April Weather in Kirishima, Japan

Last updated: August 21, 2025

In Kirishima, Japan, April ushers in a refreshing transition as temperatures range from a minimum of 3°C (37°F) to a pleasant maximum of 28°C (82°F), averaging around 16°C (60°F). This delightful month experiences approximately 149 mm (5.9 in) of precipitation, spread over 10 days, contributing to the lush landscape that characterizes the region. With humidity levels hovering around 79%, visitors can expect a vibrant atmosphere, perfect for exploring Kirishima's natural beauty.

April Temperature in Kirishima

In April, Kirishima experiences a delightful transition into spring, characterized by a noticeable warming trend. With minimum temperatures starting at 3°C (37°F), the region gradually warms up, reaching an average of 16°C (60°F) and peaking at a comfortable 28°C (82°F). This month marks a significant departure from the chilly conditions of winter, as daytimes become pleasantly mild, inviting residents and visitors alike to enjoy outdoor activities. As nature awakens, the rising temperatures signal the arrival of blooming flowers and lush greenery, setting the stage for a vibrant and lively landscape that underscores the beauty of spring in Kirishima.

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

The chart illustrates April temperature patterns in Kirishima, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kirishima, 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).
JanFebMarAprMayJunJulAugSepOctNovDec444653606773798177685747
Data source: Temperature data for Kirishima 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 Kirishima

In April, Kirishima experiences a notable decrease in precipitation compared to the previous month, with 149 mm (5.9 in) accumulated over 10 days. This marks a slight decline from March's 169 mm (6.6 in), reflecting a transition as spring unfolds. While the rainfall remains significant, it foreshadows the upcoming surge in May, known for its higher averages of 252 mm (9.9 in), with only a couple more days of rain. This pattern highlights the region's distinct seasonal shifts, where April serves as a period of moderate moisture before the summer months bring increased rainfall.

April Precipitation Trends in Kirishima

The chart displays monthly precipitation patterns in Kirishima, 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 Kirishima, April typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec541011691492523924062042481439179
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Kirishima

In April, humidity in Kirishima, Japan, begins to rise noticeably, reaching 79%, a significant jump from the 72% recorded in March. This increase signals the transition into the warmer months, as May follows with even higher humidity levels at 83%. Interestingly, the trend shows a steady ascent in humidity as the year progresses, particularly peaking during the summer months, with July hitting a high of 90%. This gradual rise not only sets the stage for the lush greenery typical of Kirishima's wet season but also marks a shift from the drier winter months, highlighting the region's dynamic weather patterns.

April Average Humidity in Kirishima

This chart illustrates the average monthly humidity levels in Kirishima, 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 Kirishima is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec72%68%72%79%83%86%90%85%80%78%76%75%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Kirishima

In April, the UV Index in Kirishima, Japan remains at a significant level of 10, categorized as very high, similar to March. This means that the risk of harm from unprotected sun exposure is substantial, with a burn time of just 15 minutes. As spring unfolds, the UV Index trends upward, foreshadowing an impending peak in May, where it escalates to an extreme level of 12. The consistent rise in UV exposure from January through April indicates that sun protection becomes increasingly crucial during this transitional period. For those looking to plan activities outdoors, awareness of the UV Index is vital. Stay informed and protect your skin by visiting Kirishima UV Index for more details on sun safety.

Maximum UV Index Levels in Kirishima for April

The chart shows the monthly maximum UV Index (UVI) for Kirishima 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 Kirishima typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec5610101212121311865
Data source: Kirishima 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 Kirishima

April brings a delightful surge of sunshine to Kirishima, with 289 hours of radiant daylight illuminating the landscape. This vibrant month marks a continuation of the upward trend in sunlight hours that started in January, gradually climbing from 196 hours to a peak in April. As spring unfolds, the sun beckons, enhancing the beauty of the region and inviting both locals and visitors to enjoy the outdoors. Following April, May holds onto the warmth with 279 hours, while June begins to see a gentle decline, hinting at the transition to summer. This seasonal ballet of light not only enriches the natural scenery but also uplifts the spirits of those who experience the breathtaking vistas under the April sun.

Monthly Sunshine Duration in Kirishima: April Highlighted

The April sunshine duration represents the total number of hours Kirishima 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.
JanFebMarAprMayJunJulAugSepOctNovDec196h234h268h289h279h249h279h311h270h263h245h232h
Data source: Kirishima April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Kirishima During April

As spring unfolds in Kirishima, Japan, the likelihood of sunny weather in April diminishes slightly to 35%, continuing a downward trend that begins with the winter months. While January and February offer a respectable 45% and 44% chance of sunshine, the transition toward spring sees March drop to 36%. This decline suggests that while April may not provide a wealth of sunny days, the brighter skies of October and December, boasting 55% and 56% chances respectively, hint at a return to more favorable weather conditions later in the year. Therefore, if you're planning a visit to experience Kirishima's natural beauty, be ready for overcast moments amidst the fresh blooms of spring.

Percentage of Sunny Days in April in Kirishima

The chart illustrates the percentage of sunny days in Kirishima 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 Kirishima experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec45%44%36%35%23%16%16%25%34%55%51%56%
Data source: Kirishima April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Kirishima in April

As spring unfolds in Kirishima, Japan, April heralds a delightful increase in daylight, with the sun gracing the skies for 12 hours each day. This marks a noticeable jump from the 11 hours seen in both February and March, signaling the approach of warmer months. May follows with its own ascent, offering 13 hours of daylight, which sets the stage for the lush greenery of summer. As the days lengthen through June, reaching a peak of 14 hours, nature comes alive, providing ample daylight for outdoor adventures. However, as summer wanes, the daylight gradually recedes, with September seeing a return to 12 hours, and October and November slipping back to 11 and 10 hours respectively. The cyclical dance of daylight in Kirishima beautifully reflects the changing seasons, inviting residents and visitors to embrace the vibrant transition from spring to summer.

Average Daylight Hours in Kirishima for April

The chart illustrates the variation in daylight duration in Kirishima throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 19m11h 2m11h 58m12h 57m13h 46m14h 10m13h 58m13h 15m12h 20m11h 22m10h 31m10h 6m
Data source: Kirishima daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Kirishima

April in Kirishima, Japan, brings a gentle breeze with an average wind speed of 2.5 m/s (6 mph), marking a slight uptick from March and aligning closely with the seasonal transition into warmer months. This month witnesses more dynamic weather patterns as the mild winds begin to hint at the approaching summer, creating a refreshing atmosphere ideal for outdoor activities. Notably, the wind speeds are relatively stable across the spring months, with April’s winds remaining moderate compared to the lighter breezes of June and September. As the year progresses, April’s gentle airflow serves as a reminder of nature's rhythm, bridging the calming chill of winter into the vibrant renewal of spring.

Average April Wind Speed in Kirishima

The chart displays monthly wind speed patterns in Kirishima, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.33.02.22.5 m/s2.21.82.32.21.91.92.32.6
Data source: Kirishima April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Kirishima Compares to Other Months

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

April and January present a stark contrast in weather conditions. April tends to be much warmer, with average temperatures ranging from a minimum of 3°C (37°F) to a maximum of 28°C (82°F), compared to January's cooler averages of -5°C (23°F) to 20°C (68°F). Additionally, April experiences significantly more rainfall, with 149 mm (5.9 in) of precipitation over about 10 days, while January receives only 54 mm (2.1 in) over 6 days. Humidity also increases in April, averaging 79%, compared to the more moderate 72% in January. For a detailed view of January weather patterns, you can refer to Kirishima weather in January.

When comparing the weather in April and February, April generally offers milder temperatures with a minimum of 3°C (37°F) and an average of 16°C (60°F), reaching a maximum of 28°C (82°F). In contrast, February experiences colder temperatures, with a minimum of -4°C (26°F) and an average of 8°C (46°F), peaking at 21°C (70°F). Additionally, April sees more precipitation at 149 mm (5.9 in) over 10 days, compared to February’s 101 mm (4.0 in) during the same number of rainy days. The humidity in April is higher at 79%, while February maintains a lower humidity level of 68%. For more details about February weather, visit Kirishima weather in February.

April generally brings milder temperatures compared to March, with average highs reaching 28°C (82°F) compared to March's 24°C (75°F). The minimum temperatures in April are also warmer, averaging 3°C (37°F) versus March's chilly 0°C (32°F). While both months experience significant rainfall, April sees slightly less precipitation at 149 mm (5.9 in) over 10 days, compared to March's 169 mm (6.6 in) over 13 days. Additionally, April maintains a higher humidity of 79%, compared to March’s 72%. For more detailed insights on weather patterns during this time, you can view Kirishima weather in March.

April and May showcase a notable transition in weather patterns. In April, temperatures range from a minimum of 3°C (37°F) to a maximum of 28°C (82°F), with an average temperature of 16°C (60°F). The month sees about 149 mm (5.9 in) of precipitation over approximately 10 days, and humidity levels hover around 79%.

In contrast, May brings warmer conditions with minimum temperatures of 6°C (42°F) and a maximum reaching 31°C (88°F), resulting in an average temperature of 20°C (68°F). This month is notably wetter, with precipitation increasing to 252 mm (9.9 in) over 12 days and humidity rising slightly to 83%. For a detailed look at May weather specifics, you can visit Kirishima weather in May.

In comparing the weather of April and June, it's evident that June offers warmer temperatures, with averages soaring to 23°C (73°F) compared to April's average of 16°C (60°F). While April experiences a maximum of 28°C (82°F), June can reach up to 31°C (89°F), displaying a notable increase in warmth. However, this rise in temperature comes with significantly higher precipitation in June, totaling 392 mm (15.4 in) over 19 days, in contrast to April's 149 mm (5.9 in) across 10 days. Additionally, June's humidity level rises slightly to 86%, compared to April's 79%. For a detailed breakdown of June's weather specifically in the Kirishima region, check out Kirishima weather in June.

April and July present starkly different weather conditions. In April, temperatures range from a chilly minimum of 3°C (37°F) to a comfortable maximum of 28°C (82°F), with an average of 16°C (60°F). However, it also brings considerable precipitation, with 149 mm (5.9 in) falling over about 10 days, and humidity levels averaging 79%. In contrast, July offers much warmer temperatures, with a minimum of 17°C (63°F) and a maximum reaching up to 34°C (94°F), settling at an average of 26°C (80°F). The summer month is also significantly wetter, experiencing 406 mm (16.0 in) of rainfall over approximately 23 days and an increased humidity of 90%. For more detailed insights into July weather, you can refer to Kirishima weather in July.

April and August present starkly different weather patterns. In April, temperatures range from a chilly 3°C (37°F) to a pleasant 28°C (82°F), with an average of 16°C (60°F). The month experiences significant rainfall, totaling 149 mm (5.9 in) over approximately 10 days, accompanied by a relatively high humidity level of 79%. In contrast, August brings much warmer temperatures, with a minimum of 20°C (68°F) and a maximum reaching up to 36°C (98°F), averaging 27°C (82°F). Precipitation increases to 204 mm (8.0 in) across 18 days, and humidity rises slightly to 85%. For more details on August's weather, you can check Kirishima weather in August.

April and September present distinct weather characteristics. In April, temperatures range from a chilly minimum of 3°C (37°F) to a pleasant average of 16°C (60°F), with highs reaching 28°C (82°F). The month sees relatively moderate precipitation of 149 mm (5.9 in) over about 10 days, accompanied by humidity levels around 79%. In contrast, September offers warmer conditions, with a minimum temperature of 14°C (57°F), an average of 25°C (77°F), and maximums hitting 33°C (91°F). However, it also brings a substantial increase in precipitation to 248 mm (9.8 in) over approximately 18 days, while humidity slightly rises to 80%. For more details about September weather in the region, you can check Kirishima weather in September.

April and October each bring their own distinct weather characteristics. In April, temperatures typically range from a chilly 3°C (37°F) at night to a warm 28°C (82°F) during the day, with an average temperature of 16°C (60°F). The month experiences a fair amount of rainfall, averaging 149 mm (5.9 in) over approximately 10 days, and the humidity is relatively high at 79%.

In contrast, October sees slightly warmer minimum temperatures of 7°C (45°F) and maximum temperatures peaking at 31°C (87°F), with an average of 20°C (68°F). With just a bit less precipitation at 143 mm (5.6 in) also spread over 10 days, October's humidity is marginally lower at 78%. For those looking to explore the weather specifics in October, you can check out Kirishima weather in October.

April and November present distinct weather patterns. In April, temperatures range from a chilly minimum of 3°C (37°F) to a pleasant maximum of 28°C (82°F), with an average of 16°C (60°F). The month is characterized by higher rainfall, totaling 149 mm (5.9 in) across about 10 days, alongside a humidity level of 79%. In contrast, November experiences cooler temperatures, from a low of -1°C (31°F) to a warmer maximum of 25°C (77°F), averaging 14°C (57°F). Precipitation is less frequent, totaling 91 mm (3.6 in) over 8 days, and humidity slightly lowers to 76%. For a closer look at November's weather specifics, you can check Kirishima weather in November.

April and December present distinct weather patterns that highlight the transition from spring to winter. In April, temperatures range from a minimum of 3°C (37°F) to a warm maximum of 28°C (82°F), averaging around 16°C (60°F). The month is characterized by higher precipitation, totaling 149 mm (5.9 in) over approximately 10 days, and humidity levels remain elevated at 79%. In contrast, December experiences cooler conditions, with temperatures dipping to a minimum of -2°C (28°F) and peaking at 24°C (75°F), averaging just 8°C (47°F). Precipitation is less frequent in December, totaling 79 mm (3.1 in) across about 7 days, and humidity is slightly lower at 74%. For a closer look at Kirishima weather in December, visit Kirishima weather in December.

Compare Kirishima's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Kirishima

As April arrives in Kirishima, the weather begins to shift significantly, offering a fresh breath of spring. With warmer temperatures and increased humidity, the landscape transforms into a vibrant tapestry of blooming flora. Unlike the cooler months preceding it, April witnesses a delightful rise in warmth, making outdoor activities more enjoyable, while the occasional rainfall ensures the scenery remains lush and green. However, the 79% humidity can make the air feel a bit heavier, contrasting sharply with the crispness of winter. For a deeper insight into Kirishima's climate, visit Kirishima Climate.