June weather forecastChatan, Japan
June
Weather in June
The first month of the summer, June, is also a moderately hot month in Chatan, Japan, with an average temperature varying between 27.2°C (81°F) and 25.8°C (78.4°F).Temperature
The advent of June observes an average high-temperature of a still moderately hot 27.2°C (81°F), nearly identical to May's 24.8°C (76.6°F). The temperature in Chatan during June nights demonstrates a small drop from the daytime highs, settling to an average of 25.8°C (78.4°F).Heat index
The heat index in June is appraised at a hot 31°C (87.8°F). Continuing activity during long-lasting exposure might induce tiredness and result in heat cramps.Consider that heat index readings are for situations in the shade and light wind. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is an estimation of the warmth sensation when considering humidity levels. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
Humidity
With an average relative humidity of 86%, June is the most humid month.Rainfall
June is the month with the most rainfall in Chatan. Rain falls for 19.4 days and accumulates 198mm (7.8") of precipitation.Sea temperature
In June, the average sea temperature is 26.6°C (79.9°F).Note: Surface water temperatures between 25°C (77°F) and 29°C (84.2°F) offer outstanding conditions for any water activity, providing extreme pleasure for extended periods.
Daylight
With an average of 13h and 48min of daylight, June has the longest days of the year.On the first day of June in Chatan, sunrise is at 05:36 and sunset at 19:17. On the last day of the month, sunrise is at 05:39 and sunset at 19:25 JST.
Sunshine
In Chatan, the average sunshine in June is 8.9h.UV index
The months with the highest UV index are June through September, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In June, the UV index of 7 transforms into the following advice:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Take note! Sand and water reflections strengthen the Sun's UV exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Chatan, Japan
- Average high temperature in June: 27.2°C
The warmest month (with the highest average high temperature) is August (29.5°C).
The month with the lowest average high temperature is January (18.8°C).
- Average low temperature in June: 25.8°C
The month with the highest average low temperature is August (28.2°C).
The coldest month (with the lowest average low temperature) is January (16.8°C).
Average pressure in June
Chatan, Japan
- Average pressure in June: 1008.2mbar
The month with the highest atmospheric pressure is January (1020.9mbar).
The month with the lowest atmospheric pressure is August (1006.6mbar).
Average wind speed in June
Chatan, Japan
- Average wind speed in June: 21.2km/h
The windiest month (with the highest average wind speed) is December (27.6km/h).
The calmest month (with the lowest average wind speed) is May (19.5km/h).
Average humidity in June
Chatan, 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
Chatan, Japan
- Average rainfall in June: 198mm
The wettest month (with the highest rainfall) is June (198mm).
The driest months (with the least rainfall) are January and February (53mm).
Average rainfall days in June
Chatan, Japan
- Average rainfall days in June: 19.4 days
The month with the highest number of rainy days is October (19.7 days).
The month with the least rainy days is July (16.1 days).
Average sea temperature in June
Chatan, 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
Chatan, 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: 8h and 54min
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
Chatan, Japan
- Average sunshine days in June: 9.3 days
The month with the most sunshine days is July (12.6 days).
The month with the least sunshine days is September (7.1 days).
Average UV index in June
Chatan, 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
Chatan, Japan
- Average cloud cover in June: 46
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
Chatan, 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).
