Last updated: August 21, 2025
Discover the vibrant weather of Uwajima, Japan, in August, where the warmth of summer reaches a maximum temperature of 36°C (97°F) and averages a comfortable 28°C (83°F). Visitors can expect mild evenings, with lows around 20°C (69°F). This month sees considerable precipitation, totaling 192 mm (7.5 in), with rain occurring on approximately 14 days. Coupled with a high humidity level of 91%, the atmosphere can feel particularly tropical, creating a lush environment ripe for exploration and enjoyment amidst the seasonal showers.
In August, Uwajima, Japan, experiences warm and tropical conditions that peak in summer, with minimum temperatures averaging around 20°C (69°F) and soaring to a maximum of 36°C (97°F). This month sees an average temperature of 28°C (83°F), making it one of the hottest periods of the year. Following the trend from the previous months, the city's temperatures rise steadily from July, where average highs reach 35°C (96°F), signaling a clear progression into the heat of late summer. Notably, the increase in warmth is complemented by the humid air typical of the season, creating a lively atmosphere ideal for outdoor activities and exploring the region's beautiful scenery before the cooler temperatures of autumn set in.
In Uwajima, Japan, August marks a significant shift in the summer monsoon pattern, with precipitation amounting to 192 mm (7.5 in) over approximately 14 days of rain. This is slightly less than July's peak of 353 mm (13.9 in), which is characterized by the heaviest rainfall of the year. Despite the decrease, August maintains a substantial level of precipitation, mirroring September's totals while still indicating a gradual tapering of the intense summer rains. The consistent rainfall during this month underscores a transition towards autumn, as the overall pattern reveals that June through August are the wettest months, contributing to the lush landscapes of the region while paving the way for clearer skies in the later months.
August in Uwajima, Japan, brings a noticeable high in humidity, averaging 91%. This trend continues from the previous month of July, which sees the year’s peak at 92%. The summer months in Uwajima showcase a pattern of increasing humidity, starting from a milder 75% in January and gradually rising, with significant jumps in May and June. After August, humidity levels start to dip slightly in September, aligning with the onset of autumn. Overall, August exemplifies the peak of a humid summer, setting the tone for the transitional months ahead.
In August, Uwajima, Japan experiences an extreme UV Index of 12, similar to both July and May, indicating that sun protection is essential with a burn time as short as 10 minutes. This trend toward higher UV levels continues from the previous months, highlighting a peak exposure period that begins in late spring and persists through summer. As the heat intensifies, the very high UV Index seen in March and April gives way to the dangerous extremes of late summer. As the summer sun casts its relentless rays, it’s crucial to stay vigilant about sun safety. For more details and daily updates, check out Uwajima UV Index.
UV Risk Categories
August shines particularly bright in Uwajima, Japan, boasting an impressive 308 hours of sunshine—the highest of the year. As summer reaches its peak, this dynamic month stands out against the backdrop of the year's gradually changing sunlight, starting at 184 hours in January and steadily increasing through spring. The upward trend continues through July, which enjoys 281 hours, but August truly captures the essence of summer with its vibrant warmth and extended daylight. Following this sunny climax, September sees a gentle decline to 265 hours, signaling the start of autumn while still retaining a generous amount of sun. Overall, Uwajima's sunshine patterns reveal a clear journey towards the long, bright days of summer, illustrating the region's unique seasonal charm.
In August, Uwajima typically experiences a 29% chance of sunny weather, which is on par with the lower probabilities seen in May and July. This slight dip in sunshine likelihood is representative of a broader trend observed during the summer months, where June and July exhibit even lower chances of clear skies, at 23% and 24%, respectively. As summer wanes into September, the likelihood of sun increases to 35%, suggesting a potential shift toward more favorable weather as autumn approaches. Overall, while August does not stand out for sunbathing or outdoor activities, it still offers a fair chance to enjoy the beauty of Uwajima amid the occasional sunny intervals.
In Uwajima, Japan, August marks a gentle decline in daylight hours, with the sun gracing the skies for about 13 hours each day. This is a continuation of the summer's peak, where June and July enjoyed 14 hours of daylight, offering ample sunlight for outdoor activities and summer festivities. As summer transitions into autumn, September sees a slight decrease to 12 hours, hinting at the upcoming change in seasons. Overall, the daylight trend reflects a gradual ebb—starting from the winter months with only 10 hours in January and February, rising through a vibrant spring and summer, and then softly tapering off as the year progresses toward shorter days in winter.
August in Uwajima, Japan, brings a gentle revival of winds, with average speeds reaching 3.4 m/s (8 mph), a refreshing contrast to the sluggish breezes of summer's peak in July, which dip to just 2.5 m/s (5 mph). As temperatures rise, this slight uptick in wind speed offers a welcome respite, hinting at the transitional shift towards the more invigorating months of autumn. Notably, August stands alongside April and November in maintaining a consistent wind flow, showcasing the region's unique climate patterns. Overall, the August breeze carries a subtle promise of change, blending the warmth of summer with the cool whispers of the upcoming seasons.
Weather in Uwajima varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Uwajima, focusing on differences in temperature, rainfall, humidity, and UV levels.
August and January present starkly contrasting weather conditions. August boasts warm temperatures, with an average of 28°C (83°F), reaching a maximum of 36°C (97°F) and accompanied by high humidity levels at 91%. The month experiences significant precipitation, with 192 mm (7.5 in) spread over 14 days. In contrast, January is much cooler, with temperatures ranging from a chilly minimum of -2°C (28°F) to a maximum of 17°C (64°F) and an average of only 7°C (45°F). This month sees much less rain, totaling 53 mm (2.1 in) over just 8 days, and a lower humidity level of 75%. For a detailed look at January weather conditions, you can visit Uwajima weather in January.
August and February showcase distinctly different weather patterns. In August, temperatures soar with a minimum of 20°C (69°F), averaging around 28°C (83°F) and peaking at 36°C (97°F). This heat is accompanied by high humidity levels of 91% and significant rainfall, totaling 192 mm (7.5 in) across 14 days. In contrast, February presents a much cooler climate, with temperatures ranging from a chilly -2°C (28°F) at night to an average of 8°C (46°F) during the day, with a maximum of 20°C (69°F). Precipitation is less abundant in February, amounting to 86 mm (3.4 in) over 10 days, and humidity is lower at 71%. For those looking to understand February's climate in more detail, visit Uwajima weather in February.
August and March present stark contrasts in weather conditions. In August, temperatures soar with a minimum of 20°C (69°F) and an average of 28°C (83°F), reaching a maximum of 36°C (97°F). This month also experiences high humidity levels at 91%, along with significant precipitation totaling 192 mm (7.5 in) over 14 days. In contrast, March offers a much cooler climate, with temperatures ranging from a minimum of 1°C (35°F) to a maximum of 23°C (74°F) and an average of 12°C (54°F). While March sees less rainfall at 129 mm (5.1 in) over 11 days, it maintains a lower humidity level of 71%. For more details on March weather, you can visit Uwajima weather in March.
When comparing the weather of August and April, a stark contrast emerges in temperature and humidity levels. August features much warmer conditions, with average temperatures reaching 28°C (83°F) and highs soaring to 36°C (97°F), while April's temperatures are significantly cooler, averaging 16°C (61°F) and peaking at 26°C (78°F). Additionally, August experiences higher precipitation, with 192 mm (7.5 in) spread across 14 rainy days, compared to April's 126 mm (5.0 in) over just 8 days. The humidity also remains notably higher in August at 91%, compared to April's 78%. For more detailed insights into the April climate, visit Uwajima weather in April.
When comparing the weather in August and May, one can observe significant differences in temperature and humidity levels. August typically experiences warmer conditions, with an average temperature of 28°C (83°F) and highs reaching up to 36°C (97°F). In contrast, May has cooler temperatures, averaging 20°C (68°F) and peaking at 30°C (87°F). While both months have considerable rainfall, August sees more precipitation at 192 mm (7.5 in) over 14 days, compared to May's 165 mm (6.5 in) over 10 days. Additionally, August has a higher humidity level of 91% compared to May's 84%. For more information, you can check Uwajima weather in May.
In comparing the weather between June and August, August generally presents a warmer and more humid climate. The temperatures in August range from a minimum of 20°C (69°F) to a maximum of 36°C (97°F), with an average temperature of 28°C (83°F). In contrast, June's temperatures are cooler, with a minimum of 14°C (57°F), an average of 23°C (74°F), and a maximum of 30°C (86°F).
While both months experience precipitation over 14 days, August sees slightly less rain at 192 mm (7.5 in) compared to June's 215 mm (8.5 in). Additionally, the humidity in August is notably higher at 91%, compared to June's 86%. For more detailed information about June weather, you can visit Uwajima weather in June.
In comparing the weather of August and July, August tends to be slightly warmer, with average temperatures reaching 28°C (83°F) compared to July's 27°C (80°F). Additionally, both months experience high humidity levels, though August is marginally lower at 91% versus July's 92%. While August has a maximum temperature of 36°C (97°F), July's maximum is slightly lower at 35°C (96°F). However, July sees significantly more rainfall, with a total of 353 mm (13.9 in) over 16 days, compared to August's 192 mm (7.5 in) over just 14 days. For a more in-depth look at July's weather, you can refer to Uwajima weather in July.
August and September depict a transition in weather patterns, with August characterized by higher temperatures, averaging 28°C (83°F) and peaking at 36°C (97°F). In contrast, September sees cooler temperatures, with an average of 25°C (77°F) and a maximum of 33°C (92°F). Both months experience similar precipitation levels, with August receiving 192 mm (7.5 in) over 14 days and September slightly increasing to 192 mm (7.6 in) across 15 days. Humidity also drops from a high of 91% in August to 84% in September. For more detailed information, check out Uwajima weather in September.
August and October display striking contrasts in weather conditions. In August, temperatures soar, with minimums around 20°C (69°F) and daytime highs peaking at 36°C (97°F), combined with a high humidity level of 91%. This month also experiences significant rainfall, with 192 mm (7.5 in) spread over 14 days. In contrast, October brings cooler temperatures, ranging from a minimum of 9°C (48°F) to a maximum of 30°C (86°F), showcasing a more temperate climate with an average of 20°C (68°F). Although precipitation rises slightly to 194 mm (7.7 in), it falls over fewer days, just 10. Humidity also decreases to 83%, providing a fresher atmosphere. For more insights, check out Uwajima weather in October.
In August, the weather is characterized by warm temperatures, with a minimum of 20°C (69°F) and an average of 28°C (83°F), reaching highs of 36°C (97°F). The month experiences considerable rainfall, with 192 mm (7.5 in) of precipitation over 14 days, and humidity levels soar at 91%. In contrast, November brings a significant drop in temperatures, with a minimum of 2°C (37°F) and an average of 14°C (58°F), peaking at 25°C (78°F). Additionally, precipitation decreases to 58 mm (2.3 in) over just 7 days, with humidity slightly lower at 81%. For more insights, check out Uwajima weather in November.
August and December offer starkly contrasting weather conditions. In August, temperatures range from a minimum of 20°C (69°F) to a maximum of 36°C (97°F), with an average of 28°C (83°F) and high humidity levels at 91%. The month also experiences significant rainfall, totaling 192 mm (7.5 in) over 14 days. Conversely, December brings much cooler temperatures, with a minimum of 0°C (32°F), an average of 9°C (49°F), and a maximum of 23°C (73°F). Precipitation in December is lighter, at 62 mm (2.5 in) across 7 days, accompanied by lower humidity levels of 79%. For more details on the weather in December, check out Uwajima weather in December.
August in Uwajima brings a distinct change in weather, marked by higher temperatures and elevated humidity levels compared to other months. With average highs soaring to around 28°C (83°F), residents and visitors alike can expect a warm, tropical atmosphere. The frequent rain, totaling about 192 mm (7.5 in) over 14 days, adds to the muggy conditions, creating a vibrant yet challenging environment. The high humidity of 91% can make the heat feel more intense, capturing the full essence of summer in this scenic city. For more details on how August compares to the rest of the year, visit Uwajima Climate.