Last updated: August 21, 2025
In June, Muroran, Japan experiences a mild transition into summer, with maximum temperatures reaching 20°C (69°F) and an average of 14°C (58°F). The weather is characterized by high humidity levels at 87%, contributing to a feeling of warmth despite the pleasant temperatures. Rain is a regular feature during this month, with 126 mm (5.0 in) of precipitation spread across 11 days. Whether you're exploring the lush scenery or enjoying local festivals, June's climate provides a refreshing backdrop for any outdoor activity in this charming coastal city.
In June, Muroran, Japan begins to shed the chill of winter, welcoming warmer temperatures that herald the arrival of summer. The month sees a noticeable rise in thermometers, with average temperatures reaching a comfortable 14°C (58°F), while daily highs can peak at 20°C (69°F). This transition is marked by a minimum temperature of 9°C (48°F), indicating a shift from the previous months’ frosty lows. As the warmth begins to settle in, residents enjoy longer days that burst with vibrant greenery, making June a delightful time to explore the city's natural beauty and outdoor activities.
In June, Muroran experiences a significant uptick in precipitation, with 126 mm (5.0 in) of rain falling over 11 days. This marks a noticeable increase from the previous month, where the total was 99 mm (3.9 in) spread across just 10 days. The trend continues into July, with precipitation peaking at 128 mm (5.0 in), indicating the onset of a wetter season as summer approaches. Notably, the cumulative rainfall in June not only highlights the region's capacity for moisture but also sets the stage for the heavier downpours expected in August, which averages 194 mm (7.7 in). This pattern underscores Muroran's transition from the relatively drier spring months to a much more saturated summer, making June a pivotal month for precipitation in the area.
June in Muroran, Japan, marks a noticeable shift in humidity, reaching 87%, which sets the stage for the city's peak humid conditions in the following months. This slight increase from May's 86% foreshadows the oppressive 93% humidity of July and the sweltering 95% in August. As the summer progresses, the humidity remains high, painting a stark contrast to the cooler months of the year, where levels dip into the low 80s. This trend underscores Muroran's transition into a humid climate, making late spring and summer a decidedly sticky affair for residents and visitors alike.
In June, Muroran, Japan, experiences a very high UV Index of 10, marking the peak of the spring transition into summer. With a burn time of just 15 minutes, it's crucial for residents and visitors to take sun safety seriously during this month. This trend of increasing UV exposure can be observed as early spring months, like April and May, show a marked rise from a moderate Index of 7 to very high levels, reflecting the intensifying sun. As the year progresses into July and August, the UV Index remains similarly high, necessitating continued vigilance against sunburn. For more detailed insights on UV levels throughout the year, visit Muroran UV Index.
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June in Muroran, Japan, basks in an impressive 294 hours of sunshine, maintaining its position as a luminous prelude to summer. This month continues the upward trend established in late spring, with May kicking off the season with 300 hours of radiant light. As the days extend through May and into June, the city enjoys a rich tapestry of sunlight, bridging the gap between the verdant bloom of spring and the warm embrace of summer. While July slightly surpasses June with 299 hours of sunshine, the gradual decline into August, which sees 277 hours, marks the start of a gentle tapering off as the vibrant summer days begin to yield to the cooler tones of autumn. Overall, the sunshine data paints a picture of Muroran as a sunlit haven, flourishing in June's warmth and setting the stage for the sun-kissed days of summer.
In Muroran, Japan, June offers a 43% chance of sunny weather, making it a refreshing transition into summer. This likelihood stands out against the backdrop of May's 31%, indicating a promising increase as the seasons change. As we move further into the year, June's sunshine potential follows a general upward trend from the relatively cooler months, and while July dips to 28%, September shows a recovery with 40%. Overall, June strikes a balance between spring's modest sun and the summer's unpredictable skies, offering residents and visitors alike a delightful opportunity to enjoy the vibrant natural beauty of the area.
As June arrives in Muroran, Japan, the days reach their zenith with 15 hours of daylight, a significant increase from the 9 hours seen in January. This seasonal shift showcases a gradual rise in daylight that begins in the depths of winter, steadily climbing through spring's renewal. By May, the sun lingers longer, hinting at the height of summer just around the corner. Following June, daylight begins to wane again in July and August, transitioning back toward shorter days. This oscillation between extremes creates a dynamic rhythm throughout the year, allowing residents and visitors to fully embrace the vibrant energy of summer's long evenings.
In Muroran, Japan, the June winds are a gentle whisper compared to the blustery start of the year. With an average wind speed of 3.9 m/s (9 mph), June marks a noticeable dip from the harsher conditions of winter, making way for a more temperate climate. This decline in wind intensity from the earlier months is part of a gradual trend that peaks again in the late summer and fall. While January and February boast stronger gusts averaging around 7.0 m/s, winds in the latter half of the year begin to rise slightly, culminating in November's brisk 6.4 m/s. Overall, June serves as a transitional period, embracing a calmer atmosphere just before the winds pick up again, inviting locals and visitors alike to enjoy the gentle breezes of early summer.
Weather in Muroran varies notably across the year, with each month offering distinct climate conditions. This page compares June’s weather to other months in Muroran, focusing on differences in temperature, rainfall, humidity, and UV levels.
June and January in Muroran present stark contrasts in weather. June offers milder temperatures, with an average of 14°C (58°F) and highs reaching up to 20°C (69°F), while January typically sees a chilly average of -1°C (30°F) and peak temperatures around 8°C (47°F). Additionally, June experiences significantly higher precipitation, with 126 mm (5.0 in) over 11 days compared to January's 66 mm (2.6 in) over 13 days. Humidity levels are slightly higher in June at 87%, while January maintains a humidity level of 84%. For a detailed look at January's conditions, you can visit Muroran weather in January.
In comparing the weather of June and February, it’s clear that June is significantly warmer with average temperatures ranging from a minimum of 9°C (48°F) to a maximum of 20°C (69°F), whereas February experiences much colder temperatures, with averages from -10°C (14°F) to a maximum of 6°C (43°F). While June enjoys higher humidity at 87%, February's humidity is slightly lower at 83%. In terms of precipitation, June sees more rainfall, accumulating 126 mm (5.0 in) over 11 days, compared to February's 59 mm (2.3 in) across 13 days. For more details on February's weather, visit Muroran weather in February.
In comparing the weather between March and June, it's clear that June is significantly warmer, with average temperatures rising from March's chill of 2°C (36°F) to a more pleasant 14°C (58°F). While March experiences a maximum temperature of only 10°C (50°F), June peaks at 20°C (69°F). Precipitation is also more pronounced in June, totaling 126 mm (5.0 in) over 11 days, compared to March's 81 mm (3.2 in) across 9 days. Additionally, June's humidity is higher at 87%, compared to 81% in March. For a closer look at March weather specifics, you can visit Muroran weather in March.
June weather is generally milder and more humid compared to April. With average temperatures ranging from a minimum of 9°C (48°F) to a maximum of 20°C (69°F), June is notably warmer than April, which has temperatures ranging from a chilly 0°C (32°F) to a maximum of 15°C (59°F). Additionally, June experiences higher precipitation levels, totaling 126 mm (5.0 in) over 11 days, compared to April’s 86 mm (3.4 in) during the same number of days. The humidity in June is also higher at 87% compared to April’s 81%. For more detailed insights into April weather, you can check Muroran weather in April.
In comparing the weather of June and May, June typically experiences a slightly warmer average temperature, with a range from a minimum of 9°C (48°F) to a maximum of 20°C (69°F), compared to May's temperatures of 5°C (41°F) to 22°C (73°F). However, May has a slightly higher maximum temperature, indicating warmer days despite having an overall lower average. Rainfall also increases in June, with 126 mm (5.0 in) over 11 days, compared to May's 99 mm (3.9 in) over 10 days. Humidity remains high in both months, with June at 87% and May slightly lower at 86%. For more detailed insights into May's climate, you can check out Muroran weather in May.
June and July present distinct shifts in weather patterns. In June, temperatures range from a low of 9°C (48°F) to a high of 20°C (69°F), with an average of 14°C (58°F). It sees considerable rainfall, accumulating 126 mm (5.0 in) over 11 days, while humidity lingers at 87%. Conversely, July experiences warmer conditions, with temperatures fluctuating between 13°C (55°F) and 26°C (79°F), averaging at 19°C (66°F). Although precipitation slightly increases to 128 mm (5.0 in) over 14 days, the humidity rises to 93%. These factors make July more humid and overall warmer than June. For a detailed perspective on July weather, visit Muroran weather in July.
June and August weather differ significantly in temperature and precipitation patterns. June experiences cooler temperatures, with a minimum of 9°C (48°F) and an average of 14°C (58°F), while August warms up considerably, featuring a minimum of 16°C (61°F) and an average of 21°C (70°F). Additionally, August sees more precipitation, with 194 mm (7.7 in) over 15 days compared to June's 126 mm (5.0 in) over 11 days. The humidity is also higher in August at 95%, compared to June's 87%. For more details, you can check Muroran weather in August.
June and September present distinct weather patterns, with September typically being warmer and drier. In June, the temperatures range from a minimum of 9°C (48°F) to a maximum of 20°C (69°F), while September sees higher averages, with temperatures ranging from a minimum of 13°C (56°F) to a maximum of 27°C (81°F). Precipitation is slightly higher in September, totaling 137 mm (5.4 in) over 13 days compared to June's 126 mm (5.0 in) over 11 days. Humidity remains consistently high in both months, with June at 87% and September at 88%. For more detailed information on the weather in September, visit Muroran weather in September.
In June, temperatures in Muroran range from a minimum of 9°C (48°F) to a maximum of 20°C (69°F), with an average of 14°C (58°F). The month experiences 126 mm (5.0 in) of precipitation spread over 11 days, contributing to a high humidity level of 87%. In contrast, October sees slightly cooler temperatures with a minimum of 6°C (43°F) and a maximum of 23°C (73°F), while maintaining the same average of 14°C (58°F). Precipitation increases slightly to 127 mm (5.0 in) over 12 days, but humidity decreases to 83%. For more details, check out Muroran weather in October.
June and November present contrasting weather conditions. In June, temperatures range from a minimum of 9°C (48°F) to a maximum of 20°C (69°F) with an average of 14°C (58°F). The month sees significant rainfall, accumulating 126 mm (5.0 in) over approximately 11 days, accompanied by high humidity levels at 87%. In comparison, November experiences cooler temperatures, with a minimum of -3°C (28°F) and a maximum of 17°C (62°F), averaging 8°C (46°F). Precipitation decreases to 95 mm (3.8 in) over 13 days, and humidity is lower at 79%. For more detailed information, you can check Muroran weather in November.
June and December present contrasting weather conditions. In June, temperatures range from a minimum of 9°C (48°F) to a maximum of 20°C (69°F), with an average of 14°C (58°F). Despite being a warmer month, June experiences significant precipitation, totaling 126 mm (5.0 in) over 11 days, accompanied by high humidity at 87%. In stark contrast, December sees much colder temperatures, with a minimum of -6°C (21°F), an average of 1°C (35°F), and a maximum of 13°C (56°F). Precipitation in December is lower at 86 mm (3.4 in) but occurs over more days, totaling 21 days, and humidity is relatively lower at 80%. For more detailed insights into December's weather, consider checking Muroran weather in December.
June in Muroran presents a transition into the warmer months, with temperatures rising compared to the cooler spring days. The average temperature hovers around a pleasant 14°C (58°F), making it a notable shift from the colder winter and brisk early spring. Humidity levels peak at a high 87%, contributing to a lush, verdant landscape, even as precipitation increases, with rain gracing approximately 11 days of the month. This contrast sets June apart from the drier months that follow. To learn more about the diverse weather patterns throughout the year, explore Muroran Climate.