June Weather in Fukushima, Japan

Last updated: August 21, 2025

In June, Fukushima, Japan experiences a warm and humid climate, with maximum temperatures reaching 31°C (89°F) and an average of 19°C (66°F). The minimum temperature dips to 8°C (46°F), providing a notable range throughout the month. Rain is a frequent companion during this time, with a total precipitation of 109 mm (4.3 in) spread over 14 days, contributing to the region's lush greenery. The humidity level stands at 87%, creating a distinctly muggy atmosphere that characterizes the early summer in Fukushima. Visitors and locals alike should be prepared for both warmth and occasional showers, embodying the essence of June weather in this vibrant area.

June Temperature in Fukushima

In June, Fukushima, Japan, experiences a noticeable shift towards warmer temperatures as spring transitions into summer. With minimums averaging around 8°C (46°F) and highs peaking at a delightful 31°C (89°F), the weather becomes increasingly inviting. The average temperature settles at 19°C (66°F), reflecting a steady climb from the cooler months preceding it. This trend highlights a significant increase from May's milder temperatures, where the maximum reached 31°C (88°F). As daylight hours lengthen and nature flourishes, June sets the stage for the summer heat that will follow in July and August, making it an appealing month for outdoor activities and exploring the region’s natural beauty.

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

The chart illustrates June temperature patterns in Fukushima, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Fukushima, 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).
JanFebMarAprMayJunJulAugSepOctNovDec313341496066737668574736
Data source: Temperature data for Fukushima 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 Fukushima

In June, Fukushima experiences a notable average precipitation of 109 mm (4.3 inches) over 14 days, contributing to the region's lush landscapes in early summer. This amount is slightly lower than May's 113 mm (4.5 inches), but still significant as it marks the transition into the wetter months ahead. The increasing precipitation trend from January's 62 mm to this summer peak reflects a shift towards more consistent rainfall, setting the stage for the heavier downpours typical of July, when precipitation soars to an impressive 248 mm (9.7 inches). As such, June serves as a bridge between the milder spring rains and the intense monsoons that follow, highlighting the dynamic nature of Fukushima's climate.

June Precipitation Trends in Fukushima

The chart displays monthly precipitation patterns in Fukushima, 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 Fukushima, June typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec62521121061131092481691542073868
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Fukushima

As summer approaches in Fukushima, June stands out with a notable increase in humidity, reaching 87%. This rise follows a pattern established in May, where humidity jumped to 80%, indicating the onset of warmer, moisture-laden air. The trend continues into July and August, when humidity peaks at 92% and 90%, respectively. Compared to the preceding months, where values remained in the 70s, June signals the transition into a more humid season, contributing to the region’s lush landscapes and vibrant vegetation. This consistent upward trend not only marks June as a month of heightened humidity but also sets the stage for the sultry summer that follows.

June Average Humidity in Fukushima

This chart illustrates the average monthly humidity levels in Fukushima, 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 Fukushima is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%75%72%73%80%87%93%90%84%80%77%77%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Fukushima

In June, Fukushima, Japan, experiences a peak in the UV Index, reaching an alarming 11, categorized as extreme. This means that sun exposure can result in skin damage within just 10 minutes. As the summer months roll in, the UV Index has progressively increased from 3 in January to 11 in June, highlighting a clear trend toward more intense sun exposure. The shift from moderate levels in the winter to very high and ultimately extreme levels by June illustrates the importance of taking precautions against harmful UV rays. Residents and visitors alike should remain vigilant and protect their skin, especially during this peak period. For more detailed information on UV levels throughout the year, check out the Fukushima UV Index.

Maximum UV Index Levels in Fukushima for June

The chart shows the monthly maximum UV Index (UVI) for Fukushima 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 Fukushima typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101111119653
Data source: Fukushima 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 Fukushima

In June, Fukushima basks in 275 hours of sunshine, marking a delightful transition as the spring blooms into summer. This month’s radiant sunlight follows a steady increase from 167 hours in January to 288 hours in May, creating a vibrant atmosphere that encourages outdoor exploration. Although June experiences a slight decline as the season shifts into July with 252 hours of sunshine, it still maintains a significant glow compared to the earlier months. The gradual ebb and flow of sunshine hours throughout the year highlight the dynamic climate of Fukushima, making June a particularly splendid time to enjoy all that nature has to offer. With the lingering warmth of late spring, it's a perfect opportunity to revel in the beauty of this diverse region.

Monthly Sunshine Duration in Fukushima: June Highlighted

The June sunshine duration represents the total number of hours Fukushima 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.
JanFebMarAprMayJunJulAugSepOctNovDec167h218h259h272h288h275h252h280h237h205h221h203h
Data source: Fukushima June Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Fukushima During June

As summer approaches, the likelihood of sunny weather in Fukushima, Japan sees a noticeable dip in June, with just a 20% chance of sunshine. This decline follows a somewhat promising spring, where April and February showcase higher probabilities of sunny days at 43% and 47%, respectively. However, after May’s moderate 29%, June represents one of the lowest points in the year's forecast for clear skies. This trend reveals a pattern of increasing cloud cover and precipitation as summer begins, hinting at the wet and humid conditions typical in the region. As July and August follow suit with 23% and 25% chances of sun, outdoor plans may need alternative arrangements to accommodate the likelihood of cloudy, rainy days.

Percentage of Sunny Days in June in Fukushima

The chart illustrates the percentage of sunny days in Fukushima 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 Fukushima experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec36%47%33%43%29%20%23%26%25%36%50%39%
Data source: Fukushima June chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Fukushima in June

In Fukushima, Japan, the month of June marks a delightful peak in daylight duration, with the sun gracing the skies for a solid 14 hours each day. This is consistent with the lengths seen in both May and July, creating a vibrant three-month stretch of ample sunlight that invites outdoor activities and scenic exploration. As spring seamlessly transitions into summer, the gradual increase in daylight hours is evident from the frigid 9 hours in January to the balmy afternoons of early summer. By the end of June, the days begin to shorten ever so slightly, signaling the slow march towards autumn as residents and visitors alike bask in the lingering light of those enchanting June evenings.

Average Daylight Hours in Fukushima for June

The chart illustrates the variation in daylight duration in Fukushima throughout the year, with June highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 51m10h 46m11h 57m13h 10m14h 12m14h 43m14h 27m13h 33m12h 23m11h 11m10h 7m9h 34m
Data source: Fukushima daylight hours, calculated by summing the hours between sunrise and sunset for each day.

June Winds in Fukushima

In Fukushima, Japan, the month of June brings with it a notable decline in average wind speed, dipping to 1.8 m/s (4 mph), marking one of the year's calmest periods. Following a slight increase in winds from February to April, the breeze starts to soften as spring transitions into summer. This pattern continues into July, where winds are even gentler at 1.6 m/s (4 mph). Overall, the cooler, more aggressive gusts of earlier months give way to a serene calm, inviting a tranquil atmosphere ideal for enjoying the lush landscapes that bloom during this season. The gentle winds contrast sharply with the breezier months of winter, highlighting a shift towards the stillness often felt during the warmer summer days ahead.

Average June Wind Speed in Fukushima

The chart displays monthly wind speed patterns in Fukushima, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.73.62.92.92.51.8 m/s1.62.01.92.22.32.9
Data source: Fukushima June wind data, generated using information from the Copernicus Climate Change Service.

How June Weather in Fukushima Compares to Other Months

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

June and January present strikingly contrasting weather conditions. In June, temperatures range from a mild 8°C (46°F) at night to a warm 31°C (89°F) during the day, averaging around 19°C (66°F). The month experiences significant rainfall, with 109 mm (4.3 in) spread over 14 days, and the humidity levels are high at 87%, contributing to a lush and vibrant atmosphere.

In stark contrast, January temperatures can plunge as low as -13°C (9°F), with an average temperature of -1°C (31°F) and a maximum of 10°C (50°F). Despite having fewer rainy days—about 13—the total precipitation reaches 62 mm (2.4 in), and humidity is lower at 76%. For those curious about the specifics of January weather, more details can be found at Fukushima weather in January.

June and February present stark contrasts in weather conditions. In June, temperatures range from a cool 8°C (46°F) to a warm 31°C (89°F), with an average of 19°C (66°F). The month is also characterized by significant precipitation, totaling 109 mm (4.3 in) over about 14 days, and a high humidity level of 87%. In contrast, February experiences much colder temperatures, ranging from a minimum of -10°C (14°F) to a maximum of 16°C (60°F), with an average of just 1°C (33°F). Precipitation is less abundant, totaling 52 mm (2.0 in) across 12 days, and humidity is lower at 75%. For a deeper insight into February weather specifics, you can explore Fukushima weather in February.

June and March present quite contrasting weather conditions. In June, temperatures range from a cool 8°C (46°F) at night to a warm 31°C (89°F) during the day, with an average of 19°C (66°F). This month also experiences high humidity at 87% and sees about 109 mm (4.3 in) of precipitation spread over 14 days. In comparison, March starts off quite chilly, with nighttime lows dipping to -7°C (19°F) and daytime highs reaching up to 21°C (69°F), resulting in a much cooler average of 5°C (41°F). It also sees slightly more precipitation at 112 mm (4.4 in), albeit over just 13 days, along with lower humidity at 72%. For more detailed information on the weather, you can visit Fukushima weather in March.

When comparing the weather in June and April, it’s clear that June experiences warmer temperatures with an average of 19°C (66°F) compared to April’s 10°C (50°F). In June, temperatures can rise to a maximum of 31°C (89°F), while April peaks at 27°C (80°F). Both months see similar levels of precipitation, with June receiving slightly more at 109 mm (4.3 in) over 14 days compared to April’s 106 mm (4.2 in) over 13 days. Additionally, June has a higher humidity level of 87%, making it feel more humid than April’s 73%. For more detailed information about April weather, you can visit Fukushima weather in April.

In comparing the weather of June and May, we see that June generally features a higher average temperature of 19°C (66°F), compared to May's average of 16°C (60°F). Both months experience similar maximum temperatures, peaking at around 31°C (88°F in May and 89°F in June). However, June has a higher minimum temperature of 8°C (46°F), compared to 4°C (39°F) in May. Precipitation levels are slightly less in June, with 109 mm (4.3 in) compared to 113 mm (4.5 in) for May, although both months have precipitation on 14 days. Additionally, June has a higher humidity level at 87%, while May sits at 80%. For further details, you can visit Fukushima weather in May.

In June, the weather typically features a minimum temperature of 8°C (46°F) and an average high of 31°C (89°F), combined with 109 mm (4.3 inches) of precipitation over 14 days and an humidity level of 87%. In contrast, July experiences significantly warmer temperatures, with a minimum of 15°C (59°F) and an average high of 34°C (93°F). However, it also sees increased rainfall, totaling 248 mm (9.7 inches) over 20 days and a slightly higher humidity of 92%. For more detailed information on July weather, you can visit Fukushima weather in July.

In comparing the weather between June and August, we see a noticeable shift in temperature and precipitation patterns. June experiences a minimum temperature of 8°C (46°F) and an average of 19°C (66°F), with maximum temperatures reaching up to 31°C (89°F). This month also sees about 109 mm (4.3 in) of precipitation over 14 days, with humidity levels averaging around 87%. In contrast, August features higher temperatures with a minimum of 14°C (57°F), an average of 24°C (76°F), and a peak of 35°C (95°F). However, it also brings increased rainfall, totaling 169 mm (6.7 in) over 19 days, and humidity rises slightly to 90%. For a more detailed look at August weather, you can visit Fukushima weather in August.

June and September present distinct yet similar weather characteristics. In June, temperatures range from a minimum of 8°C (46°F) to a maximum of 31°C (89°F), with an average of 19°C (66°F). The month sees considerable rainfall, with 109 mm (4.3 in) distributed over 14 days, and high humidity at 87%. In contrast, September offers slightly warmer temperatures, boasting a minimum of 8°C (46°F) and a maximum of 33°C (92°F), with an average temperature of 20°C (68°F). However, it experiences even more precipitation, totaling 154 mm (6.1 in) across the same number of rainy days. Despite the slight decrease in humidity to 84%, September feels exceptionally warm. For a closer look at the specifics, check out Fukushima weather in September.

In June, temperatures range from a minimum of 8°C (46°F) to a maximum of 31°C (89°F), with an average of 19°C (66°F). Despite the warmer weather, June experiences significant rainfall, accumulating 109 mm (4.3 in) over 14 days and maintaining a high humidity level of 87%. In contrast, October brings cooler conditions, with temperatures dropping to a minimum of 2°C (36°F) and an average of 14°C (58°F), peaking at 27°C (82°F). October also sees increased precipitation, totaling 207 mm (8.2 in) over 12 days, but with a lower humidity of 80%. For more detailed information, you can check Fukushima weather in October.

June and November present stark contrasts in weather conditions. In June, temperatures range from a minimum of 8°C (46°F) to a maximum of 31°C (89°F), with an average of 19°C (66°F). The month is characterized by significant rainfall, totaling 109 mm (4.3 in) over approximately 14 days, accompanied by high humidity at 87%. In contrast, November experiences much cooler temperatures, with lows dipping to -3°C (27°F) and highs reaching 21°C (70°F), averaging around 8°C (47°F). Rainfall is considerably less in November, with only 38 mm (1.5 in) over 8 days, and humidity levels drop to 77%. For more detailed information on November's climate, you can visit Fukushima weather in November.

In June, the weather in Fukushima boasts a significant warmth, with average temperatures around 19°C (66°F) and highs reaching up to 31°C (89°F), making it feel quite summery. However, this month also sees considerable humidity at 87% and frequent rainfall, totaling 109 mm (4.3 inches) over 14 days. In stark contrast, December experiences much colder temperatures, with averages dropping to just 2°C (36°F) and lows plummeting to -7°C (20°F). Although it is drier, December still sees precipitation on 15 days, accumulating to 68 mm (2.7 inches), and the humidity is relatively lower at 77%. For a closer look at December's specific weather patterns, check out Fukushima weather in December.

Compare Fukushima's Climate with Cities Worldwide

Conclusion: What to Expect From June Weather in Fukushima

As June arrives in Fukushima, the weather shifts distinctly from the cooler spring months, embracing a warmer and more humid atmosphere. With average temperatures hovering around a comfortable 19°C (66°F), the month occasionally sees highs reaching up to 31°C (89°F), signaling the transition into summer. However, this warmth comes with increased precipitation, as nearly half of the month experiences rainfall, contributing to an overall humidity of 87%. These conditions foster a lush landscape, making June a unique blend of warmth and frequent showers that contrasts starkly with the drier and cooler preceding months. For a deeper dive into the climatic patterns of the region, check out Fukushima Climate.