June weather forecast
Yonaguni, Japan

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Weather in June

The first month of the summer, June, is still a warm month in Yonaguni, Japan, with an average temperature ranging between max 29.8°C (85.6°F) and min 25.6°C (78.1°F).

Temperature

June registers an average high-temperature of a still warm 29.8°C (85.6°F), slightly varied from May's 27.7°C (81.9°F). The low temperature average in Yonaguni during June reflects a slight decrease to a still moderately hot 25.6°C (78.1°F) from the day's peak.

Heat index

June's average heat index is evaluated at a fiery hot 38°C (100.4°F). Use additional protective measures, heat cramps and heat exhaustion are possible outcomes. Continuous activity might lead to heatstroke.
Records show heat index calculations are tailored for shaded regions and mild winds. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
The innate cooling system of the human body revolves around perspiration, with the evaporation of sweat being central to this process. With high air temperature and humidity (high heat index) conditions, sweat production is restricted, leading to an amplified perception of heat. Overheating dangers loom when the body's heat release mechanisms are overshadowed by excessive gain.

Humidity

With an average relative humidity of 83%, June is the most humid month in Yonaguni.

Rainfall

During June, Yonaguni regularly aggregates up to 164mm (6.46") of precipitation. During the entire year, Yonaguni aggregates up to 2353mm (92.64") of precipitation.

Sea temperature

In Yonaguni, in June, the average water temperature is 28.3°C (82.9°F).
Note: Temperatures between 25°C (77°F) and 29°C (84.2°F) in water are ideal for swimming, diving, and other activities, providing enjoyment and comfort for extended durations.

Daylight

June has the longest days of the year in Yonaguni, with an average of 13h and 36min of daylight.
On the first day of June in Yonaguni, sunrise is at 05:59 and sunset at 19:32. On the last day of the month, sunrise is at 06:02 and sunset at 19:40 JST.

Sunshine

In June, the average sunshine is 6.1h.
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Frequently asked questions

How hot is June in Yonaguni?

June temperatures vary between a high-temperature of 29.8°C (85.6°F) and a low-temperature of 25.6°C (78.1°F). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in June is evaluated at 38°C (100.4°F).

What is the most humid month in Yonaguni?

June is the most humid month in Yonaguni, Japan, with an average relative humidity of 83%.

What is the average humidity in June in Yonaguni?

The average relative humidity in June in Yonaguni is 83%.

How much does it rain in Yonaguni in June?

During June, Yonaguni regularly aggregates up to 164mm (6.46") of precipitation.

How warm is the water in June in Yonaguni?

In Yonaguni, Japan, the average seawater temperature in June is 28.3°C (82.9°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

When are the longest days in Yonaguni?

June has the longest days of the year in Yonaguni, with an average of 13h and 36min of daylight.

How many hours of daylight does Yonaguni have in June?

In Yonaguni, the average day length in June is 13h and 38min.

When are sunrise and sunset in June in Yonaguni?

In June, on the first day of the month, sunrise is at 05:59 and sunset at 19:32. On the last day of the month, sunrise is at 06:02 and sunset at 19:40 JST.

How many hours of sunshine does Yonaguni have in June?

The average sunshine duration in June is 6.1h.

Average temperature in June
Yonaguni, Japan

Average temperature in June - Yonaguni, Japan
  • Average high temperature in June: 29.8°C

The warmest month (with the highest average high temperature) is July (31.4°C).
The month with the lowest average high temperature is January (20.5°C).

  • Average low temperature in June: 25.6°C

The month with the highest average low temperature is July (26.6°C).
The coldest month (with the lowest average low temperature) is January (16.4°C).

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Average humidity in June
Yonaguni, Japan

Average humidity in June - Yonaguni, Japan
  • Average humidity in June: 83%

The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is December (72%).

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Average rainfall in June
Yonaguni, Japan

Average rainfall in June - Yonaguni, Japan
  • Average rainfall in June: 164mm

The wettest month (with the highest rainfall) is September (293.2mm).
The driest month (with the least rainfall) is July (138.5mm).

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Average sea temperature in June
Yonaguni, Japan

Average sea temperature in June - Yonaguni, Japan
  • Average sea temperature in June: 28.3°C

The best month for swimming (with the highest average sea temperature) is August (29.2°C).
The coldest month (with the lowest average sea temperature) is March (23.8°C).

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Average daylight in June /
Average sunshine in June
Yonaguni, Japan

Average daylight in June / Average sunshine in June - Yonaguni, Japan
  • Average daylight in June: 13h and 4min

The month with the longest days is June (Average daylight: 13h and 36min).
The month with the shortest days is December (Average daylight: 10h and 42min).

  • Average sunshine in June: 6h and 1min

The month with the most sunshine is July (Average sunshine: 8h and 24min).
The month with the least sunshine is January (Average sunshine: 1h and 48min).

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Yonaguni, Japan

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