June Weather in Kofu, Japan

Last updated: August 21, 2025

June in Kofu, Japan is characterized by a mix of warmth and moisture, making it an intriguing month for weather enthusiasts. With a maximum temperature reaching up to 28°C (83°F) and an average hovering around 17°C (64°F), visitors can expect comfortable days, though early mornings and evenings may feel brisk at a minimum of 6°C (43°F). This month sees considerable precipitation, totaling 147 mm (5.8 in) over approximately 16 days, creating lush surroundings. High humidity levels at 88% contribute to the rich, vibrant landscape, making Kofu a scenic destination amid the burgeoning summer.

June Temperature in Kofu

As June unfolds in Kofu, Japan, temperatures begin to rise, offering a delightful transition from the cooler spring months. The average temperature settles at a comfortable 17°C (64°F), marking a notable increase from earlier in the year, with lows of 6°C (43°F) and highs reaching up to 28°C (83°F). This warmth heralds the onset of summer activities, inviting residents and visitors alike to enjoy the outdoors. The gradual climb in temperatures is evident when compared to May's mild climate, showcasing a steady progression into warmer weather that enhances Kofu's vibrant landscape. Overall, June stands out as a pleasant month, setting the stage for the hot summer days that follow.

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

The chart illustrates June temperature patterns in Kofu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kofu, 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).
JanFebMarAprMayJunJulAugSepOctNovDec303240485863707365554435
Data source: Temperature data for Kofu 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 Kofu

In June, Kofu experiences a noticeable uptick in precipitation, with an average of 147 mm (5.8 in) falling over 16 days of the month. This marks an increase from the preceding months, particularly from May's 138 mm. As summer approaches, the region transitions into a wetter phase, setting the stage for July's dramatic surge, which sees precipitation soar to 293 mm (11.6 in). The trend illustrates Kofu's shift into a monsoon climate, where rain becomes more frequent and substantial as the year progresses. This crescendo of rainfall in June not only enhances the lush green landscape but also signifies the onset of the hotter, more humid summer months ahead.

June Precipitation Trends in Kofu

The chart displays monthly precipitation patterns in Kofu, 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 Kofu, June typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec48601361291381472931501832775254
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Kofu

In Kofu, Japan, the month of June marks a significant rise in humidity, peaking at an impressive 88%. This increase reflects a trend where humidity levels tend to escalate as spring gives way to summer. After a relatively moderate 74% in April, the levels surge, maintaining a high point in early summer with July reaching 93%. Interestingly, the months leading up to June show a gradual climb; from 76% in January to 81% in May, culminating in the sultry June. This pattern sets the stage for the warm, sticky days ahead, with humidity remaining high through the summer, creating a palpable atmosphere as Kofu embraces its humid subtropical climate.

June Average Humidity in Kofu

This chart illustrates the average monthly humidity levels in Kofu, 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 Kofu is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%74%70%74%82%88%93%90%86%83%80%78%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Kofu

In Kofu, Japan, the UV index experiences a striking climb as summer approaches, peaking at 12 in June. This level of ultraviolet radiation indicates an extreme exposure category, with a swift burn time of just 10 minutes. Transitioning from the moderate index of 4 in January to a staggering 11 in May, the upward trend continues into June, holding steady alongside the following months of July and August at 12. As residents prepare for sun-soaked days, it’s crucial to stay vigilant with sun protection, especially during these peak months. For detailed UV index information, visit Kofu UV Index.

Maximum UV Index Levels in Kofu for June

The chart shows the monthly maximum UV Index (UVI) for Kofu 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 Kofu typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec479101112121210764
Data source: Kofu 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 Kofu

As June arrives in Kofu, Japan, the city basks in 263 hours of sunshine, maintaining a delightful brightness that's a hallmark of the season. Following the blossoming warmth of May, which enjoyed the highest sunlight at 291 hours, June presents a slight dip yet remains a beacon of light when compared to earlier months. This trend showcases a gradual shift where the sun begins to soften its grip, leading into July, which typically experiences a significant reduction to 228 hours. Overall, the transition from spring to summer is marked by a consistent increase in daylight hours, peaking in May, while still allowing June to shine brightly, offering a perfect backdrop for outdoor activities and the vibrant life of the season.

Monthly Sunshine Duration in Kofu: June Highlighted

The June sunshine duration represents the total number of hours Kofu 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.
JanFebMarAprMayJunJulAugSepOctNovDec194h239h267h278h291h263h228h284h238h216h237h237h
Data source: Kofu June Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Kofu During June

In Kofu, Japan, June marks a notable dip in sunny weather, with only an 18% chance of sun. This is part of a broader trend as the region transitions from the sunnier months of January and February, which boast probabilities of 52% and 60%, respectively. The sunshine likelihood cascades downward through the spring months, reaching its lowest point in June before gradually rising again in the fall. This pattern underscores the shift towards the rainy season, suggesting that if you're planning outdoor activities in June, you might want to keep an umbrella handy while hoping for the unexpected sunny break!

Percentage of Sunny Days in June in Kofu

The chart illustrates the percentage of sunny days in Kofu 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 Kofu experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec52%60%39%43%23%18%23%23%20%43%51%62%
Data source: Kofu June chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Kofu in June

As summer approaches in Kofu, Japan, the trend in daylight duration becomes more pronounced. In June, the city enjoys 14 hours of daylight, maintaining the longer days first initiated in May. This period signifies a peak in sunlight, as both July and August also boast 14 hours of daylight. As the seasons shift toward autumn, daylight gradually decreases, with September revealing 12 hours and October further reducing it to 11 hours. This rhythmic dance of daylight captures the essence of Kofu's climate, offering an inviting atmosphere for outdoor activities and exploration during the vibrant summer months.

Average Daylight Hours in Kofu for June

The chart illustrates the variation in daylight duration in Kofu throughout the year, with June highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 1m10h 52m11h 57m13h 5m14h 2m14h 31m14h 16m13h 27m12h 22m11h 15m10h 16m9h 46m
Data source: Kofu daylight hours, calculated by summing the hours between sunrise and sunset for each day.

June Winds in Kofu

In Kofu, Japan, the winds of June bring a gentle whisper with an average speed of just 1.4 m/s (3 mph), marking a noticeable decline from the slightly brisker months preceding it. As spring eases into summer, this month sets the stage for the calm that defines the latter half of the year. The wind speeds reflect a gradual downward trend from the more active spring months, where speeds reached around 1.9 m/s in April and maintained modest levels through May. This seasonal shift invites a serene atmosphere, perfect for enjoying the lush landscapes and vibrant festivities that June has to offer, as the light breezes dance through the gardens and along the streets of Kofu.

Average June Wind Speed in Kofu

The chart displays monthly wind speed patterns in Kofu, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.82.11.71.91.81.4 m/s1.21.51.41.51.61.8
Data source: Kofu June wind data, generated using information from the Copernicus Climate Change Service.

How June Weather in Kofu Compares to Other Months

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

June and January present starkly contrasting weather patterns. In June, temperatures range from a minimum of 6°C (43°F) to a maximum of 28°C (83°F), with an average of 17°C (64°F). This month also experiences significant rainfall, with 147 mm (5.8 in) across 16 days, contributing to a high humidity level of 88%. Conversely, January features much colder conditions, with temperatures dropping to a minimum of -16°C (3°F) and averaging -1°C (30°F), reaching a maximum of 11°C (52°F). Precipitation in January is considerably lower at 48 mm (1.9 in) over just 6 days, and humidity sits at a more moderate 76%. For more details on January weather, you can check Kofu weather in January.

June and February present contrasting weather conditions. In June, temperatures range from a minimum of 6°C (43°F) to a maximum of 28°C (83°F), with an average of 17°C (64°F). The month sees significant rainfall, with 147 mm (5.8 in) spread over 16 days and an average humidity of 88%. In stark contrast, February experiences much colder conditions, with temperatures ranging from a frigid -12°C (10°F) to a milder 16°C (61°F), averaging around 0°C (32°F). Precipitation is lighter, at 60 mm (2.4 in) over just 7 days, with a lower humidity level of 74%. These differences highlight the shift from the humid warmth of late spring to the cold, dry chill of winter. For more detailed information, you can visit Kofu weather in February.

When comparing the weather in June and March, notable differences emerge. June generally experiences milder temperatures with a minimum of 6°C (43°F) and an average of 17°C (64°F), peaking at a maximum of 28°C (83°F). In contrast, March is much colder, starting with a minimum of -6°C (21°F) and an average temperature of only 4°C (40°F), while reaching a maximum of 20°C (68°F). Precipitation levels are comparable, with June receiving 147 mm (5.8 in) over 16 days and March slightly less at 136 mm (5.4 in) over 12 days. Additionally, June has higher humidity at 88%, compared to March's 70%. For more detailed information on March weather, you can visit this Kofu weather in March link.

When comparing the weather in June and April, it's clear that June experiences milder temperatures and higher humidity. In June, the temperatures range from a minimum of 6°C (43°F) to a maximum of 28°C (83°F), with an average of 17°C (64°F). The month sees a significant amount of rainfall, totaling 147 mm (5.8 in) over 16 days, contributing to a humid atmosphere with an average humidity of 88%. In contrast, April has colder temperatures, ranging from a minimum of -5°C (23°F) to a maximum of 25°C (77°F), with an average of 9°C (48°F). Although April has slightly less rainfall at 129 mm (5.1 in) spread over 13 days, the lower humidity of 74% makes it feel less muggy than June. For more detailed weather patterns, you can refer to Kofu weather in April.

In comparing the weather of June and May, we see that June generally experiences warmer temperatures, with a minimum of 6°C (43°F) and an average of 17°C (64°F), compared to May's minimum of 0°C (33°F) and average of 14°C (58°F). Both months can reach maximum temperatures close to 28°C (83°F in June and 84°F in May), but June brings increased humidity at 88% compared to May's 81%. Precipitation is notable in both months, with June seeing 147 mm (5.8 in) over 16 days, slightly higher than May's 138 mm (5.4 in) over 13 days. For more details, you can check Kofu weather in May.

In comparing the weather between June and July, it’s evident that July tends to be warmer and more humid. June experiences a minimum temperature of 6°C (43°F) and an average of 17°C (64°F), with a maximum reaching 28°C (83°F). In contrast, July starts off at a higher minimum of 13°C (56°F) and has an average temperature of 21°C (70°F), peaking at 32°C (90°F). Additionally, July sees significantly more rainfall, with 293 mm (11.6 in) over 20 days compared to June's 147 mm (5.8 in) across 16 days. Humidity also rises in July, reaching 93% compared to June's 88%. For more detailed information, check out Kofu weather in July.

June and August exhibit distinct weather patterns, reflecting the transition from spring to summer. In June, temperatures range from a cool minimum of 6°C (43°F) to a comfortable average of 17°C (64°F), peaking at a warm 28°C (83°F). However, the month is marked by significant precipitation, totaling 147 mm (5.8 in) over 16 days, and high humidity at 88%. In contrast, August sees a noticeable rise in temperatures, with a minimum of 12°C (54°F) and an average of 23°C (73°F), reaching a maximum of 32°C (90°F). The humidity slightly increases to 90%, and rainfall remains comparable, with 150 mm (5.9 in) recorded over 18 days. For those interested in exploring the specifics of August weather, additional details can be found at Kofu weather in August.

June and September exhibit similar yet distinct weather patterns. In June, temperatures range from a minimum of 6°C (43°F) to a maximum of 28°C (83°F), with an average temperature of 17°C (64°F). The month experiences significant precipitation, totaling 147 mm (5.8 in) over 16 days, and humidity levels are relatively high at 88%. In contrast, September sees slightly warmer temperatures, with a minimum of 8°C (47°F), an average of 18°C (65°F), and a maximum reaching 30°C (86°F). However, it also experiences increased rainfall, accumulating 183 mm (7.2 in) over 18 days, while humidity remains comparable at 86%. For more detailed insights, you can check the link: Kofu weather in September.

In comparing the weather of June and October, notable differences emerge. June typically sees warmer temperatures, with a minimum of 6°C (43°F) and an average of 17°C (64°F), peaking at 28°C (83°F). However, this month also experiences significant rainfall, totaling 147 mm (5.8 in) over 16 days, accompanied by high humidity levels of 88%.

In contrast, October is cooler, with temperatures ranging from a minimum of 1°C (35°F) to an average of 13°C (55°F) and a maximum of 26°C (79°F). Interestingly, October receives even more rainfall, with 277 mm (10.9 in) over 17 days, yet the humidity is slightly lower at 83%. For more detailed insights on October weather, you can visit Kofu weather in October.

June and November present contrasting weather patterns. In June, temperatures in Kofu range from a minimum of 6°C (43°F) to a maximum of 28°C (83°F), with an average of 17°C (64°F). This month is characterized by high humidity at 88% and considerable precipitation of 147 mm (5.8 in) over 16 days. In contrast, November features cooler temperatures, with a minimum of -4°C (25°F) and a maximum of 18°C (65°F), averaging 7°C (45°F). The humidity is slightly lower at 80%, and there is much less rainfall, totaling just 52 mm (2.0 in) over 8 days. For more detailed information, you can check Kofu weather in November.

June and December present starkly contrasting weather conditions. In June, temperatures range from a refreshing 6°C (43°F) at night to a warm 28°C (83°F) during the day, with an average of 17°C (64°F). This month experiences significant rainfall, tallying up to 147 mm (5.8 in) over approximately 16 days, contributing to a high humidity level of 88%. In contrast, December sees much colder temperatures, with nighttime lows plunging to -8°C (17°F) and daytime highs reaching only 17°C (63°F), averaging just 1°C (35°F). Precipitation drops markedly to 54 mm (2.1 in) across a mere 7 days, accompanied by a lower humidity level of 78%. For a deeper dive into December's specific weather patterns, you can visit Kofu weather in December.

Compare Kofu's Climate with Cities Worldwide

Conclusion: What to Expect From June Weather in Kofu

June in Kofu brings a distinct transformation, as the warmth begins to envelop the city with average temperatures rising steadily. This month stands out with noticeably increased humidity, often reaching a crisp 88%, which can make the air feel thicker compared to the preceding spring months. While rainfall is quite frequent, with several days marked by precipitation, it immerses the region in a lush greenery that is both vibrant and refreshing. As the warmth of summer approaches, June offers a beautifully humid mix, making it a perfect transition into the hot months ahead. For more insights on Kofu's weather patterns, check out Kofu Climate.