April Weather in Bizen, Japan

Last updated: August 21, 2025

April in Bizen, Japan offers a delightful transition into spring, with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 21°C (71°F). The average temperature sits comfortably at 13°C (56°F), creating a mild atmosphere perfect for outdoor exploration. However, visitors should be prepared for the possibility of rain, as the month sees about 130 mm (5.1 in) of precipitation over 9 days, contributing to a relative humidity of 74%. This blend of warmth and moisture fosters the vibrant blooms that characterize the season, making April a charming time to experience the beauty of Bizen.

April Temperature in Bizen

In April, Bizen, Japan experiences a delightful transition into spring with temperatures that reflect the warming trend of the season. The month starts with a minimum of 4°C (40°F) and reaches an inviting maximum of 21°C (71°F), marking a shift from the colder temperatures of winter. The average temperature settles at 13°C (56°F), providing a comfortable atmosphere for outdoor activities and the blooming of cherry blossoms. This gradual increase from March not only indicates the end of lingering chill but also sets the tone for milder and more vibrant weather ahead, as May approaches with even warmer averages. With each passing day, the days grow longer and more inviting, making April a perfect time to experience the natural beauty of Bizen.

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

The chart illustrates April temperature patterns in Bizen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bizen, 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).
JanFebMarAprMayJunJulAugSepOctNovDec434349566471788276675748
Data source: Temperature data for Bizen 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 Bizen

In April, Bizen, Japan experiences a notable increase in precipitation, averaging 130 mm (5.1 in) over 9 days, which marks a significant rise from the previous month's 108 mm (4.2 in). This uptick suggests a transition into a wetter season, setting the stage for the upcoming lushness of May, which sees a similarly high rainfall of 131 mm (5.2 in). Both April and May reflect a trend of increased moisture as spring progresses, contrasting sharply with the drier winter months, which recorded only 39 mm (1.5 in) and 55 mm (2.2 in) in January and February, respectively. The consistent rise in precipitation highlights the dynamic weather patterns of the region, as it prepares for the intense rainfall typical of summer.

April Precipitation Trends in Bizen

The chart displays monthly precipitation patterns in Bizen, 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 Bizen, April typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec39551081301311643031732222113852
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Bizen

In April, Bizen, Japan experiences a slight dip in humidity, with levels settling at 74%, following the gradual decrease from the previous months. This subtle drop contrasts with the much higher humidity in the surrounding months, particularly the summer, which sees July and August peaking at an intense 92%. As spring unfolds, April acts as a transitional month, positioning itself between the cooler, drier late winter and the onset of the muggy summer. This trend showcases Bizen's distinct seasonal shifts, with humidity levels ramping up significantly just a month later, while offering a moment of reprieve before the sticky summer months begin.

April Average Humidity in Bizen

This chart illustrates the average monthly humidity levels in Bizen, 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 Bizen is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%79%73%74%84%86%92%92%87%85%84%82%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Bizen

April in Bizen, Japan, signals a dramatic shift in UV exposure, with the UV Index soaring to 11, categorizing it as extreme and reducing burn time to just 10 minutes. This leap from March's already high Index of 8 reflects a clear trend as spring transitions into the hotter months. Both April and May share this peak, indicating that outdoor enthusiasts should exercise caution and seek shade often. The intensity of UV rays remains high through early summer, emphasizing the importance of sun protection as the warmer weather approaches. To stay informed and plan your sun exposure, check out the detailed forecast at Bizen UV Index.

Maximum UV Index Levels in Bizen for April

The chart shows the monthly maximum UV Index (UVI) for Bizen 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 Bizen typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec458111111121110754
Data source: Bizen 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 Bizen

As April unfolds in Bizen, Japan, the warmth of spring is captured not just in the blossoming flowers but also in the increasing sunlight, boasting 280 hours of sunshine. This marks a delightful peak in the seasonal transition, following March's 259 hours. The progression is clear: as winter fades, the days grow steadily longer, with April witnessing a significant jump in sunshine that sets the stage for May’s 295 hours. This trend of increasing daylight continues through the summer months, offering a vibrant backdrop for outdoor activities and cultural festivities. Each hour of sunshine not only brings warmth but also invites the community to bask in the beauty of their surroundings, underscoring Bizen’s charm as a springtime destination.

Monthly Sunshine Duration in Bizen: April Highlighted

The April sunshine duration represents the total number of hours Bizen 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.
JanFebMarAprMayJunJulAugSepOctNovDec177h225h259h280h295h279h272h306h248h239h234h213h
Data source: Bizen April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Bizen During April

In April, Bizen experiences a 48% chance of sunny weather, marking a slight dip from the preceding months of January and February, which boast chances of 50% and 54%, respectively. However, it's notable that this percentage is still higher than the 42% chance seen in March. As spring unfolds, the likelihood of sunshine begins to wane, with May dropping to 31%, hinting at the transitional nature of this time of year. Despite the shifting patterns, April retains a fair opportunity for outdoor activities, making it a delightful moment for visitors and residents alike to enjoy the blossoming landscapes.

Percentage of Sunny Days in April in Bizen

The chart illustrates the percentage of sunny days in Bizen 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 Bizen experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec50%54%42%48%31%26%29%31%33%57%56%60%
Data source: Bizen April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Bizen in April

As April unfolds in Bizen, Japan, residents relish an invigorating increase in daylight, with the sun gracing the sky for 13 hours each day. This transition marks a notable rise from March’s 11 hours, heralding the arrival of longer, brighter days that encourage outdoor activities and blooming cherry blossoms. Following closely on the heels of April, May also enjoys 13 hours of sunlight, hinting at a consistent pattern of extended daylight as spring unfolds. This upward trend continues into the summer months, peaking at 14 hours in June and July, providing ample opportunities for exploration and enjoyment of Bizen’s picturesque landscapes. As the year progresses, daylight gradually wanes, reminding us of the cyclical beauty of each season.

Average Daylight Hours in Bizen for April

The chart illustrates the variation in daylight duration in Bizen throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 5m10h 54m11h 58m13h 3m13h 59m14h 26m14h 12m13h 24m12h 21m11h 16m10h 19m9h 50m
Data source: Bizen daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Bizen

In April, Bizen, Japan experiences a gentle shift in its wind patterns. Maintaining an average speed of 4.0 m/s (9 mph), the briskness of the spring air brings a refreshing vitality to the landscape. This consistency in wind speed mirrors the trends observed from March through May, where the air remains moderately breezy, providing a pleasant contrast to the colder months that precede it. As temperatures rise and nature awakens, the winds in Bizen begin to soften, hinting at the calmer breezes of summer ahead. Overall, April's winds encapsulate the essence of spring, balancing between the lingering chill of winter and the anticipated warmth of summer.

Average April Wind Speed in Bizen

The chart displays monthly wind speed patterns in Bizen, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.94.84.04.0 m/s4.03.32.93.93.63.74.35.1
Data source: Bizen April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Bizen Compares to Other Months

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

The weather in April is noticeably milder than in January, with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 21°C (71°F), compared to January's lower range of -2°C (29°F) to 14°C (57°F). April experiences significantly more precipitation, totaling 130 mm (5.1 in) over 9 days, while January sees just 39 mm (1.5 in) over only 5 days. Additionally, April's humidity level of 74% is slightly lower than January's higher average of 82%, which can contribute to the overall comfort of outdoor activities in the spring. For more detailed insights, check out Bizen weather in January.

April displays a significant warming trend compared to February, with average temperatures rising from a chilly 6°C (43°F) in February to a more pleasant 13°C (56°F) in April. Nighttime temperatures also reflect this change, with February dipping as low as -3°C (28°F), while April's minimum temperature is a milder 4°C (40°F). In terms of precipitation, April is noticeably wetter, receiving 130 mm (5.1 in) over 9 days, compared to just 55 mm (2.2 in) over 6 days in February. Humidity levels remain relatively high in both months, with February slightly exceeding April at 79% versus 74%. For more specific details on February weather, you can refer to Bizen weather in February.

In comparing the weather between March and April, April tends to be milder and wetter. The average temperature in April reaches 13°C (56°F), compared to March's average of 9°C (49°F), with April experiencing maximum temperatures peaking at 21°C (71°F) versus March's 18°C (64°F). Additionally, April sees slightly higher precipitation levels at 130 mm (5.1 in) over 9 days, while March records 108 mm (4.2 in) across 10 days. However, humidity levels remain quite similar, with April at 74% and March at 73%. For more details on March weather, you can visit Bizen weather in March.

April and May exhibit noticeable differences in weather patterns. April brings cooler temperatures, with a minimum of 4°C (40°F) and an average of 13°C (56°F), while May warms up significantly, showcasing a minimum of 10°C (50°F) and an average of 18°C (65°F). Rainfall is quite similar in both months, with April receiving 130 mm (5.1 in) and May slightly higher at 131 mm (5.2 in); each month experiences precipitation on about 9 days. However, May also tends to be more humid, with a humidity level of 84% compared to April's 74%. For more details, check out Bizen weather in May.

April and June weather exhibits notable differences, primarily in temperature and humidity. April is characterized by a milder climate with average temperatures ranging from a chilly 4°C (40°F) at night to a comfortable 21°C (71°F) during the day. In contrast, June experiences warmer temperatures, with minima around 15°C (59°F) and daytime highs reaching up to 27°C (80°F). Additionally, June is accompanied by higher humidity levels at 86%, compared to April's 74%. Precipitation in June also increases, totaling 164 mm (6.5 in) over 12 days, while April sees slightly less at 130 mm (5.1 in) over 9 days. For more detailed weather insights, check Bizen weather in June.

April and July offer distinctly different weather experiences. In April, temperatures range from a cool minimum of 4°C (40°F) to a pleasant maximum of 21°C (71°F), with an average of 13°C (56°F). This month sees around 130 mm (5.1 in) of precipitation spread over approximately 9 days, creating a relatively humid environment with an average humidity of 74%. In contrast, July is significantly warmer, with minimum temperatures around 20°C (69°F) and maximums reaching up to 32°C (91°F), averaging 26°C (78°F). However, it is also much wetter, accumulating about 303 mm (11.9 in) of rainfall over 16 days, coupled with a high humidity level of 92%. For more details, you can explore Bizen weather in July.

April and August exhibit contrasting weather patterns. In April, temperatures are mild, ranging from a minimum of 4°C (40°F) to a maximum of 21°C (71°F), with an average of 13°C (56°F). The month sees about 130 mm (5.1 in) of precipitation over 9 days, contributing to a humidity level of 74%. In stark contrast, August brings much warmer conditions, with temperatures from a minimum of 21°C (69°F) to a maximum of 32°C (91°F) and an average of 28°C (82°F). Rainfall increases to 173 mm (6.8 in) over 12 days, and humidity reaches a steamy 92%. For more details on August weather, visit Bizen weather in August.

April and September present contrasting weather conditions. In April, temperatures range from a chilly minimum of 4°C (40°F) to a pleasant average of 13°C (56°F), with a maximum reaching 21°C (71°F). The month is characterized by moderate rainfall, totaling 130 mm (5.1 in) over about 9 days, and a humidity level of 74%. In comparison, September boasts much warmer temperatures, with a minimum of 17°C (64°F) and an average of 24°C (76°F), peaking at 31°C (89°F). However, it also sees increased rainfall, with 222 mm (8.7 in) over 13 days and higher humidity at 87%. For more detailed information, you can visit Bizen weather in September.

April and October offer distinct weather patterns, reflecting the transition from spring to autumn. In April, temperatures range from a chilly minimum of 4°C (40°F) to a mild average of 13°C (56°F), reaching up to 21°C (71°F) on warmer days. The month sees about 130 mm (5.1 in) of precipitation over 9 days, with humidity sitting at 74%. In contrast, October is notably warmer, with temperatures ranging from a minimum of 12°C (54°F) to an average of 19°C (67°F), peaking at 27°C (82°F). This month experiences higher precipitation, totaling 211 mm (8.3 in) spread across 11 days, along with increased humidity at 85%. For more details on October weather, visit Bizen weather in October.

April and November boast similar average temperatures, with April featuring a minimum of 4°C (40°F) and a maximum of 21°C (71°F), while November presents slightly warmer temperatures with a minimum of 6°C (43°F) and a maximum of 22°C (71°F). However, April tends to be wetter, receiving 130 mm (5.1 in) of precipitation over nine days compared to November's milder 38 mm (1.5 in) across five days. Additionally, humidity levels are higher in November, reaching 84%, compared to April's 74%. For more detailed insights on November weather, you can check Bizen weather in November.

April typically offers milder weather with average temperatures ranging from a minimum of 4°C (40°F) to a maximum of 21°C (71°F), making it a more pleasant spring month. In contrast, December experiences cooler temperatures, with a minimum of 1°C (33°F) and a maximum of 19°C (66°F), resulting in a chillier atmosphere overall. Alongside lower precipitation levels in December at 52 mm (2.0 in) over just 6 days, April sees significantly higher rainfall of 130 mm (5.1 in) across 9 days, leading to a more humid feel at 74% compared to December’s 82%. For those interested in more details, you can check the Bizen weather in December.

Compare Bizen's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Bizen

As April unfolds in Bizen, the weather offers a refreshing transition from the chill of winter to the warmth of spring. With an average temperature that rises, this month sees more agreeable daylight, although occasional rains scatter across about a third of the days, contributing to the region's lush landscapes. The humidity tends to linger at moderate levels, creating a pleasant, vibrant atmosphere ideal for outdoor activities. Experience the charm of April's weather in Bizen, a delightful precursor to the warmer months. To learn more about what to expect throughout the year, check our detailed resource on Bizen Climate.