June weather forecastYoshihara, Japan

June

Weather in June

The first month of the summer, June, is also a moderately hot month in Yoshihara, Japan, with an average temperature fluctuating between 25.8°C (78.4°F) and 27.2°C (81°F).

Temperature

Yoshihara's weather in June displays an average high-temperature of a still warm 27.2°C (81°F), showing minor disparity from May's 24.8°C (76.6°F). Night temperatures in June in Yoshihara exhibit a subtle decrease, settling at an average of 25.8°C (78.4°F).

Heat index

During June, the heat index is calculated to be a hot 31°C (87.8°F). Prolonged exposure combined with continuous activity could lead to exhaustion, and possibly heat cramps.
One should consider that heat index numbers are for shaded settings and light wind. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'feels like' or 'apparent temperature', represents the fusion of temperature and moisture in the air to suggest how warm it feels. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.

Humidity

The most humid month is June, with an average relative humidity of 86%.

Rainfall

June is the month with the most rainfall in Yoshihara. 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 the month, sunrise is at 05:36 and sunset at 19:17. On the last day of June, in Yoshihara, sunrise is at 05:39 and sunset at 19:25 JST.

Sunshine

The average sunshine in June in Yoshihara, Japan, is 8.9h.

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 rays for the ordinary person.
Note: A daily maximum UV index of 7 in June translates into the following instructions:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.

Frequently asked questions

The high-temperature, in June, in Yoshihara, records 27.2°C (81°F), while the low-temperature is 25.8°C (78.4°F). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in June is calculated to be 31°C (87.8°F).

The most humid month is June, with an average relative humidity of 86%.

In Yoshihara, Japan, the average relative humidity in June is 86%.

The month with the most rainfall in Yoshihara, Japan, is June, when the rain falls for 19.4 days and typically aggregates up to 198mm (7.8") of precipitation.

In Yoshihara, during June, the rain falls for 19.4 days and regularly aggregates up to 198mm (7.8") of precipitation.

With an average of 13h and 48min of daylight, June has the longest days of the year in Yoshihara, Japan.

In Yoshihara, Japan, the average day length in June is 13h and 46min.

On the first day of June in Yoshihara, Japan, 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.

In June, the average sunshine duration in Yoshihara is 8.9h.

The months with the highest UV index are June through September, with an average maximum UV index of 7.

In Yoshihara, the average daily maximum UV index in June is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in June
Yoshihara, 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
Yoshihara, 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
Yoshihara, 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
Yoshihara, 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
Yoshihara, 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
Yoshihara, 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 daylight in June /
Average sunshine in June
Yoshihara, 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
Yoshihara, 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
Yoshihara, 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
Yoshihara, 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
Yoshihara, 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).