October weather forecastKochi, Japan
October
Weather in October
Transitioning into the cooler months, October in Kochi brings a decline in temperature, rainfall and humidity, signaling the start of autumn. Pleasant daytime temperatures and a moderation in rainfall, make it a month for outdoor activities, prepping Kochi for the mild winter soon to follow. Daylight persists with slightly over 11 hours on average daily, though it’s waning, auguring shorter days ahead. In the run-up to winter, the sea starts cooling down yet retaining enough warmth for engaging in various water activities.Temperature
Kochi's progression into October involves a minor drop in the average high-temperature, slightly receding from 29.3°C (84.7°F) in September to a still moderately hot 24.5°C (76.1°F). Throughout October in Kochi, a steady low-temperature average of 14.9°C (58.8°F) is noted.Humidity
In October, the average relative humidity in Kochi is 68%.Rainfall
In Kochi, Japan, in October, it is raining for 13.7 days, with typically 166mm (6.54") of accumulated precipitation. In Kochi, during the entire year, the rain falls for 188.2 days and collects up to 2548mm (100.31") of precipitation.Sea temperature
In Kochi, the average seawater temperature in October is 25°C (77°F).Note: Swimming, diving, and similar water activities in temperatures ranging from 25°C (77°F) to 29°C (84.2°F) are seen as very agreeable and pleasurable for lengthy periods without discomfort.
Daylight
In October, the average length of the day in Kochi is 11h and 21min.On the first day of October in Kochi, sunrise is at 06:00 and sunset at 17:50. On the last day of the month, sunrise is at 06:23 and sunset at 17:15 JST.
Sunshine
The average sunshine in October in Kochi is 5.9h.UV index
In Kochi, the average daily maximum UV index in October is 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum daily UV index of 6 during October morphs into the following directions:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Alert! UV radiation becomes sharper due to reflections from sand and water.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Kochi, Japan
- Average high temperature in October: 24.5°C
The warmest month (with the highest average high temperature) is August (31.9°C).
The month with the lowest average high temperature is January (11.9°C).
- Average low temperature in October: 14.9°C
The month with the highest average low temperature is August (24°C).
The coldest month (with the lowest average low temperature) is January (1.6°C).
Average humidity in October
Kochi, Japan
- Average humidity in October: 68%
The month with the highest relative humidity is July (78%).
The month with the lowest relative humidity is February (59%).
Average rainfall in October
Kochi, Japan
- Average rainfall in October: 165.7mm
The wettest month (with the highest rainfall) is September (350mm).
The driest month (with the least rainfall) is December (58.4mm).
Average rainfall days in October
Kochi, Japan
- Average rainfall days in October: 13.7 days
The month with the highest number of rainy days is July (20.1 days).
The month with the least rainy days is November (12 days).
Average sea temperature in October
Kochi, Japan
- Average sea temperature in October: 25°C
The best month for swimming (with the highest average sea temperature) is August (27.8°C).
The coldest months (with the lowest average sea temperature) are February and March (16.9°C).
Average daylight in October /
Average sunshine in October
Kochi, Japan
- Average daylight in October: 11h and 24min
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: 5h and 54min
The month with the most sunshine is August (Average sunshine: 6h and 36min).
The month with the least sunshine is June (Average sunshine: 4h and 42min).
Average UV index in October
Kochi, Japan
- Average UV index in October: 6
The months with the highest UV index are June and July (UV index 11).
The months with the lowest UV index are January and December (UV index 3).





