June Weather in Mashiko, Japan

Last updated: August 21, 2025

In Mashiko, Japan, June brings a blend of warm temperatures and significant rainfall, making it a unique month for visitors and locals alike. With a maximum temperature reaching up to 33°C (92°F) and an average of 22°C (71°F), the weather is generally warm, though nights can be cooler with a minimum of 12°C (53°F). This month sees 132 mm (5.2 inches) of precipitation over about 15 days, resulting in a humidity level of 88%, creating a lush, vibrant atmosphere. Whether you're exploring the town's famous pottery or enjoying nature's bounty, June's weather in Mashiko offers both challenges and delights.

June Temperature in Mashiko

In June, Mashiko, Japan, welcomes the warmth of summer with a noticeable shift in temperatures. The month kicks off with a minimum of 12°C (53°F), rising to a pleasant average of 22°C (71°F), and peaks at a sizzling 33°C (92°F). This upward trend from the cooler spring months marks a significant leap in heat, creating an environment perfect for outdoor activities and local festivals. As the days lengthen and the sun shines brighter, residents and visitors alike can enjoy lush landscapes and vibrant cultural experiences under the summer sky, making June a delightful time to explore this charming town.

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

The chart illustrates June temperature patterns in Mashiko, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mashiko, 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).
JanFebMarAprMayJunJulAugSepOctNovDec394148566671788173635343
Data source: Temperature data for Mashiko 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 Mashiko

In June, Mashiko, Japan, experiences a notable increase in precipitation, with 132 mm (5.2 in) of rain falling over 15 days. This marks a slight rise from May’s figures, contributing to the month being one of the wettest in the early summer season. As the region transitions into July, the rainfall escalates even further, highlighting a clear trend of intensifying precipitation leading into the peak of the wet season. This gradual buildup not only reflects the typical patterns associated with the changing climate but also significantly supports the lush greenery that characterizes this period in Mashiko.

June Precipitation Trends in Mashiko

The chart displays monthly precipitation patterns in Mashiko, 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 Mashiko, June typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec35381251151241322191361532105648
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Mashiko

In June, Mashiko experiences a humidity level of 88%, mirroring the high moisture levels seen earlier in the year, particularly in January and February. This uptick in humidity signals the onset of the summer months, where the air becomes noticeably saturated, setting the stage for the hotter and more humid conditions of July and August, both peaking at 92%. Interestingly, after June, humidity levels begin a gentle decline through the fall months, suggesting that while the summer is characterized by a muggy atmosphere, the subsequent months offer a more comfortable climate. Overall, June encapsulates the transition into the peak humidity season, offering a taste of the tropical-like conditions that will dominate the ensuing weeks.

June Average Humidity in Mashiko

This chart illustrates the average monthly humidity levels in Mashiko, 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 Mashiko is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%81%79%81%88%92%92%89%87%85%86%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Mashiko

In June, Mashiko, Japan, experiences a very high UV Index of 10, requiring just 15 minutes of exposure before sunburn risk escalates. This level of UV radiation follows a significant increase from earlier months, highlighting a trend of intensifying sunlight as summer approaches. Compared to May’s Index, which also reached 10, the UV levels remain consistently high, indicating that residents and visitors alike should take precautionary measures to protect their skin. With July on the horizon, forecasters predict an even higher Index of 11, marking the peak of summer's UV intensity. For detailed insights and trends on UV exposure throughout the year, visit Mashiko UV Index.

Maximum UV Index Levels in Mashiko for June

The chart shows the monthly maximum UV Index (UVI) for Mashiko 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 Mashiko typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101011109653
Data source: Mashiko 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 Mashiko

In June, Mashiko, Japan, enjoys a delightful 253 hours of sunshine, making it one of the brighter months of the year. Following a gradual increase in sunny days since January's modest 188 hours, the sunlit hours peak in May at 274 hours. As summer approaches, June's sunlight begins to wane slightly, with July bringing a dip to 224 hours. This trend highlights a seasonal shift where vibrant springtime rays give way to warmer, albeit sometimes cloudier, summer days. Overall, June stands as a beautiful bridge between the lushness of spring and the heat of summer, ensuring that Mashiko remains a charming destination for those who bask in sunshine.

Monthly Sunshine Duration in Mashiko: June Highlighted

The June sunshine duration represents the total number of hours Mashiko 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.
JanFebMarAprMayJunJulAugSepOctNovDec188h234h257h270h274h253h224h265h221h204h230h228h
Data source: Mashiko June Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Mashiko During June

June in Mashiko, Japan, tends to be one of the less sunny months, with a modest 20% chance of clear skies. This marks a significant drop from earlier spring months, where sunlit days are more frequent. Following May, which sees a slightly higher but still limited 22% chance of sunshine, June gives way to the onset of the rainy season. As summer approaches, the likelihood of sun remains relatively low, with July and August hovering around 25% and 27%, respectively. This trend signifies a shift from the brighter months of winter and early spring, illustrating that while June may not be the most inviting for sun-seekers, the lush landscapes fueled by the seasonal rains certainly offer their own unique charm.

Percentage of Sunny Days in June in Mashiko

The chart illustrates the percentage of sunny days in Mashiko 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 Mashiko experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec53%71%42%48%22%20%25%27%25%45%63%66%
Data source: Mashiko June chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Mashiko in June

In Mashiko, Japan, June marks the peak of the spring transition into summer, with daylight extending to a generous 14 hours. This duration mirrors May’s light-filled days, creating an enchanting atmosphere for outdoor activities and community gatherings. As the year progresses from the deep winter of January's 9 hours to the vibrant glow of June, a clear trend emerges: longer days foster a sense of warmth and vitality. Following June, daylight begins to gradually taper off in July and August, yet it remains comfortably abundant until September, reminding residents of the fleeting beauty of summer's embrace. The rhythmic change in daylight not only enhances the natural landscape but also influences the cultural and social tapestry of the region.

Average Daylight Hours in Mashiko for June

The chart illustrates the variation in daylight duration in Mashiko throughout the year, with June highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 58m10h 50m11h 57m13h 7m14h 5m14h 35m14h 20m13h 29m12h 23m11h 14m10h 13m9h 42m
Data source: Mashiko daylight hours, calculated by summing the hours between sunrise and sunset for each day.

June Winds in Mashiko

In June, the winds in Mashiko, Japan, take a gentle turn, averaging at 1.9 m/s (4 mph)—the calmest point of the year. This slight decrease from May's average of 2.2 m/s (5 mph) marks the beginning of a trend towards lighter breezes that continue into the summer months. July sees the wind dip further to 1.5 m/s (3 mph), making it the least windy month. Interestingly, the wind speeds tend to fluctuate in the following months, with a gradual increase again by August to 2.1 m/s (5 mph). This pattern showcases how seasonal shifts influence the wind in Mashiko, offering a tranquil atmosphere as summer unfolds, inviting both residents and travelers to enjoy the serene landscapes unbothered by strong gusts.

Average June Wind Speed in Mashiko

The chart displays monthly wind speed patterns in Mashiko, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.12.62.42.52.21.9 m/s1.52.12.02.01.82.1
Data source: Mashiko June wind data, generated using information from the Copernicus Climate Change Service.

How June Weather in Mashiko Compares to Other Months

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

June and January present strikingly different weather patterns. In June, temperatures range from a cool 12°C (53°F) at night to a warmth of 33°C (92°F) during the day, with an average of 22°C (71°F). This month also experiences considerable rainfall, with 132 mm (5.2 in) spread over 15 days, contributing to a humid atmosphere that sits at 88%. In contrast, January sees much colder temperatures, with a minimum of -12°C (10°F) and a maximum of 17°C (62°F), averaging just 4°C (39°F). Precipitation is significantly lower, totaling 35 mm (1.4 in) over only 5 days, while the humidity remains consistent at 88%. For more specific details about January weather, you can check Mashiko weather in January.

June and February present strikingly different weather patterns. In June, temperatures range from a minimum of 12°C (53°F) to a maximum of 33°C (92°F), with an average of 22°C (71°F). This month also sees significant rainfall, accumulating 132 mm (5.2 in) over approximately 15 days, contributing to a high humidity level of 88%. In contrast, February is much colder, with temperatures ranging from a minimum of -5°C (23°F) to a maximum of 21°C (70°F), and an average of just 5°C (41°F). Rainfall is considerably less in February, at 38 mm (1.5 in) over only 6 days, and humidity remains relatively high at 86%. For more details on February weather, visit Mashiko weather in February.

In comparing the weather of June and March, it's clear that June is significantly warmer and more humid. June boasts average temperatures of 22°C (71°F), with highs reaching up to 33°C (92°F), while March offers a much cooler temperature range, averaging 9°C (49°F) and peaking at 24°C (76°F). Precipitation levels are relatively similar, with June receiving 132 mm over 15 days compared to March's 125 mm over 11 days. Additionally, June's humidity at 88% makes it feel much more muggy compared to March's 81%. For a detailed look at March's weather, you can refer to Mashiko weather in March.

June generally offers warmer weather compared to April, with average temperatures rising from a cool 13°C (56°F) in April to a balmy 22°C (71°F) in June. While April can see maximum temperatures reaching 29°C (84°F), June pushes the limits further with highs of up to 33°C (92°F). Both months experience significant rainfall, with June receiving 132 mm (5.2 in) over 15 days compared to April's 115 mm (4.5 in) across 11 days. Additionally, humidity levels are higher in June at 88%, compared to April's 78%. Those interested in specifics can find additional details here: Mashiko weather in April.

In comparing the weather of June and May, we see notable differences in temperature and humidity. June experiences a warmer average temperature of 22°C (71°F), compared to May's 19°C (66°F), while both months have similar maximum temperatures, with June peaking at 33°C (92°F) and May at 34°C (93°F). The minimum temperature in June is significantly higher at 12°C (53°F) versus May's 5°C (41°F). Precipitation levels are slightly higher in June, totaling 132 mm (5.2 in) over 15 days, compared to May's 124 mm (4.9 in) over 12 days. Additionally, June boasts a higher humidity level of 88% compared to 81% in May. For a closer look at May's weather specifics, you can visit Mashiko weather in May.

June and July weather exhibits notable differences in temperature and precipitation patterns. In June, temperatures range from a mild minimum of 12°C (53°F) to a comfortable average of 22°C (71°F), peaking at 33°C (92°F). The month sees a significant amount of rainfall, with 132 mm (5.2 in) spread over 15 days and an average humidity of 88%. In contrast, July brings warmer conditions, with temperatures starting at a minimum of 18°C (64°F), averaging 25°C (78°F), and soaring to a maximum of 37°C (98°F). This month experiences even more rainfall, with 219 mm (8.6 in) falling over 20 days, accompanied by slightly higher humidity at 92%. For more specifics about July weather, you can visit Mashiko weather in July.

In June, the weather features a wide temperature range, with minimums around 12°C (53°F) and maximums reaching up to 33°C (92°F), making the average temperature a comfortable 22°C (71°F). However, this month also sees significant rainfall, with 132 mm (5.2 in) spread over 15 days and high humidity levels at 88%. In contrast, August is typically warmer, with minimum temperatures at 15°C (60°F) and maximums soaring to 36°C (98°F), pushing the average up to 27°C (81°F). Despite being slightly wetter with 136 mm (5.4 in) of rain over 16 days, August also experiences higher humidity at 92%. For a detailed overview of August weather, you can check Mashiko weather in August.

June and September present a transition in weather patterns, with both months experiencing relatively mild temperatures. June showcases a range from a minimum of 12°C (53°F) to a maximum of 33°C (92°F), averaging around 22°C (71°F). In contrast, September offers slightly warmer conditions, featuring temperatures that range from 11°C (53°F) to 34°C (94°F) and an average of 23°C (73°F). Precipitation is higher in September, with 153 mm (6.0 in) spread across 17 days, compared to June's 132 mm (5.2 in) over 15 days. Humidity remains quite similar, with June at 88% and September at 89%. For a closer look at September's weather patterns, you can check out Mashiko weather in September.

In June, the weather is warmer, with temperatures ranging from a minimum of 12°C (53°F) to a maximum of 33°C (92°F), averaging around 22°C (71°F). However, June is also characterized by high humidity levels at 88% and significant rainfall, averaging 132 mm (5.2 in) across 15 days. In contrast, October brings cooler temperatures, with a minimum of 4°C (40°F) and an average of 17°C (64°F), peaking at 32°C (89°F). The month sees increased rainfall, accumulating 210 mm (8.3 in) over 13 days, while maintaining a similar humidity level of 87%. For more insights into October's weather, you can refer to Mashiko weather in October.

June and November present stark contrasts in weather conditions. In June, temperatures range from a mild minimum of 12°C (53°F) to a sizzling maximum of 33°C (92°F), with an average of 22°C (71°F). The month is characterized by high humidity at 88% and significant rainfall, with 132 mm (5.2 inches) of precipitation spread over 15 days. In comparison, November experiences much cooler temperatures, with a minimum of -2°C (28°F) and an average of 12°C (53°F), peaking at 23°C (74°F). This month is notably drier, with only 56 mm (2.2 inches) of rain over just 6 days, and a slightly lower humidity level of 85%. For those wanting to know more about November weather specifics, check out Mashiko weather in November.

June and December present stark contrasts in weather conditions. In June, temperatures fluctuate from a mild minimum of 12°C (53°F) to a warm maximum of 33°C (92°F), with an average of 22°C (71°F). The month is characterized by high humidity at 88% and significant rainfall, totaling 132 mm (5.2 inches) over approximately 15 days. In contrast, December sees much cooler temperatures, ranging from a chilly minimum of -3°C (27°F) to a maximum of 19°C (67°F), with an average temperature of only 6°C (43°F). Precipitation is considerably lower at 48 mm (1.9 inches) over just 6 days, and humidity is slightly decreased at 86%. For more detailed information, you can check Mashiko weather in December.

Compare Mashiko's Climate with Cities Worldwide

Conclusion: What to Expect From June Weather in Mashiko

As June unfolds in Mashiko, the weather presents a refreshing contrast to the preceding months. With average temperatures hovering around a comfortable 22°C, the days can peak at a warm 33°C, inviting an invigorating outdoor experience after the cooler spring. However, the month also brings about increased precipitation, with rain gracing the landscape on approximately half the days, contributing to a humid environment with levels reaching 88%. This combination of warmth and moisture nurtures the lush greenery that Mashiko is famous for, setting the stage for vibrant summer blooms. For a deeper understanding of how June fits into the year's weather patterns, visit Mashiko Climate.