April Weather in Kawasaki, Japan

Last updated: August 21, 2025

April in Kawasaki, Japan, welcomes the onset of spring with pleasant temperatures ranging from a maximum of 23°C (74°F) to a minimum of 4°C (40°F), with an average temperature of 15°C (58°F). While the days are generally mild, humidity levels sit at a comfortable 74%, adding to the season's charm. Visitors can expect about 116 mm (4.6 in) of precipitation over 10 days, so it's wise to pack an umbrella alongside those springtime outfits. This month showcases the beauty of blossoming flora, making it an ideal time to explore the scenic landscapes of Kawasaki.

April Temperature in Kawasaki

In April, Kawasaki, Japan, begins to shake off the chill of winter, with temperatures gradually rising and heralding the arrival of spring. The average temperature sits pleasantly at 15°C (58°F), reflecting a significant leap from the cooler months. Mornings may start at a brisk 4°C (40°F) but warm up nicely, with afternoons reaching up to 23°C (74°F). This comfortable warmth encourages the bloom of cherry blossoms and invites locals and tourists alike to enjoy outdoor activities and picturesque landscapes. As the month progresses, it's clear that the transition into warmer weather is well underway, setting the stage for the delightful warmth of May to follow.

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

The chart illustrates April temperature patterns in Kawasaki, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kawasaki, 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).
JanFebMarAprMayJunJulAugSepOctNovDec434551586772788275665848
Data source: Temperature data for Kawasaki 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 Kawasaki

In April, Kawasaki experiences a significant shift in weather, with precipitation totaling 116 mm (4.6 in) over 10 rainy days. This marks a slight decrease from the previous month's notable rainfall of 138 mm (5.4 in), indicating the arrival of spring with milder conditions. However, the consistency of rainfall persists, keeping the city lush and vibrant. As spring progresses into May, precipitation levels remain comparable, with 118 mm (4.6 in) expected, suggesting a gradual transition into the more humid summer months ahead. Overall, April’s moderate rainfall and frequency of rainy days reflect the city's typical patterns, setting the stage for the lush landscapes characteristic of Kawasaki in the springtime.

April Precipitation Trends in Kawasaki

The chart displays monthly precipitation patterns in Kawasaki, 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 Kawasaki, April typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec53431381161181612091041872668764
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Kawasaki

April in Kawasaki, Japan sees a humidity level of 74%, marking a slight increase from the previous month’s 70%. As spring unfolds, the moderate humidity is a refreshing change that precedes a more noticeable rise in moisture later in the season. This month is generally characterized by relatively comfortable conditions compared to the impending summer, where humidity levels can soar, reaching a peak of 93% in July. With May following closely at 81%, April serves as a transitional period, beautifully bridging the gap between the crispness of early spring and the lush, humid embrace of the approaching warm months.

April Average Humidity in Kawasaki

This chart illustrates the average monthly humidity levels in Kawasaki, 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 Kawasaki is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%74%70%74%82%88%93%90%86%83%80%78%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Kawasaki

As April arrives in Kawasaki, Japan, residents can expect a significant increase in UV exposure, with the UV Index soaring to 9, marking it as a very high risk category. This escalation follows the steady rise observed in the previous months, where March already showed a looming warning at 8. With a mere 15 minutes being the new burn time, it's crucial for everyone to take protective measures seriously, especially as we transition towards the even more intense UV levels expected in May and June. The trend illustrates an approaching peak in UV intensity, emphasizing the need for awareness and preparation during this time. For more detailed information, visit Kawasaki UV Index.

Maximum UV Index Levels in Kawasaki for April

The chart shows the monthly maximum UV Index (UVI) for Kawasaki 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 Kawasaki typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35891111111110754
Data source: Kawasaki 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 Kawasaki

April in Kawasaki, Japan, ushers in a delightful surge of sunlight, with an impressive 273 hours of sunshine gracing the month. This is a significant increase from the 260 hours recorded in March, signaling the onset of spring's full bloom. As the days lengthen and the weather warms, April sets the stage for even sunnier days ahead, with May boasting the highest sunshine hours at 285. The trend of rising sunshine hours not only enhances the vibrant atmosphere but also invites residents and visitors alike to enjoy outdoor activities and appreciate the beauty of the season. With each passing month, from the crispness of winter to the brightness of spring and into the summer, Kawasaki showcases a dynamic range of sunlight that captivates and energizes the community.

Monthly Sunshine Duration in Kawasaki: April Highlighted

The April sunshine duration represents the total number of hours Kawasaki 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.
JanFebMarAprMayJunJulAugSepOctNovDec191h233h260h273h285h262h234h288h235h202h231h231h
Data source: Kawasaki April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Kawasaki During April

In April, Kawasaki, Japan, experiences a 50% chance of sunny weather, striking a balance between the sunnier months of January and February, which boast probabilities of 53% and 66% respectively, and the overcast conditions seen later in the year. This transitional month reflects a gradual shift from winter’s clarity toward the rainier days of May, where the chance of sun dips significantly to just 24%. Overall, April’s moderate sunshine makes it an ideal time for outdoor activities, as it sits comfortably amidst varying sun probabilities throughout the year, embodying the unpredictability of spring in this vibrant city.

Percentage of Sunny Days in April in Kawasaki

The chart illustrates the percentage of sunny days in Kawasaki 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 Kawasaki experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec53%66%42%50%24%24%34%37%28%50%59%64%
Data source: Kawasaki April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Kawasaki in April

As spring unfolds in Kawasaki, Japan, daylight duration dramatically increases, exemplified by the transition from 11 hours in March to a vibrant 13 hours in April. This trend of longer days not only fosters a cheerful atmosphere but also signals the approach of summer, where daylight peaks at 14 hours from May through July. The gradual lengthening of daylight is a hallmark of the changing seasons, creating a bright backdrop for outdoor activities and a boost of energy in the local community. As April blooms, the interplay of daylight and blossoming cherry trees enhances the beauty of the city, inviting both residents and visitors to bask in the longer, sunlit days ahead.

Average Daylight Hours in Kawasaki for April

The chart illustrates the variation in daylight duration in Kawasaki throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 2m10h 53m11h 58m13h 5m14h 1m14h 29m14h 15m13h 26m12h 22m11h 15m10h 17m9h 47m
Data source: Kawasaki daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Kawasaki

In Kawasaki, April ushers in a refreshing breeze, with average wind speeds hovering around 4.8 m/s (or 11 mph), mirroring the gentle winds of March. This slight dip from the brisk gusts of the preceding months signals a transition into more temperate conditions as spring fully unfolds. Following the April gusts, May brings a moderate uptick to 5.3 m/s (12 mph), suggesting that as the season progresses, the winds tend to gain strength before settling down again in the summer months. The overall pattern reflects a dynamic interplay between the invigorating winds of early spring and the calmer breezes that follow, creating a unique atmospheric rhythm characteristic of Kawasaki's delightful April climate.

Average April Wind Speed in Kawasaki

The chart displays monthly wind speed patterns in Kawasaki, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.34.94.94.8 m/s5.33.73.24.84.44.64.14.5
Data source: Kawasaki April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Kawasaki Compares to Other Months

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

When comparing the weather in April and January, notable differences emerge. April typically enjoys milder temperatures, with a minimum of 4°C (40°F) and an average high of 23°C (74°F), while January presents a chillier atmosphere, with temperatures dipping to a low of -3°C (27°F) and an average high of 18°C (65°F). Additionally, April experiences higher precipitation levels of 116 mm (4.6 in) over about 10 days, compared to January’s more limited rainfall of 52 mm (2.1 in) over just 4 days. Interestingly, humidity remains relatively stable, with April at 74% and January slightly higher at 76%. For a more detailed look at January weather conditions, you can visit Kawasaki weather in January.

April and February present distinct contrasts in weather patterns. In April, temperatures range from a minimum of 4°C (40°F) to a maximum of 23°C (74°F), with an average of 15°C (58°F). This month sees more precipitation, totaling 116 mm (4.6 in) over approximately 10 days, indicating a wetter climate as spring progresses. Conversely, February exhibits cooler temperatures, with a minimum of 0°C (31°F) and a maximum of 18°C (66°F), averaging at 7°C (45°F). This month experiences significantly less rain, with only 43 mm (1.7 in) over about 7 days. Despite the similar humidity levels of 74% in both months, April's warmer temperatures and increased rainfall highlight the shift towards milder spring weather. For more details, you can check Kawasaki weather in February.

In comparing the weather between March and April, we can observe some notable changes. April generally experiences warmer temperatures, with a minimum of 4°C (40°F) and an average of 15°C (58°F), compared to March's cooler minimum of 1°C (34°F) and an average of 11°C (52°F). Additionally, April's maximum temperature reaches up to 23°C (74°F), while March tops out at 20°C (69°F).

However, April also brings increased precipitation, with 116 mm (4.6 in) over approximately 10 days, while March has slightly higher rainfall at 138 mm (5.4 in) over 12 days. The humidity levels are comparable, with April at 74% and March at 70%. For a detailed look at March's weather, you can visit Kawasaki weather in March.

April and May present a noticeable shift in weather conditions. In April, temperatures range from a minimum of 4°C (40°F) to a maximum of 23°C (74°F), with an average temperature of 15°C (58°F). The month experiences significant rainfall, totaling 116 mm (4.6 in) over approximately 10 days, coupled with a humidity level of 74%. In contrast, May sees warmer temperatures, with a minimum of 11°C (52°F) and a peak of 27°C (80°F), resulting in an average of 19°C (67°F). While May has a slightly higher total precipitation of 118 mm (4.6 in) over 11 days, it also experiences increased humidity at 81%. The transition from April to May thus marks a warming trend accompanied by a slight uptick in moisture. For more specific insights on May weather in Kawasaki, check out Kawasaki weather in May.

April and June showcase distinct differences in weather patterns. In April, temperatures range from a minimum of 4°C (40°F), averaging around 15°C (58°F), and peaking at 23°C (74°F). The month sees moderate precipitation, with 116 mm (4.6 in) falling over approximately 10 days and a humidity level of 74%. In contrast, June experiences a warmer climate, with temperatures starting at a minimum of 16°C (61°F) and reaching an average of 22°C (72°F), topping out at 29°C (85°F). Additionally, June is wetter, accumulating 161 mm (6.3 in) of rainfall over 13 days and a higher humidity level at 88%. For a more detailed look at the weather trends, you can check Kawasaki weather in June.

April and July present notably different weather experiences. In April, temperatures range from a minimum of 4°C (40°F) to a pleasant average of 15°C (58°F), peaking at 23°C (74°F). The month sees significant precipitation, with about 116 mm (4.6 in) falling over 10 days, and humidity levels are relatively moderate at 74%. In contrast, July brings a much warmer climate, with temperatures starting at a minimum of 19°C (66°F) and averaging around 26°C (78°F), soaring to a maximum of 35°C (95°F). Precipitation increases to 209 mm (8.2 in) over 16 days, and humidity rises to a high of 93%. This makes July not only warmer but also wetter than April, reflecting the shift towards the heart of summer. For more details, check out Kawasaki weather in July.

April and August showcase stark differences in weather patterns. In April, temperatures range from a chilly minimum of 4°C (40°F) to a pleasant maximum of 23°C (74°F), with an average of 15°C (58°F). This month experiences significant rainfall, totaling 116 mm (4.6 in) over 10 days, along with a moderate humidity level of 74%. In contrast, August offers much warmer conditions, with temperatures varying from a minimum of 20°C (68°F) to a sweltering maximum of 34°C (93°F), averaging 28°C (82°F). Although August sees slightly less precipitation at 104 mm (4.1 in) over 12 days, it comes with a higher humidity level of 90%. For more detailed information on August weather in Kawasaki, visit Kawasaki weather in August.

April and September present quite different weather experiences. In April, temperatures range from a chilly 4°C (40°F) at night to a mild average of 15°C (58°F), peaking at 23°C (74°F) during the day. The month is characterized by significant rainfall, with 116 mm (4.6 in) over about 10 days and humidity levels around 74%. In contrast, September sees a much warmer climate, with nighttime lows of 16°C (60°F) and daytime averages reaching 24°C (76°F), with highs of 32°C (90°F). This month experiences even more precipitation, totaling 187 mm (7.4 in) across 16 days, and higher humidity at 86%. For a detailed overview of the climate during this month, check out Kawasaki weather in September.

April and October showcase distinct weather patterns, reflecting the transition of seasons. In April, temperatures range from a chilly 4°C (40°F) at night to a pleasant 23°C (74°F) during the day, with an average of 15°C (58°F). The month sees about 116 mm (4.6 in) of precipitation over around 10 days, and humidity hovers at 74%. In contrast, October experiences warmer nighttime lows of 11°C (52°F) and daytime highs reaching 28°C (83°F), with an average temperature of 19°C (67°F). However, it also brings more rain, totaling 266 mm (10.5 in) over approximately 16 days and higher humidity at 83%. For a closer look at the October climate specifics, you can visit Kawasaki weather in October.

April and November present similar temperature ranges, with both months featuring a minimum of 4°C (40°F) and a maximum around 23°C (73-74°F). However, April enjoys a slightly warmer average temperature of 15°C (58°F) compared to November's 14°C (58°F). In terms of precipitation, April is wetter, receiving 116 mm (4.6 in) across 10 days, while November sees 87 mm (3.4 in) over 11 days. The humidity is higher in November at 80%, compared to April's 74%. For more detailed information, you can check Kawasaki weather in November.

April and December present contrasting weather patterns, showcasing the transition from spring to winter. April boasts a warmer average temperature of 15°C (58°F) with maximums reaching up to 23°C (74°F), while December's average cools down to 9°C (49°F) and can peak at 21°C (70°F). In April, residents can expect more frequent rainfall, with a total precipitation of 116 mm (4.6 in) over about 10 days, compared to December's milder 64 mm (2.5 in) across 7 days. Despite the generally lower temperatures in December, the humidity slightly increases to 78%, making the air feel a bit heavier. For more information, you can explore Kawasaki weather in December.

Compare Kawasaki's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Kawasaki

April in Kawasaki marks a delightful transition into spring, with temperatures warming up significantly compared to the cooler winter months. Despite some lingering chilly days, the rise in average temperatures brings a refreshing change, making outdoor activities more inviting. Rainfall is common, contributing to the month’s humidity, but this only enhances the lush landscapes that emerge during this season. Overall, April offers a harmonious blend of mild weather and vibrant nature, setting the stage for the pleasant months ahead. For more insights on Kawasaki's climate, check out Kawasaki Climate.