June Weather in Ogasawara, Japan

Last updated: August 21, 2025

June in Ogasawara, Japan offers a warm and humid atmosphere, with maximum temperatures reaching 28°C (83°F) and an average of 26°C (79°F), while evenings cool down to a minimum of 21°C (70°F). This month is characterized by significant rainfall, accumulating to 166 mm (6.5 inches) over approximately 13 days, making it one of the wetter periods of the year. With humidity levels soaring at 93%, the air feels lush and tropical, creating a vibrant environment perfect for experiencing the natural beauty and rich biodiversity of this unique archipelago.

June Temperature in Ogasawara

As June rolls around in Ogasawara, Japan, temperatures begin to rise significantly, marking the arrival of summer. The month starts with a minimum of 21°C (70°F) and sees an average temperature of 26°C (79°F), peaking at a comfortable 28°C (83°F). This marks a noticeable shift from the cooler spring months, which gradually warmed through April and May. June's balmy climate invites outdoor activities, making it a delightful prelude to the hotter months of July and August, where temperatures will continue to climb. Overall, June brings a cheerful warmth that enhances the vibrant beauty of Ogasawara, capturing the essence of summer in this picturesque locale.

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

The chart illustrates June 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, June 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.

June Precipitation in Ogasawara

June in Ogasawara, Japan, marks a period of notable precipitation, with 166 mm (6.5 in) of rainfall recorded over 13 days. This marks a slight dip compared to the preceding month of May, which boasted the highest rainfall of the year at 178 mm (7.0 in). As the region shifts towards the summer months, June's rainfall often creates a lush, vibrant landscape, while still signaling the onset of the tropical rainy season. Following June, July sees a decrease in precipitation to 100 mm (3.9 in), suggesting a shift in the weather pattern as the region begins to experience a combination of both dry and wet spells. Overall, June serves as a transitional month where the humidity and rain set the stage for the lush scenery that characterizes Ogasawara's stunning summer.

June Precipitation Trends in Ogasawara

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

In June, Ogasawara, Japan experiences a notable peak in humidity at 93%, the highest level of the year. This sharp rise follows a steady increase from 81% in April to 87% in May, signaling the onset of the humid summer season. The trend highlights a significant shift from the cooler months, where humidity levels hover around the 69% to 74% range from January to March. As summer progresses, July and August witness a slight decline in humidity, dropping to 88% and 84%, respectively. Overall, June marks a transition point, where the air becomes palpably thick, emphasizing the unique climatic character of this island paradise.

June Average Humidity in Ogasawara

This chart illustrates the average monthly humidity levels in Ogasawara, with June’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In June, 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 June generated using information from the Copernicus Climate Change Service.

June UV Index in Ogasawara

In Ogasawara, Japan, June brings a UV Index of 13, classified as extreme, which means sun protection is crucial during this time. Following a pattern established in previous months, both June and the preceding months of April and May exhibit similar high levels of UV radiation, demanding a cautious approach to sun exposure; the burn time remains a brisk 10 minutes. This trend underscores the importance of planning outdoor activities judiciously, especially as July maintains this extreme level. As the summer months progress, visitors and residents alike should stay informed and take necessary precautions to protect their skin. For more detailed insights, visit Ogasawara UV Index.

Maximum UV Index Levels in Ogasawara for June

The chart shows the monthly maximum UV Index (UVI) for Ogasawara in June, 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 June, the maximum UV index in Ogasawara typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec79111312131312121086
Data source: Ogasawara June 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.

June Sunshine in Ogasawara

In June, the stunning Ogasawara Islands bask in approximately 301 hours of sunshine, marking a peak for the early summer months and continuing the trend established in May with 302 hours. This slight dip is offset by a noticeable increase in brightness as the region transitions into the more radiant days of July, where sunshine hours soar to 342. The consistent upward trajectory from the beginning of the year—starting with 174 hours in January and climbing steadily to June—reflects the islands’ growing embrace of summer warmth and vibrant natural beauty. As the sunshine hours begin to cluster above 300 hours, Ogasawara's inviting atmosphere becomes a perfect canvas for outdoor adventures and explorations, offering visitors a slice of paradise just before the peak summer month arrives.

Monthly Sunshine Duration in Ogasawara: June Highlighted

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

Chance of Sun in Ogasawara During June

In June, the likelihood of sunny weather in Ogasawara, Japan, stands at 30%, showcasing a mild dip compared to the preceding months of May (40%) and April (32%). This trend appears to reflect a transitional phase as the region shifts from spring into the onset of summer. Notably, July and August see a rise in sunshine probability, peaking at 36% and 52%, respectively, suggesting that the best sun-filled days are yet to come. Although June might not boast the brightest weather, it still offers a fair share of sunlight amidst the gentle embrace of the warm season.

Percentage of Sunny Days in June in Ogasawara

The chart illustrates the percentage of sunny days in Ogasawara throughout the year, with June 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 June chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Ogasawara in June

In Ogasawara, Japan, the month of June marks the continuation of a gradual increase in daylight that begins in the spring. With 13 hours of daylight, June holds steady with the longer days established in May and heralds the onset of summer. This trend of extending daylight hours peaks in the summer months (July and August), where Ogasawara enjoys a consistent 13 hours, making it ideal for outdoor activities and exploration. As the year progresses, daylight gradually diminishes again, slipping back to 12 hours in September and further down to 10 hours by winter months. This annual cycle reflects the stunning contrast of seasons on this beautiful archipelago, creating a perfect backdrop for both residents and visitors.

Average Daylight Hours in Ogasawara for June

The chart illustrates the variation in daylight duration in Ogasawara throughout the year, with June 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.

June Winds in Ogasawara

In June, the winds of Ogasawara, Japan, offer a gentle but refreshing change from the bustling spring. With an average speed of 6.7 m/s (15 mph), June's breezes are a transition from May's softer gusts, which dipped significantly to 4.9 m/s (11 mph). This month's winds pick up slightly, hinting at the seasonal shift towards the stronger currents often felt in April and October, where speeds reach 8.0 m/s and 8.2 m/s, respectively. Interestingly, June finds itself nestled in between the spring lull and the robust winds of late summer and fall, providing a harmonious blend of tranquility and vibrancy that encapsulates the essence of early summer in this picturesque archipelago.

Average June Wind Speed in Ogasawara

The chart displays monthly wind speed patterns in Ogasawara, with values for each month shown alongside June's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how June's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec7.47.46.68.04.96.7 m/s5.15.25.08.26.48.0
Data source: Ogasawara June wind data, generated using information from the Copernicus Climate Change Service.

How June 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 June’s weather to other months in Ogasawara, focusing on differences in temperature, rainfall, humidity, and UV levels.

June and January present distinctly different weather patterns. In June, temperatures typically range from a minimum of 21°C (70°F) to a maximum of 28°C (83°F), with an average of 26°C (79°F). This month also sees significant rainfall, with about 166 mm (6.5 in) of precipitation spread over 13 days, coupled with high humidity levels of 93%. In contrast, January experiences milder temperatures, with a minimum of 14°C (58°F) and a maximum of 24°C (75°F), averaging around 19°C (66°F). Precipitation is lighter, totaling 59 mm (2.3 in) over just 8 days, and the humidity is considerably lower at 69%. For more specific insights on January weather, you can refer to Ogasawara weather in January.

June and February present quite contrasting weather patterns. In June, temperatures range from a minimum of 21°C (70°F) to a maximum of 28°C (83°F), with an average of 26°C (79°F). This month also sees significant rainfall, totaling 166 mm (6.5 in) over approximately 13 days and a high humidity level of 93%. In stark contrast, February experiences milder temperatures, with a minimum of 14°C (58°F) and a maximum of 23°C (73°F), averaging 18°C (65°F). Precipitation is notably lower in February, amounting to just 37 mm (1.5 in) over 6 days and accompanied by a more comfortable humidity of 69%. For more details on the weather specifics in February, you may refer to Ogasawara weather in February.

In comparing the weather of June and March, June tends to be significantly warmer and more humid. With average temperatures around 26°C (79°F) and a maximum of 28°C (83°F), it contrasts sharply with March, where the averages sit at 20°C (68°F) and a maximum of 23°C (74°F). Additionally, June experiences much higher precipitation, with 166 mm (6.5 in) over 13 days, compared to March’s 69 mm (2.7 in) over 9 days. The humidity levels also reflect this difference, soaring to 93% in June versus 74% in March. For more detailed insights, you can visit Ogasawara weather in March.

When comparing the weather in June and April, June tends to be warmer and more humid. With average temperatures reaching 26°C (79°F) and a maximum of 28°C (83°F), June sees a significant increase compared to April's average of 21°C (70°F) and maximum of 25°C (77°F). Additionally, June experiences higher levels of precipitation, with around 166 mm (6.5 in) over 13 days, while April has a more moderate rainfall of 94 mm (3.7 in) over 9 days. The humidity in June also rises to a notable 93%, compared to April's 81%, creating a distinctly more sultry atmosphere during the summer month. For more detailed information on April weather, check Ogasawara weather in April.

In comparing the weather of June and May, we see that June tends to be warmer and more humid. June’s average temperature is 26°C (79°F), compared to May’s 23°C (74°F), with June also experiencing a higher maximum temperature of 28°C (83°F) versus May's 27°C (81°F). However, June has slightly less precipitation at 166 mm (6.5 in) over 13 days, compared to May's 178 mm (7.0 in) over 12 days. The humidity is notably higher in June at 93%, compared to May's 87%. For more specific details about May weather, you can check Ogasawara weather in May.

June and July exhibit distinct weather patterns, with July typically being warmer and drier than June. In June, the average temperature is 26°C (79°F), with a minimum of 21°C (70°F) and a maximum of 28°C (83°F), accompanied by substantial precipitation of 166 mm (6.5 in) over 13 days and high humidity at 93%. In contrast, July sees slightly higher temperatures, with an average of 27°C (81°F) and a minimum of 25°C (77°F), alongside a reduced total precipitation of 100 mm (3.9 in) spread across 14 days. Humidity also decreases to 88%, making July feel a bit more comfortable overall. For a detailed look at weather conditions in July, check out Ogasawara weather in July.

In June, the weather tends to be warmer and more humid, with average temperatures ranging from a minimum of 21°C (70°F) to a maximum of 28°C (83°F). The month is notably wet, receiving 166 mm (6.5 in) of precipitation over 13 days, and humidity levels reach a high of 93%. In contrast, August offers a slightly more stable climate, featuring average temperatures between 26°C (79°F) and 29°C (85°F), with a lower total precipitation of 93 mm (3.7 in) also over 13 days. The humidity drops to 84%, making August feel a bit more comfortable despite the relatively high temperatures. For more detailed insights, you can check the information here: Ogasawara weather in August.

In June, the weather typically features warm temperatures, with a minimum of 21°C (70°F) and an average of 26°C (79°F), peaking at 28°C (83°F). However, this month also sees considerable rainfall, with 166 mm (6.5 in) spread over about 13 days and a high humidity level of 93%. In contrast, September brings slightly warmer conditions, registering a minimum temperature of 25°C (77°F), an average of 28°C (82°F), and a maximum of 30°C (86°F). While September experiences a bit more precipitation at 181 mm (7.1 in) over 16 days, humidity decreases to a more comfortable level of 85%. For additional details on September weather, check out Ogasawara weather in September.

In June, the weather is characterized by a warm average temperature of 26°C (79°F) and max temperatures reaching 28°C (83°F), accompanied by high humidity at 93%. The month experiences significant rainfall, with about 166 mm (6.5 in) over 13 days. In contrast, October offers slightly warmer temperatures, with an average of 27°C (81°F) and a maximum of 29°C (85°F), while humidity decreases to 82%. The precipitation levels are nearly comparable, with October totaling 158 mm (6.2 in) but spread over a longer duration of 19 days. For more specific information, you can check Ogasawara weather in October.

June and November exhibit distinct weather patterns. In June, temperatures range from a minimum of 21°C (70°F) to a maximum of 28°C (83°F), with an average of 26°C (79°F). This month is notable for its high humidity of 93% and significant rainfall, totaling 166 mm (6.5 in) across 13 days. In contrast, November sees slightly cooler temperatures, with minimums around 19°C (67°F) and maximums of 27°C (81°F), resulting in an average of 24°C (76°F). Precipitation in November is less, at 131 mm (5.1 in) over 14 days, along with a lower humidity level of 80%. For more detailed information, you can check out Ogasawara weather in November.

In June, the weather tends to be warm and humid with average temperatures reaching around 26°C (79°F). The month experiences frequent rainfall, with approximately 166 mm (6.5 in) of precipitation over 13 days, leading to a high humidity level of 93%. In contrast, December features slightly cooler temperatures, with an average of 22°C (71°F) and a maximum temperature of 26°C (78°F). Rain is less frequent, with 167 mm (6.6 in) of precipitation spread out over just 11 days, resulting in a lower humidity of 75%. For more detailed weather information, you can check out Ogasawara weather in December.

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Conclusion: What to Expect From June Weather in Ogasawara

June in Ogasawara is characterized by its warm temperatures and high humidity, distinctly marking the onset of the summer season. With an average warmth that embraces both sunny days and unexpected rain, this month reveals the tropical nature of the islands. Unlike the cooler and drier months that precede it, June brings a significant increase in precipitation and lush greenery, making it a vibrant time for nature lovers. Bear in mind, however, that the humidity can make the heat feel more intense. For a detailed overview of the weather patterns throughout the year, visit Ogasawara Climate.