July weather forecast
Onomichi, Japan

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Weather in July

July, like June, in Onomichi, Japan, is a moderately hot summer month, with temperature in the range of an average low of 21.8°C (71.2°F) and an average high of 29°C (84.2°F).

Temperature

Onomichi, Japan, in July experiences a slight uptick in the average high-temperature, adjusting from June's moderately hot 25.3°C (77.5°F) to a still warm 29°C (84.2°F). Throughout July, Onomichi registers a consistent average low-temperature of 21.8°C (71.2°F).

Heat index

The heat index in July is appraised at a very hot 35°C (95°F). Adopt heightened safety measures, heat cramps and heat exhaustion may occur. Sustained activity might cause heatstroke.
The heat index's values are generally associated with conditions in shade and light breezes. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. Do note, being directly under sun rays can amplify the heat you feel, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.
The human body has a built-in cooling mechanism through perspiration; evaporating sweat dissipates the excess heat. Under high air temperature and high humidity (high heat index) conditions, the body's ability to perspire is compromised, increasing the sensation of heat. Rising body temperatures resulting from an imbalance in heat absorption can lead to potential thermal issues.

Humidity

The most humid month is July, with an average relative humidity of 82%.

Rainfall

The month with the most rainfall is July, when the rain falls for 15.3 days and typically aggregates up to 69mm (2.72") of precipitation.

Snowfall

In Onomichi, Japan, snow does not fall in March through November.

Sea temperature

In July, the average sea temperature in Onomichi is 25.3°C (77.5°F).
Note: 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.

Daylight

The average length of the day in July in Onomichi is 14h and 12min.
On the first day of the month, sunrise is at 04:58 and sunset at 19:23. On the last day of July, sunrise is at 05:17 and sunset at 19:09 JST.

Sunshine

The average sunshine in July in Onomichi is 9.3h.

UV index

July is the month with the highest UV index in Onomichi, Japan, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for average individuals.
Note: A maximum daily UV index of 7 during July morphs into the following directions:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Attention! UV radiation is ramped up when reflecting off sand and water surfaces.
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Frequently asked questions

Is it hot in Onomichi during July?

The average high-temperature, in July, in Onomichi, is 29°C (84.2°F), while the average low-temperature is 21.8°C (71.2°F). In July, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is appraised at 35°C (95°F).

What is the most humid month in Onomichi?

July is the most humid month, with an average relative humidity of 82%.

What is the average humidity in July in Onomichi?

The average relative humidity in July in Onomichi is 82%.

What is the wettest month in Onomichi?

July is the month with the most rainfall in Onomichi, Japan. Rain falls for 15.3 days and accumulates 69mm (2.72") of precipitation.

How many days does it rain in July in Onomichi?

In July, in Onomichi, the rain falls for 15.3 days. Throughout July, 69mm (2.72") of precipitation is accumulated.

When it does not snow in Onomichi?

In Onomichi, snow does not fall in March through November.

What is the sea water temperature in July in Onomichi?

In Onomichi, Japan, in July, the average water temperature is 25.3°C (77.5°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

How many hours of daylight does Onomichi have in July?

The average day length in July in Onomichi, Japan, is 14h and 12min.

When is the sunrise / sunset in July in Onomichi?

In July, on the first day of the month, sunrise is at 04:58 and sunset at 19:23. On the last day of the month, sunrise is at 05:17 and sunset at 19:09 JST.

How long on average sun shines in July in Onomichi?

The average sunshine duration in July is 9.3h.

What is the month with the highest UV index in Onomichi?

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

How high is the UV index in July in Onomichi?

In July, the average daily maximum UV index 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 visibility

Average temperature in July
Onomichi, Japan

Average temperature in July - Onomichi, Japan
  • Average high temperature in July: 29°C

The warmest month (with the highest average high temperature) is August (30.8°C).
The month with the lowest average high temperature is January (7.1°C).

  • Average low temperature in July: 21.8°C

The month with the highest average low temperature is August (22.9°C).
The coldest month (with the lowest average low temperature) is January (1.3°C).

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Average pressure in July
Onomichi, Japan

Average pressure in July - Onomichi, Japan
  • Average pressure in July: 1008.7mbar

The month with the highest atmospheric pressure is January (1020.8mbar).
The month with the lowest atmospheric pressure is June (1008.4mbar).

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Average wind speed in July
Onomichi, Japan

Average wind speed in July - Onomichi, Japan
  • Average wind speed in July: 7.4km/h

The windiest month (with the highest average wind speed) is January (10.5km/h).
The calmest month (with the lowest average wind speed) is June (6.9km/h).

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Average humidity in July
Onomichi, Japan

Average humidity in July - Onomichi, Japan
  • Average humidity in July: 82%

The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is May (71%).

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Average rainfall in July
Onomichi, Japan

Average rainfall in July - Onomichi, Japan
  • Average rainfall in July: 69mm

The wettest month (with the highest rainfall) is July (69mm).
The driest month (with the least rainfall) is January (11mm).

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Average rainfall days in July
Onomichi, Japan

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

The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is January (6 days).

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Average snowfall in July
Onomichi, Japan

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

The month with the highest snowfall is January (6mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).

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Average snowfall days in July
Onomichi, Japan

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

The month with the highest number of snowfall days is January (3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average sea temperature in July
Onomichi, Japan

Average sea temperature in July - Onomichi, Japan
  • Average sea temperature in July: 25.3°C

The best month for swimming (with the highest average sea temperature) is August (27.2°C).
The coldest month (with the lowest average sea temperature) is February (13.7°C).

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

Average daylight in July / Average sunshine in July - Onomichi, Japan
  • Average daylight in July: 14h and 1min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in July: 9h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).

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Average sunshine days in July
Onomichi, Japan

Average sunshine days in July - Onomichi, Japan
  • Average sunshine days in July: 13.3 days

The month with the most sunshine days is May (21.6 days).
The month with the least sunshine days is July (13.3 days).

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Average UV index in July
Onomichi, Japan

Average UV index in July - Onomichi, 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 and December (UV index 2).

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Average cloud cover in July
Onomichi, Japan

Average cloud cover in July - Onomichi, Japan
  • Average cloud cover in July: 41

The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 32).

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Average visibility in July
Onomichi, Japan

Average visibility in July - Onomichi, Japan
  • Average visibility in July: 9km

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

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Onomichi, Japan

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