July Weather in Muroran, Japan

Last updated: August 21, 2025

July in Muroran, Japan offers a mild yet humid climate, with average temperatures hovering around 19°C (66°F). Daily highs can reach a pleasant 26°C (79°F), making it an inviting summer month for outdoor activities. However, visitors should be prepared for rain, as the region experiences significant precipitation, totaling 128 mm (5.0 in) over approximately 14 days. The humidity level remains high at 93%, contributing to the lush, verdant landscape typical of this coastal city. Whether enjoying the cooler breezes by the sea or exploring the surrounding nature, July presents a unique blend of warmth and moisture in Muroran.

July Temperature in Muroran

In July, Muroran, Japan enjoys a delightful summer climate, with temperatures making a noticeable shift from the colder months. The minimum temperature hovers around 13°C (55°F), while the average climbs to a comfortable 19°C (66°F), reaching a pleasant maximum of 26°C (79°F). This marked increase from June, where the maximum was 20°C (69°F), signals the peak of the warm season, inviting locals and visitors alike to indulge in outdoor activities. The warmth continues into August, emphasizing a trend of gradually rising temperatures that culminate in the vibrant summer months, providing a perfect backdrop for exploring this coastal gem.

July Weather in Muroran: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Muroran, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Muroran, July 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).
JanFebMarAprMayJunJulAugSepOctNovDec303036425058667066574634
Data source: Temperature data for Muroran generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

July Precipitation in Muroran

In July, Muroran experiences a notable peak in precipitation, recording 128 mm (5.0 in) of rainfall over an average of 14 days, marking it as one of the wettest months of the year. This trend of increasing rainfall is evident as it follows the already substantial 126 mm (5.0 in) in June, hinting at the onset of the rainy season. The gradual rise in moisture levels from 66 mm (2.6 in) in January to the summer highs suggests a shift towards more humid conditions, which typically culminates in August with an average of 194 mm (7.7 in). The pattern of sustained precipitation not only enriches the local landscape but also prepares it for the lush greenery that characterizes the following months. As the summer unfolds, Muroran's weather highlights a vibrant interplay between rain and the season's warmth.

July Precipitation Trends in Muroran

The chart displays monthly precipitation patterns in Muroran, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Muroran, July typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec66598186991261281941371279586
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Muroran

In Muroran, Japan, July marks the peak of humidity, reaching a notable 93%. This month, along with August's even higher 95%, signals the zenith of moisture in the air as summer fully embraces the region. Interestingly, humidity levels have been on the rise since spring, with May and June already showcasing elevated levels of 86% and 87%, respectively. The trend reflects a gradual buildup of moisture that culminates in the sweltering summer months, while the preceding winter months maintain a cool average, starting at 84% in January and tapering to a more comfortable 79% by November. As Muroran transitions from the milder autumn season to the hot summer, the humidity undoubtedly plays a significant role in defining the region's climate experience.

July Average Humidity in Muroran

This chart illustrates the average monthly humidity levels in Muroran, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Muroran is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%83%81%81%86%87%93%95%88%83%79%80%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Muroran

In July, Muroran experiences a very high UV Index of 9, maintaining the intense levels seen in June, which further emphasizes the need for sun protection. With a burn time of just 15 minutes, it's essential to be mindful of sun exposure during this peak summer month. This slight drop from June's maximum UV Index of 10 indicates a transition toward the end of the peak UV season, but caution is still paramount. As we look forward to August, the UV Index will rise again, reaching back to 10. For ongoing UV updates and to prepare for safe sun activities, check out Muroran UV Index.

Maximum UV Index Levels in Muroran for July

The chart shows the monthly maximum UV Index (UVI) for Muroran in July, 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 July, the maximum UV index in Muroran typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec23579109108632
Data source: Muroran July 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.

July Sunshine in Muroran

In Muroran, Japan, July shines brightly with an impressive 299 hours of sunshine, making it one of the sunniest months of the year. As the peak of summer, July follows closely behind June's robust 294 hours, showcasing a trend of consistent sunlight during these warm months. This vibrant stretch is a delightful contrast to the stark winter months, where sunlight dwindles to as low as 142 hours in January. The gradual increase from early spring, starting at 253 hours in March, further illustrates Muroran's transition into summer, where the sun dominates the sky and outdoor activities flourish. As the mercury rises, the extended daylight hours invite both locals and visitors to bask in the beauty of this picturesque coastal city.

Monthly Sunshine Duration in Muroran: July Highlighted

The July sunshine duration represents the total number of hours Muroran experiences direct sunlight during the month of July, excluding cloudy or obstructed periods. This chart compares the sunshine duration of July with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec142h195h253h285h300h294h299h277h265h235h183h170h
Data source: Muroran July Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Muroran During July

In Muroran, Japan, July presents a notably lower chance of sunny weather, with only 28% likelihood. This decline is particularly striking when compared to the preceding month of June, which enjoys a 43% chance of sunshine. As summer progresses, the tendency for overcast skies appears to strengthen, as indicated by the even lower percentages in August at 24%. Interestingly, while spring months like April peak at 45%, early summer doesn’t sustain that sunny momentum. This trend highlights a unique climatic pattern in Muroran, where the warmth of July doesn't necessarily translate to brighter days.

Percentage of Sunny Days in July in Muroran

The chart illustrates the percentage of sunny days in Muroran throughout the year, with July 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 Muroran experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec32%34%37%45%31%43%28%24%40%43%42%34%
Data source: Muroran July chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Muroran in July

In Muroran, Japan, July sees a delightful 14 hours of daylight, providing a perfect backdrop for summer activities. As the year progresses, daylight hours increase steadily from a modest 9 hours in January to a peak of 15 hours in June, showcasing the vibrant transition into summer. Following July, daylight begins to wane slightly, with August dipping to 13 hours. This pattern of increasing daylight in the spring, reaching its zenith in summer, and then gradually decreasing towards autumn reflects the region's beautiful seasonal rhythm, inviting residents and visitors alike to embrace the long, sunlit days of July.

Average Daylight Hours in Muroran for July

The chart illustrates the variation in daylight duration in Muroran throughout the year, with July highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 27m10h 32m11h 56m13h 22m14h 35m15h 12m14h 53m13h 49m12h 27m11h 2m9h 46m9h 7m
Data source: Muroran daylight hours, calculated by summing the hours between sunrise and sunset for each day.

July Winds in Muroran

In Muroran, Japan, July brings a notable transition in wind patterns as the average wind speed stabilizes at 4.3 m/s (10 mph). This marks a slight increase from June's calmer breezes, showcasing a gentle yet refreshing shift as summer settles in. Following the peak gusts of 7.1 m/s (16 mph) in February and more forceful months in the autumn and winter, the July winds remain relatively mild. As the summer progresses, the wind speed gradually ascends, indicating a prelude to the stronger currents of August, which rise to 5.2 m/s (12 mph). This trend highlights a seasonal rhythm, where the winds of Muroran shift from the brisk chill of winter to the softer, more enjoyable currents of summer, creating a perfect backdrop for outdoor activities and coastal adventures.

Average July Wind Speed in Muroran

The chart displays monthly wind speed patterns in Muroran, with values for each month shown alongside July's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how July's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec7.07.14.84.84.33.94.3 m/s5.24.24.86.46.7
Data source: Muroran July wind data, generated using information from the Copernicus Climate Change Service.

How July Weather in Muroran Compares to Other Months

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

July and January present stark contrasts in weather conditions. In July, temperatures range from a minimum of 13°C (55°F) to a maximum of 26°C (79°F), with an average of 19°C (66°F), accompanied by high humidity levels at 93%. The month sees considerable precipitation, totaling 128 mm (5.0 in) over approximately 14 days. In contrast, January experiences much colder temperatures, with a minimum of -9°C (16°F) and a maximum of 8°C (47°F), resulting in an average of -1°C (30°F). The precipitation is lower at 66 mm (2.6 in), occurring over 13 days, and while the humidity is also elevated at 84%, it is significantly lower than in July. For a closer look at January weather conditions in this region, visit Muroran weather in January.

July and February present stark contrasts in weather. In July, temperatures range from a minimum of 13°C (55°F) to a maximum of 26°C (79°F), with an average of 19°C (66°F). This month also sees significant precipitation with 128 mm (5.0 in) over 14 days and high humidity at 93%. In contrast, February is much colder, featuring temperatures that dip as low as -10°C (14°F) and only reach a maximum of 6°C (43°F), averaging -1°C (30°F). Precipitation is less frequent, totaling 59 mm (2.3 in) over 13 days, and humidity is lower at 83%. For a detailed look at February weather, you can visit Muroran weather in February.

In comparing the weather of July and March, July presents significantly warmer temperatures, with a minimum of 13°C (55°F) and an average of 19°C (66°F), peaking at 26°C (79°F). In contrast, March experiences much colder conditions, with temperatures ranging from a chilly minimum of -5°C (23°F) to a maximum of 10°C (50°F) and an average of only 2°C (36°F). Additionally, July is characterized by high humidity at 93% and greater precipitation of 128 mm (5.0 in) over 14 days, while March sees lower humidity at 81% and less rainfall overall, measuring 81 mm (3.2 in) across 9 days. For more details on March weather patterns, you can check Muroran weather in March.

When comparing the weather in July and April, it's clear that July is considerably warmer and more humid. The minimum temperature in July is 13°C (55°F), significantly higher than April's chilly 0°C (32°F), while the average temperature in July reaches 19°C (66°F), compared to just 6°C (42°F) in April. Additionally, July experiences more precipitation, averaging 128 mm (5.0 in) over 14 days, whereas April has a lower total of 86 mm (3.4 in) over 11 days. This added moisture contributes to July's higher humidity level of 93%, compared to April's 81%. For more details on April's weather, you can check Muroran weather in April.

In comparison to May, July experiences significantly warmer temperatures, with averages reaching 19°C (66°F) compared to May's cooler average of 10°C (50°F). On the warmest days, July can peak at 26°C (79°F), while May's maximum is a more modest 22°C (73°F). Precipitation is also more substantial in July, with 128 mm (5.0 in) spread over 14 days, compared to May's 99 mm (3.9 in) over 10 days. Humidity levels are higher in July at 93%, reflecting the season's mugginess, compared to May's relatively lower humidity of 86%. For further details on May weather, you can refer to Muroran weather in May.

In comparing the weather of July and June, July tends to be warmer and more humid. The average temperature in July is around 19°C (66°F), compared to June's more moderate average of 14°C (58°F). Additionally, July experiences a higher maximum temperature of 26°C (79°F) versus June's 20°C (69°F). Precipitation levels are similar, with July recording 128 mm (5.0 in) over 14 days and June slightly lower at 126 mm (5.0 in) over 11 days. The humidity in July is also higher at 93% compared to June's 87%. For a more detailed look at the conditions, you can check Muroran weather in June.

In comparing July and August weather, July features a milder temperature range with a minimum of 13°C (55°F) and an average of 19°C (66°F), peaking at 26°C (79°F). Precipitation is notable in July, totaling 128 mm (5.0 in) over 14 days, along with high humidity at 93%. In contrast, August brings slightly warmer temperatures, with a minimum of 16°C (61°F), an average of 21°C (70°F), and a maximum of 27°C (82°F). However, it also experiences increased precipitation at 194 mm (7.7 in) over 15 days and a marginally higher humidity level at 95%. For more detailed information about the weather in August, you can refer to Muroran weather in August.

In comparing the weather between July and September, we see some notable similarities and differences. Both months share a minimum temperature of around 13°C (55°F), while September experiences slightly higher maximum temperatures, averaging 27°C (81°F) compared to July's 26°C (79°F). The average temperatures remain consistent between the two months, at 19°C (66°F) in July and 19°C (67°F) in September. In terms of precipitation, July sees a total of 128 mm (5.0 in) over 14 days, whereas September has a bit more rainfall at 137 mm (5.4 in), occurring over 13 days. Additionally, September's humidity is slightly lower at 88%, compared to July's higher humidity of 93%. For more detailed insights, you can explore Muroran weather in September.

July and October present distinct weather patterns, marking a significant transition from summer to autumn. In July, temperatures range from a minimum of 13°C (55°F) to a maximum of 26°C (79°F), with an average of 19°C (66°F). The month experiences high humidity at 93% and sees about 128 mm (5.0 in) of precipitation over 14 days. In contrast, October brings cooler temperatures, with a minimum of 6°C (43°F), an average of 14°C (58°F), and a maximum of 23°C (73°F). The precipitation remains similar at 127 mm (5.0 in), but it falls over fewer days, totaling 12. Humidity levels also decrease to 83%, creating a crisper feel in the air. For more specific weather details, you can refer to Muroran weather in October.

In July, the weather is warm and humid, with temperatures ranging from a minimum of 13°C (55°F) to a maximum of 26°C (79°F), and an average of 19°C (66°F). The month also sees significant rainfall, totaling 128 mm (5.0 in) over about 14 days, contributing to a high humidity level of 93%. In contrast, November brings cooler temperatures, with a minimum of -3°C (28°F) and a maximum of 17°C (62°F), averaging around 8°C (46°F). While precipitation decreases to 95 mm (3.8 in) spread over 13 days, the humidity drops to a more comfortable 79%. For more detailed information, you can check Muroran weather in November.

In July, the weather in Muroran is much warmer, with average temperatures ranging from a minimum of 13°C (55°F) to a maximum of 26°C (79°F). This month also experiences higher humidity levels at 93% and significant rainfall, with 128 mm (5.0 in) of precipitation spread over 14 days. In contrast, December brings much chillier conditions, with temperatures averaging 1°C (35°F) and reaching a maximum of 13°C (56°F), but dropping as low as -6°C (21°F). Although December has lower overall precipitation at 86 mm (3.4 in), it sees rainfall on more days, totaling 21 days, while humidity decreases to 80%. For a closer look at December weather patterns, visit Muroran weather in December.

Compare Muroran's Climate with Cities Worldwide

Conclusion: What to Expect From July Weather in Muroran

In July, Muroran experiences a shift towards warmer temperatures, presenting an inviting atmosphere for both locals and visitors. With an average temperature that comfortably hovers around the mid-teens, the month stands out as one of the warmest of the year. However, the high humidity levels, reaching up to 93%, can make the warmth feel more intense, creating a distinct tropical vibe that contrasts with the cooler months. Rainfall is relatively frequent, with an average of 14 rainy days, contributing to the lush greenery that defines the region. For a deeper understanding of Muroran's unique climate patterns throughout the year, visit Muroran Climate.