June weather forecastKumamoto, Japan
June weather for Kumamoto, Japan: The month with the most rainfall in Kumamoto is June, when the rain falls for 20.8 days and typically aggregates up to 216mm (8.5") of precipitation. The month with the longest days in Kumamoto, Japan, is June, with an average of 14h and 18min of daylight.
June
Weather in June
June in Kumamoto City ushers in summer, with temperatures hovering between a high of 25.2°C (77.4°F) and a low of 18.5°C (65.3°F). Coupled with these soaring temperatures, June sees a significant jump in rainfall. The city witnesses a climatic shift towards a 'hot and humid' character, aided by lengthy days under the sun. While frequent showers keep the mercury reading from rising too high, June remains the curtain-raiser to Kumamoto's hot season. Moving into July, prepare to be greeted with even higher levels of temperature and humidity.Temperature
Kumamoto sees the arrival of June with an average high-temperature of a still warm 25.2°C (77.4°F), indicating a subtle variation from May. The nighttime temperature in Kumamoto, Japan, dips to a comfortable 18.5°C (65.3°F) on average during June.Humidity
In June, the average relative humidity in Kumamoto is 82%.Rainfall
June is the month with the most rainfall in Kumamoto, Japan. Rain falls for 20.8 days and accumulates 216mm (8.5") of precipitation.Snowfall
In Kumamoto, Japan, snow does not fall in April through November.Sea temperature
In June, the average sea temperature is 23°C (73.4°F).Note: A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 23°C (73.4°F) water. (FYI: The Olympic swimming competition requires a water temperature between 25°C (77°F) and 28°C (82.4°F).)
Daylight
The month with the longest days in Kumamoto, Japan, is June, with an average of 14h and 18min of daylight.On the first day of June, sunrise is at 05:09 and sunset at 19:20. On the last day of the month, sunrise is at 05:12 and sunset at 19:29 JST.
Sunshine
In June, the average sunshine in Kumamoto is 8h.UV index
The average daily maximum UV index in June in Kumamoto, Japan, is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: In June, the UV index of 5 transforms into the following advice:
Act with care - The need to guard against sun damage is communicated. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Experience reduced UV exposure by about half when donning a wide-brim hat. Attention! UV radiation is markedly stronger with water and sand reflections.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Kumamoto, Japan
- Average high temperature in June: 25.2°C
The warmest month (with the highest average high temperature) is August (30.4°C).
The month with the lowest average high temperature is January (8.3°C).
- Average low temperature in June: 18.5°C
The month with the highest average low temperature is August (23.3°C).
The coldest month (with the lowest average low temperature) is January (1.7°C).
Average pressure in June
Kumamoto, Japan
- Average pressure in June: 1008.2mbar
The month with the highest atmospheric pressure is January (1021.8mbar).
The month with the lowest atmospheric pressure is June (1008.2mbar).
Average wind speed in June
Kumamoto, Japan
- Average wind speed in June: 7km/h
The windiest month (with the highest average wind speed) is March (8.7km/h).
The calmest month (with the lowest average wind speed) is June (7km/h).
Average humidity in June
Kumamoto, Japan
- Average humidity in June: 82%
The month with the highest relative humidity is July (83%).
The months with the lowest relative humidity are March and April (72%).
Average rainfall in June
Kumamoto, Japan
- Average rainfall in June: 216mm
The wettest month (with the highest rainfall) is June (216mm).
The driest month (with the least rainfall) is January (36mm).
Average rainfall days in June
Kumamoto, Japan
- Average rainfall days in June: 20.8 days
The month with the highest number of rainy days is July (23.4 days).
The month with the least rainy days is January (10.5 days).
Average snowfall in June
Kumamoto, Japan
- Average snowfall in June: 0mm
The month with the highest snowfall is January (16mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in June
Kumamoto, Japan
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (3.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average sea temperature in June
Kumamoto, Japan
- Average sea temperature in June: 23°C
The best month for swimming (with the highest average sea temperature) is August (28°C).
The coldest months (with the lowest average sea temperature) are February and March (18°C).
Average daylight in June /
Average sunshine in June
Kumamoto, Japan
- Average daylight in June: 14h and 18min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in June: 8h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in June
Kumamoto, Japan
- Average sunshine days in June: 8.4 days
The month with the most sunshine days is October (18.1 days).
The month with the least sunshine days is July (4.9 days).
Average UV index in June
Kumamoto, Japan
- Average UV index in June: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in June
Kumamoto, Japan
- Average cloud cover in June: 50
The month with the most cloud cover is June (Cloud cover 50).
The month with the least cloud cover is October (Cloud cover 31).
Average visibility in June
Kumamoto, Japan
- Average visibility in June: 8km
The month with the highest visibility is November (10km).
The months with the lowest visibility are June and July (8km).
