off in late summer and fall, yet the extended hours of sunlight in spring and early summer invite longer days filled with warmth and activity, offering a lush and lively experience in Amami.
In April, the breezes of Amami, Japan pick up slightly, boasting an average wind speed of 7.6 m/s (17 mph), making it a refreshing transition from the calmer March winds. This month sits comfortably between the stronger gusts of February and the lighter breezes of May, reflecting a gentle swing in seasonal dynamics. While the winds begin to ease towards the late spring and summer months, with May and June averaging only 5.6 m/s and 5.5 m/s respectively, April still carries the invigorating essence of passing winter, allowing locals and visitors alike to relish the vibrant energy of nature as the landscape awakens.
Weather in Amami varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Amami, focusing on differences in temperature, rainfall, humidity, and UV levels.
April generally experiences warmer temperatures compared to January, with average highs reaching up to 25°C (78°F) versus January's 22°C (72°F). The minimum temperature in April is also slightly higher at 13°C (56°F) compared to January's 10°C (50°F). However, April tends to be wetter, receiving 121 mm (4.8 in) of precipitation over 12 days, while January has 98 mm (3.9 in) of precipitation, also spread over 12 days. Additionally, the humidity in April is higher at 82%, compared to January's 72%. For more detailed information, you can check Amami weather in January.
April typically features warmer temperatures compared to February, with an average of 20°C (68°F) versus February's 16°C (61°F). The maximum temperature in April can rise to 25°C (78°F), while February's peak is 23°C (73°F). Both months experience significant rainfall, with April receiving 121 mm (4.8 in) over 12 days and February recording 114 mm (4.5 in) over 14 days. However, April's humidity is notably higher at 82%, compared to February's 70%. For more detailed information on February conditions, you can check Amami weather in February.
April's weather shows a slight improvement in average temperatures, with a minimum of 13°C (56°F), an average of 20°C (68°F), and a maximum of 25°C (78°F). In contrast, March has a similar minimum of 13°C (55°F) but a lower average of 18°C (65°F) and a maximum of 23°C (73°F). While April experiences slightly less precipitation at 121 mm (4.8 in) over 12 days, March is wetter, with 159 mm (6.3 in) over 15 days. Additionally, April's humidity is higher at 82%, compared to March's 76%. For more detailed insights on weather patterns, you can check Amami weather in March.
April and May showcase a transition in weather patterns. In April, temperatures range from a minimum of 13°C (56°F) to a maximum of 25°C (78°F), with an average of 20°C (68°F). The month sees moderate precipitation of 121 mm (4.8 in) over 12 days, coupled with a relatively high humidity level of 82%. In contrast, May experiences warmer conditions, with temperatures ranging from a minimum of 18°C (65°F) to a maximum of 27°C (80°F) and an average of 23°C (73°F). However, May is also wetter, recording 213 mm (8.4 in) of rainfall over 16 days, resulting in slightly higher humidity at 84%. For more details on this month's weather, you can visit Amami weather in May.
April and June present notable differences in weather, with April experiencing milder temperatures and less rainfall compared to June. In April, temperatures range from a minimum of 13°C (56°F) to a maximum of 25°C (78°F), with an average of 20°C (68°F). This month receives about 121 mm (4.8 in) of rain over roughly 12 days and maintains a humidity level of 82%. In contrast, June sees warmer temperatures, with a minimum of 20°C (69°F) and a maximum of 28°C (83°F), averaging 25°C (78°F). However, June is significantly wetter, accumulating 433 mm (17.0 in) of precipitation across approximately 20 days, along with a marginally higher humidity of 87%. For more specific information, you can check Amami weather in June.
In April, the weather is generally mild, with temperatures ranging from a minimum of 13°C (56°F) to a maximum of 25°C (78°F). The month experiences around 121 mm (4.8 in) of precipitation over approximately 12 days, accompanied by a humidity level of 82%. In contrast, July brings significantly warmer temperatures, with a minimum of 24°C (76°F) and a peak reaching 31°C (87°F). The humidity rises to 89% and precipitation increases to 185 mm (7.3 in) across about 13 days. For more insights into the summer climate, you can check out Amami weather in July.
April and August present a stark contrast in weather conditions. In April, temperatures range from a mild 13°C (56°F) at night to a pleasant average of 20°C (68°F) during the day, with maximum temperatures reaching 25°C (78°F). The month sees considerable rainfall, totaling 121 mm (4.8 in) over 12 days, accompanied by humidity at 82%. In contrast, August experiences much warmer temperatures, with a minimum of 25°C (77°F), an average of 28°C (83°F), and highs of 31°C (87°F). Rainfall increases to 193 mm (7.6 in) spread over 14 days, while humidity levels also remain fairly high at 84%. For more detailed insights on August weather, check out Amami weather in August.
April and September present strikingly different weather patterns. In April, temperatures range from a minimum of 13°C (56°F) to a maximum of 25°C (78°F), with an average of 20°C (68°F). The month is characterized by relatively high humidity at 82% and receives about 121 mm (4.8 in) of precipitation over approximately 12 days. In contrast, September features much warmer temperatures, with a minimum of 24°C (75°F), an average of 27°C (82°F), and a maximum of 30°C (87°F). However, it also sees increased rainfall, totaling 223 mm (8.8 in) across about 20 days, while maintaining a slightly lower humidity level of 81%. For more details on the weather in September, visit Amami weather in September.
April and October offer distinct weather experiences. In April, the temperatures range from a minimum of 13°C (56°F) to a maximum of 25°C (78°F), with an average of 20°C (68°F). This month sees considerable precipitation, with 121 mm (4.8 in) falling over approximately 12 days, accompanied by high humidity at 82%. In contrast, October enjoys warmer temperatures, with a minimum of 20°C (68°F) and a maximum of 28°C (83°F), averaging 25°C (77°F). Rainfall is slightly higher in October, totaling 151 mm (5.9 in) over about 14 days, while humidity remains relatively comfortable at 79%. For more details on the October climate, check out Amami weather in October.
April and November exhibit similar climates, with both months experiencing the same average precipitation of 121 mm (4.8 in) over 12 days. However, April has slightly lower temperatures, ranging from a minimum of 13°C (56°F) to a maximum of 25°C (78°F), compared to November’s range of 16°C (62°F) to 26°C (78°F). Additionally, April is characterized by higher humidity at 82%, while November’s humidity is a more comfortable 77%. For more detailed information, you can check Amami weather in November.
April and December showcase relatively mild temperatures, with averages hovering around 20°C (68°F) and 18°C (65°F) respectively. Both months experience a maximum temperature of 25°C (77°F), but April tends to be slightly warmer overall. Precipitation in April is substantial at 121 mm (4.8 in) over 12 days, while December sees a bit more rain, totaling 125 mm (4.9 in) across 16 days. Notably, humidity levels are higher in April at 82%, compared to December's more comfortable 74%. For more detailed weather information in December, you can check Amami weather in December.
As April arrives in Amami, the weather begins to transition towards warmer days, setting itself apart from the cooler months of winter. With average temperatures rising, you'll experience pleasant days that invite outdoor activities, yet the occasional rain, which falls on nearly half the month, reminds us of the island's lush environment. The high humidity, reaching around 82%, adds a tropical touch, making the air feel soft and alive. This delightful blend of warmth and moisture creates an invigorating atmosphere, ideal for enjoying Amami's stunning landscapes. For more detailed insights into the climate, visit Amami Climate.