Last updated: August 21, 2025
In August, Tsukuba, Japan, experiences a vibrant mix of hot temperatures and high humidity, making it a distinctive summer month. The maximum temperature can soar up to 37°C (98°F), while the average hovers around a comfortable 28°C (82°F). Nights bring some relief with temperatures dropping to a minimum of 17°C (62°F). This month is also characterized by frequent rainfall, with 114 mm (4.5 in) of precipitation over approximately 14 days, contributing to a notably humid environment with levels peaking at 92%. Overall, August in Tsukuba is marked by its sweltering heat and occasional summer showers, offering a unique experience for residents and visitors alike.
In August, Tsukuba, Japan, reaches its peak summer warmth, with temperatures consistently sweltering. The minimum temperature hovers around a comfortable 17°C (62°F), while the average climbs to a balmy 28°C (82°F)—perfect for outdoor activities. The thermometers can even hit their maximum at a scorching 37°C (98°F), often making this month one of the hottest in the year. Notably, August's warm spell follows a trend from July, where similar high temperatures prevail, suggesting that this time of year is not only marked by heat but also by a lively atmosphere, encouraging both locals and tourists to savor the summer festivities in full swing. As September approaches, a gradual cooling is expected, making August the quintessential summer month in Tsukuba.
August in Tsukuba, Japan, sees a significant precipitation amount of 114 mm (4.5 in), continuing the trend of high rainfall established in the preceding months. This month's rainfall comes over 14 days, which is a mild decrease from the intense 20 days experienced in July. Despite the dip in rainy days, August's precipitation remains substantial, reflecting the lingering summer monsoon influence. As the wet season transitions towards autumn, it's noteworthy that September follows closely with 157 mm (6.2 in), suggesting that while August may have slightly less rainfall, the overall trend of increased precipitation continues into the fall months. This pattern emphasizes Tsukuba's climate characterized by heavy summer rains, complemented by a notable shift as cooler months approach.
In August, Tsukuba, Japan experiences high humidity levels, consistently maintaining 92%, reminiscent of the preceding month of July. This peak in humidity marks a continuation of the summer season's oppressive moisture, contributing to a sultry atmosphere. As the months transition from the dry and cool air of winter, with January and February averaging 88% and 86% respectively, Tsukuba's humidity gradually fluctuates. A noticeable increase occurs in June and July, with figures climbing into the high 90s. Following August, the humidity begins to ease, tapering down to 89% in September, signaling the onset of autumn and a gradual return to more comfortable climate conditions. The yearly trend showcases a distinct seasonal pattern, with the highest humidity clustering during the summer months, creating a warm and humid environment that's characteristic of this era.
In August, Tsukuba, Japan, experiences a very high UV Index of 10, with a burn time of just 15 minutes, making sun protection essential for outdoor activities. This peak comes on the heels of July's extreme rating of 11, highlighting the intense solar exposure typical of the summer months. Interestingly, while the UV Index slightly decreases from July to August, it remains significantly elevated compared to the earlier months of the year, with values ranging from moderate in January and February to very high in late spring and summer. As the season transitions into September, the UV Index will begin to lower, but for now, it's crucial to stay vigilant about sun safety in the sweltering heat. For more details, check out Tsukuba UV Index.
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In August, Tsukuba shines brightly with an impressive 265 hours of sunshine, marking a peak in summer radiance. This month continues the trend of plentiful daylight that begins in April and lingers through the warm summer months. Following a gradual increase, sunshine reaches its height in May before tapering slightly in July. Despite this dip, August still captures abundant sunlight, reminding residents and visitors alike of the vibrancy of warmer days. As summer gives way to autumn in September, sunshine retreats to 221 hours, yet the warmth of August lingers in the air, demonstrating Tsukuba's unique transition from summer to fall.
In Tsukuba, Japan, the likelihood of sunny weather sees a notable shift throughout the year, with August bringing a 30% chance of sun. This represents one of the lower probabilities when compared to earlier months, as both January and February enjoy sunny possibilities at 55% and 71%, respectively. Spring and early summer, notably April through June, show a downward trend, culminating in July's 27% chance. As summer reaches its peak in August, the chances remain limited, indicating that while the warmth and humidity are prevalent, clear sunny days may be fewer and far between. As the year progresses towards autumn, there’s a slight uptick in sunshine likelihood again, with October rising to 46%. Thus, those planning outdoor activities in Tsukuba during August may want to keep a flexible schedule to adapt to the variable weather.
In Tsukuba, Japan, August marks the tail end of a summer filled with abundant daylight, offering approximately 13 hours of sunlight. This duration follows a peak in June and July, where daylight extends to a full 14 hours, creating vibrant evenings perfect for outdoor activities. As summer transitions into autumn, daylight begins to wane, with September seeing a slight decrease to 12 hours. This gradual shift reflects a broader pattern throughout the year, as daylight peaks around the summer months and recedes into the shorter, cozy days of winter, culminating in just 9 hours of sunlight by January. The ebb and flow of daylight indeed creates a dynamic backdrop for seasonal changes in Tsukuba.
In Tsukuba, Japan, the August wind brings a refreshing embrace with an average speed of 2.6 m/s (6 mph), slightly above the summer lows witnessed in July. This gentle breeze is part of a broader trend where wind speeds generally peak in the vibrant spring months of April and May, each reaching 2.9 m/s (6 mph) and 2.7 m/s (6 mph), respectively. As the seasons transition into autumn, a gradual decline becomes evident, with September cooling to 2.4 m/s (5 mph). Interestingly, the average wind speed remains relatively stable throughout the year, with minor fluctuations that enhance the climate's overall liveliness, making August a particularly inviting time to experience the outdoors.
Weather in Tsukuba varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Tsukuba, focusing on differences in temperature, rainfall, humidity, and UV levels.
August and January present stark contrasts in weather conditions. In August, temperatures soar with a minimum of 17°C (62°F) and an average high of 28°C (82°F), peaking at a sweltering 37°C (98°F). This month also sees considerable rainfall, accumulating 114 mm (4.5 inches) over approximately 14 days, accompanied by high humidity levels at 92%. In contrast, January brings cold temperatures, with a minimum of -10°C (14°F) and an average of just 4°C (39°F), maxing out at 17°C (63°F). Precipitation is significantly lower during this month, totaling only 38 mm (1.5 inches) over about 4 days, and humidity levels hover around 88%. For more detailed insights, check out Tsukuba weather in January.
August and February present starkly contrasting weather conditions. August boasts a warm average temperature of 28°C (82°F) with maximum highs reaching up to 37°C (98°F), accompanied by high humidity levels at 92% and considerable precipitation of 114 mm (4.5 in) over 14 days. In contrast, February experiences much cooler temperatures, averaging 5°C (42°F) with nightly lows dipping to -5°C (23°F) and highs only reaching 21°C (70°F). This month sees significantly less rainfall, totaling just 37 mm (1.5 in) over 6 days, and slightly lower humidity at 86%. For those interested in specific details about weather in February, visit Tsukuba weather in February.
The weather in August is characterized by significantly warmer temperatures, with daytime averages reaching 28°C (82°F) and highs soaring to 37°C (98°F). In contrast, March experiences much cooler conditions, with average temperatures around 9°C (49°F) and maximums peaking at 24°C (76°F). Both months see substantial precipitation, with August receiving 114 mm (4.5 in) over 14 days, while March has slightly higher rainfall at 124 mm (4.9 in) over 11 days. Additionally, humidity levels are notably higher in August at 92%, compared to March's 81%, contributing to a distinctly different feel for each month. For more detailed information about March weather, you can visit Tsukuba weather in March.
The weather in August is significantly warmer than in April, with average temperatures soaring to 28°C (82°F) compared to April's milder 14°C (57°F). August can experience extreme heat, with maximum temperatures reaching up to 37°C (98°F), while April peaks at a more comfortable 29°C (84°F). Both months see a considerable amount of precipitation, with August receiving 114 mm (4.5 in) over 14 days and April not far behind with 112 mm (4.4 in) across 11 days. Humidity levels are also higher in August at 92%, compared to April's 78%. For more details on April weather, you can visit Tsukuba weather in April.
When comparing the weather in August and May, it's clear that August is significantly warmer, with average temperatures reaching around 28°C (82°F) and highs of up to 37°C (98°F). In contrast, May's average temperature is much cooler at 19°C (67°F), with maximum temperatures peaking at 34°C (93°F). Additionally, August experiences higher humidity levels at 92%, contributing to a muggy atmosphere, while May's humidity is comparatively lower at 81%. Precipitation levels are quite similar, with August receiving 114 mm (4.5 in) over 14 days, and May getting slightly more at 123 mm (4.8 in) during 12 days. For more detailed insights, you can refer to Tsukuba weather in May.
The weather in August tends to be significantly warmer than in June, with average temperatures reaching 28°C (82°F) compared to June's 22°C (72°F). While August can see maximum temperatures soaring up to 37°C (98°F), June’s highs peak at 33°C (92°F). Precipitation is slightly lower in August at 114 mm (4.5 in) over 14 days, compared to June's 132 mm (5.2 in) over 16 days. However, August also has higher humidity levels at 92%, compared to June's 88%, making the former feel relatively more oppressive. For a more detailed look at June's weather, you can explore Tsukuba weather in June.
In comparing the weather of August to July, both months exhibit warm temperatures, but August generally feels hotter with a higher average temperature of 28°C (82°F) compared to July's average of 26°C (79°F). Notably, while both months share the same minimum and maximum temperatures, August experiences significantly less precipitation, with 114 mm (4.5 in) over 14 days, compared to July's 218 mm (8.6 in) over 20 days. Humidity remains consistent at 92% for both months, creating a humid atmosphere throughout. For a more detailed look at conditions during this time, you can check Tsukuba weather in July.
August and September showcase a notable transition in weather patterns. August typically features higher temperatures, with minimums around 17°C (62°F) and average highs reaching up to 37°C (98°F), accompanied by high humidity at 92%. In contrast, September experiences a drop in average temperatures, peaking at around 35°C (95°F) and dipping to a minimum of 12°C (54°F). Additionally, September sees increased precipitation, totaling 157 mm (6.2 in) over 17 days, compared to August’s 114 mm (4.5 in) over 14 days. For a more detailed look at September weather, check Tsukuba weather in September.
In August, the weather is characterized by warm temperatures, with a minimum of 17°C (62°F) and an average high of 28°C (82°F), often reaching up to 37°C (98°F). The month experiences significant humidity at 92% and accumulates 114 mm (4.5 in) of precipitation over 14 days. In contrast, October marks a noticeable shift with cooler temperatures, presenting a minimum of 6°C (42°F) and an average of 18°C (64°F), peaking at 32°C (90°F). The month sees increased precipitation at 225 mm (8.8 in), also over 14 days, with slightly lower humidity at 87%. For more detailed information, visit Tsukuba weather in October.
In August, the weather is characterized by warm to hot temperatures, with a minimum of 17°C (62°F) and a scorching maximum of 37°C (98°F). The month experiences significant humidity at 92%, along with substantial rainfall, totaling 114 mm (4.5 in) over 14 days. In contrast, November brings a dramatic shift in temperatures, with minimums dipping to -2°C (30°F) and averages around 12°C (54°F). The precipitation is lower at 63 mm (2.5 in) across 7 days, while humidity remains relatively high at 85%. For a detailed overview of November conditions, you can check Tsukuba weather in November.
The weather in August and December presents a striking contrast. August boasts warm temperatures, with an average of 28°C (82°F) and highs reaching up to 37°C (98°F). However, it is also quite humid, with levels at 92% and frequent precipitation over 14 days, totaling 114 mm (4.5 in). In contrast, December experiences much cooler temperatures, with an average of just 6°C (43°F) and a maximum of 20°C (68°F). The month has significantly less rainfall, totaling 50 mm (1.9 in) across only 6 days, and a slightly lower humidity at 86%. For more detailed insights, you can check Tsukuba weather in December.
August in Tsukuba brings a notably different climate compared to other months of the year, characterized by heightened temperatures and humidity. With average temperatures soaring to around 28°C (82°F), it is the peak of summer, often reaching maximums of 37°C (98°F). This heat is accompanied by a staggering humidity of 92%, making the air feel thick and muggy. Additionally, lingering monsoon conditions result in frequent showers, with precipitation occurring on about 14 days, accumulating to around 114 mm (4.5 in) throughout the month. These elements create a vibrant summer atmosphere, contrasting sharply with the cooler, drier climate of winter and spring. To learn more about the climatic nuances of Tsukuba, check out Tsukuba Climate.