June weather forecastKowan, Japan
June
Weather in June
June, the first month of the summer in Kowan, is still a warm month, with an average temperature ranging between max 27.3°C (81.1°F) and min 26°C (78.8°F).Temperature
June's climate shows a minor adjustment in average high-temperatures to a still warm 27.3°C (81.1°F) from May's 24.8°C (76.6°F). During June's nights, Kowan notes a minor temperature decline, reaching an average of 26°C (78.8°F).Heat index
June's heat index is appraised at a tropical 31°C (87.8°F). Persistently participating in activities during exposure may lead to fatigue and induce heat cramps.From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a measure of how hot it feels when the actual air humidity is factored in. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are extremely significant for children. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
Humidity
With an average relative humidity of 87%, June is the most humid month.Rainfall
The month with the most rainfall is June, when the rain falls for 21.5 days and typically aggregates up to 207mm (8.15") of precipitation.Daylight
June has the longest days of the year in Kowan, 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, in Kowan, sunrise is at 05:40 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 hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily high UV index of 7 during June translates into the following recommendations:
Shield from overexposure. Defense against sun-related harm is required. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. 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
Kowan, Japan
- Average high temperature in June: 27.3°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 (19°C).
- Average low temperature in June: 26°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 (16.8°C).
Average pressure in June
Kowan, 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
Kowan, Japan
- Average wind speed in June: 21.3km/h
The windiest month (with the highest average wind speed) is December (27.9km/h).
The calmest month (with the lowest average wind speed) is May (19.8km/h).
Average humidity in June
Kowan, Japan
- Average humidity in June: 87%
The month with the highest relative humidity is June (87%).
The month with the lowest relative humidity is January (72%).
Average rainfall in June
Kowan, Japan
- Average rainfall in June: 207mm
The wettest month (with the highest rainfall) is June (207mm).
The driest month (with the least rainfall) is February (58mm).
Average rainfall days in June
Kowan, Japan
- Average rainfall days in June: 21.5 days
The months with the highest number of rainy days are January and June (21.5 days).
The month with the least rainy days is April (16.4 days).
Average daylight in June /
Average sunshine in June
Kowan, 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
Kowan, Japan
- Average sunshine days in June: 7 days
The month with the most sunshine days is April (11.3 days).
The month with the least sunshine days is January (6 days).
Average UV index in June
Kowan, 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
Kowan, 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
Kowan, 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).





