October weather forecast
Karatsu, Japan

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Weather in October

October, like September, is another pleasant autumn month in Karatsu, Japan, with an average temperature varying between 21.5°C (70.7°F) and 17.3°C (63.1°F).

Temperature

The commencement of October indicates a gentle shift in the average high-temperature, receding from September's warm 25.6°C (78.1°F) to an agreeable 21.5°C (70.7°F). Karatsu's nighttime temperatures in October see a subtle dip to an average of 17.3°C (63.1°F).

Humidity

In October, the average relative humidity is 74%.

Rainfall

In Karatsu, in October, during 10.5 rainfall days, 23mm (0.91") of precipitation is typically accumulated. Throughout the year, there are 149.2 rainfall days, and 456mm (17.95") of precipitation is accumulated.

Snowfall

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

Daylight

In Karatsu, the average length of the day in October is 11h and 22min.
On the first day of the month, sunrise is at 06:14 and sunset at 18:04. On the last day of October, sunrise is at 06:38 and sunset at 17:29 JST.

Sunshine

In Karatsu, the average sunshine in October is 6.2h.

UV index

In Karatsu, the average daily maximum UV index in October is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: A typical high UV index of 5 in October suggests the following recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
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Frequently asked questions

What are the temperatures in Karatsu in October?

The average high-temperature, in October, in Karatsu, is 21.5°C (70.7°F), while the average low-temperature is 17.3°C (63.1°F). In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is computed to be 36°C (96.8°F).

What is the average humidity in October in Karatsu?

The average relative humidity in October in Karatsu is 74%.

How many days does it rain in October in Karatsu?

In Karatsu, during October, the rain falls for 10.5 days and regularly aggregates up to 23mm (0.91") of precipitation.

When it does not snow in Karatsu?

March through November are months without snowfall.

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

In Karatsu, the average day length in October is 11h and 22min.

When is the sunrise / sunset in October in Karatsu?

In October, on the first day of the month, sunrise is at 06:14 and sunset at 18:04. On the last day of the month, in Karatsu, sunrise is at 06:38 and sunset at 17:29 JST.

How many hours of sunshine does Karatsu have in October?

The average sunshine duration in October in Karatsu, Japan, is 6.2h.

How high is the UV index in October in Karatsu?

In October, the average daily maximum UV index in Karatsu, Japan, is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from exposure to Sun's UV rays.
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
Karatsu, Japan

Average temperature in October - Karatsu, Japan
  • Average high temperature in October: 21.5°C

The warmest month (with the highest average high temperature) is August (29.3°C).
The month with the lowest average high temperature is January (8.8°C).

  • Average low temperature in October: 17.3°C

The month with the highest average low temperature is August (24.6°C).
The coldest month (with the lowest average low temperature) is January (4.9°C).

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Average pressure in October
Karatsu, Japan

Average pressure in October - Karatsu, Japan
  • Average pressure in October: 1016.9mbar

The month with the highest atmospheric pressure is January (1022.2mbar).
The month with the lowest atmospheric pressure is June (1008.1mbar).

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Average wind speed in October
Karatsu, Japan

Average wind speed in October - Karatsu, Japan
  • Average wind speed in October: 15.7km/h

The windiest month (with the highest average wind speed) is January (16.4km/h).
The calmest month (with the lowest average wind speed) is June (10.7km/h).

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Average humidity in October
Karatsu, Japan

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

The month with the highest relative humidity is July (86%).
The months with the lowest relative humidity are January, February and March (71%).

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Average rainfall in October
Karatsu, Japan

Average rainfall in October - Karatsu, Japan
  • Average rainfall in October: 23mm

The wettest month (with the highest rainfall) is July (105mm).
The driest month (with the least rainfall) is January (18mm).

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Average rainfall days in October
Karatsu, Japan

Average rainfall days in October - Karatsu, Japan
  • Average rainfall days in October: 10.5 days

The month with the highest number of rainy days is July (20.1 days).
The month with the least rainy days is May (9.4 days).

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Average snowfall in October
Karatsu, Japan

Average snowfall in October - Karatsu, Japan
  • Average snowfall in October: 0mm

The month with the highest snowfall is January (2mm).
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 October
Karatsu, Japan

Average snowfall days in October - Karatsu, Japan
  • Average snowfall days in October: 0 days

The month with the highest number of snowfall days is January (2.5 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 October /
Average sunshine in October
Karatsu, Japan

Average daylight in October / Average sunshine in October - Karatsu, Japan
  • Average daylight in October: 11h and 2min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in October: 6h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The months with the least sunshine are January and December (Average sunshine: 4h and 12min).

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Average sunshine days in October
Karatsu, Japan

Average sunshine days in October - Karatsu, Japan
  • Average sunshine days in October: 17.9 days

The month with the most sunshine days is May (19.4 days).
The month with the least sunshine days is July (7.9 days).

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Average UV index in October
Karatsu, Japan

Average UV index in October - Karatsu, 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 and December (UV index 2).

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Average cloud cover in October
Karatsu, Japan

Average cloud cover in October - Karatsu, Japan
  • Average cloud cover in October: 37

The month with the most cloud cover is December (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 36).

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Average visibility in October
Karatsu, Japan

Average visibility in October - Karatsu, Japan
  • Average visibility in October: 10km

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

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Karatsu, Japan

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