October weather forecast
Chatan, Japan

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Weather in October

October, the same as September, is a moderately hot autumn month in Chatan, Japan, with an average temperature ranging between min 25°C (77°F) and max 26.4°C (79.5°F).

Temperature

Chatan experiences an average high-temperature of a still warm 26.4°C (79.5°F) in October, marking an insignificant shift from 28.6°C (83.5°F) in September. Chatan maintains an average of approximately a still warm 25°C (77°F) during October nights, with only a minimal decrease from the daytime temperature.

Humidity

The average relative humidity in October is 77%.

Rainfall

In Chatan, in October, it is raining for 19.7 days, with typically 143mm (5.63") of accumulated precipitation. In Chatan, during the entire year, the rain falls for 215.5 days and collects up to 1300mm (51.18") of precipitation.

Sea temperature

In Chatan, in October, the average water temperature is 27.2°C (81°F).
Note: For any water activity, surface water temperatures from 25°C (77°F) to 29°C (84.2°F) are deemed perfect and extremely pleasing for enduring enjoyment.

Daylight

In October, the average length of the day is 11h and 32min.
On the first day of October in Chatan, Japan, sunrise is at 06:21 and sunset at 18:15. On the last day of the month, sunrise is at 06:37 and sunset at 17:47 JST.

Sunshine

In October, the average sunshine in Chatan is 6.3h.

UV index

In Chatan, the average daily maximum UV index in October is 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the average person.
Note: An average UV index of 6 in October transforms into this advice:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Stay alert! Reflective properties of sand and water amplify the Sun's UV radiation.
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Frequently asked questions

What is the usual temperature for Chatan in October?

In October, in Chatan, the average high-temperature is 26.4°C (79.5°F), and the average low-temperature is 25°C (77°F). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines relative humidity and air temperature, in September is appraised at 33°C (91.4°F).

What is the average humidity in October in Chatan?

In October, the average relative humidity in Chatan is 77%.

How much does it rain in Chatan in October?

In Chatan, in October, during 19.7 rainfall days, 143mm (5.63") of precipitation is typically accumulated.

What is the sea water temperature in October in Chatan?

In Chatan, the average seawater temperature in October is 27.2°C (81°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.

What is the average length of the day in October in Chatan?

In October, the average day length in Chatan is 11h and 32min.

What time are sunrise and sunset in October in Chatan?

In October, on the first day of the month, sunrise is at 06:21 and sunset at 18:15. On the last day of the month, in Chatan, Japan, sunrise is at 06:37 and sunset at 17:47 JST.

How long on average sun shines in October in Chatan?

In October, the average sunshine duration in Chatan, Japan, is 6.3h.

What is the UV index intensity in October in Chatan?

In October, the average daily maximum UV index in Chatan is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to UV radiation.

Average temperature in October
Chatan, Japan

Average temperature in October - Chatan, Japan
  • Average high temperature in October: 26.4°C

The warmest month (with the highest average high temperature) is August (29.5°C).
The month with the lowest average high temperature is January (18.8°C).

  • Average low temperature in October: 25°C

The month with the highest average low temperature is August (28.2°C).
The coldest month (with the lowest average low temperature) is January (16.8°C).

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Average pressure in October
Chatan, Japan

Average pressure in October - Chatan, Japan
  • Average pressure in October: 1012.9mbar

The month with the highest atmospheric pressure is January (1020.9mbar).
The month with the lowest atmospheric pressure is August (1006.6mbar).

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Average wind speed in October
Chatan, Japan

Average wind speed in October - Chatan, Japan
  • Average wind speed in October: 27.2km/h

The windiest month (with the highest average wind speed) is December (27.6km/h).
The calmest month (with the lowest average wind speed) is May (19.5km/h).

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Average humidity in October
Chatan, Japan

Average humidity in October - Chatan, Japan
  • Average humidity in October: 77%

The month with the highest relative humidity is June (86%).
The month with the lowest relative humidity is January (72%).

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Average rainfall in October
Chatan, Japan

Average rainfall in October - Chatan, Japan
  • Average rainfall in October: 143mm

The wettest month (with the highest rainfall) is June (198mm).
The driest months (with the least rainfall) are January and February (53mm).

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Average rainfall days in October
Chatan, Japan

Average rainfall days in October - Chatan, Japan
  • Average rainfall days in October: 19.7 days

The month with the highest number of rainy days is October (19.7 days).
The month with the least rainy days is July (16.1 days).

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Average sea temperature in October
Chatan, Japan

Average sea temperature in October - Chatan, Japan
  • Average sea temperature in October: 27.2°C

The best month for swimming (with the highest average sea temperature) is August (28.7°C).
The coldest month (with the lowest average sea temperature) is February (20.9°C).

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Average daylight in October /
Average sunshine in October
Chatan, Japan

Average daylight in October / Average sunshine in October - Chatan, Japan
  • Average daylight in October: 11h and 3min

The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).

  • Average sunshine in October: 6h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).

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Average sunshine days in October
Chatan, Japan

Average sunshine days in October - Chatan, Japan
  • Average sunshine days in October: 7.4 days

The month with the most sunshine days is July (12.6 days).
The month with the least sunshine days is September (7.1 days).

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Average UV index in October
Chatan, Japan

Average UV index in October - Chatan, Japan
  • Average UV index in October: 6

The months with the highest UV index are June, July, August and September (UV index 7).
The month with the lowest UV index is December (UV index 4).

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Average cloud cover in October
Chatan, Japan

Average cloud cover in October - Chatan, Japan
  • Average cloud cover in October: 46

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 34).

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Average visibility in October
Chatan, Japan

Average visibility in October - Chatan, 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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Chatan, Japan

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