July weather forecast
Jonanjima, Japan

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Weather in July

July, like June, in Jonanjima, Japan, is a moderately hot summer month, with an average temperature varying between 23.3°C (73.9°F) and 28.3°C (82.9°F).

Temperature

As July begins, there's a slight increase in the average high-temperature, moving from a warm 24.3°C (75.7°F) in June to a still moderately hot 28.3°C (82.9°F). A modest dip in temperatures to an average of 23.3°C (73.9°F) is observed throughout Jonanjima's July nights.

Heat index

The heat index value during July is computed to be a hot 33°C (91.4°F). Undertake enhanced precautions, heat exhaustion and heat cramps are possible risks. Continuous activity could trigger heatstroke.
Be advised, the heat index considers values for conditions in shade and with a light breeze. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is a composite of temperature and humidity figures to convey how warm it feels. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. 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

The most humid month in Jonanjima, Japan, is July, with an average relative humidity of 80%.

Rainfall

In Jonanjima, during July, the rain falls for 15.3 days and regularly aggregates up to 73mm (2.87") of precipitation. In Jonanjima, during the entire year, the rain falls for 154.1 days and collects up to 754mm (29.69") of precipitation.

Snowfall

In Jonanjima, snow does not fall in April through December.

Daylight

In July, the average length of the day in Jonanjima, Japan, is 14h and 18min.
On the first day of July in Jonanjima, sunrise is at 04:29 and sunset at 19:00. On the last day of the month, sunrise is at 04:48 and sunset at 18:46 JST.

Sunshine

In Jonanjima, the average sunshine in July is 9.5h.

UV index

The month with the highest UV index in Jonanjima is July, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: An average maximum UV index of 7 in July leads to these recommendations:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
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Frequently asked questions

How hot does it get in Jonanjima in July?

The average high-temperature, in July, in Jonanjima, is 28.3°C (82.9°F), while the average low-temperature is 23.3°C (73.9°F). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines air temperature and relative humidity, in July is computed to be 33°C (91.4°F).

What is the most humid month in Jonanjima?

With an average relative humidity of 80%, July is the most humid month.

What is the average humidity in July in Jonanjima?

In Jonanjima, Japan, the average relative humidity in July is 80%.

How many days does it rain in July in Jonanjima?

In Jonanjima, in July, during 15.3 rainfall days, 73mm (2.87") of precipitation is typically accumulated.

When it does not snow in Jonanjima?

In Jonanjima, snow does not fall in April through December.

What is the average length of the day in July in Jonanjima?

In Jonanjima, the average day length in July is 14h and 18min.

When is the sunrise / sunset in July in Jonanjima?

In July, on the first day of the month, sunrise is at 04:29 and sunset at 19:00. On the last day of the month, in Jonanjima, Japan, sunrise is at 04:48 and sunset at 18:46 JST.

How many hours of sunshine does Jonanjima have in July?

In Jonanjima, the average sunshine duration in July is 9.5h.

When is the highest UV index in Jonanjima?

The month with the highest UV index in Jonanjima is July, with an average maximum UV index of 7.

What is the UV index reading in July in Jonanjima?

In July, the average daily maximum UV index in Jonanjima, Japan, is 7. A UV Index of 6 to 7 symbolizes a high health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in July
Jonanjima, Japan

Average temperature in July - Jonanjima, Japan
  • Average high temperature in July: 28.3°C

The warmest month (with the highest average high temperature) is August (29.8°C).
The month with the lowest average high temperature is January (8.9°C).

  • Average low temperature in July: 23.3°C

The month with the highest average low temperature is August (24.9°C).
The coldest month (with the lowest average low temperature) is January (3.4°C).

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Average pressure in July
Jonanjima, Japan

Average pressure in July - Jonanjima, Japan
  • Average pressure in July: 1009.8mbar

The month with the highest atmospheric pressure is November (1018mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).

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Average wind speed in July
Jonanjima, Japan

Average wind speed in July - Jonanjima, Japan
  • Average wind speed in July: 15km/h

The windiest month (with the highest average wind speed) is April (17.3km/h).
The calmest month (with the lowest average wind speed) is June (13.6km/h).

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Average humidity in July
Jonanjima, Japan

Average humidity in July - Jonanjima, Japan
  • Average humidity in July: 80%

The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is January (61%).

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Average rainfall in July
Jonanjima, Japan

Average rainfall in July - Jonanjima, Japan
  • Average rainfall in July: 73mm

The wettest month (with the highest rainfall) is October (100mm).
The driest month (with the least rainfall) is December (36mm).

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Average rainfall days in July
Jonanjima, Japan

Average rainfall days in July - Jonanjima, Japan
  • Average rainfall days in July: 15.3 days

The month with the highest number of rainy days is June (16 days).
The month with the least rainy days is January (7.5 days).

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Average snowfall in July
Jonanjima, Japan

Average snowfall in July - Jonanjima, Japan
  • Average snowfall in July: 0mm

The month with the highest snowfall is February (37mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).

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Average snowfall days in July
Jonanjima, Japan

Average snowfall days in July - Jonanjima, Japan
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is February (2 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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Average daylight in July /
Average sunshine in July
Jonanjima, Japan

Average daylight in July / Average sunshine in July - Jonanjima, Japan
  • Average daylight in July: 14h and 2min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in July: 9h and 3min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 5h and 30min).

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Average sunshine days in July
Jonanjima, Japan

Average sunshine days in July - Jonanjima, Japan
  • Average sunshine days in July: 14.1 days

The month with the most sunshine days is January (20.9 days).
The month with the least sunshine days is June (12.3 days).

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Average UV index in July
Jonanjima, Japan

Average UV index in July - Jonanjima, Japan
  • Average UV index in July: 7

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, March, November and December (UV index 3).

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Average cloud cover in July
Jonanjima, Japan

Average cloud cover in July - Jonanjima, Japan
  • Average cloud cover in July: 39

The months with the most cloud cover are June and October (Cloud cover 45).
The month with the least cloud cover is January (Cloud cover 31).

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Average visibility in July
Jonanjima, Japan

Average visibility in July - Jonanjima, Japan
  • Average visibility in July: 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).

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Jonanjima, Japan

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