June weather forecastOnaga, Japan
June
Weather in June
The first month of the summer, June, is also a moderately hot month in Onaga, Japan, with an average temperature fluctuating between 26.1°C (79°F) and 27.2°C (81°F).Temperature
Onaga records an average high-temperature of a still moderately hot 27.2°C (81°F) as June arrives, nearly mirroring the previous month's climate. Onaga's nights throughout June are marked by an average low temperature of 26.1°C (79°F), a minor drop from the day's high.Heat index
June's mean heat index is evaluated at a hot 31°C (87.8°F). Constant activity during exposure could result in a state of weariness and possibly heat cramps.It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
Humidity
The most humid month is June, with an average relative humidity of 86%.Rainfall
The month with the most rainfall in Onaga is June, when the rain falls for 21.5 days and typically aggregates up to 201mm (7.91") of precipitation.Daylight
June has the longest days of the year in Onaga, with an average of 13h and 48min of daylight.On the first day of the month, sunrise is at 05:36 and sunset at 19:17. On the last day of June, sunrise is at 05:39 and sunset at 19:25 JST.
Sunshine
The average sunshine in June is 9h.UV index
June through September, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for average individuals.Note: A maximum UV index of 7 in June translates into the following recommendations:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Onaga, 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
Onaga, 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
Onaga, 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
Onaga, 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
Onaga, 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
Onaga, 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 daylight in June /
Average sunshine in June
Onaga, Japan
- Average daylight in June: 13h and 48min
The month with the longest days is June (Average daylight: 13h and 48min).
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
Onaga, 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
Onaga, 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
Onaga, 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
Onaga, 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).





