April Weather in Shizuoka, Japan

Last updated: August 21, 2025

In April, Shizuoka, Japan experiences a vibrant transition to spring, with temperatures reaching a maximum of 24°C (76°F) and an average of 14°C (57°F). However, the month is characterized by its cool evenings, with a minimum temperature of 5°C (41°F). Rainfall is frequent, with 244 mm (9.6 in) of precipitation spread over 13 days, contributing to the region's lush landscapes. With an average humidity level of 74%, this month showcases Shizuoka’s beautiful blossoms while also requiring a light rain jacket for those occasional showers.

April Temperature in Shizuoka

As April blankets Shizuoka, Japan, the grip of winter begins to fade, ushering in a delightful transformation in the weather. With minimum temperatures hovering at around 5°C (41°F) and peaking at 24°C (76°F), the month offers an invigorating average temperature of 14°C (57°F), marking a clear transition to spring. This pleasant rise in warmth from March’s coolness is complemented by increasingly sunny days, inviting locals and tourists alike to indulge in outdoor activities amidst the stunning cherry blossoms. Notably, April's comforting temperatures set the stage for the gradual warming that unfolds in the months ahead, showcasing Shizuoka’s charming seasonal evolution.

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

The chart illustrates April temperature patterns in Shizuoka, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Shizuoka, 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).
JanFebMarAprMayJunJulAugSepOctNovDec454651576470778075675850
Data source: Temperature data for Shizuoka generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Shizuoka

April in Shizuoka, Japan, marks a significant uptick in precipitation, with 244 mm (9.6 in) of rain falling over 13 days. This pattern reflects the area's transition into the wetter months, as the rainfall increases notably from March's 227 mm (8.9 in). With the onset of spring, the region experiences a rich tapestry of showers, nurturing lush landscapes and vibrant blooms. Notably, April's precipitation is closely matched by May's 240 mm (9.5 in), indicating a sustained wet spell that sets the stage for the summer months ahead. As the rainfall continues to rise, Shizuoka prepares for the lush greenery and damp weather typical of this dynamic season.

April Precipitation Trends in Shizuoka

The chart displays monthly precipitation patterns in Shizuoka, 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 Shizuoka, April typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec719822724424028847126026330510182
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Shizuoka

In April, Shizuoka experiences a slight uptick in humidity, reaching 74%, which is consistent with early spring conditions as the area transitions from the drier winter months. This level of humidity, while notable, marks a trend of modest increases from March's 70%. As the region gears up for the warmer months, humidity levels are set to rise significantly in May and beyond, peaking during the summer with a sweltering 93% in July. Overall, April acts as a bridge between the mild conditions of winter and the high humidity typical of the approaching summer, indicating a gradual shift in the atmospheric patterns of Shizuoka.

April Average Humidity in Shizuoka

This chart illustrates the average monthly humidity levels in Shizuoka, 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 Shizuoka 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 Shizuoka

April in Shizuoka, Japan, marks a significant increase in UV exposure, with the UV Index reaching 10, categorizing it as very high. This rise continues the trend observed from March, where the index was already elevated at 8. As residents and visitors enjoy the warmer spring days, it's crucial to be vigilant about sun protection, as the burn time is a mere 15 minutes. This sharp contrast to the milder winter months underscores the importance of being sun-smart. The upcoming months will see an even steeper rise, especially in May, where the UV Index climbs to 11 and enters the extreme category. For more detailed information on UV levels throughout the year, visit Shizuoka UV Index.

Maximum UV Index Levels in Shizuoka for April

The chart shows the monthly maximum UV Index (UVI) for Shizuoka 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 Shizuoka typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111121110754
Data source: Shizuoka 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 Shizuoka

April in Shizuoka, Japan, is a radiant celebration of sunshine, boasting an impressive 275 hours of sunlight that elevates it to one of the sunniest months of the year. This delightful increase follows the steady climb from March's 265 hours, showcasing a vibrant transition into spring. The sunshine continues to accumulate in May, peaking at 293 hours before gradually dipping in the subsequent months. However, even as the summer unfolds, Shizuoka maintains a remarkable average, illustrating a consistent trend of abundant sunlight that enhances the region's charm throughout the year. As April beckons with its warm rays, it sets the perfect stage for outdoor adventures and the rejuvenating beauty of nature.

Monthly Sunshine Duration in Shizuoka: April Highlighted

The April sunshine duration represents the total number of hours Shizuoka 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.
JanFebMarAprMayJunJulAugSepOctNovDec193h237h265h275h293h264h240h297h244h218h236h237h
Data source: Shizuoka April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Shizuoka During April

In Shizuoka, Japan, the likelihood of enjoying sunny weather in April stands at 47%, indicating a modest chance of clear skies during this spring month. This is a notable decline from the sunny peaks seen in the early winter months, with January at 58% and February jumping to 64%. However, as spring unfolds, the chances dip further, reaching a low of 42% in March before slightly rebounding in April. The pattern suggests that while April may not guarantee sun-soaked days, it's a transitional month where the weather starts to brighten up compared to the lingering gloom of winter. With May heralding a further decrease in sunshine chances down to 26%, April serves as a fleeting window of opportunity for those seeking sun amid the budding blossoms.

Percentage of Sunny Days in April in Shizuoka

The chart illustrates the percentage of sunny days in Shizuoka 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 Shizuoka experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec58%64%42%47%27%24%31%33%30%47%63%73%
Data source: Shizuoka April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Shizuoka in April

In Shizuoka, Japan, the month of April heralds a significant shift in daylight duration, with daylight extending to a delightful 13 hours. This increase from 11 hours in March demonstrates the gradual transition into spring, when nature awakens and the days grow longer. Following April, May maintains this welcoming length of daylight, allowing for ample time to savor the beauty of blooming cherry blossoms and the vibrant landscapes that define the season. As daylight peaks in June and July at 14 hours, it’s clear that Shizuoka embraces the longer days of summer, fostering an atmosphere of outdoor adventure and exploration. After the summertime zenith, daylight begins to slowly wane, illustrating the natural ebb and flow of the seasons as we move into the softer light of autumn.

Average Daylight Hours in Shizuoka for April

The chart illustrates the variation in daylight duration in Shizuoka throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 4m10h 54m11h 58m13h 4m13h 59m14h 27m14h 13m13h 24m12h 22m11h 16m10h 19m9h 50m
Data source: Shizuoka daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Shizuoka

In April, Shizuoka experiences a gentle breeze with an average wind speed of 2.9 m/s (7 mph), marking a slight increase from the calmer atmosphere of March (2.8 m/s). This transition into spring is characterized by increasingly mild weather, fostering a refreshing outdoor ambiance perfect for enjoying the blooming scenery. As the month progresses, the wind begins to pick up, setting the stage for the livelier winds of late spring in May (3.1 m/s). Overall, April's mild winds are reminiscent of a soft whisper, inviting both locals and visitors to revel in the beauty of Shizuoka's blossoming landscapes.

Average April Wind Speed in Shizuoka

The chart displays monthly wind speed patterns in Shizuoka, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.94.22.82.9 m/s3.12.12.22.92.82.73.33.7
Data source: Shizuoka April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Shizuoka Compares to Other Months

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

April and January exhibit distinct weather patterns, reflecting the transition from winter to spring. In April, temperatures range from a chilly minimum of 5°C (41°F) to a warm maximum of 24°C (76°F), with an average of 14°C (57°F). This month also sees significantly more precipitation, totaling 244 mm (9.6 in) over 13 days, leading to a humid atmosphere with a humidity level of 74%. In contrast, January is much cooler, with temperatures fluctuating between a minimum of -1°C (30°F) and a maximum of 17°C (63°F), resulting in an average of 7°C (45°F). Additionally, January experiences considerably less rainfall, with only 71 mm (2.8 in) falling over 6 days, while maintaining similar humidity levels at 76%. For more detailed insights, check out Shizuoka weather in January.

April generally brings milder temperatures compared to February, with minimum values around 5°C (41°F) and an average of 14°C (57°F), compared to February's minimum of 0°C (32°F) and average of 8°C (46°F). The maximum temperatures in April can reach up to 24°C (76°F), while February peaks at 18°C (66°F). However, April also sees significantly more precipitation, with 244 mm (9.6 in) over approximately 13 days, in contrast to February's 98 mm (3.9 in) across 8 days. Both months share a similar humidity level of 74%, making them relatively damp. For more insights on February's weather specifics, you can visit Shizuoka weather in February.

In comparing the weather between March and April, April tends to be warmer, with average temperatures rising from 11°C (52°F) in March to 14°C (57°F) in April. The maximum temperature also increases from 21°C (71°F) in March to 24°C (76°F) in April. April experiences slightly higher precipitation levels, with 244 mm (9.6 in) over 13 days, compared to 227 mm (8.9 in) over the same number of days in March. Additionally, humidity is marginally higher in April at 74% versus 70% in March. For more detailed information, see Shizuoka weather in March.

April and May present a notable transition in weather patterns. In April, temperatures range from a minimum of 5°C (41°F) to a maximum of 24°C (76°F), with an average of 14°C (57°F). The month experiences significant rainfall, accumulating 244 mm (9.6 in) over 13 days, accompanied by a humidity level of 74%. In contrast, May sees milder temperatures, with a minimum of 10°C (50°F) and a maximum of 25°C (78°F), resulting in a comfortable average of 18°C (65°F). Precipitation in May is slightly less, at 240 mm (9.5 in) over 12 days, and humidity rises to 81%, providing a lush environment. For more specific insights into May weather, you can check Shizuoka weather in May.

April's weather is characterized by a mild temperature range, with minimums around 5°C (41°F) and maximums reaching up to 24°C (76°F). The month experiences an average temperature of 14°C (57°F) alongside a substantial amount of precipitation at 244 mm (9.6 in) over approximately 13 days, and a relative humidity of 74%.

In contrast, June sees significantly warmer conditions, with minimum temperatures around 15°C (59°F) and maximums peaking at 28°C (83°F), featuring an average temperature of 21°C (70°F). However, June is also wetter, with precipitation totaling 288 mm (11.4 in) over about 17 days and a higher humidity level of 88%. For more information, please visit Shizuoka weather in June.

April and July present stark contrasts in weather conditions. April's temperatures range from a minimum of 5°C (41°F) to a maximum of 24°C (76°F), with an average of 14°C (57°F), making it a cooler month overall. In contrast, July enjoys much warmer conditions, with temperatures ranging from a minimum of 19°C (67°F) to a maximum of 31°C (88°F) and an average of 25°C (77°F). Precipitation levels are also noticeably higher in July, totaling 471 mm (18.6 in) over 23 days, compared to April's 244 mm (9.6 in) over 13 days. Moreover, humidity peaks in July at 93%, significantly higher than April's 74%. For a more detailed look at July's weather, visit Shizuoka weather in July.

April and August weather in Shizuoka present a distinct contrast, marked by significant differences in temperature and humidity. In April, temperatures range from a cool minimum of 5°C (41°F) to a pleasant maximum of 24°C (76°F), with an average of 14°C (57°F). The month experiences considerable rainfall, totaling 244 mm (9.6 in) over about 13 days, and a moderate humidity level of 74%. In contrast, August sees much warmer conditions, with temperatures ranging from a minimum of 20°C (69°F) to a hot maximum of 34°C (93°F), averaging 27°C (80°F). This month also experiences slightly higher precipitation, hitting 260 mm (10.2 in) across 18 days, and a higher humidity level of 90%. For more details, check out Shizuoka weather in August.

April and September present distinctly different weather patterns. In April, temperatures range from a minimum of 5°C (41°F) to a maximum of 24°C (76°F), with an average temperature of 14°C (57°F). This month experiences significant precipitation, totaling 244 mm (9.6 in), over approximately 13 rainy days and a relative humidity of 74%. Conversely, September exhibits warmer temperatures with a minimum of 17°C (63°F) and a maximum of 31°C (89°F), averaging around 24°C (75°F). It also sees a higher total precipitation of 262 mm (10.3 in) over 19 days, accompanied by increased humidity at 86%. For more details, you can explore Shizuoka weather in September.

April and October exhibit distinct weather patterns, showcasing the transitional nature of spring and autumn. In April, temperatures range from a chilly minimum of 5°C (41°F) to a comfortable average of 14°C (57°F) and a high of 24°C (76°F). The month is marked by significant precipitation, totaling 244 mm (9.6 in) over about 13 days, and a humidity level of 74%.

In contrast, October enjoys warmer temperatures, with a minimum of 12°C (54°F) and an average of 19°C (67°F), peaking at 28°C (83°F). However, it is also characterized by increased rainfall, amassing 305 mm (12.0 in) across 17 days, coupled with higher humidity at 83%. For a more detailed look at October weather, you can check Shizuoka weather in October.

April and November in Shizuoka present mild weather, though with distinct differences. In April, temperatures range from a minimum of 5°C (41°F) to a maximum of 24°C (76°F), offering an average of 14°C (57°F). The month sees a relatively high precipitation level of 244 mm (9.6 in) across 13 days, with humidity at 74%. In contrast, November offers slightly warmer temperatures, with a minimum of 6°C (43°F) and a maximum of 23°C (73°F), averaging 15°C (59°F). Precipitation is notably lower at 101 mm (4.0 in) over 11 days, and humidity rises to 80%. For more specific details about November weather in Shizuoka, you can refer to Shizuoka weather in November.

April and December present contrasting weather patterns. In April, temperatures range from a minimum of 5°C (41°F) to a maximum of 24°C (76°F), with an average temperature of 14°C (57°F). This month sees significant rainfall, with about 244 mm (9.6 in) of precipitation over 13 days, contributing to a humidity level of 74%. In contrast, December features cooler temperatures, with a minimum of 1°C (33°F), an average of 10°C (50°F), and a maximum of 20°C (68°F). Precipitation is considerably lower at 82 mm (3.2 in) over 8 days, with humidity slightly higher at 78%. For more details, check out Shizuoka weather in December.

Compare Shizuoka's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Shizuoka

April in Shizuoka ushers in a vibrant transition from the chill of winter, characterized by a notable rise in temperatures and a lush awakening of nature. With average temperatures around 14°C, the city experiences pleasant conditions perfect for outdoor activities, unlike the cooler months that precede it. However, April also brings a fair share of rain, with about 13 days of precipitation that adds a refreshing touch to the landscape, contributing to the month's humidity of 74%. As you explore the beauty of Shizuoka during this spring month, it's essential to be prepared for those occasional showers while enjoying the delightful warmth. To learn more about how Shizuoka's weather transforms throughout the year, visit Shizuoka Climate.