October weather forecast
Yokosuka, Japan

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Weather in October

October, like September, is an agreeable autumn month in Yokosuka, Japan, with an average temperature ranging between min 17.9°C (64.2°F) and max 21.7°C (71.1°F).

Temperature

With the onset of October, Yokosuka experiences a modest temperature adjustment, with the average high-temperature gently receding from a moderately hot 26°C (78.8°F) in September to a pleasant 21.7°C (71.1°F). The temperature during October experiences a small drop from daytime peaks, recording an average of 17.9°C (64.2°F) at night.

Humidity

In Yokosuka, the average relative humidity in October is 74%.

Rainfall

The month with the most rainfall in Yokosuka is October, when the rain falls for 15.5 days and typically aggregates up to 119mm (4.69") of precipitation.

Snowfall

April through December are months without snowfall.

Sea temperature

In Yokosuka, in October, the average water temperature is 23.3°C (73.9°F).
Note: Taking into account a person's sensitivity to the cold, given sunshine, wind, and air temperature, swimming in 23.3°C (73.9°F) might be pleasant. (FYI: The water temperature set for the Olympic swimming event is between 25°C (77°F) and 28°C (82.4°F).)

Daylight

The average length of the day in October is 11h and 18min.
On the first day of the month, sunrise is at 05:36 and sunset at 17:25. On the last day of October, in Yokosuka, sunrise is at 06:01 and sunset at 16:47 JST.

Sunshine

The average sunshine in October is 6.8h.

UV index

In Yokosuka, the average daily maximum UV index in October is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: The maximum UV index of 5 during October leads to these instructions:
Ensure safety - Imperative it is to shield skin and eyes from damage. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Attention! UV radiation is markedly stronger with water and sand reflections.
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Frequently asked questions

What are the temperatures in Yokosuka in October?

The average high-temperature, in October, in Yokosuka, is 21.7°C (71.1°F), while the average low-temperature is 17.9°C (64.2°F). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in August is appraised at 34°C (93.2°F).

What is the average humidity in October in Yokosuka?

In Yokosuka, Japan, the average relative humidity in October is 74%.

What is the rainiest month in Yokosuka?

The month with the most rainfall is October, when the rain falls for 15.5 days and typically aggregates up to 119mm (4.69") of precipitation.

How many days does it rain in October in Yokosuka?

In Yokosuka, in October, it is raining for 15.5 days, with typically 119mm (4.69") of accumulated precipitation.

When it does not snow in Yokosuka?

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

What is the sea temperature in October in Yokosuka?

In October, the average sea temperature in Yokosuka, Japan, is 23.3°C (73.9°F). Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 23.3°C (73.9°F) water may be enjoyable.

How many hours of daylight does Yokosuka have in October?

In Yokosuka, the average day length in October is 11h and 18min.

When are sunrise and sunset in October in Yokosuka?

On the first day of October, sunrise is at 05:36 and sunset at 17:25. On the last day of the month, sunrise is at 06:01 and sunset at 16:47 JST.

How long on average sun shines in October in Yokosuka?

In October, the average sunshine duration is 6.8h.

How high is the UV index in October in Yokosuka?

In Yokosuka, the average daily maximum UV index in October is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health 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 October
Yokosuka, Japan

Average temperature in October - Yokosuka, Japan
  • Average high temperature in October: 21.7°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 October: 17.9°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 October
Yokosuka, Japan

Average pressure in October - Yokosuka, Japan
  • Average pressure in October: 1016.3mbar

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 October
Yokosuka, Japan

Average wind speed in October - Yokosuka, Japan
  • Average wind speed in October: 18.9km/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 October
Yokosuka, Japan

Average humidity in October - Yokosuka, Japan
  • Average humidity in October: 74%

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 October
Yokosuka, Japan

Average rainfall in October - Yokosuka, Japan
  • Average rainfall in October: 119mm

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 October
Yokosuka, Japan

Average rainfall days in October - Yokosuka, Japan
  • Average rainfall days in October: 15.5 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 October
Yokosuka, Japan

Average snowfall in October - Yokosuka, Japan
  • Average snowfall in October: 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 October
Yokosuka, Japan

Average snowfall days in October - Yokosuka, Japan
  • Average snowfall days in October: 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 October
Yokosuka, Japan

Average sea temperature in October - Yokosuka, Japan
  • Average sea temperature in October: 23.3°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 October /
Average sunshine in October
Yokosuka, Japan

Average daylight in October / Average sunshine in October - Yokosuka, Japan
  • Average daylight in October: 11h 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 October: 6h 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 October
Yokosuka, Japan

Average sunshine days in October - Yokosuka, Japan
  • Average sunshine days in October: 12.8 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 October
Yokosuka, Japan

Average UV index in October - Yokosuka, Japan
  • Average UV index in October: 5

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 October
Yokosuka, Japan

Average cloud cover in October - Yokosuka, Japan
  • Average cloud cover in October: 43

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 October
Yokosuka, Japan

Average visibility in October - Yokosuka, Japan
  • Average visibility in October: 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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