Last updated: August 21, 2025
April in Naha, Japan, brings a delightful blend of warmth and moisture, with maximum temperatures reaching 26°C (79°F) and an average of 21°C (71°F). As spring unfolds, residents and visitors can expect a refreshing minimum temperature of 15°C (60°F), perfect for outdoor activities. However, with 137 mm (5.4 in) of rain over 11 days, occasional showers are a common feature, contributing to the area's lush landscapes. Humidity levels hover around 82%, creating a tropical ambiance that enhances the beauty of this vibrant city. Embrace the pleasant weather while exploring Naha's rich culture and stunning scenery!
In April, Naha, Japan, experiences a delightful transition towards warmer weather, with temperatures ranging from a low of 15°C (60°F) to a comfortable high of 26°C (79°F). The average temperature of 21°C (71°F) marks a noticeable increase from the previous months, indicating the arrival of spring and beckoning visitors to enjoy the blooming landscapes. As the days grow longer and warmer, the city's vibrant atmosphere comes alive, making it an ideal time for outdoor activities. This gradual warming trend continues into May, hinting at the summer heat that will soon envelop the region. Overall, April in Naha offers a refreshing and inviting climate, perfect for exploring the scenic beauty and rich culture of this island paradise.
April marks a significant transition in Naha, Japan, as the city experiences a notable increase in precipitation, totaling 137 mm (5.4 in) over 11 days. This uptick in rainfall paves the way for the lush greenery that characterizes the region in spring. Compared to the preceding months, April's precipitation shows a clear upward trend, following March's 107 mm (4.2 in), and acts as a precursor to the much larger deluge expected in May, which averages 208 mm (8.2 in). As the rainy season approaches, residents and visitors alike begin to notice the vibrant landscapes emerging, a welcome sight that underscores the seasonal shift towards warmer temperatures and more humid conditions ahead.
In April, Naha, Japan experiences a notable increase in humidity, reaching 82%—a significant jump from 76% in March. This upward trend is part of a larger pattern, as humidity levels gradually intensify throughout the spring, leading into the sultry summer months. By May, Naha's humidity climbs even higher to 84%, signaling the start of the region's more tropical climate. The consistent rise in moisture levels from January's 71% to April's peak reflects the shift towards a warm and humid season, offering a preview of the stickier conditions that will become the norm as summer approaches.
In April, Naha, Japan, experiences a dramatic rise in UV exposure, with a UV Index peaking at 12, placing it firmly in the extreme category. This marks a small but notable increase from March’s Index of 11, illustrating a trend of intensifying sunlight as spring unfolds. With a burn time of just 10 minutes, it’s essential for residents and visitors alike to adopt protective measures against potential skin damage when spending time outdoors. As temperatures rise in the following months, maintaining awareness of UV levels will be crucial for safe outdoor enjoyment. For more detailed information, check out the Naha UV Index.
UV Risk Categories
April in Naha, Japan, ushers in a delightful transition, boasting 269 hours of sunshine that enhances the island’s vibrant landscape. As winter fades, the sunshine hours steadily increase, with a notable jump from 268 hours in March, signaling the approach of warmer days. This trend continues as May steps in, promising even 305 hours of golden rays. The consistent rise from winter's chill to the sun-drenched months of summer emphasizes Naha's allure, making April a beautiful prelude to the sun-drenched adventures awaiting in the heart of spring. As the sunshine hours peak through the summer months, Naha blossoms into a paradise, showcasing the charm of seasonal change.
April in Naha, Japan, brings a moderate chance of sunny weather, with about 39% of the days likely to bask in sunlight. This marks a slight dip from the sunnier March, which enjoys a 46% chance, but still outshines the consistently dreary June, where sunny moments plummet to just 9%. As spring unfolds, April's weather hints at a transition, with sunny days becoming less predictable compared to the brighter late winter and early spring months. Looking ahead, May's forecast drops further to 30%, suggesting that while April remains enjoyable, it serves as a bridge as we approach the rainier summer season. Overall, April offers a pleasant mix of sun and shade, perfect for enjoying the burgeoning beauty of nature as it awakens.
As spring unfolds in Naha, Japan, April brings with it a continuation of the 12 hours of daylight, matching the previous month, March. This consistent daylight duration signals the transition into a warmer season, setting the stage for the increasing lengths of daylight that characterize May and the subsequent summer months. After April, daylight stretches to 13 hours in May, offering longer evenings filled with natural light. This upward trend in daylight extends through the summer, before gradually tapering off in the fall. Overall, April serves as a delightful bridge between the cooler winter months and the vibrant summer ahead, promising longer days filled with sun.
In April, the wind in Naha, Japan picks up slightly with an average speed of 7.6 m/s (17 mph), marking a notable increase from the calmer breezes of March, which averaged 5.9 m/s (13 mph). As spring unfolds, this gentle rise hints at the transitional nature of the season, bridging the coolness of winter and the warmth of summer. Following April, the wind speed remains relatively consistent, peaking again in July at 7.5 m/s (17 mph), suggesting that while summer introduces warmth, it does not significantly alter wind patterns. Notably, the winds return to their briskest by October and November, both averaging 7.9 m/s (18 mph), illustrating a trend of invigorating breezes that characterize the changing seasons in this vibrant coastal city.
Weather in Naha varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Naha, focusing on differences in temperature, rainfall, humidity, and UV levels.
April generally offers warmer temperatures compared to January, with average highs reaching up to 26°C (79°F) versus January's average maximum of 24°C (75°F). While January starts with a slightly cooler minimum temperature of 12°C (54°F), April's minimum is a milder 15°C (60°F). However, April also sees more precipitation, with 137 mm (5.4 in) falling over 11 days, contrasted with January's 91 mm (3.6 in) over the same number of days. Additionally, the humidity is higher in April at 82%, compared to January's 71%. This makes April feel much more tropical, while January is relatively drier and cooler. For more specific details on January weather, you can check Naha weather in January.
April generally offers warmer temperatures compared to February, with average readings of 21°C (71°F) in April versus 19°C (66°F) in February. The maximum temperatures in April reach up to 26°C (79°F), while February sees a high of 24°C (76°F). Precipitation is more abundant in April, totaling 137 mm (5.4 in) over 11 days, compared to February's 97 mm (3.8 in) across 12 days. Additionally, April's humidity is higher at 82%, compared to 71% in February. For more detailed information on the weather in February, you can visit this link: Naha weather in February.
In comparing the weather between March and April, April generally experiences slightly warmer temperatures, with averages rising from 20°C (68°F) in March to 21°C (71°F). The minimum temperature only increases marginally, from 14°C (57°F) in March to 15°C (60°F) in April, while the maximum temperature reaches 26°C (79°F) in April, compared to 24°C (76°F) in March. Additionally, April sees an increase in precipitation, with 137 mm (5.4 in) falling over 11 days, compared to March's 107 mm (4.2 in) over the same number of days. The humidity also rises in April to 82%, compared to March’s 76%. For more details about the weather in March, you can check Naha weather in March.
April and May showcase a transition in weather patterns, with May generally offering warmer temperatures. In April, the minimum temperature hovers around 15°C (60°F), while the average temperature is 21°C (71°F), peaking at 26°C (79°F). This month experiences a notable amount of rainfall with 137 mm (5.4 in) over 11 days and an average humidity of 82%. In contrast, May presents a rise in temperatures, featuring a minimum of 19°C (67°F) and an average of 24°C (76°F), reaching a maximum of 27°C (82°F). However, May also brings increased precipitation, accumulating 208 mm (8.2 in) over 12 days, alongside slightly higher humidity at 84%. For more detailed weather forecasts, you can visit Naha weather in May.
April and June present distinct weather patterns, with April experiencing milder temperatures and a significant amount of rainfall. In April, temperatures range from a minimum of 15°C (60°F) to a maximum of 26°C (79°F), with an average of 21°C (71°F) and total precipitation of 137 mm (5.4 in) over 11 days. The humidity levels stay relatively high at 82%.
In contrast, June sees warmer temperatures, with a minimum of 21°C (70°F), an average of 26°C (80°F), and a high of 29°C (84°F). However, it also brings increased rainfall, with precipitation reaching 302 mm (11.9 in) over 19 days, and humidity slightly rising to 86%. This shift in both temperature and precipitation highlights the transition into the summer months. For more details, check out Naha weather in June.
In April, temperatures in Naha typically range from a mild 15°C (60°F) at night to a pleasant average of 21°C (71°F) during the day, with maximums reaching up to 26°C (79°F). April experiences a good amount of rainfall, totaling 137 mm (5.4 in) over 11 days, and humidity sits at a comfortable 82%. In contrast, July brings much warmer conditions, with minimum temperatures starting at a balmy 26°C (78°F) and averaging around 28°C (83°F), peaking at 30°C (87°F). July also sees increased precipitation, with 192 mm (7.6 in) falling over 13 days, resulting in a slightly higher humidity level of 86%. For more detailed insights about July weather, check out Naha weather in July.
April and August offer distinct weather experiences. In April, temperatures range from a pleasant minimum of 15°C (60°F) to a maximum of 26°C (79°F), with an average of 21°C (71°F). The month sees considerable rainfall, accumulating 137 mm (5.4 in) over 11 days, and maintains a high humidity level of 82%. In contrast, August is notably warmer, with temperatures varying from a minimum of 26°C (78°F) to a peak of 30°C (87°F), averaging 28°C (83°F). It also experiences increased precipitation, totaling 205 mm (8.1 in) over 17 days, while humidity remains at 82%. For more details on weather patterns during this month, you can visit Naha weather in August.
April and September present distinct weather patterns that characterize the transition between spring and autumn. In April, temperatures range from a minimum of 15°C (60°F) to a maximum of 26°C (79°F), with an average of 21°C (71°F). This month experiences considerable rainfall, with 137 mm (5.4 in) over 11 days, while maintaining a consistent humidity level of 82%. In contrast, September is warmer, featuring temperatures from a minimum of 24°C (75°F) to a maximum of 30°C (87°F), with an average of 28°C (82°F). The rainfall in September is significantly higher at 253 mm (10.0 in), spread over 19 days, although the humidity remains steady at 82%. Overall, September offers a hotter and wetter climate compared to the milder and slightly less rainy conditions of April. For more detailed information on September weather, check out Naha weather in September.
April and October exhibit noticeably different weather patterns. In April, temperatures range from a minimum of 15°C (60°F) to a maximum of 26°C (79°F), with an average of 21°C (71°F). This month sees about 137 mm (5.4 in) of precipitation over 11 days, combined with high humidity levels at 82%. In contrast, October is warmer, with minimum temperatures at 21°C (71°F) and a maximum of 29°C (84°F), averaging 26°C (79°F). While October generally receives more precipitation, totaling 160 mm (6.3 in) over 13 days, the humidity is slightly lower at 80%. For more specific details, you can check out Naha weather in October.
In comparing the weather of April and November, we see some distinct similarities and differences. April has a slightly cooler average temperature, ranging from a minimum of 15°C (60°F) to a maximum of 26°C (79°F), while November offers a warmer experience with temperatures from a minimum of 19°C (67°F) to a maximum of 27°C (80°F). Although both months have 11 days of precipitation, April receives more rainfall overall, totaling 137 mm (5.4 in), compared to November's 103 mm (4.1 in). Humidity levels remain relatively close, with April at 82% and November at 79%, contributing to a consistently warm and humid atmosphere in both months. For more specifics, you can check Naha weather in November.
April and December both exhibit mild temperatures, but they differ in precipitation and humidity levels. In April, temperatures range from a minimum of 15°C (60°F) to a maximum of 26°C (79°F), with an average of 21°C (71°F). The month experiences relatively high precipitation, totaling 137 mm (5.4 in) over 11 days, and humidity levels remain high at 82%. In contrast, December sees slightly cooler temperatures, with a minimum of 14°C (58°F) and a maximum of 25°C (78°F), averaging 20°C (69°F). However, it is wetter, receiving 188 mm (7.4 in) of rain over 16 days, while humidity decreases to 75%. For more details, you can check Naha weather in December.
As April unfolds in Naha, it marks a delightful transition with warmer temperatures compared to the cooler months preceding it. This month welcomes average highs around 26°C, embracing the vibrant essence of spring. However, the skies can be a bit moody with 137 mm of rain over 11 days, making it one of the wetter months of the year. Despite the occasional showers, the humidity averages a warm 82%, creating a lush, tropical atmosphere that invigorates the landscape. This blend of warmth and moisture sets April apart, making it an ideal time to explore the beauty of Naha before the summer heat intensifies. For a deeper dive into what to expect year-round, check out Naha Climate.