June weather forecastItoman, Japan
June
Weather in June
June, the first month of the summer in Itoman, is also a moderately hot month, with temperature in the range of an average high of 27.2°C (81°F) and an average low of 26.1°C (79°F).Temperature
The average high-temperature during June registers at a still warm 27.2°C (81°F), maintaining a close resemblance to the previous month. Itoman in June observes a slight diminution in temperature from daily highs, recording a low-temperature average of 26.1°C (79°F).Heat index
In June, the heat index is estimated at a hot 31°C (87.8°F). Prolonged exposure and physical activity might induce exhaustion, potentially causing heat cramps.It is essential to grasp that the heat index's numbers are for shade and light wind settings. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is the outcome of merging air's temperature and its humidity metrics. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
Humidity
The most humid month in Itoman is June, with an average relative humidity of 86%.Rainfall
The month with the most rainfall in Itoman is June, when the rain falls for 21.5 days and typically aggregates up to 201mm (7.91") of precipitation.Sea temperature
In Itoman, Japan, the average seawater temperature in June is 26.6°C (79.9°F).Note: Water temperatures from 25°C (77°F) to 29°C (84.2°F) make swimming, diving, and similar activities highly pleasurable and enjoyable for long periods without discomfort.
Daylight
With an average of 13h and 42min of daylight, June has the longest days of the year in Itoman.On the first day of the month, sunrise is at 05:37 and sunset at 19:17. On the last day of June, sunrise is at 05:40 and sunset at 19:25 JST.
Sunshine
The average sunshine in June in Itoman is 9h.UV index
The months with the highest UV index in Itoman are June through September, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for average individuals.Note: In June, the maximum UV index of 7 translates into these guidelines:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. Opt for tightly woven and loose clothing to enhance protection from the Sun. Take caution! The UV rays from the Sun gain strength from sand and water reflections.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Itoman, Japan
- Average high temperature in June: 27.2°C
The warmest month (with the highest average high temperature) is August (29.4°C).
The month with the lowest average high temperature is January (18.9°C).
- Average low temperature in June: 26.1°C
The month with the highest average low temperature is August (28.3°C).
The coldest month (with the lowest average low temperature) is January (17°C).
Average pressure in June
Itoman, Japan
- Average pressure in June: 1008.2mbar
The month with the highest atmospheric pressure is January (1020.8mbar).
The month with the lowest atmospheric pressure is August (1006.6mbar).
Average wind speed in June
Itoman, Japan
- Average wind speed in June: 21.7km/h
The windiest month (with the highest average wind speed) is December (28.4km/h).
The calmest month (with the lowest average wind speed) is May (20.1km/h).
Average humidity in June
Itoman, Japan
- Average humidity in June: 86%
The month with the highest relative humidity is June (86%).
The month with the lowest relative humidity is January (72%).
Average rainfall in June
Itoman, Japan
- Average rainfall in June: 201mm
The wettest month (with the highest rainfall) is June (201mm).
The driest month (with the least rainfall) is February (59mm).
Average rainfall days in June
Itoman, Japan
- Average rainfall days in June: 21.5 days
The month with the highest number of rainy days is June (21.5 days).
The month with the least rainy days is July (16.4 days).
Average sea temperature in June
Itoman, Japan
- Average sea temperature in June: 26.6°C
The best month for swimming (with the highest average sea temperature) is August (28.7°C).
The coldest month (with the lowest average sea temperature) is February (20.9°C).
Average daylight in June /
Average sunshine in June
Itoman, Japan
- Average daylight in June: 13h and 42min
The month with the longest days is June (Average daylight: 13h and 42min).
The month with the shortest days is December (Average daylight: 10h and 30min).
- Average sunshine in June: 9h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in June
Itoman, Japan
- Average sunshine days in June: 7 days
The month with the most sunshine days is July (11.9 days).
The month with the least sunshine days is December (5.7 days).
Average UV index in June
Itoman, Japan
- Average UV index in June: 7
The months with the highest UV index are June, July, August and September (UV index 7).
The month with the lowest UV index is December (UV index 4).
Average cloud cover in June
Itoman, Japan
- Average cloud cover in June: 45
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in June
Itoman, Japan
- Average visibility in June: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





