Last updated: August 21, 2025
June in Tsukuba, Japan brings a vibrant and humid atmosphere, characterized by a maximum temperature soaring to 33°C (92°F) and an average of 22°C (72°F). With the mercury dipping to a minimum of 12°C (55°F), this month marks the transition to the warmer season. Rainfall is a frequent visitor, with 132 mm (5.2 in) spread over 16 days, contributing to an overall humidity of 88% that envelops the city. This combination of warmth and moisture creates a lush environment, shaping the distinct character of June in Tsukuba.
In June, Tsukuba experiences a delightful shift towards summer, with temperatures steadily rising. The minimum temperature of 12°C (55°F) sets a comfortable baseline, while the average climbs to 22°C (72°F), signaling longer, warmer days. The peak temperature can reach a toasty 33°C (92°F), presenting an inviting atmosphere for outdoor activities and exploration. This month marks a significant transition from the cooler spring months, highlighting a consistent upward trend in temperature that sets the stage for the sweltering heat of July and August. As the weather warms, residents and visitors alike can enjoy the vibrant greenery and lively atmosphere that define this season in Tsukuba.
In June, Tsukuba experiences a noticeable surge in rainfall, with a precipitation amount of 132 mm (5.2 in) spread across 16 days. This marks a continuation of the wet pattern established in the preceding months, particularly May, which saw 123 mm (4.8 in) over 12 days. The increasing precipitation heralds the onset of the summer rainy season, setting the stage for even heavier rainfall in July, which averages 218 mm (8.6 in). This rising trend underscores a gradual transition from the milder spring months into the more humid and vibrant summer, making June a pivotal time for lush vegetation and a refreshing atmosphere across the region. Whether it’s the gentle drizzles or the occasional downpour, June’s rainfall plays a crucial role in shaping Tsukuba’s lush landscape.
In June, Tsukuba, Japan, experiences a notable spike in humidity, rising back to 88%—a level reminiscent of the depths of winter. This month's figures signal the start of a trend towards the more humid summer months, as the air hangs heavy with moisture. Following June, the humidity consistently climbs, peaking at 92% in both July and August, creating a muggy atmosphere typical of the season. Interestingly, the humidity in June marks a transition, bridging the drier spring months into the steamy summer, while hinting at the cyclic nature of Tsukuba's climate, where the air retains its characteristic moisture throughout the year, oscillating gently from the highs of summer to the slightly drier but still humid winter months.
In June, Tsukuba, Japan, experiences a persistent UV Index of 10, indicating a very high level of ultraviolet radiation. This consistency in UV intensity marks an upward trend as spring transitions into summer, following an increase from April's 9 and May's peak of 10. The burn time drops significantly to just 15 minutes, underscoring the importance of sun protection during this month. As the year progresses, the UV Index is expected to reach its peak in July, where it escalates to 11, classified as extreme. This evolution in UV exposure highlights the necessity for residents and visitors alike to remain vigilant about sun safety. For more insights and specifics about UV exposure throughout the year, check out the detailed Tsukuba UV Index.
UV Risk Categories
June in Tsukuba, Japan, is a delightful transition into summer, boasting an impressive 253 hours of sunshine. While May holds the title for the sunniest month with 274 hours, June still offers ample daylight for outdoor activities and exploration. This vibrant month signals a slight dip in sunshine compared to its predecessor, yet it remains significantly brighter than the earlier months of the year, like January and February, which struggle with just 188 and 234 hours, respectively. As July approaches, the sunshine hours decrease further to 224, indicating a trend of fluctuating light as the seasons progress. Overall, June stands out as a beautiful time to enjoy Tsukuba's sunny charm before the summer heat takes over.
In June, Tsukuba experiences a notable dip in sunny weather prospects, with only a 21% chance of sunshine. This marks a stark decrease from the preceding months, particularly when compared to May's 22% and April's 48%. As the year progresses, the trend indicates that sunny days become less frequent, shifting from the brighter beginnings of spring into the rainy season of early summer. With July and August also lower at 27% and 30% respectively, residents and visitors may want to prepare for overcast days and the potential for rain during this time of year.
In Tsukuba, Japan, the month of June marks a delightful continuation of the longer daylight hours that began in late spring. With an impressive 14 hours of daylight, June maintains the brightness established in May, offering residents and visitors alike ample time to explore the city's vibrant landscapes and outdoor activities. This trend of increasing daylight from 9 hours in January to the peak summer months highlights a gradual transition towards longer, sun-filled days, which begin to taper only slightly as July and August approach, each still basking in 14 hours of sunlight. As summer unfolds, the gradual decrease in daylight hours signals the onset of autumn, with 13 hours in August followed by shorter days in September, creating a dynamic rhythm that perfectly encapsulates the seasonal shifts of this region.
In June, Tsukuba experiences a gentle transition in its wind patterns, with an average speed of 2.2 m/s (5 mph). While this marks a slight decline from the breezy days of April and May, where the winds picked up to nearly 2.9 m/s (6 mph), it remains consistent with the lighter breezes seen in early winter months. This indicates a continued mellowing as the summer approaches. Interestingly, July brings even calmer conditions, with winds dwindling to 1.9 m/s (4 mph), suggesting that the summer heat may dampen the winds further. Overall, the June winds in Tsukuba herald a gentle shift, promoting a serene and tranquil atmosphere as the season unfolds.
Weather in Tsukuba varies notably across the year, with each month offering distinct climate conditions. This page compares June’s weather to other months in Tsukuba, focusing on differences in temperature, rainfall, humidity, and UV levels.
June and January weather in Tsukuba presents a striking contrast. In June, temperatures range from a mild 12°C (55°F) at night to a warm 33°C (92°F) during the day, with an average of 22°C (72°F). However, this month also sees significant precipitation, averaging 132 mm (5.2 in) over 16 days and maintaining a high humidity level of 88%. In stark contrast, January experiences much colder temperatures, with a minimum of -10°C (14°F) and a maximum of 17°C (63°F), averaging only 4°C (39°F). Precipitation drops to 38 mm (1.5 in) over just 4 days, yet humidity remains consistent at 88%. For more detailed insights, you can visit Tsukuba weather in January.
June and February present strikingly different weather conditions. In June, temperatures range from a mild 12°C (55°F) at night to a warm average of 22°C (72°F), peaking at a hot 33°C (92°F) during the day. This month also experiences significant rainfall, with 132 mm (5.2 in) over about 16 days and high humidity at 88%. In contrast, February is much colder, with temperatures dipping as low as -5°C (23°F) and averaging just 5°C (42°F), rising to a maximum of 21°C (70°F). Precipitation is considerably lower in February, totaling only 37 mm (1.5 in) across 6 days, and humidity sits slightly lower at 86%. For more details, check Tsukuba weather in February.
In comparing the weather between June and March, it’s clear that June is significantly warmer, with average temperatures soaring to 22°C (72°F) and highs reaching up to 33°C (92°F). In contrast, March experiences much cooler temperatures, averaging around 9°C (49°F) and peaking at 24°C (76°F). Precipitation is fairly consistent in both months, with June receiving 132 mm (5.2 in) over 16 days and March slightly less at 124 mm (4.9 in) across 11 days. Additionally, June has a higher humidity level at 88%, compared to March's 81%. For more detailed insights into March weather, check out Tsukuba weather in March.
In comparing the weather in June and April, we observe significant differences in temperature and humidity. June is notably warmer, with temperatures ranging from a minimum of 12°C to a maximum of 33°C, averaging around 22°C. In contrast, April experiences cooler temperatures, with a minimum of -1°C and a maximum of 29°C, averaging 14°C. Additionally, June is more humid, boasting 88% humidity compared to April's 78%. Precipitation is also more frequent in June, with 132 mm occurring over 16 days, while April sees slightly less at 112 mm over 11 days. For more detailed information about April weather, you can visit Tsukuba weather in April.
In comparing the weather of June with May, we see notable differences in temperature and humidity. June brings a minimum temperature of 12°C (55°F) and averages around 22°C (72°F), while May starts cooler with a minimum of 6°C (43°F) and a slightly higher average of 19°C (67°F). Maximum temperatures in June reach up to 33°C (92°F), closely resembling May's peak of 34°C (93°F). Precipitation in June is slightly higher at 132 mm (5.2 in) over 16 rainy days compared to May's 123 mm (4.8 in) over only 12 days. Additionally, June exhibits greater humidity at 88%, compared to May's 81%. For those interested in May's weather specifics, more details can be found at Tsukuba weather in May.
June and July exhibit notable differences in weather patterns. In June, temperatures range from a minimum of 12°C (55°F) to a maximum of 33°C (92°F), with an average of 22°C (72°F). The month sees significant precipitation, totaling 132 mm (5.2 in) over 16 days, and experiences relatively high humidity at 88%. In contrast, July presents warmer conditions with a minimum of 17°C (63°F) and a peak of 37°C (98°F), leading to an average temperature of 26°C (79°F). It also receives more rainfall, totaling 218 mm (8.6 in) across 20 days, while humidity increases slightly to 92%. For more detailed information, you can visit Tsukuba weather in July.
In June, the weather tends to be quite warm with average temperatures around 22°C (72°F), ranging from a cool 12°C (55°F) to a hot 33°C (92°F). The month is characterized by significant precipitation, with around 132 mm (5.2 in) falling over 16 days, and humidity levels averaging 88%. In contrast, August experiences even higher average temperatures, reaching about 28°C (82°F), with minimums of 17°C (62°F) and maximums peaking at 37°C (98°F). Although August has slightly less rainfall at 114 mm (4.5 in) over 14 days, the humidity remains high at 92%. For more detailed information on August weather, visit Tsukuba weather in August.
June and September both exhibit similar minimum temperatures, hovering around 12°C (54-55°F). However, September generally offers slightly warmer average temperatures, with an average of 23°C (74°F) compared to June's 22°C (72°F). The maximum temperatures in September can reach up to 35°C (95°F), surpassing June's maximum of 33°C (92°F). Precipitation levels also increase slightly in September, with 157 mm (6.2 in) falling over 17 days, compared to June's 132 mm (5.2 in) over 16 days. Humidity remains consistent between the two months, with September at 89% and June at 88%. For more detailed insights, you can check Tsukuba weather in September.
When comparing the weather in June and October, notable differences emerge. June typically offers warmer temperatures, with an average high of 33°C (92°F) and an overall average of 22°C (72°F), set against a backdrop of high humidity at 88% and significant rainfall totaling 132 mm (5.2 in) over 16 rainy days. In contrast, October sees cooler temperatures, with an average high of 32°C (90°F) and a more moderate average of 18°C (64°F). Although it is slightly less humid at 87%, October experiences increased precipitation at 225 mm (8.8 in) over 14 days. For more specifics about October weather, you can check Tsukuba weather in October.
June and November present contrasting weather conditions. In June, temperatures can range from a minimum of 12°C (55°F) to a maximum of 33°C (92°F), with an average temperature of 22°C (72°F). The month is characterized by high humidity at 88% and substantial rainfall, totaling 132 mm (5.2 in) spread over 16 days. In stark contrast, November experiences much cooler temperatures, with a minimum of -2°C (30°F) and a maximum of 23°C (74°F), averaging around 12°C (54°F). This month sees significantly less precipitation, with only 63 mm (2.5 in) recorded over just 7 days and a slight decrease in humidity to 85%. For more detailed information, you can check Tsukuba weather in November.
June and December present strikingly different weather conditions. In June, temperatures range from a pleasant 12°C (55°F) at night to a warm high of 33°C (92°F) during the day, with an average of 22°C (72°F). The month also sees considerable rainfall, with about 132 mm (5.2 in) of precipitation over 16 days, and humidity levels hover around 88%. In contrast, December is much colder, with temperatures dipping as low as -4°C (26°F) and peaking at 20°C (68°F), while the average rests at a brisk 6°C (43°F). Rainfall is considerably less, with only 50 mm (1.9 in) across 6 days, and humidity remains relatively high at 86%. For more information on December weather specifics, you can check Tsukuba weather in December.
As June unfolds in Tsukuba, the weather dramatically shifts from the comfortable spring temperatures to warmer and more humid conditions. With maximum temperatures reaching around 33°C, the warmth is palpable, contrasting sharply with the cooler months. This increase in heat is accompanied by frequent rainfall, with precipitation occurring on nearly half of the days, resulting in a lush and vibrant landscape. The air is thick with humidity, averaging an impressive 88%, creating a tropical atmosphere that stands out among the drier, cooler months of the year. For those looking to explore what Tsukuba has to offer in June, understanding this unique climate is essential. For more detailed insights, check out Tsukuba Climate.