April Weather in Kumamoto

Last updated: March 2, 2024

The weather in Kumamoto, Japan, during April is characterized by an average temperature of 15°C (59°F). Highs can soar to 24°C (75°F), while lows may dip to 5°C (41°F). Typically, the humidity level in Kumamoto throughout April hovers around 78%.

5°C (41°F)

Minimum temperature

15°C (59°F)

Average temperature

24°C (75°F)

Maximum temperature

78%

Humidity

Precipitation and Sunshine hours

In April, Kumamoto averages 135 mm (5.3 inches) of rainfall, typically over the course of 9 rainy days. The month enjoys an average of 12 hours 59 minutes of daylight, with the sun shining for approximately 9 hours 20 minutes each day. Additionally, there is a 42% probability of sunny days during this period.

135 mm (5.3 inches)

Precipitation

9 rainy days

Rainy days

9 hours 20 minutes

Sunshine hours

42%

Chance of sun

UV Index

In April, the UV Index in Kumamoto reaches a maximum of 11, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 10 minutes.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
  07:00 08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00
UVI 1 3 5 8 10 11 10 8 6 3 1 1 0
Exposure Low Moderate VeryHigh Extreme VeryHigh High Moderate Low
Time to burn 45 min 30 min 15 min 10 min 15 min 25 min 30 min 45 min

Compare Kumamoto's Climate with Cities Worldwide