Last updated: August 21, 2025
In April, Okinawa, Japan, experiences a delightful swing in temperatures, with highs reaching 26°C (79°F) and lows dropping to 15°C (60°F), resulting in a comfortable average of 21°C (71°F). Visitors can expect a humid atmosphere with a relative humidity of around 82%, creating a tropical feel perfect for outdoor activities. Although this month sees an average rainfall of 137 mm (5.4 in) over 11 days, the bursts of rain often provide a refreshing contrast to the warm weather, making it an ideal time to explore the lush landscapes and vibrant culture of Okinawa.
In April, Okinawa experiences a delightful transition into warmer weather, with temperatures showing a steady rise from the cooler months. The minimum temperature begins at a pleasant 15°C (60°F), gradually climbing to an average of 21°C (71°F) during the day, peaking at 26°C (79°F). This makes it an ideal time for outdoor adventures and enjoying the island's beautiful landscapes. Compared to the previous months, April marks a significant increase in warmth, offering a refreshing change as the region prepares for the heat of summer. With the comforting sun and mild breezes, it sets the perfect stage for vibrant spring activities and cultural experiences in this tropical paradise.
In April, Okinawa experiences a notable increase in precipitation, with an impressive 137 mm (5.4 in) of rain spread over 11 days. This marks a significant leap from the preceding months, highlighting April as a pivotal transition point toward the region's wetter season. As spring deepens, the rainfall paves the way for lush greenery and vibrant blooms, embodying the island's natural beauty. While March recorded 107 mm (4.2 in), the jump to April's totals not only reflects the shift in seasonal patterns but also sets the stage for the even heavier rains anticipated in May and June, where monthly totals soar beyond 200 mm. Thus, April stands out not just for its rainfall but for heralding the rich, tropical atmosphere that characterizes Okinawa's climate.
In April, Okinawa begins to feel the full arrival of the humid season, with humidity levels rising to 82%. Following a gradual increase from 76% in March, this month marks a noticeable leap, setting the stage for the even higher humidity levels that come in May and June, which peak at 84% and 86%, respectively. This trend underscores Okinawa's transition from the milder air of winter to the lush, tropical warmth of summer. As the weeks progress, the island embraces a more humid climate, inviting visitors to experience its vibrant scenery amid the rising moisture.
In April, Okinawa experiences a UV Index of 12, categorized as extreme, with a burn time of just 10 minutes. This marks a notable increase from earlier months, where the UV Index ranged from 7 in January to 11 in March. As the region transitions into the peak of spring, the persistent rise in UV levels signals a clear trend toward heightened sun exposure risks. Such extreme values are maintained through May and into June, underscoring the need for vigilant sun protection. Visitors and residents alike should take heed, as the sun's intensity can lead to quick sunburns if precautions aren’t taken. For more detailed information, check the comprehensive guide at Okinawa UV Index.
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April in Okinawa, Japan, welcomes the arrival of warm sunshine and longer days, as the island basks in 269 hours of sunlight. This month marks a slight increase from March’s 268 hours, setting the stage for the vibrant energy of spring. The steady rise in sunny hours leading up to April indicates the transition into a brighter season, with the sun steadily warming up throughout the year. Following April, May shines even brighter with a dazzling 305 hours, showcasing Okinawa's flourishing atmosphere as nature awakens. As the days grow longer, each month paints a picture of increasing daylight, making the allure of Okinawa irresistible for those seeking sun-soaked adventures.
In Okinawa, Japan, the likelihood of sunny weather experiences some intriguing shifts throughout the year. As winter gives way to spring, April offers a moderate 39% chance of sunshine, slightly dipping from the 46% seen in March. This trend indicates that while the warmth of spring is on the horizon, variability in weather can still bring cloudy days. In contrast, the summer months plunge into lower probabilities, with June dropping to just 9%, which emphasizes the transition to Okinawa's rainier season. This pattern highlights April as a sweet spot, where visitors can still enjoy nearly four in ten days bathed in sunlight, setting the stage for delightful outdoor adventures before the sultry heat and humidity settle in.
As spring unfolds in Okinawa, Japan, April witnesses a continuation of the gradual increase in daylight that began in earlier months. With 12 hours of daylight, this month maintains the same balance seen in March, offering a harmonious blend of light and warmth. Following the transition from winter's shorter days, the light begins to intensify — a trend that continues into May, where daylight stretches to an inviting 13 hours. This emerging rhythm not only enhances vibrant outdoor activities but also heralds the approach of summer, as the island becomes a canvas for longer sunny days ahead. As daylight extends, residents and visitors alike can enjoy the beauty of Okinawa in its blossoming glory.
As April arrives in Okinawa, Japan, the island experiences a refreshing upswing in wind speed, averaging 7.6 m/s (17 mph). This marks a notable increase from the gentler breezes of March, which lingered around 5.9 m/s (13 mph). The month sets the stage for a transition into the warmer season, where winds are consistent yet invigorating. Following April, the gusts of May slightly dip to 6.3 m/s (14 mph), reminding us of the island's rhythmic ebb and flow. Notably, October and November emerge as the peak months with wind speeds soaring to 7.9 m/s (18 mph), allowing a sweet return to the brisk air before winter settles in. With these trends, April stands out as a time of revival, where the winds breathe new life into Okinawa’s vibrant landscapes.
Weather in Okinawa varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Okinawa, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather of April and January, April tends to be warmer and more humid. With average temperatures ranging from a minimum of 15°C (60°F) to a maximum of 26°C (79°F), April experiences a more pleasant climate than January, which has average temperatures from 12°C (54°F) to 24°C (75°F). Additionally, April sees increased rainfall, receiving 137 mm (5.4 in) of precipitation over 11 days, while January receives less at 91 mm (3.6 in) during the same number of days. The humidity also rises in April to 82%, compared to January’s 71%. For more details, check out the full statistics here: Okinawa weather in January.
April typically offers warmer temperatures compared to February, with average daily highs reaching 26°C (79°F) in April versus 24°C (76°F) in February. The minimum temperatures in April also show a slight increase, averaging at 15°C (60°F) compared to February's 12°C (54°F). However, April experiences higher precipitation levels, with 137 mm (5.4 in) falling over 11 days, contrasting with February's 97 mm (3.8 in) over 12 days. Additionally, humidity is noticeably higher in April at 82%, compared to February's 71% humidity. For a more detailed look at February's weather, you can visit Okinawa weather in February.
In comparing the weather between March and April, April tends to be slightly warmer, with average temperatures rising from 20°C (68°F) in March to 21°C (71°F). The maximum temperatures also increase, peaking at 26°C (79°F) in April compared to 24°C (76°F) in March. However, April experiences more rainfall, with precipitation reaching 137 mm (5.4 in) over 11 days, while March has 107 mm (4.2 in) over the same number of days. Humidity levels are also higher in April at 82%, compared to 76% in March. For more detailed insights on March weather, you can check Okinawa weather in March.
In comparing the weather of April and May, April tends to have milder temperatures with a minimum of 15°C (60°F) and an average of 21°C (71°F), while May shows a noticeable increase with a minimum of 19°C (67°F) and an average of 24°C (76°F). Precipitation also rises from 137 mm (5.4 in) over 11 days in April to 208 mm (8.2 in) across 12 days in May, indicating that May is slightly wetter. Additionally, humidity levels see a minor increase, with April at 82% and May at 84%. For a more detailed look at the climate specifics in May, you can visit Okinawa weather in May.
April and June present contrasting weather patterns. In April, temperatures range from a mild 15°C (60°F) at night to a comfortable 26°C (79°F) during the day, with an average temperature of 21°C (71°F). However, this month also experiences considerable rainfall, totaling 137 mm (5.4 in) over 11 days and high humidity at 82%. In contrast, June brings warmer temperatures, with nighttime lows of 21°C (70°F) and daytime highs reaching up to 29°C (84°F), averaging 26°C (80°F). Precipitation is significantly higher in June, totaling 302 mm (11.9 in) across 19 rainy days, accompanied by slightly increased humidity at 86%. For more specific insights on June weather, you can check Okinawa weather in June.
In April, the weather in Okinawa brings milder temperatures, with a minimum of 15°C (60°F) and an average of 21°C (71°F), peaking at 26°C (79°F). However, this month is also marked by significant rainfall, averaging 137 mm (5.4 in) over 11 days and humidity levels at 82%. In contrast, July ushers in warmer conditions, featuring minimum temperatures of 26°C (78°F) and an average high of 30°C (87°F), with a slightly higher average rainfall of 192 mm (7.6 in) over 13 days. This month experiences increased humidity at 86%, making it feel even warmer. For more detailed information on the weather during this month, you can check Okinawa weather in July.
April and August in Okinawa present distinctly 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). The month experiences significant rainfall, accumulating 137 mm (5.4 in) over about 11 days, while humidity remains high at 82%. In contrast, August brings warmer conditions, with temperatures ranging from a minimum of 26°C (78°F) to a maximum of 30°C (87°F) and an average of 28°C (83°F). August is also wetter, with 205 mm (8.1 in) of precipitation over 17 days, maintaining the same high humidity level of 82%. For more details about August weather in Okinawa, visit Okinawa weather in August.
April and September in Okinawa present contrasting weather patterns. April features milder temperatures, with averages ranging from a minimum of 15°C (60°F) to a maximum of 26°C (79°F), accompanied by an average precipitation of 137 mm (5.4 in) over 11 days. In comparison, September is significantly warmer, with minimum temperatures starting at 24°C (75°F) and reaching up to 30°C (87°F) on average, along with a noticeable increase in rainfall to 253 mm (10.0 in) over 19 days. Despite both months sharing a humidity level of 82%, the overall weather in September is characterized by higher heat and wetter conditions. For more details, you can check Okinawa weather in September.
In April, the weather features pleasant temperatures ranging 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 is moderately wet, with about 137 mm (5.4 in) of rainfall spread over 11 days and a humidity level of 82%. In contrast, October experiences slightly higher temperatures, with a minimum of 21°C (71°F) and a maximum of 29°C (84°F), averaging at 26°C (79°F). Although October tends to be wetter, with 160 mm (6.3 in) of rain over 13 days, the humidity is slightly lower at 80%. For more detailed information, you can check Okinawa weather in October.
In comparing the weather of April and November, both months experience relatively warm temperatures, but April is slightly cooler overall. In April, the minimum temperature averages around 15°C (60°F), while November has a higher minimum at 19°C (67°F). The average temperature in April is 21°C (71°F), in contrast to November's average of 23°C (74°F), with both months peaking near similar maximum temperatures of 26°C (79°F) in April and 27°C (80°F) in November.
Precipitation levels also differ slightly, with April receiving more rain (137 mm or 5.4 in) compared to November's 103 mm (4.1 in), although both months feature approximately 11 days of rainfall. Humidity is comparable as well, with April at 82% and November slightly lower at 79%. For more detailed information, you can check Okinawa weather in November.
April and December in Okinawa exhibit similar temperature ranges but differ notably in precipitation and humidity. In April, the minimum temperature averages around 15°C (60°F), peaking at 26°C (79°F), with an average of 21°C (71°F). The month experiences about 137 mm (5.4 in) of rainfall over 11 days, contributing to a relatively high humidity level of 82%. In contrast, December showcases slightly lower temperatures, with a minimum of 14°C (58°F) and a maximum of 25°C (78°F), averaging 20°C (69°F). However, December is wetter, with total precipitation reaching 188 mm (7.4 in) over 16 days, and the humidity is more moderate at 75%. For a more detailed look at December’s weather, check out Okinawa weather in December.
April in Okinawa ushers in a delightful transition as temperatures begin to warm, offering a pleasant average of 21°C (71°F) amid a backdrop of high humidity. Compared to the chillier months preceding it, April's weather invites more outdoor activities, though occasional rain showers—totalling around 137 mm over about 11 days—remind residents and visitors alike of the island's tropical charm. This month serves as a bridge to the summer heat, striking a perfect balance for those looking to explore the vibrant culture and stunning natural beauty of Okinawa. Dive deeper into what makes Okinawa's climate unique by checking out Okinawa Climate.