Last updated: August 21, 2025
August in Shiogama, Japan presents a vibrant mix of warm temperatures and humid conditions. Daily highs reach a balmy 32°C (89°F), with an average temperature lingering around 25°C (77°F), providing ideal weather for summer activities. However, visitors should be prepared for occasional showers, as the region sees 213 mm (8.4 in) of precipitation spread over 18 days, contributing to a high humidity level of 92%. This unique blend of warmth and moisture creates a lush environment, making it a perfect time to experience the natural beauty and cultural richness of Shiogama.
In August, Shiogama experiences its warmest temperatures of the year, with minimums hovering around 17°C (63°F) and averages reaching a pleasant 25°C (77°F). The highs can soar to 32°C (89°F), providing a perfect backdrop for summer activities and beach outings. As the warmest month, August marks a significant shift from the cooler earlier months, where temperatures gradually increase from the chilly depths of winter in January. This trend of rising temperatures culminates in a vibrant month filled with sunshine, making it an ideal time for visitors to explore the beauty and culture of Shiogama, while enjoying the lively summer atmosphere.
In August, Shiogama experiences a significant amount of rainfall, with 213 mm (8.4 in) recorded over 18 days. This is a slight decrease from July's intense 227 mm (8.9 in) but still contributes to the region's overall wet summer. The trend highlights the peak of the rainy season, where precipitation starts to taper off as autumn approaches. Notably, the month stands out for its steady rain, creating lush landscapes and sustaining the local flora, despite being fewer rainy days compared to July. As summer gives way to fall, Shiogama continues to receive substantial moisture, setting the stage for a vibrant seasonal transition.
In August, Shiogama experiences a peak in humidity, maintaining a high level of 92%, consistent with the trends established in July. This summer month is characterized by sticky conditions that come after an upward climb from the lower humidity levels of spring, where averages hovered around 75% to 80%. The transition from the drier months of April and May to the sultry summer months illustrates the region's shift into a more tropical climate, with high humidity persisting into September at 86%. This pattern underscores Shiogama's seasonal fluctuations, where summer brings not only warmth but also an embrace of moisture-laden air, enhancing the overall sensory experience of this coastal city.
In August, Shiogama, Japan, experiences its peak UV Index at an intense 11, placing it in the extreme exposure category, where even brief sun exposure can lead to significant skin damage in just 10 minutes. This trend mirrors July's conditions, indicating a summer pattern characterized by high UV radiation that demands diligent sun protection. As the month progresses towards September, a slight decline to a UV Index of 9 is expected, shifting back to the very high exposure category. Overall, the summer months in Shiogama showcase a clear escalation in UV levels, making it crucial for residents and visitors to stay vigilant and informed. For more details on UV levels throughout the year, visit Shiogama UV Index.
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August in Shiogama, Japan, shines brightly with 271 hours of sunlight, continuing the trend of warm summer days that peaks in this vibrant month. Following a gradual increase from 167 hours in January, sunshine reaches its zenith in May with 292 hours, before slightly tapering off during the late summer months. Despite the decrease in July, August maintains a robust level of brightness, aligning closely with the sunniness of April. As the seasons turn toward autumn, the hours of sunshine begin to dwindle, dipping to 247 hours in September. This pattern highlights the captivating rhythm of Shiogama's climate, where summer's warmth lingers delightfully into August, beckoning residents and visitors alike to bask in the sun's glow.
In Shiogama, Japan, the likelihood of sunny weather tends to fluctuate throughout the year, with a noticeable decline during the summer months. August, in particular, offers a modest 29% chance of sunshine, continuing a trend seen in both June and July, which also hover around lower percentages at 26%. This dip contrasts sharply with the sunnier months earlier in the year, such as February, boasting a robust 61% chance, and November, which climbs back to 61% as well. While August may not shine as brightly as some earlier months, it serves as a reminder of the region's overall variability, showcasing that even during the summer, sunshine is not guaranteed.
In Shiogama, Japan, August brings approximately 13 hours of daylight, marking a gradual transition from the summer's peak brightness. Following a record high of 14 hours in the months prior, August sees a slight dip, hinting at the impending arrival of autumn. This trend reflects the shifting balance of daylight throughout the year, as the longer summer days gradually give way to shorter ones in September. The daylight durations illustrate a predictable rhythm, with January and December featuring the least light at just 9 hours, while the spring and summer months bask in the sun, reaching their zenith in June and July before the gradual descent begins. Overall, August serves as a poignant reminder of the fleeting warmth and light of summer, inviting residents and visitors alike to relish the remaining sunny days.
In August, Shiogama experiences a gentle breeze with an average wind speed of 3.5 m/s (8 mph), reflecting a slight uptick from the calmer winds of July. This month’s winds are part of a broader trend in the summer season, where wind speeds gradually decline from the spring's invigorating gusts. As the year progresses into the fall, the wind picks up again, reaching an average of 3.6 m/s (8 mph) in September. Notably, while winter months like January and February boast stronger winds—averaging 4.2 m/s (9 mph) and 5.1 m/s (11 mph), respectively—the late summer signals a serene calmness that invites leisurely evenings along the picturesque coastline.
Weather in Shiogama varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Shiogama, focusing on differences in temperature, rainfall, humidity, and UV levels.
August and January present starkly contrasting weather patterns. In August, temperatures range from a minimum of 17°C (63°F) to a maximum of 32°C (89°F), with an average of 25°C (77°F), creating a warm and humid atmosphere with an impressive 213 mm (8.4 in) of rain over 18 days, resulting in a humidity level of 92%. In contrast, January experiences a much colder climate, with temperatures dipping as low as -5°C (23°F) and peaking at only 13°C (55°F), culminating in an average temperature of 3°C (37°F). Precipitation in January is significantly lower at 52 mm (2.0 in) and occurs over just 9 days, with a humidity of 80%. For more detailed information about January weather, you can refer to Shiogama weather in January.
August and February present strikingly different weather conditions. In August, temperatures range from a minimum of 17°C (63°F) to a maximum of 32°C (89°F), with an average of 25°C (77°F). The month is characterized by high humidity at 92% and considerable precipitation of 213 mm (8.4 in) over 18 days. In contrast, February experiences much colder temperatures, with a minimum of -6°C (22°F) and a maximum of 15°C (59°F), averaging only 3°C (38°F). Precipitation in February is significantly lower at 42 mm (1.7 in) over 8 days, and humidity stands at 79%. For more detailed information about Shiogama's weather in February, you can visit Shiogama weather in February.
August and March present contrasting weather conditions, highlighting the seasonal variations. In August, temperatures are significantly warmer, ranging from a minimum of 17°C (63°F) to a maximum of 32°C (89°F), with an average temperature of 25°C (77°F). The month is characterized by high humidity at 92% and substantial rainfall, totaling 213 mm (8.4 in) over 18 days. In stark contrast, March experiences much cooler temperatures, with a minimum of -1°C (31°F) and a maximum of 19°C (66°F), averaging just 7°C (44°F). March also has lower precipitation levels at 114 mm (4.5 in) over 11 days and a relative humidity of 77%. This comparison underscores how August's warm, humid climate sharply contrasts with the chilly, damp conditions typical of March. For more detailed information on March weather, refer to Shiogama weather in March.
August and April showcase stark contrasts in weather patterns. August is characterized by much warmer temperatures, with daily averages around 25°C (77°F) and highs reaching up to 32°C (89°F), accompanied by high humidity at 92%. Additionally, it experiences substantial rainfall, totaling 213 mm (8.4 in) over 18 days. In contrast, April presents a cooler climate, with average temperatures only at 10°C (51°F) and highs of 21°C (70°F). This month sees less precipitation, measuring 113 mm (4.5 in) over 12 days, and has a lower humidity level of 75%. For more detailed information on April weather, visit Shiogama weather in April.
In comparing the weather between May and August, we see notable differences in temperature, precipitation, and humidity. August typically experiences higher temperatures, with a minimum of 17°C (63°F) and an average of 25°C (77°F), peaking at 32°C (89°F). In contrast, May starts much cooler, with temperatures ranging from a minimum of 7°C (45°F) to an average of 16°C (61°F) and a maximum of 25°C (77°F). Additionally, August faces significantly more rainfall, averaging 213 mm (8.4 in) over 18 days, while May sees less precipitation at 111 mm (4.4 in) across just 11 days. The humidity is also higher in August at 92%, compared to 80% in May, making it feel more humid and sticky during the summer months. For more detailed information, you can check Shiogama weather in May.
In comparing the weather of August and June, August tends to be significantly warmer and more humid. The temperatures in August range from a minimum of 17°C (63°F) to a maximum of 32°C (89°F), with an average of 25°C (77°F), whereas June offers milder conditions with temperatures ranging from 12°C (54°F) to 27°C (80°F) and an average of 19°C (67°F). Additionally, August experiences much higher precipitation, totaling 213 mm (8.4 in) over 18 days, compared to June's 99 mm (3.9 in) over 13 days. The humidity also rises in August, reaching 92%, while June maintains a slightly lower level at 87%. For more detailed information, you can check Shiogama weather in June.
In comparing the weather patterns of July and August, both months exhibit warm temperatures with similar minimum and maximum ranges, as both peak at 32°C (89°F) and feature a minimum of 17°C (63°F). However, August averages slightly warmer at 25°C (77°F), in contrast to July's average of 23°C (74°F). Precipitation levels are relatively high for both months, with July receiving 227 mm (8.9 in) over 19 days compared to August's 213 mm (8.4 in) across 18 days. Notably, the humidity remains consistent at 92% for both months, contributing to a muggy atmosphere. For a more detailed breakdown of July's weather, you can check Shiogama weather in July.
August tends to be warmer and more humid than September, with average temperatures reaching up to 25°C (77°F). In contrast, September sees a decrease in average temperature to 22°C (72°F), along with cooler minimum temperatures. While both months experience rainfall, August is wetter, receiving 213 mm (8.4 in) over 18 days compared to September’s 163 mm (6.4 in) over 14 days. Humidity levels also drop slightly from 92% in August to 86% in September, providing a bit more comfort as summer transitions to autumn. For more details about September weather, you can check Shiogama weather in September.
August and October present quite contrasting weather patterns. In August, the temperatures are notably warmer, with minimums around 17°C (63°F), averaging 25°C (77°F), and reaching highs of 32°C (89°F). The month is also characterized by high humidity at 92% and frequent rainfall, recording 213 mm (8.4 in) over 18 days. In contrast, October sees a significant drop in temperature, with minimums dipping to 8°C (47°F) and average temperatures around 17°C (62°F). Although it still experiences considerable rainfall, with 229 mm (9.0 in) over 12 days, the humidity is slightly lower at 82%. For more detailed information, check Shiogama weather in October.
In comparing the weather between August and November, one can see a significant change in temperature and precipitation. August boasts a warm climate with average temperatures around 25°C (77°F) and highs reaching up to 32°C (89°F), accompanied by heavy rainfall totaling 213 mm (8.4 in) spread over 18 days, leading to a high humidity level of 92%. In contrast, November experiences much cooler conditions, with average temperatures dropping to 11°C (52°F) and maximums of just 20°C (67°F). The month sees considerably less rainfall at 39 mm (1.5 in) over only 8 days, and a lower humidity of 79%. For more detailed information, you can check Shiogama weather in November.
August and December present strikingly different weather conditions. In August, temperatures soar with a minimum of 17°C (63°F) and an average high of 32°C (89°F), accompanied by high humidity levels at 92%. This month is also quite rainy, with 213 mm (8.4 in) of precipitation spread across 18 days. In contrast, December experiences much colder temperatures, featuring a minimum of -2°C (28°F) and an average high of only 15°C (60°F). Precipitation decreases significantly to 58 mm (2.3 in) over 11 days, and while humidity is lower at 80%, the chill in the air is palpable. For a closer look at what December weather has to offer in Shiogama, check out Shiogama weather in December.
August in Shiogama stands out with its hot and humid climate, as temperatures peak at an average of 25°C while occasionally soaring to a blistering 32°C. In contrast to milder months, this peak temperature invites more outdoor activities, but the high humidity—hovering around 92%—can make it feel even warmer. August brings a significant amount of rain, averaging 213 mm over 18 days, which also differentiates it from the drier periods of the year. If you're keen on understanding the nuances of Shiogama’s weather patterns throughout the year, be sure to check out Shiogama Climate for a comprehensive overview.