July weather forecast
Yokosuka, Japan

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Weather in July

July, like June, in Yokosuka, Japan, is another warm summer month, with temperature in the range of an average high of 27.2°C (81°F) and an average low of 23.4°C (74.1°F).

Temperature

Observing a slight rise in July, the average high-temperature shifts from June's warm 23.4°C (74.1°F) to a still moderately hot 27.2°C (81°F). In Yokosuka, the average low-temperature during July nights tends to settle at a still warm 23.4°C (74.1°F), indicating a slight drop from the daytime peak.

Heat index

In July, the heat index is appraised at a hot 31°C (87.8°F). Enduring exposure and unrelenting activity might cause a state of weariness, potentially leading to heat cramps.
In the scope of the heat index, its values resonate with shade and light wind conditions. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is the result of factoring in humidity to the air temperature, indicating perceived warmth. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital 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 in Yokosuka is July, with an average relative humidity of 83%.

Rainfall

In July, the rain falls for 14 days. Throughout July, 91mm (3.58") of precipitation is accumulated. In Yokosuka, during the entire year, the rain falls for 150.9 days and collects up to 867mm (34.13") of precipitation.

Snowfall

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

Sea temperature

In Yokosuka, in July, the average water temperature is 24.8°C (76.6°F).
Note: Swimming in 24.8°C (76.6°F) can be enjoyable or not, depending on how you feel about the cold and conditions such as sunshine, wind, and the day's temperature. FYI: Olympic standards dictate waters of 25°C (77°F) to 28°C (82.4°F).

Daylight

In July, the average length of the day is 14h and 16min.
On the first day of the month, sunrise is at 04:30 and sunset at 19:00. On the last day of July, in Yokosuka, Japan, sunrise is at 04:49 and sunset at 18:45 JST.

Sunshine

In Yokosuka, the average sunshine in July is 9.8h.

UV index

The month with the highest UV index in Yokosuka, Japan, 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 rays for average individuals.
Note: A daily high UV index of 7 in July leads to these guidelines:
Stay clear of intense sun exposure. Solar protection is of utmost significance. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Beware! Reflections from sand and water can intensify the Sun's UV radiation.
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Frequently asked questions

What are the temperatures in Yokosuka in July?

In July, the average high-temperature and low-temperature in Yokosuka are 27.2°C (81°F) and 23.4°C (74.1°F) respectively. In July, the average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, is appraised at 31°C (87.8°F).

What is the most humid month in Yokosuka?

With an average relative humidity of 83%, July is the most humid month.

What is the average humidity in July in Yokosuka?

In July, the average relative humidity in Yokosuka, Japan, is 83%.

How many days does it rain in July in Yokosuka?

In Yokosuka, Japan, in July, during 14 rainfall days, 91mm (3.58") of precipitation is typically accumulated.

When it does not snow in Yokosuka?

In Yokosuka, Japan, snow does not fall in April through December.

How warm is the water in July in Yokosuka?

In Yokosuka, in July, the average water temperature is 24.8°C (76.6°F). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 24.8°C (76.6°F) water.

How many hours of daylight does Yokosuka have in July?

In July, the average day length in Yokosuka, Japan, is 14h and 16min.

When is the sunrise / sunset in July in Yokosuka?

On the first day of July, sunrise is at 04:30 and sunset at 19:00. On the last day of the month, sunrise is at 04:49 and sunset at 18:45 JST.

How long on average sun shines in July in Yokosuka?

In Yokosuka, the average sunshine duration in July is 9.8h.

When is the highest UV index in Yokosuka?

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

What is the UV index reading in July in Yokosuka?

The average daily maximum UV index in July in Yokosuka, Japan, is 7. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's 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
Yokosuka, Japan

Average temperature in July - Yokosuka, Japan
  • Average high temperature in July: 27.2°C

The warmest month (with the highest average high temperature) is August (28.8°C).
The month with the lowest average high temperature is January (9.8°C).

  • Average low temperature in July: 23.4°C

The month with the highest average low temperature is August (25.3°C).
The coldest month (with the lowest average low temperature) is January (5.3°C).

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Average pressure in July
Yokosuka, Japan

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

The month with the highest atmospheric pressure is November (1017.9mbar).
The month with the lowest atmospheric pressure is June (1009.1mbar).

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Average wind speed in July
Yokosuka, Japan

Average wind speed in July - Yokosuka, Japan
  • Average wind speed in July: 17.5km/h

The windiest month (with the highest average wind speed) is March (20.8km/h).
The calmest month (with the lowest average wind speed) is June (15.9km/h).

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Average humidity in July
Yokosuka, Japan

Average humidity in July - Yokosuka, Japan
  • Average humidity in July: 83%

The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is January (61%).

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Average rainfall in July
Yokosuka, Japan

Average rainfall in July - Yokosuka, Japan
  • Average rainfall in July: 91mm

The wettest month (with the highest rainfall) is October (119mm).
The driest months (with the least rainfall) are February and December (39mm).

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Average rainfall days in July
Yokosuka, Japan

Average rainfall days in July - Yokosuka, Japan
  • Average rainfall days in July: 14 days

The month with the highest number of rainy days is June (16.5 days).
The month with the least rainy days is January (6.5 days).

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Average snowfall in July
Yokosuka, Japan

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

The month with the highest snowfall is February (10mm).
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
Yokosuka, Japan

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

The month with the highest number of snowfall days is February (0.5 days).
The months with the least snowfall days are April, May, June, July, August, September, October, November and December (0 days).

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Average sea temperature in July
Yokosuka, Japan

Average sea temperature in July - Yokosuka, Japan
  • Average sea temperature in July: 24.8°C

The best month for swimming (with the highest average sea temperature) is August (26.2°C).
The coldest months (with the lowest average sea temperature) are February and March (16.2°C).

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

Average daylight in July / Average sunshine in July - Yokosuka, 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 5min

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 30min).

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Average sunshine days in July
Yokosuka, Japan

Average sunshine days in July - Yokosuka, Japan
  • Average sunshine days in July: 15.7 days

The month with the most sunshine days is January (23.2 days).
The month with the least sunshine days is June (11.4 days).

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Average UV index in July
Yokosuka, Japan

Average UV index in July - Yokosuka, 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 3).

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Average cloud cover in July
Yokosuka, Japan

Average cloud cover in July - Yokosuka, Japan
  • Average cloud cover in July: 36

The months with the most cloud cover are March, June and October (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in July
Yokosuka, Japan

Average visibility in July - Yokosuka, 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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Yokosuka, Japan

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