June weather forecastSunabe, Japan
June
Weather in June
The first month of the summer, June, is also a moderately hot month in Sunabe, Japan, with an average temperature ranging between max 27.2°C (81°F) and min 25.8°C (78.4°F).Temperature
The introduction of June notes a subtle temperature variation to a still moderately hot 27.2°C (81°F) from May's 24.8°C (76.6°F). In Sunabe, the nightly June temperatures experience a slight descent from daily highs to an average low of 25.8°C (78.4°F).Heat index
In June, the heat index is calculated to be a tropical 31°C (87.8°F). With extended exposure and activity, one might feel exhausted and experience heat cramps.Heat index's context suggests values are appropriate for shady areas and slight breezes. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', evaluates the perceived heat by adding the effect of moisture in the air. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.
Humidity
The most humid month is June, with an average relative humidity of 86%.Rainfall
June is the month with the most rainfall in Sunabe. Rain falls for 19.4 days and accumulates 198mm (7.8") of precipitation.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 Sunabe, 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
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 reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In June, the UV index of 7 transforms into the following advice:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Sunabe, 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
Sunabe, 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
Sunabe, 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
Sunabe, 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
Sunabe, 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
Sunabe, Japan
- Average rainfall days in June: 19.4 days
The months with the highest number of rainy days are September and October (19.7 days).
The month with the least rainy days is July (16.1 days).
Average daylight in June /
Average sunshine in June
Sunabe, 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
Sunabe, 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 (6.8 days).
Average UV index in June
Sunabe, 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
Sunabe, 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
Sunabe, 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).





