April Weather in Ogasawara, Japan

Last updated: August 21, 2025

In April, Ogasawara, Japan experiences a delightful blend of warmth and humidity, with average temperatures hovering around 21°C (70°F), and a maximum reaching up to 25°C (77°F). The month is characterized by a cozy backdrop of minimum temperatures dipping to 16°C (60°F), making it ideal for outdoor activities. However, expect some showers, as preliminary data reveals an average precipitation of 94 mm (3.7 in) over approximately 9 days. With humidity levels at a noteworthy 81%, April in Ogasawara offers a lush, vibrant environment, beckoning nature enthusiasts to explore its scenic beauty.

April Temperature in Ogasawara

In April, the temperatures in Ogasawara, Japan, mark a delightful transition into spring, with daily minimums around 16°C (60°F) and average highs reaching 25°C (77°F). This month typically experiences a comfortable warmth, as the average temperature climbs to 21°C (70°F), suggesting a pattern of gradual warming following the cooler months of January through March. As the island shakes off the chill of winter, the air becomes pleasantly crisp, inviting outdoor adventures amidst the blossoming flora. By the end of April, the climate hints at the warmer days of May, setting the stage for the vibrant summer that follows.

April Weather in Ogasawara: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Ogasawara, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ogasawara, April typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec666567707479818282807671
Data source: Temperature data for Ogasawara generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Ogasawara

April in Ogasawara, Japan, showcases a notable increase in precipitation, with 94 mm (3.7 in) of rain recorded across 9 days. This spike follows March's 69 mm (2.7 in) and sets the stage for the wetter months ahead, indicating the transition to the rainy season. As spring unfolds, April's rainfall is essential for nurturing the island's lush landscapes, paving the way for a vibrant, green summer. Notably, this month stands out for its precipitation, which significantly contributes to the cumulative totals that escalate into May and June, where totals soar further, reflecting a clear upward trend in rainfall leading into the peak of the rainy season.

April Precipitation Trends in Ogasawara

The chart displays monthly precipitation patterns in Ogasawara, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Ogasawara, April typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec5938699417816610093181158131167
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Ogasawara

In April, Ogasawara, Japan, experiences a notable rise in humidity, reaching 81%—a significant increase from 74% in March. This upward trend marks the beginning of the humid season, as the island transitions towards the sweltering months of May and June, where humidity peaks at 87% and 93%, respectively. The gradual increase in moisture levels indicates a shift towards a more tropical climate, inviting the lush vegetation to flourish. As the year progresses, humidity remains relatively high, but April acts as a key turning point, setting the stage for more humid conditions that characterize the region in the coming months.

April Average Humidity in Ogasawara

This chart illustrates the average monthly humidity levels in Ogasawara, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Ogasawara is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec69%69%74%81%87%93%88%84%85%82%80%75%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Ogasawara

In April, Ogasawara experiences a dramatic increase in the UV Index, soaring to 13, marking it as an extreme exposure category. This trend follows March's index of 11, indicating a consistent pattern of rising UV levels as spring unfolds. With a burn time of just 10 minutes, residents and visitors must take precautions, as April sustains high UV intensity similar to the preceding month and the upcoming months of May and June, which also show an index of 12 and 13, respectively. As the sun gets stronger, it’s essential to remain vigilant against UV radiation. For more detailed information, check out Ogasawara UV Index.

Maximum UV Index Levels in Ogasawara for April

The chart shows the monthly maximum UV Index (UVI) for Ogasawara in April, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In April, the maximum UV index in Ogasawara typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec79111312131312121086
Data source: Ogasawara April UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

April Sunshine in Ogasawara

April in Ogasawara, Japan, welcomes a delightful continuation of sunshine, mirroring the 270 hours recorded in March. This vibrant month resonates with the promise of spring, setting the tone for a radiant May that boasts an impressive 302 hours of sunlight. As the days grow longer and warmer, Ogasawara enjoys the sparkle of countless sunlit moments, showcasing a steady upward trend in sunshine hours from the colder months of winter. The consistency in sunlight from April through June hints at an inviting climate, perfect for exploring the natural beauty and tranquility of this remote paradise, where each ray of sunshine fosters a sense of rejuvenation and joy.

Monthly Sunshine Duration in Ogasawara: April Highlighted

The April sunshine duration represents the total number of hours Ogasawara experiences direct sunlight during the month of April, excluding cloudy or obstructed periods. This chart compares the sunshine duration of April with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec174h227h270h270h302h301h342h327h309h281h238h216h
Data source: Ogasawara April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Ogasawara During April

In Ogasawara, Japan, April marks a transitional period in terms of sunny weather, with a 32% chance of sunshine. This figure sits comfortably between the higher percentage of 47% in March and the more favorable 40% in May, indicating a slight dip as spring progresses. While April's likelihood of sun is less than that of the peak summer months — notably a significant 52% in August — it remains an attractive option for those seeking to enjoy the island's natural beauty. Overall, the weather trends in Ogasawara show a gradual increase in sunny days as the year approaches summer, making April a promising month, even if it doesn’t quite reach the heights of the sunny summer ahead.

Percentage of Sunny Days in April in Ogasawara

The chart illustrates the percentage of sunny days in Ogasawara throughout the year, with April highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Ogasawara experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec26%34%47%32%40%30%36%52%46%49%37%37%
Data source: Ogasawara April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Ogasawara in April

As spring unfolds in Ogasawara, Japan, April brings a delightful increase in daylight duration, reaching 12 hours. This marks a notable transition from the stable 11 hours observed in March, setting the stage for even longer days ahead in May with 13 hours of daylight. The gradual lengthening of days from January's 10 hours gradually ascends, reflecting the region's shift towards warmer months. After a winter of shorter days, this increase not only brightens the surroundings but also energizes the community, paving the way for vibrant outdoor activities and the blossoming of nature. The pattern of increasing daylight continues through the summer months, peaking at 13 hours from May to August, before gently tapering off as autumn approaches, culminating in a reflective cycle of light and life.

Average Daylight Hours in Ogasawara for April

The chart illustrates the variation in daylight duration in Ogasawara throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 37m11h 13m11h 59m12h 48m13h 28m13h 48m13h 38m13h 3m12h 17m11h 29m10h 48m10h 27m
Data source: Ogasawara daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Ogasawara

April in Ogasawara, Japan, ushers in a refreshing change as the average wind speed peaks at 8.0 m/s (18 mph), marking it as a notable increase from the calmer months of March and May. This vibrant wind not only invigorates the island’s atmosphere, but also signals the transition into a season filled with new energy. Following a trend of fluctuating wind patterns throughout the year, April stands out as a month where the breezy conditions are felt most acutely, as they surpass the winter and early spring averages. Interestingly, while the winds begin to mellow in May—dropping to 4.9 m/s (11 mph)—April serves as a reminder of nature's dynamic shifts, inviting both locals and visitors to embrace its spirited charm before the summer calm sets in.

Average April Wind Speed in Ogasawara

The chart displays monthly wind speed patterns in Ogasawara, with values for each month shown alongside April's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how April's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec7.47.46.68.0 m/s4.96.75.15.25.08.26.48.0
Data source: Ogasawara April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Ogasawara Compares to Other Months

Weather in Ogasawara varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Ogasawara, focusing on differences in temperature, rainfall, humidity, and UV levels.

April weather tends to be warmer and more humid compared to January. With average temperatures reaching 21°C (70°F) and a maximum of 25°C (77°F), April offers a mild climate, whereas January peaks at a slightly cooler 24°C (75°F) with an average of 19°C (66°F). Additionally, April experiences more rainfall, with 94 mm (3.7 in) over 9 days, while January has a lower precipitation total of 59 mm (2.3 in) across 8 days. The humidity in April is also higher at 81%, compared to January's 69%. For more details, check out Ogasawara weather in January.

April generally presents milder and warmer weather compared to February. With average temperatures ranging from a minimum of 16°C (60°F) to a maximum of 25°C (77°F), April enjoys a pleasant average of 21°C (70°F). In contrast, February sees slightly cooler averages, with temperatures ranging from 14°C (58°F) to 23°C (73°F), averaging 18°C (65°F). Additionally, April experiences more rainfall, with 94 mm (3.7 in) over about 9 days, compared to February’s 37 mm (1.5 in) spread across roughly 6 days. Humidity levels are also higher in April at 81%, while February maintains a lower humidity of 69%. For more details, you can check Ogasawara weather in February.

April generally experiences slightly warmer temperatures compared to March, with average temperatures rising from 20°C (68°F) in March to 21°C (70°F) in April. The maximum temperatures also increase, peaking at 25°C (77°F) in April, while March reaches a maximum of 23°C (74°F). However, April is notably wetter, with 94 mm (3.7 in) of precipitation compared to 69 mm (2.7 in) in March, and both months see rain on 9 days. Additionally, humidity levels are higher in April at 81% compared to 74% in March. For more information on March weather conditions, you can check Ogasawara weather in March.

April experiences mild weather with an average temperature of 21°C (70°F), ranging from a minimum of 16°C (60°F) to a maximum of 25°C (77°F). While the month is relatively pleasant, it does see notable precipitation of 94 mm (3.7 in) over 9 days and boasts a humidity level of 81%.

In contrast, May brings slightly warmer temperatures, with an average of 23°C (74°F) and a maximum reaching 27°C (81°F). However, this month is also wetter, receiving 178 mm (7.0 in) of rainfall across 12 days, along with increased humidity at 87%. For more detailed weather information, you can check the Ogasawara weather in May.

April and June show notable differences in weather patterns. In April, temperatures range from a minimum of 16°C (60°F) to a maximum of 25°C (77°F), with an average of 21°C (70°F). This month sees about 94 mm (3.7 in) of precipitation over 9 days, alongside a humidity level of 81%. In contrast, June experiences warmer temperatures, with a minimum of 21°C (70°F) and a maximum of 28°C (83°F), averaging 26°C (79°F). The precipitation in June increases significantly to 166 mm (6.5 in) over 13 days, accompanied by higher humidity at 93%. For more detailed insights about June weather, you can refer to Ogasawara weather in June.

April and July present contrasting weather conditions, reflecting the transition from spring to summer. In April, temperatures range from a pleasant 16°C (60°F) at night to a comfortable 25°C (77°F) during the day, with an average of 21°C (70°F). Rainfall is moderate, with 94 mm (3.7 in) over about 9 days and a humidity level of 81%. In contrast, July experiences significantly warmer temperatures, with nighttime lows of 25°C (77°F) and daytime highs reaching 29°C (85°F), averaging around 27°C (81°F). The month also sees an increase in precipitation, totaling 100 mm (3.9 in) over 14 days, accompanied by higher humidity at 88%. For more specific insights into the July conditions, you can refer to Ogasawara weather in July.

April and August present contrasting weather characteristics despite having similar precipitation levels. In April, temperatures range from a cooler minimum of 16°C (60°F) to a pleasant maximum of 25°C (77°F), with an average of 21°C (70°F) and high humidity at 81%. On the other hand, August experiences notably warmer conditions, with minimum temperatures starting at 26°C (79°F) and an average of 28°C (82°F), peaking at 29°C (85°F). Additionally, August has a slightly higher humidity of 84% and sees rainfall over 13 days, compared to 9 days in April. For more detailed insights into August weather, visit Ogasawara weather in August.

In comparing the weather between April and September, April experiences milder temperatures, with minimums around 16°C (60°F) and maximums peaking at 25°C (77°F). The month is characterized by a relatively lower average temperature of 21°C (70°F) and a notable 94 mm (3.7 in) of precipitation over approximately 9 days. In contrast, September sees warmer temperatures overall, with minimums starting at 25°C (77°F) and averaging around 28°C (82°F), reaching highs of 30°C (86°F). However, it also brings increased rainfall, totaling 181 mm (7.1 in) across about 16 days, along with slightly higher humidity at 85%. For more insights into the weather during September, you can visit Ogasawara weather in September.

April and October offer distinct weather experiences. In April, temperatures range from a minimum of 16°C (60°F) to a maximum of 25°C (77°F) with an average of 21°C (70°F). The month sees about 94 mm (3.7 in) of precipitation over 9 days, accompanied by a humidity of 81%. In contrast, October warms up with minimum temperatures of 21°C (71°F), averaging 27°C (81°F) and peaking at 29°C (85°F). This month experiences higher rainfall, with precipitation reaching 158 mm (6.2 in) over 19 days, coupled with a comparable humidity level of 82%. For more specific details on the weather during October, you can check Ogasawara weather in October.

April and November present distinct yet pleasant weather patterns. In April, temperatures range from a mild 16°C (60°F) at night to a comfortable high of 25°C (77°F) during the day, with an average of 21°C (70°F). The month experiences about 94 mm (3.7 in) of rainfall over approximately 9 days, coupled with a relatively high humidity of 81%. In contrast, November shows slightly warmer temperatures, with lows of 19°C (67°F) and highs peaking at 27°C (81°F), averaging around 24°C (76°F). However, it brings more precipitation, totaling 131 mm (5.1 in) across about 14 days, while maintaining a humidity level close to that of April at 80%. For more detailed insights, Ogasawara weather in November offers a comprehensive overview.

In April, the weather features a comfortable temperature range with a minimum of 16°C (60°F) and a maximum of 25°C (77°F), complemented by an average of 21°C (70°F). While precipitation is moderate at 94 mm (3.7 in) over about 9 days, the humidity is relatively high at 81%. In contrast, December sees slightly warmer temperatures, with a minimum of 17°C (63°F) and a maximum of 26°C (78°F), and an average of 22°C (71°F). However, it also experiences increased precipitation, totaling 167 mm (6.6 in) over 11 days, but with a lower humidity level of 75%. This comparison highlights the overall warmer and wetter conditions of December. For more detailed insights, you can visit Ogasawara weather in December.

Compare Ogasawara's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Ogasawara

As April unfolds in Ogasawara, it brings a delightful warmth that sets it apart from the chillier months of winter, with temperatures enjoying their first significant rise. The air becomes more humid, creating a lush atmosphere enriched by the moderate rainfall that graces nine days of the month. With an average temperature hovering around a comfortable 21°C (70°F), April marks the transition towards the hotter summer months, inviting both nature enthusiasts and travelers to explore its vibrant landscapes. To dive deeper into what each month offers, feel free to check out the complete details at Ogasawara Climate.