Last updated: August 21, 2025
August in Ibaraki, Japan is characterized by hot, humid weather, with maximum temperatures soaring to a sweltering 38°C (101°F) and an average of 29°C (85°F). The month witnesses a significant amount of rainfall, totaling 183 mm (7.2 in) over approximately 12 days, contributing to a high humidity level of 91%. This combination of heat and moisture creates a tropical atmosphere, making August one of the most vibrant yet challenging months for residents and visitors alike.
In August, Ibaraki, Japan, experiences its warmest temperatures of the year, with a minimum of 19°C (66°F) and an average soaring to a balmy 29°C (85°F). The peak temperatures can reach a sizzling 38°C (101°F), making it the height of summer and a time when outdoor activities and festivals thrive. This month marks a significant shift from the cooler spring and early summer, characterized by consistently rising temperatures and high humidity. As the summer heat intensifies, the pleasant warmth of July's average of 28°C (82°F) seamlessly transitions to August’s sweltering days, signaling a vibrant period of life and activity in the region.
In August, Ibaraki experiences significant precipitation, with a total of 183 mm (7.2 in) falling over 12 days. This volume highlights a noticeable decrease from the record-setting July, which saw an overwhelming 282 mm (11.1 in) across 18 days. Despite the decline, August still ranks as one of the wetter months of the year, effectively maintaining the lush greenery characteristic of the region during summer. Following August, the precipitation trends continue to ebb, with September recording 169 mm (6.7 in), further indicating a gradual transition towards drier conditions as autumn approaches.
In Ibaraki, Japan, August brings a notable humidity level of 91%, making it one of the most humid months of the year. This trend follows a gradual increase from the 74% in March, illustrating a steady rise through the summer months. From June's 87% to July's peak of 93%, the atmosphere becomes increasingly moist, culminating in August's high humidity. As the season transitions into autumn, humidity begins to dip again, falling to 87% in September. Overall, the data highlights a clear seasonal pattern where summer is characterized by high humidity levels, significantly impacting the comfort of residents and visitors alike.
In August, Ibaraki experiences a high UV Index of 11, characterized as extreme, with a quick burn time of just 10 minutes if protective measures are not taken. This trend of elevated UV exposure continues from the peak of July's 12, marking the hottest months for sun safety. Interestingly, as August transitions into September, there’s a slight decrease in the UV Index to 10, yet it's crucial to remain vigilant as the exposure category remains very high. Throughout the year, Ibaraki experiences fluctuations in UV levels, with a clear pattern of increasing intensity from winter's moderate indices in January (4) to the extreme levels found during the summer months. For more detailed information on UV levels throughout the year, check out Ibaraki UV Index.
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In Ibaraki, Japan, August shines as a beacon of sunlight, boasting an impressive 305 hours of sunshine, the highest of the year. This month contrasts sharply with the cooler, gloomier winter months, where January records just 185 hours. The spring months see a gradual increase, peaking in May with 291 hours, before June and July experience a slight dip. As summer reaches its climax in August, residents and visitors alike revel in the warmth and brightness. Following August, September shows a notable decrease in sunshine to 242 hours, marking the transition into fall. This consistent ebb and flow of sunlight not only characterizes Ibaraki’s seasonal charm but also sets the stage for vibrant outdoor activities throughout the summer.
In Ibaraki, Japan, the likelihood of sunny weather fluctuates throughout the year, peaking in the cooler months. August, however, presents a less optimistic picture, with only a 28% chance of sunshine. This trend of declining sunny days continues from the previous months, where July offers a slightly better 32% chance, and June drops to 24%. As summer draws to a close, residents and travelers alike may find themselves hoping for clear skies, but statistics suggest that sunshine is more common in autumn and winter, where October and December boast higher probabilities of bright days at 53% and 57%, respectively. Overall, August typically leans towards a cloudier disposition compared to its neighboring months.
In Ibaraki, Japan, the daylight duration experiences a captivating rhythm throughout the year. As winter gives way to spring, daylight begins to lengthen, jumping from 10 hours in both January and February to a vibrant 11 hours in March. With the arrival of April and May, the sun graces Ibaraki with 13 hours, bringing more time for outdoor activities. The peak of summer shines brightly in June and July, boasting 14 hours of daylight, ideal for enjoying nature's beauty. However, as August approaches its end, daylight gently recedes to 13 hours, signaling the gradual transition into autumn. September sees another decline to 12 hours, and as the year progresses into the cooler months, daylight continues to shorten, closing the year with 9 hours in December. This ebb and flow of daylight not only paints a picturesque backdrop for seasonal activities but also reflects the changing moods of nature itself.
In Ibaraki, Japan, the wind begins to shift subtly as summer wanes into August. During this month, the average wind speed registers at 2.4 m/s (5 mph), a slight uptick from the languid breezes of July. This gentle increase reflects a broader trend throughout the year, where winter months like January and December see higher speeds around 2.9 m/s (7 mph) and 2.8 m/s (6 mph) respectively. As the region transitions into autumn, a gradual cooling turns the winds calmer, with September and October averaging just 2.2 m/s (5 mph). Overall, Ibaraki experiences a rhythmic ebb and flow of breezes, with August serving as a pivotal moment where summer's warmth mingles with the approaching chill of fall.
Weather in Ibaraki varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Ibaraki, focusing on differences in temperature, rainfall, humidity, and UV levels.
August and January present a striking contrast in weather conditions. August boasts high temperatures, with an average of 29°C (85°F) and peaks reaching up to 38°C (101°F), accompanied by significant humidity at 91% and 183 mm (7.2 in) of precipitation over 12 days. In contrast, January is much cooler, featuring temperatures that range from a minimum of -3°C (26°F) to a maximum of 18°C (64°F), with an average of just 6°C (42°F). This month also sees lower precipitation levels, totaling 46 mm (1.8 in) over 6 days, and slightly lower humidity at 82%. For more detailed insights into January weather, you can visit Ibaraki weather in January.
August and February present a stark contrast in weather conditions. In August, temperatures soar with a minimum of 19°C (66°F) and an average high of 29°C (85°F), reaching up to a sweltering maximum of 38°C (101°F). This summer month is also characterized by high humidity at 91% and significant rainfall, totaling 183 mm (7.2 in) over 12 days. In contrast, February brings a much cooler climate, where temperatures can dip as low as -3°C (26°F) with an average of only 6°C (43°F), and a comfortable maximum of 20°C (68°F). Precipitation is lighter in February, amounting to 60 mm (2.3 in) over just 6 days, along with a lower humidity level of 79%. For more detailed information about February conditions, you can check Ibaraki weather in February.
August and March present stark contrasts in weather patterns. August, known for its heat and humidity, showcases temperatures ranging from a minimum of 19°C (66°F) to a scorching maximum of 38°C (101°F), accompanied by an average of 29°C (85°F). In contrast, March experiences milder temperatures with a minimum of -1°C (31°F) and a maximum of 23°C (73°F), averaging just 10°C (51°F). While August sees significant rainfall of 183 mm (7.2 in) over 12 days and high humidity at 91%, March has less precipitation at 109 mm (4.3 in) across 11 days and lower humidity at 74%. For more information on the weather specifics in March, you can check Ibaraki weather in March.
When comparing the weather in August and April, a stark contrast emerges. August typically showcases a warmer climate with temperatures ranging from a minimum of 19°C (66°F) to a high of 38°C (101°F) and an average temperature of 29°C (85°F). Additionally, it experiences high humidity at 91% and considerable precipitation of 183 mm (7.2 in) over approximately 12 days. In contrast, April offers cooler temperatures, with a minimum of 3°C (37°F), an average of 15°C (59°F), and a maximum of 26°C (79°F). April is characterized by lower humidity at 76% and less rainfall, totaling 135 mm (5.3 in) across about 10 days. For a more detailed overview, check out this link: Ibaraki weather in April.
In comparing the weather between May and August, there are notable differences in temperature, humidity, and precipitation. August experiences significantly higher temperatures, with average highs reaching around 29°C (85°F) and maximums soaring to 38°C (101°F), while May has a much cooler climate, with averages peaking at 20°C (69°F) and maximums of 31°C (88°F). Additionally, August tends to be more humid, with humidity levels at 91%, compared to May’s 83%. Both months have considerable precipitation, but August sees more rainfall, totaling 183 mm (7.2 in) over 12 days, whereas May records 150 mm (5.9 in) across 10 days. For more specific insights into May weather, you can visit Ibaraki weather in May.
August and June present contrasting weather patterns in terms of temperature and precipitation. In August, temperatures can soar with a minimum of 19°C (66°F), averaging a warm 29°C (85°F), and peaking at a scorching 38°C (101°F). This heat is accompanied by high humidity levels at 91% and significant rainfall, totaling 183 mm (7.2 in) over 12 days. In comparison, June features milder temperatures, with a minimum of 14°C (58°F) and an average of 24°C (75°F), reaching a maximum of 32°C (89°F). While June also experiences rainfall on 12 days, the total precipitation is lower at 147 mm (5.8 in) and humidity is slightly less at 87%. For more details on June weather, you can check Ibaraki weather in June.
August weather shows a slight decrease in average temperature compared to July, with a minimum of 19°C and a maximum of 38°C, while July had a minimum of 20°C and a maximum of 37°C. Precipitation also sees a significant reduction in August, totaling 183 mm over 12 days, compared to 282 mm over 18 days in July. The humidity levels are somewhat similar, with August at 91% and July slightly higher at 93%. For more detailed weather information specific to July, you can check Ibaraki weather in July.
August typically presents hot and humid conditions, with temperatures ranging from a minimum of 19°C (66°F) to an average of 29°C (85°F) and peaks reaching up to 38°C (101°F). The month also experiences significant rainfall, totaling 183 mm (7.2 in) over 12 days. In contrast, September sees a slight decrease in temperatures, with a minimum of 15°C (59°F), an average of 25°C (78°F), and a maximum of 37°C (99°F). Although precipitation remains considerable at 169 mm (6.7 in), it is spread over 15 days, leading to slightly lower humidity levels at 87%. For more detailed information on weather conditions, check out Ibaraki weather in September.
August and October present distinctly different weather patterns. In August, temperatures soar with an average of 29°C (85°F) and can reach a maximum of 38°C (101°F), while the humidity remains high at 91%. This month also sees significant rainfall, with around 183 mm (7.2 in) of precipitation over 12 days. In contrast, October brings a much cooler climate, with temperatures ranging from a minimum of 8°C (46°F) to a maximum of 33°C (91°F), averaging 20°C (67°F). Precipitation increases to 230 mm (9.0 in) over the same number of days, but humidity drops slightly to 85%. For a more detailed look at October weather, you can visit Ibaraki weather in October.
August and November present stark contrasts in weather conditions. August is typically hot and humid, with temperatures ranging from a minimum of 19°C (66°F) to a sweltering maximum of 38°C (101°F). This month sees significant rainfall, totaling 183 mm (7.2 inches) over about 12 days, and the humidity is notably high at 91%. In contrast, November experiences much cooler temperatures, with a minimum of 2°C (35°F) and a maximum of 25°C (78°F), averaging around 13°C (56°F). Rainfall is considerably less, with only 44 mm (1.7 inches) over approximately 6 days and a lower humidity level of 83%. For a detailed look at weather conditions, you can check Ibaraki weather in November.
The contrast between August and December weather is striking. In August, temperatures soar with a minimum of 19°C (66°F) and an average high of 29°C (85°F), reaching up to a blistering 38°C (101°F). This month is also characterized by high humidity at 91% and significant rainfall, with 183 mm (7.2 in) over 12 days. In stark contrast, December brings a chill with minimum temperatures dropping to -1°C (30°F) and an average of only 8°C (47°F), peaking at a milder 22°C (71°F). Precipitation is noticeably less, with only 57 mm (2.2 in) over just 6 days, and the humidity decreases slightly to 83%. For more detailed insights, check out Ibaraki weather in December.
In August, Ibaraki experiences a significant shift in weather, marked by high temperatures and humidity that differentiate it from other months. The soaring maximums can heat up to a sweltering 38°C, creating a hot and humid environment that's characteristic of summer. With an average temperature of 29°C, activities during this month often require adjustments to stay cool. Furthermore, August sees a notable increase in rainfall, with around 183 mm of precipitation spread across 12 days, providing a brief respite from the heat but also adding to the humidity levels that can peak at a staggering 91%. These conditions make August the peak of summer in Ibaraki, as detailed in our comprehensive overview of all seasonal variations on Ibaraki Climate.