June weather forecast
Iheya, Japan

June

Weather in June

The first month of the summer, June, is also a moderately hot month in Iheya, Japan, with an average temperature ranging between min 25.6°C (78.1°F) and max 27.2°C (81°F).

Temperature

Iheya greets June with an average high-temperature of a still warm 27.2°C (81°F), marking a slight deviation from the preceding month. Maintaining close parity with daytime warmth, the average nocturnal temperature during June stays at a still warm 25.6°C (78.1°F).

Heat index

The heat index value during June is appraised at a tropical 31°C (87.8°F). Persisting in activity during long-term exposure might induce weariness, with subsequent heat cramps.
Factoring in the heat index, values are geared towards shaded areas with light breezes. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.

Humidity

With an average relative humidity of 86%, June is the most humid month in Iheya.

Rainfall

The month with the most rainfall in Iheya, Japan, is June, when the rain falls for 23.3 days and typically aggregates up to 241mm (9.49") 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 Iheya, sunrise is at 05:33 and sunset at 19:18. On the last day of the month, sunrise is at 05:37 and sunset at 19:26 JST.

Sunshine

The average sunshine in June in Iheya is 8.7h.

UV index

The months with the highest UV index in Iheya are June through September, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: An average UV index of 7 in June transforms into this advice:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.

Frequently asked questions

What is the usual temperature for Iheya in June?
The high-temperature, in June, in Iheya, is 27.2°C (81°F), while the low-temperature averages to 25.6°C (78.1°F). The average heat index (a.k.a. 'feels like', 'real feel'), which combines relative humidity and air temperature, in June is appraised at 31°C (87.8°F).
What is the most humid month in Iheya?
The most humid month in Iheya, Japan, is June, with an average relative humidity of 86%.
What is the average humidity in June in Iheya?
In June, the average relative humidity in Iheya, Japan, is 86%.
What is the wettest month in Iheya?
The month with the most rainfall is June, when the rain falls for 23.3 days and typically aggregates up to 241mm (9.49") of precipitation.
How much does it rain in Iheya in June?
In Iheya, Japan, during June, the rain falls for 23.3 days and regularly aggregates up to 241mm (9.49") of precipitation.
When are the longest days in Iheya?
The month with the longest days in Iheya is June, with an average of 13h and 48min of daylight.
How many hours of daylight does Iheya have in June?
In June, the average day length in Iheya is 13h and 49min.
What time are sunrise and sunset in June in Iheya?
On the first day of June in Iheya, sunrise is at 05:33 and sunset at 19:18. On the last day of the month, sunrise is at 05:37 and sunset at 19:26 JST.
How many hours of sunshine does Iheya have in June?
In June, the average sunshine duration in Iheya is 8.7h.
What is the month with the highest UV index in Iheya?
The months with the highest UV index in Iheya, Japan, are June through September, with an average maximum UV index of 7.
What is the UV index intensity in June in Iheya?
In June, the average daily maximum UV index in Iheya, Japan, is 7. A UV Index reading of 6 to 7 represents a high health threat 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in June
Iheya, 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 (18.6°C).

  • Average low temperature in June: 25.6°C

The month with the highest average low temperature is August (28°C).
The coldest month (with the lowest average low temperature) is January (16.7°C).

Average pressure in June
Iheya, Japan
  • Average pressure in June: 1008.1mbar

The month with the highest atmospheric pressure is January (1021.1mbar).
The month with the lowest atmospheric pressure is August (1006.6mbar).

Average wind speed in June
Iheya, Japan
  • Average wind speed in June: 22.1km/h

The windiest month (with the highest average wind speed) is December (28.3km/h).
The calmest month (with the lowest average wind speed) is May (20.2km/h).

Average humidity in June
Iheya, Japan
  • Average humidity in June: 86%

The month with the highest relative humidity is June (86%).
The months with the lowest relative humidity are January and December (72%).

Average rainfall in June
Iheya, Japan
  • Average rainfall in June: 241mm

The wettest month (with the highest rainfall) is June (241mm).
The driest month (with the least rainfall) is January (64mm).

Average rainfall days in June
Iheya, Japan
  • Average rainfall days in June: 23.3 days

The month with the highest number of rainy days is June (23.3 days).
The month with the least rainy days is November (17.6 days).

Average daylight in June /
Average sunshine in June
Iheya, Japan
  • Average daylight in June: 13h and 5min

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 4min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in June
Iheya, Japan
  • Average sunshine days in June: 4.4 days

The months with the most sunshine days are April and May (9.6 days).
The month with the least sunshine days is September (3.8 days).

Average UV index in June
Iheya, Japan
  • Average UV index in June: 7

The months with the highest UV index are June, July, August and September (UV index 7).
The months with the lowest UV index are January and December (UV index 4).

Average cloud cover in June
Iheya, Japan
  • Average cloud cover in June: 48

The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is July (Cloud cover 35).

Average visibility in June
Iheya, Japan
  • Average visibility in June: 10km

The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is May (9km).

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