April Weather in Kasuga, Japan

Last updated: August 21, 2025

In April, Kasuga, Japan experiences a vibrant transition as temperatures rise, with a maximum reaching 28°C (83°F) and an average of 15°C (59°F). The month welcomes spring with its charm, but also brings some rainy days—9 in total, contributing to a precipitation amount of 115 mm (4.5 in). With humidity levels at a comfortable 78%, visitors can enjoy the blossoming landscapes while being prepared for occasional showers. April in Kasuga offers a delightful blend of warmth and refreshing rains, making it an ideal time to explore the beauty of this picturesque region.

April Temperature in Kasuga

April in Kasuga, Japan, heralds the arrival of spring with a delightful transition in temperatures. The month starts with a minimum of 2°C (37°F) and averages a balmy 15°C (59°F), peaking at a pleasant 28°C (83°F), showcasing a significant rise from the chill of winter. This pattern reflects a broader warming trend, with temperatures steadily increasing from the brisk lows of January and February, where peaks only reached the low 20s. By April, the warmth, coupled with blossoming cherry trees, creates an inviting atmosphere perfect for outdoor activities. As the days lengthen and the weather becomes more temperate, Kasuga transforms, making it an ideal time to enjoy the vibrant landscapes and refreshing breezes of spring.

April Weather in Kasuga: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Kasuga, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kasuga, April typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec434452596874808376665546
Data source: Temperature data for Kasuga generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Kasuga

April in Kasuga, Japan, experiences a significant yet balanced distribution of rainfall, with 115 mm (4.5 inches) of precipitation spread over 9 days. This month marks a slight decrease from the 121 mm recorded in March, showcasing a trend towards the drier pre-summer season. As spring unfolds, the precipitation is essential for nurturing the blooming flora, setting the stage for May's more substantial 163 mm (6.4 inches). The relatively consistent rainfall pattern throughout April supports the region’s verdant landscapes, as residents welcome the mild showers that herald the arrival of late spring.

April Precipitation Trends in Kasuga

The chart displays monthly precipitation patterns in Kasuga, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Kasuga, April typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec58801211151631993673032061135268
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Kasuga

In April, Kasuga, Japan, experiences a notable rise in humidity, reaching 78%, which marks an increase from the 71% recorded in both February and March. This shift signals the arrival of spring, as the atmosphere becomes more saturated with moisture, paving the way for the increased warmth of the upcoming months. As humidity steadily ascends in the following months—peaking at a stifling 92% in July—it becomes clear that April serves as a pivotal transition point into this humid season. The consistency in rising humidity levels throughout the spring hints at the lush, vibrant growth that characterizes Kasuga's landscapes as it blooms into summer.

April Average Humidity in Kasuga

This chart illustrates the average monthly humidity levels in Kasuga, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Kasuga is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%71%71%78%84%86%92%91%84%83%81%79%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Kasuga

In April, Kasuga, Japan, experiences a significant leap in UV intensity, reaching an extreme UV Index of 11. This sharp increase from the very high levels seen in March reflects the onset of warmer weather, necessitating heightened awareness for sun exposure. With a minimal burn time of just 10 minutes, residents and visitors alike should take necessary precautions when heading outdoors. This trend of extreme UV levels continues into May and June, indicating that sun safety is paramount during this period. For more information on UV trends in Kasuga, visit Kasuga UV Index.

Maximum UV Index Levels in Kasuga for April

The chart shows the monthly maximum UV Index (UVI) for Kasuga in April, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In April, the maximum UV index in Kasuga typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468111111121211764
Data source: Kasuga April UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

April Sunshine in Kasuga

April brings a delightful burst of sunshine to Kasuga, Japan, with an impressive 281 hours of daylight, marking a steady increase from the previous months. This vibrant trend continues from March, where 262 hours of sunlight began the upward trajectory, reflecting the gradual warming and blooming of spring. As the weeks progress, May edges even higher with 292 hours, suggesting that the days are not only lengthening but also filled with a renewed vitality. This surge continues into summer, with June and July similarly basking in abundant light. The pattern of increasing sunlight hours in early spring paints a promising picture of the season, inviting both nature and residents to come alive under the gentle warmth of April's sun.

Monthly Sunshine Duration in Kasuga: April Highlighted

The April sunshine duration represents the total number of hours Kasuga experiences direct sunlight during the month of April, excluding cloudy or obstructed periods. This chart compares the sunshine duration of April with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec179h232h262h281h292h280h281h304h256h253h236h216h
Data source: Kasuga April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Kasuga During April

In April, Kasuga, Japan, experiences a 41% chance of sunny weather, marking a modest increase from the cooler months of January and March, which both offer a lower 34% likelihood of sun. This slight uptick reflects the transition into spring, as the city begins to shake off the winter chill. However, the sunny days diminish in May, dropping to 30%, suggesting that April may be one of the better months for enjoying bright, clear skies before the rainy season descends in June with only a 22% chance of sunshine. Overall, while April doesn't guarantee abundant sunshine, it does provide a promising opportunity to bask in pleasant weather, serving as a prelude to the vibrant colors of spring.

Percentage of Sunny Days in April in Kasuga

The chart illustrates the percentage of sunny days in Kasuga throughout the year, with April highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Kasuga experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec34%44%34%41%30%22%19%25%30%60%49%43%
Data source: Kasuga April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Kasuga in April

As spring unfolds in Kasuga, Japan, the days grow noticeably longer, with April boasting an impressive 13 hours of daylight. This marks a significant increase from the 11 hours seen in March, heralding the arrival of warmer weather and vibrant blooms. The trend continues into May and June, when daylight peaks at 14 hours. It's a delightful progression that invites residents and visitors alike to embrace outdoor activities. As summer approaches, the daylight gradually begins its descent, with hours tapering off into the fall months. Overall, April stands out as a time of renewal and extended light, perfectly capturing the essence of the season.

Average Daylight Hours in Kasuga for April

The chart illustrates the variation in daylight duration in Kasuga throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 11m10h 57m11h 58m13h13h 53m14h 19m14h 6m13h 20m12h 21m11h 19m10h 25m9h 57m
Data source: Kasuga daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Kasuga

In April, the moderately gentle breeze in Kasuga, Japan, registers an average wind speed of 2.7 m/s (6 mph), mirroring the tranquillity of the early spring season. This consistency continues from March and aligns closely with the winds of January and December, indicating that the transitional weather patterns maintain a stable character. As the month of blooming cherry blossoms unfolds, the wind picks up slightly from the March lull, offering a refreshing touch that complements the awakening landscape. May anticipates a subtle decline, hinting at a tranquil summer ahead, as wind speeds settle back to 2.6 m/s. Overall, April's breezy charm encapsulates the area's serene transition into spring, making it a delightful time for outdoor exploration.

Average April Wind Speed in Kasuga

The chart displays monthly wind speed patterns in Kasuga, with values for each month shown alongside April's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how April's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.73.12.62.7 m/s2.61.62.32.22.22.12.42.7
Data source: Kasuga April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Kasuga Compares to Other Months

Weather in Kasuga varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Kasuga, focusing on differences in temperature, rainfall, humidity, and UV levels.

April and January present notably contrasting weather conditions. In April, temperatures range from a minimum of 2°C (37°F) to a maximum of 28°C (83°F), with an average of 15°C (59°F), making it generally warmer than January. January’s temperatures are cooler, ranging from -3°C (26°F) to 17°C (63°F), with an average of just 6°C (43°F). Additionally, April experiences more precipitation at 115 mm (4.5 in) over about 9 days, compared to January's 58 mm (2.3 in) over 8 days, coupled with slightly higher humidity levels in April at 78% compared to January’s 75%. For more detailed information, you can check Kasuga weather in January.

April generally experiences milder and warmer weather compared to February, with average temperatures rising from 7°C (45°F) in February to 15°C (59°F) in April. While February has a minimum temperature of -3°C (26°F), April's temperatures rarely dip below 2°C (37°F). Additionally, April sees greater maximum temperatures, reaching up to 28°C (83°F), compared to February's peak of 22°C (72°F). However, April is also wetter, with 115 mm of precipitation over 9 days, compared to February's 80 mm over 10 days. Humidity is also slightly higher in April at 78%, compared to 71% in February. For more details on February weather, you can check Kasuga weather in February.

In comparing the weather patterns of March and April, we observe a noticeable increase in temperatures as spring progresses. April boasts a minimum temperature of 2°C (37°F) and an average of 15°C (59°F), peaking at 28°C (83°F), whereas March starts cooler with a minimum of -1°C (31°F) and an average of 11°C (52°F), reaching a maximum of 23°C (73°F). Precipitation levels are fairly similar, with April receiving 115 mm (4.5 in) over 9 days, while March records slightly higher precipitation at 121 mm (4.8 in) across 11 days. Additionally, April experiences a higher humidity level of 78%, compared to March's 71%. For a detailed look at March weather conditions, visit Kasuga weather in March.

April and May present a notable transition in weather patterns. In April, temperatures range from a cool minimum of 2°C (37°F) to a comfortable maximum of 28°C (83°F), with an average temperature of 15°C (59°F). The month also experiences 115 mm (4.5 in) of precipitation over 9 days, with a humidity level of 78%. In contrast, May brings warmer conditions, with temperatures ranging from a minimum of 7°C (44°F) to a peak of 31°C (88°F) and an average of 20°C (68°F). Rainfall increases to 163 mm (6.4 in) over 12 days, alongside a slight rise in humidity to 84%. For more detailed weather insights, you can visit Kasuga weather in May.

April and June present distinct contrasts in weather patterns. In April, temperatures range from a chilly 2°C (37°F) at night to a pleasant 28°C (83°F) during the day, with an average temperature of 15°C (59°F). The month experiences moderate precipitation of 115 mm (4.5 in) over about 9 days, alongside a humidity level of 78%. In contrast, June sees noticeably warmer temperatures, with a minimum of 14°C (58°F) and a peak reaching 33°C (91°F), averaging at 23°C (74°F). This month is wetter, with 199 mm (7.8 in) of rain spread over around 14 days and a higher humidity of 86%. For a detailed look at June weather patterns, you can check Kasuga weather in June.

April presents a mild transition into spring, characterized by a temperature range of 2°C (37°F) to 28°C (83°F) and an average of 15°C (59°F). In contrast, July brings the height of summer, with temperatures significantly higher, ranging from 18°C (64°F) to a scorching 36°C (98°F) and averaging around 27°C (81°F). While April sees moderate precipitation of 115 mm (4.5 in) over about 9 days, July experiences much heavier rainfall, totaling 367 mm (14.4 in) across 20 days, accompanied by increased humidity levels of 92%. For more details on the July climate, you can check Kasuga weather in July.

April weather is characterized by cooler temperatures, with a minimum of 2°C and an average of 15°C, allowing for mild days as max temperatures reach 28°C. It typically sees about 115 mm of rainfall over 9 days, resulting in a relative humidity of 78%. In contrast, August brings much warmer conditions, featuring a minimum temperature of 19°C and an average of 28°C, peaking at a scorching 37°C. The summer month also experiences significantly higher precipitation, with 303 mm over 15 days and increased humidity levels at 91%. For more details on the August weather in Kasuga, you can check Kasuga weather in August.

April and September present contrasting weather patterns. In April, temperatures range from a cool minimum of 2°C (37°F) to a pleasant maximum of 28°C (83°F), with an average of 15°C (59°F). However, it experiences 115 mm (4.5 in) of rainfall over about 9 days, coupled with a humidity level of 78%. In contrast, September is notably warmer, with temperatures ranging from a minimum of 13°C (56°F) to a hot maximum of 35°C (96°F) and an average of 24°C (76°F). This month sees increased precipitation at 206 mm (8.1 in) across 15 days, along with a slightly higher humidity of 84%. For more details on September weather in this region, you can visit Kasuga weather in September.

April and October offer distinct weather experiences, making each month unique in its own right. In April, temperatures range from a chilly 2°C (37°F) at night to a pleasant 28°C (83°F) during the day, with an average of 15°C (59°F). The month sees about 115 mm (4.5 in) of precipitation over approximately 9 days, paired with a humidity level of 78%. In contrast, October features milder nights with temperatures starting at 8°C (47°F) and rising to a warm 32°C (89°F) during the day, with an average temperature of 19°C (67°F). This month experiences slightly lower precipitation levels, totaling 113 mm (4.5 in) and occurring over about 10 days, while humidity increases to 83%. For more details, you can check Kasuga weather in October.

April and November present distinct weather profiles. April boasts a wider temperature range, with minimums dipping to 2°C (37°F) and maximums reaching 28°C (83°F), leading to an average of 15°C (59°F). The month experiences higher precipitation, averaging 115 mm (4.5 in) over 9 days, resulting in a relatively humid atmosphere at 78%. In contrast, November has cooler temperatures, with a minimum of 0°C (32°F) and a maximum of 25°C (77°F), averaging around 13°C (56°F). The precipitation is less, totaling 52 mm (2.1 in) across 7 days, and the humidity is slightly higher at 81%. For more detailed information on November weather, you can visit Kasuga weather in November.

April and December present contrasting weather patterns, highlighting the transition from spring to winter. In April, temperatures range from a minimum of 2°C (37°F) to a maximum of 28°C (83°F), with an average of 15°C (59°F) and a humid atmosphere at 78%. The month sees significant rainfall, totaling 115 mm (4.5 in) over about 9 days, creating a lush and vibrant landscape. In contrast, December's weather is cooler, with temperatures dipping to a minimum of -1°C (31°F) and rising only to a maximum of 23°C (73°F), giving an average of 8°C (46°F). With 68 mm (2.7 in) of precipitation over 8 days and slightly increased humidity at 79%, December's weather feels more brisk and crisp. For a detailed overview of December's conditions, you can check out Kasuga weather in December.

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Conclusion: What to Expect From April Weather in Kasuga

As April unfolds in Kasuga, the weather breathes a refreshing change, transitioning from the lingering chill of winter to the budding warmth of spring. With temperatures averaging a comfortable 15°C and peaking at 28°C, residents and visitors alike begin to enjoy more outdoor activities, albeit with an occasional mix of showers contributing to the 115 mm of precipitation over 9 days. The 78% humidity adds a slight embrace to the air, contrasting the drier months that precede it. This blend of mild temperatures and sporadic rain creates a vibrant atmosphere, making April one of the most enchanting months to experience nature’s revival in Kasuga. For a detailed look at what to expect throughout the year, visit Kasuga Climate.