Last updated: August 21, 2025
In April, Tsukuba, Japan experiences a dynamic climate characterized by maximum temperatures reaching up to 29°C (84°F) and a chill in the air, with minimums dipping to -1°C (31°F). The average temperature settles around 14°C (57°F), offering a pleasant spring feel. Visitors can expect to encounter 112 mm (4.4 in) of precipitation over approximately 11 days, contributing to the region’s lush greenery. With humidity levels around 78%, the air can feel quite moist, making April a month of refreshing transitions as nature awakens from winter slumber.
In April, Tsukuba, Japan, welcomes spring with a notable shift in temperatures, marking a transition from the winter chill to a more inviting warmth. The minimum temperature hovers around -1°C (31°F), while daytime averages rise to a pleasant 14°C (57°F), peaking at a remarkable 29°C (84°F). This month stands out as a pivotal moment in the seasonal cycle; it boasts a significant increase from March’s cool averages and prepares the region for the summer months ahead. As flowers bloom and outdoor activities become more popular, April in Tsukuba embodies the essence of renewal, making it an ideal time for locals and visitors alike to enjoy the vibrant atmosphere.
In April, Tsukuba experiences a notable precipitation total of 112 mm (4.4 in), maintaining a consistent theme of wet weather that began in March. This month matches the 11 days of rainfall, indicating a trend of frequent but moderate showers that not only sustain the lush greenery characteristic of spring but also set the stage for the rainfall increase in May. Compared to the preceding months, the slightly lower precipitation in April suggests a potential lull before the more intense downpours of late spring and summer, with May's total expected to rise once again. Thus, April acts as a bridge, delicately balancing moisture levels while hinting at the wetter days to come.
In April, Tsukuba, Japan, experiences a notable drop in humidity, settling at 78%, which is the lowest level since January. This decrease marks a shift from the winter months when humidity hovered around 88% to 86%. As spring advances, the weather begins to feel more comfortable, paving the way for the transition to warmer months. However, as summer approaches, humidity levels are set to rise again, reaching 88% in June and peaking at 92% during July and August. This cyclical pattern showcases the dynamic nature of Tsukuba's climate, where the mild spring gradually gives way to the sticky warmth of summer.
As spring unfolds in Tsukuba, Japan, April brings a noticeable spike in the UV Index, reaching 9 and placing it in the very high exposure category. This increase in ultraviolet radiation signals a shift in seasonal patterns, as the sun's intensity continues to rise from the previous months. With a reduced burn time of just 15 minutes, it's crucial for residents and visitors to take precautions against potential skin damage. The trend toward higher UV levels will persist into May and June, maintaining a very high index, before peaking in July at a staggering 11. To stay informed and safe, check the detailed forecast at Tsukuba UV Index as you soak up the seasonal sunshine!
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April brings a radiant 270 hours of sunshine to Tsukuba, Japan, marking a delightful peak as the days grow warmer and nature comes alive. This increase from 257 hours in March highlights a promising trend toward more luminous days, setting the stage for the vibrant blossoms of spring. Following April, May continues the sunshine streak with 274 hours — the highest of the year — before a gradual decline over the summer months. The sun-drenched April not only invites outdoor adventures but also reflects a wonderful shift in the seasons, where each hour of sunlight beckons the community to embrace the beauty of their surroundings. As the year progresses, Tsukuba's sunlight patterns reveal a compelling rhythm, suggesting that after the refreshing blooms of spring, a balance returns with the gentle hues of autumn.
In April, the chances of sunny weather in Tsukuba, Japan stand at 48%, marking a slight dip from March’s 42%. This month transitions from the brighter days of February and January, which boast higher sunny probabilities at 71% and 55%, respectively. As spring unfolds, April offers a moderate balance of sunshine, hovering just above the less favorable conditions experienced in the following months, such as May and June, where the likelihood drops to 22% and 21%. Overall, while April may not guarantee a sun-soaked experience, it provides a promising invitation to enjoy the emerging beauty of spring days.
As April unfolds in Tsukuba, Japan, the days grow noticeably longer, offering around 13 hours of daylight—a significant increase from the 11 hours of March. This gradual ascent in daylight hours reflects the unmistakable arrival of spring, with nature waking up and blooming under the encouraging sun. Following April, the daylight reaches its peak in May and June, where residents enjoy a robust 14 hours of illumination. This trend of increasingly longer days not only enhances outdoor activities but also invigorates the local atmosphere, beckoning both residents and visitors to embrace the vibrant season ahead. As the months progress toward summer, the extended daylight hours symbolize the energy and beauty of life reawakening after winter's retreat.
In April, the gentle whispers of the wind in Tsukuba, Japan, begin to pick up, with an average speed of 2.9 m/s (6 mph), marking a slight increase from the previous months. This mild uptick signifies the transition into spring, as nature awakens from winter's slumber. While January's chilly breezes hovered around 2.3 m/s, the winds gradually grew steadier through March, only to reach their peak for the season in April. Following this invigorating month, the winds settle back to around 2.7 m/s in May, hinting at a serene yet dynamic climate that characterizes Tsukuba's early spring. The patterns suggest a whimsical dance of breath—breezy yet refreshing—setting the stage for the vibrant blossoms that define this season.
Weather in Tsukuba varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Tsukuba, focusing on differences in temperature, rainfall, humidity, and UV levels.
April and January present contrasting weather patterns. In April, temperatures enjoy a milder range, with lows around -1°C (31°F) and average highs reaching up to 29°C (84°F), while January is significantly colder, featuring minimum temperatures of -10°C (14°F) and capped averages at 4°C (39°F). April experiences more precipitation, totaling 112 mm (4.4 in) over 11 days, compared to January's 38 mm (1.5 in) across just 4 days. Additionally, humidity is slightly lower in April at 78%, whereas January sees higher humidity levels at 88%. For more details on January weather, visit Tsukuba weather in January.
April and February present striking contrasts in weather patterns. April enjoys a more temperate climate, with average temperatures soaring to 14°C (57°F) and maximums reaching up to 29°C (84°F). This month experiences significant precipitation totaling 112 mm (4.4 in) over 11 days, accompanied by a relatively mild humidity level of 78%. In comparison, February is noticeably cooler, with average temperatures around 5°C (42°F) and a maximum of only 21°C (70°F). It has considerably less precipitation at 37 mm (1.5 in) over 6 days, but higher humidity at 86%. For a detailed overview of February's climate specifics, you can check Tsukuba weather in February.
April generally offers a milder climate compared to March, with minimum temperatures rising from -4°C (25°F) in March to a more comfortable -1°C (31°F) in April. The average temperature also sees a notable increase, climbing from 9°C (49°F) in March to 14°C (57°F) in April, and maximum temperatures can soar to 29°C (84°F), compared to March's peak of 24°C (76°F). While April experiences slightly less precipitation at 112 mm (4.4 in) compared to March's 124 mm (4.9 in), both months see similar rainfall days, with precipitation occurring on 11 days. Humidity levels remain high in both months, with April at 78% and March slightly higher at 81%. For more detailed information, you can check Tsukuba weather in March.
April and May present a notable transition in weather patterns. April experiences a wider temperature range with a minimum of -1°C (31°F) and a maximum of 29°C (84°F), while May sees milder lows at 6°C (43°F) and warmer highs reaching up to 34°C (93°F). Both months witness significant rainfall, with April receiving 112 mm (4.4 in) over 11 days and May slightly surpassing it with 123 mm (4.8 in) over 12 days. Humidity increases slightly from April's 78% to May's 81%, contributing to the overall feeling of warmth in May. For more information on the specifics of May weather, you can refer to Tsukuba weather in May.
In comparing the weather between April and June, April exhibits a broader temperature range, with minimums dipping to -1°C (31°F) and maximums reaching 29°C (84°F), resulting in an average temperature of 14°C (57°F). The month is characterized by relatively high precipitation, totaling 112 mm (4.4 in) over 11 days, and humidity levels around 78%. In contrast, June presents a warmer climate, with temperatures ranging from a minimum of 12°C (55°F) to a maximum of 33°C (92°F) and an average of 22°C (72°F). This month experiences slightly higher precipitation at 132 mm (5.2 in) across 16 days, along with increased humidity at 88%. For more detailed weather conditions, check Tsukuba weather in June.
April and July exhibit striking differences in weather patterns. In April, temperatures range from a cool -1°C (31°F) to a pleasant 29°C (84°F), with an average of 14°C (57°F). While April sees a moderate level of precipitation at 112 mm (4.4 in) over 11 days, the humidity is relatively lower at 78%. In contrast, July is significantly warmer, with temperatures ranging from a minimum of 17°C (63°F) to a scorching maximum of 37°C (98°F) and an average of 26°C (79°F). July also experiences increased rainfall, totaling 218 mm (8.6 in) across 20 days, and a higher humidity level of 92%. For more detailed information, check out Tsukuba weather in July.
April and August present notably different weather patterns. In April, temperatures range from a chilly minimum of -1°C (31°F) to a comfortable average of 14°C (57°F), with a maximum reaching up to 29°C (84°F). The month experiences moderate precipitation, totaling 112 mm (4.4 in) across 11 days, with humidity at a relatively high 78%.
In contrast, August brings much warmer conditions, with temperatures starting at a minimum of 17°C (62°F) and averaging 28°C (82°F), peaking at a scorching maximum of 37°C (98°F). Precipitation slightly increases to 114 mm (4.5 in) over 14 days, accompanied by higher humidity levels at 92%. For more details on the weather in August, you can visit Tsukuba weather in August.
April and September present distinct contrasts in weather patterns. In April, temperatures range from a chilly minimum of -1°C (31°F) to a mild maximum of 29°C (84°F), with an average of 14°C (57°F). The month sees approximately 112 mm (4.4 in) of precipitation over 11 days, accompanied by a humidity level of 78%. In comparison, September offers much warmer conditions, with temperatures starting at a minimum of 12°C (54°F) and peaking at 35°C (95°F), averaging 23°C (74°F). Precipitation increases to 157 mm (6.2 in) over 17 days, along with higher humidity at 89%. For those interested in exploring September's weather in greater detail, you can find more information here: Tsukuba weather in September.
April and October showcase distinct differences in weather characteristics. In April, temperatures can range from a chilly low of -1°C (31°F) to a warm average of 14°C (57°F), peaking at a maximum of 29°C (84°F). The month sees about 112 mm (4.4 in) of rain over approximately 11 days, with a humidity level of 78%. In contrast, October tends to be milder, with minimum temperatures starting at 6°C (42°F) and averaging around 18°C (64°F), soaring to a high of 32°C (90°F). The month is considerably wetter, recording 225 mm (8.8 in) of precipitation across 14 days, accompanied by higher humidity at 87%. For more detailed information about October weather, visit Tsukuba weather in October.
April and November exhibit notable differences in weather patterns, reflecting the transition from spring to autumn. In April, temperatures range from a brisk minimum of -1°C (31°F) to a warm maximum of 29°C (84°F), with an average of 14°C (57°F). This month sees significant rainfall, totaling 112 mm (4.4 in) over approximately 11 days, coupled with a humidity level of 78%. In contrast, November experiences slightly cooler temperatures with a minimum of -2°C (30°F) and a maximum of 23°C (74°F), averaging 12°C (54°F). Precipitation is less frequent, amounting to 63 mm (2.5 in) over about 7 days, and humidity rises slightly to 85%. For more detailed information on November's climate, you can check this link: Tsukuba weather in November.
April and December present quite contrasting weather patterns. In April, temperatures range from a chilly minimum of -1°C (31°F) to a warm maximum of 29°C (84°F), with an average of 14°C (57°F). This month experiences a significant amount of precipitation, with 112 mm (4.4 in) falling over 11 days, and humidity levels hover around 78%. Conversely, December is much cooler, with temperatures ranging from a low of -4°C (26°F) to a high of 20°C (68°F) and an average of just 6°C (43°F). Precipitation is less abundant, totaling 50 mm (1.9 in) over 6 days, and the humidity is slightly higher at 86%. For more detailed information on December weather, you can check Tsukuba weather in December.
April in Tsukuba marks a notable shift in weather as it transitions from the cool grips of winter to the refreshing warmth of spring. With temperatures rising and reaching maximums that hint at summer, this month offers a significant departure from the chill experienced just a few weeks prior. While precipitation levels are relatively average, the humidity tends to linger, adding a touch of moisture to the air that enhances the blooming landscape. Overall, April stands out as a delightful bridge between seasons, inviting residents and visitors to enjoy the revitalizing charm of nature. For more insights into the climate of Tsukuba, visit Tsukuba Climate.