AI-generatedKōchi at a glance
- Best time
- Mar – May, Oct – Dec
- Warmest month
- Aug · 32°
- Warmest sea
- Aug · 28.0°
- Sunshine a year
- 2,160 h
- Rain a year
- 2,564 mm
- Climate
- Temperate
- Time zone
- UTC+9
- Elevation
- 58 m
Climate in Kōchi
Kōchi has a temperate climate with warm summers and cool winters. August is the warmest month with average highs of 32 °C, while January is the coolest at 12 °C. With around 2,160 hours of sunshine a year, Kōchi is moderately sunny; April is the sunniest month with 6.6 hours a day.
Holiday weather through the year
Best time to visit Kōchi
The best time to visit Kōchi is from March to May and from October to December. In October, though, the typhoon season is at its peak: check the forecast before you go. For a beach holiday – sea from 21 °C, warm and mostly dry – go in October. For sightseeing, day trips and hiking, conditions are most comfortable from March to April and from October to November. Rain is frequent from June to September; the wettest month is July with 360 mm.
Kōchi through the seasons
How the weather changes over the seasons, with averages for each.
Kōchi in spring
Mar – May
Good
- 16–25 °C by day
- Sea 19 °C
- 6.4 h of sun a day
- 36 rainy days in all
Kōchi in summer
Jun – Aug
Fair
- 27–32 °C by day
- Sea 26 °C
- 5.6 h of sun a day
- 62 rainy days in all
Kōchi in autumn
Sep – Nov
Good
- 19–29 °C by day
- Sea 25 °C
- 5.6 h of sun a day
- 38 rainy days in all
Kōchi in winter
Dec – Feb
Good
- 12–14 °C by day
- Sea 18 °C
- 6.2 h of sun a day
- 21 rainy days in all
Which month for what?
Beach & swimming
Oct
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
Mar – Apr, Oct – Nov
15–28 °C and not too much rain
Rainy months
Jun – Sep
Rainy season or more than 12 rainy days
Find your perfect month
Tell us what you like and we rate every month in Kōchi for you.
Your best months: April – May, October
Based on the climate averages; tap a month to see its details.
Weather in October
Weather in October
Holiday weather in October
Good
Best time to visit: March – May, October – December
October is the peak of the typhoon season Hurricane season
Where to go in OctoberSea temperature in October
Good forBeach & swimmingSightseeing & walks
Keep in mindStorm season
A typical day in October
- Morning, 08:00: about 19°
- Midday, 13:00: about 25°
- Afternoon, 16:00: about 24°
- Evening, 20:00: about 20°
- Night, 23:00: about 18°
06:0917:34
Pleasant evenings; a light layer can help.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 05:54–06:43 · evening 17:00–17:49
- Blue hour
- Morning 05:44–05:54 · evening 17:49–17:59
Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.
October in Kōchi compared with home
Loading the climate at home …
Early or late October?
In October, daytime highs fall from about 27° at the start of the month to 22° at the end. The sea cools from 26° to 24°. The days get 1.0 h shorter.
| October | 1 Oct | 31 Oct |
|---|---|---|
| Daytime high | 27° | 22° |
| Night-time low | 18° | 12° |
| Sea | 26° | 24° |
| Daylight | 11.9 h | 10.9 h |
What is the weather like in Kōchi in October?
In October, Kōchi is warm: daytime highs average 25 °C, and nights cool down to about 15 °C. The sea averages 25.3 °C – pleasant for swimming. Expect around 5.8 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 229 mm in total. All in all, October is a good month for a holiday in Kōchi.
More details for October
- Daylight
- 11 h 24 min06:09 – 17:34
- UV index
- 6 · highclear sky, noon (estimate)All months
- Muggy days
- 7 daysdew point 18 °C or moreAll months
- Wind
- 13 km/haverage daily peakAll months
- Cloud cover
- 53 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Time zone
- UTC+9offset from UTC
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %47 %
- Few rainy daysweight 30 %45 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in October
- Swimwear
- Sunscreen
- A jumper for the evenings
- Rain jacket or umbrella
Compare two months in Kōchi
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
November has the better holiday weather in Kōchi: score 79 against 73. In November, days are 6 °C cooler than in October. The sea is 3 °C cooler in November. November has 4 fewer rainy days.
| Month | October | November |
|---|---|---|
| Holiday weather score | 73 | 79better |
| Daytime high | 25° | 19° |
| Night-time low | 15° | 10° |
| Sea | 25.3° | 22.8° |
| Sunshine | 5.8 h | 5.6 h |
| Rainy days | 12 | 8better |
| Rainfall | 229 mm | 123 mmbetter |
| Muggy days | 7 | 1better |
Based on the climate averages 1996–2025.
Kōchi month by month
The typical weather for every month at a glance.
56January12° · Sea 18° · 6.2 h
In January, Kōchi is cool: daytime highs average 12 °C, and nights cool down to about 2 °C. The sea averages 18.0 °C – bracing, so a wetsuit helps for longer swims. Expect around 6.2 hours of sunshine a day. Rain falls on about 6 days, adding up to 72 mm. All in all, January is a so-so month for a holiday in Kōchi.
Kōchi in January57February13° · Sea 17° · 6.3 h
In February, Kōchi is cool: daytime highs average 13 °C, and nights cool down to about 3 °C. The sea averages 17.1 °C – bracing, so a wetsuit helps for longer swims. Expect around 6.3 hours of sunshine a day. Rain falls on about 8 days, adding up to 101 mm. All in all, February is a so-so month for a holiday in Kōchi.
Kōchi in February66March16° · Sea 18° · 6.2 h
In March, Kōchi is mild: daytime highs average 16 °C, and nights cool down to about 6 °C. The sea averages 17.5 °C – bracing, so a wetsuit helps for longer swims. Expect around 6.2 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 164 mm in total. All in all, March is a good month for a holiday in Kōchi.
Kōchi in March75April21° · Sea 19° · 6.6 h
In April, Kōchi is mild: daytime highs average 21 °C, and nights cool down to about 11 °C. The sea averages 18.6 °C – bracing, so a wetsuit helps for longer swims. The sun shines for around 6.6 hours a day. Rain is frequent, with about 12 rainy days and 200 mm in total. All in all, April is a good month for a holiday in Kōchi.
Kōchi in April71May25° · Sea 21° · 6.3 h
In May, Kōchi is warm: daytime highs average 25 °C, and nights cool down to about 15 °C. The sea averages 20.8 °C – refreshing for a swim. Expect around 6.3 hours of sunshine a day. Rain is frequent, with about 13 rainy days and 257 mm in total. All in all, May is a good month for a holiday in Kōchi.
Kōchi in May55June27° · Sea 23° · 4.5 h
In June, Kōchi is warm: daytime highs average 27 °C, and even at night it stays warm at around 20 °C. The sea averages 23.4 °C – pleasant for swimming. Expect around 4.5 hours of sunshine a day. It rains often – on about 19 days, adding up to 353 mm. The air is often humid and muggy. All in all, June is a so-so month for a holiday in Kōchi.
Kōchi in June36July31° · Sea 26° · 5.6 h
In July, Kōchi is hot: daytime highs average 31 °C, and even at night it stays warm at around 24 °C. The sea averages 26.3 °C – lovely and warm for swimming. Expect around 5.6 hours of sunshine a day. It rains often – on about 21 days, adding up to 360 mm. On about 20 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, July is not an ideal month for a holiday in Kōchi.
Kōchi in July31August32° · Sea 28° · 6.6 h
In August, Kōchi is hot: daytime highs average 32 °C, and even at night it stays warm at around 24 °C. The sea averages 28.0 °C – lovely and warm for swimming. The sun shines for around 6.6 hours a day. It rains often – on about 21 days, adding up to 308 mm. On about 27 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, August is not an ideal month for a holiday in Kōchi.
Kōchi in August44September29° · Sea 27° · 5.4 h
In September, Kōchi is hot: daytime highs average 29 °C, and even at night it stays warm at around 21 °C. The sea averages 27.3 °C – lovely and warm for swimming. Expect around 5.4 hours of sunshine a day. It rains often – on about 18 days, adding up to 318 mm. On about 11 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, September is a so-so month for a holiday in Kōchi.
Kōchi in September73October25° · Sea 25° · 5.8 h
In October, Kōchi is warm: daytime highs average 25 °C, and nights cool down to about 15 °C. The sea averages 25.3 °C – pleasant for swimming. Expect around 5.8 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 229 mm in total. All in all, October is a good month for a holiday in Kōchi.
Kōchi in October79November19° · Sea 23° · 5.6 h
In November, Kōchi is mild: daytime highs average 19 °C, and nights cool down to about 10 °C. The sea averages 22.8 °C – refreshing for a swim. Expect around 5.6 hours of sunshine a day. Rain falls on about 8 days, adding up to 123 mm. All in all, November is a good month for a holiday in Kōchi.
Kōchi in November66December14° · Sea 20° · 6.0 h
In December, Kōchi is cool: daytime highs average 14 °C, and nights cool down to about 4 °C. The sea averages 20.1 °C – refreshing for a swim. Expect around 6.0 hours of sunshine a day. Rain falls on about 6 days, adding up to 80 mm. All in all, December is a good month for a holiday in Kōchi.
Kōchi in DecemberClimate in detail
Year & climate table
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Kōchi
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Cold 0–8°
- Cool 8–15°
- Pleasant 15–20°
- Warm 20–24°
- Hot 24° and more
- muggy month (15+ muggy days)
PleasantOctober: nights around 15°. Ideal for sleeping, often with the window open. Muggy on about 7 days (dew point 18 °C or more).
The coolest nights are in January (2°), the warmest in August (24°). Tropical nights of 20 °C and more are the rule from June to September; then air conditioning or a fan helps you sleep. Nights are pleasant for sleeping (15 to 20 °C) in May and in October. Nights fall below 8 °C on average from December to March, so the room should be heated. It is muggy (dew point 18 °C or more) on about 120 days a year, mostly from June to September.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sea | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|---|
| JanuaryJan | 56 | 12° | 2° | 18.0° | 6.2 h | 6 | 72 |
| FebruaryFeb | 57 | 13° | 3° | 17.1° | 6.3 h | 8 | 101 |
| MarchMar | 66 | 16° | 6° | 17.5° | 6.2 h | 11 | 164 |
| AprilApr | 75 | 21° | 11° | 18.6° | 6.6 h | 12 | 200 |
| MayMay | 71 | 25° | 15° | 20.8° | 6.3 h | 13 | 257 |
| JuneJun | 55 | 27° | 20° | 23.4° | 4.5 h | 19 | 353 |
| JulyJul | 36 | 31° | 24° | 26.3° | 5.6 h | 21 | 360 |
| AugustAug | 31 | 32° | 24° | 28.0° | 6.6 h | 21 | 308 |
| SeptemberSep | 44 | 29° | 21° | 27.3° | 5.4 h | 18 | 318 |
| OctoberOct | 73 | 25° | 15° | 25.3° | 5.8 h | 12 | 229 |
| NovemberNov | 79 | 19° | 10° | 22.8° | 5.6 h | 8 | 123 |
| DecemberDec | 66 | 14° | 4° | 20.1° | 6.0 h | 6 | 80 |
Climate averages 1996–2025 (sunshine partly WMO station normals 1991–2020), not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences
33.55° N, 133.53° E · 58 m · Asia/Tokyo
Sea temperature
Sea temperature in Kōchi
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 24.5 – 26.1 °C
Swimming season: May – Dec
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in Kōchi ranges from 17.1 °C in February to 28.0 °C in August. It is warm enough for a comfortable swim (20 °C and more) from May to December.
From October to March the sea is even warmer than the afternoon air. The sea temperature varies from year to year: in August, eight out of ten years were between 27.3 and 28.8 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 18.0° | 17.3° | 18.8° | fresh |
| FebruaryFeb | 17.1° | 16.3° | 17.9° | fresh |
| MarchMar | 17.5° | 16.8° | 18.2° | fresh |
| AprilApr | 18.6° | 17.9° | 19.6° | fresh |
| MayMay | 20.8° | 20.2° | 21.6° | refreshing |
| JuneJun | 23.4° | 22.8° | 24.0° | pleasant |
| JulyJul | 26.3° | 25.3° | 27.2° | warm |
| AugustAug | 28.0° | 27.3° | 28.8° | warm |
| SeptemberSep | 27.3° | 26.6° | 28.3° | warm |
| OctoberOct | 25.3° | 24.5° | 26.1° | pleasant |
| NovemberNov | 22.8° | 21.8° | 23.6° | refreshing |
| DecemberDec | 20.1° | 19.1° | 20.9° | refreshing |
Sunshine
Sunshine hours in Kōchi
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 5.8 of 11.4 hours of daylight in Kōchi, 51 % of the daylight hours.
Sunshine hours: measured at the weather station 2 km away, averages 1991–2020 (WMO climate normals). Daylight is the time from sunrise to sunset on the 15th of the month.
Rain
Rain in Kōchi: rainy days and rainfall
A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.
In October, Kōchi has about 12 rainy days with 229 mm of rain in total.
UV index
UV index in Kōchi
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 6 · highSeek shade around midday; sunscreen SPF 30+, hat and sunglasses.
The sun is strongest in June (UV 11).
Minutes until sunburn in October
- Very fair skin
- about 25 min
- Fair skin
- about 30 min
- Light brown skin
- about 40 min
- Olive skin
- about 55 min
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen the time, water, sand and snow shorten it. Sunscreen extends the time only partly.
Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.
Wind & clouds
Wind and clouds in Kōchi
How breezy and how cloudy Kōchi is through the year. Tap a month to select it on the whole page.
Wind
Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.
In October, the wind in Kōchi typically peaks at 13 km/h during the day: Beaufort 3, gentle breeze.
Breezy months for windsurfing and kiting
The daily breeze rarely reaches Beaufort 4 (20 km/h), so wind sports depend on single windy days.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 53 % of the sky over Kōchi: variable cloud, with about 5.8 hours of sunshine a day.
Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.
Heat & humidity
Heat and humidity in Kōchi
How often the day gets hot in Kōchi (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.
Heat calendar
- pleasant
- some hot or muggy days
- often muggy
- often hot
- hot and muggy
In October, Kōchi has about 0 hot days, with an average daytime high of 25 °C: some hot or muggy days. Single hot or muggy days are possible; a hat and water bottle are enough.
Hot days reach at least 30 °C; a month counts as muggy when the mean dew point reaches 18 °C on at least 15 days. Averages from ERA5 and ERA5-Land, 1996–2025. Muggy nights through the year
Planning a trip to Kōchi
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Kōchi in the school holidays
How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.
Kōchi has its best school-holiday weather during October half-term (score 73) and its weakest during the summer holidays (score 33).
- 72
Easter holidays
Mar – Apr
Good
- 19 °C by day
- Sea 18 °C
- 6.5 h of sun a day
- 12 rainy days a month
Good for: Sightseeing & walks
- 68
May half-term
May – Jun
Good
- 25 °C by day
- Sea 21 °C
- 5.9 h of sun a day
- 15 rainy days a month
- 33
Summer holidays
Jul – Aug
Poor
- 31 °C by day
- Sea 27 °C
- 6.3 h of sun a day
- 21 rainy days a month
Keep in mind: Frequent rain, Storm season
- 73
October half-term
Oct
GoodBest holidays
- 25 °C by day
- Sea 25 °C
- 5.8 h of sun a day
- 12 rainy days a month
Good for: Beach & swimming, Sightseeing & walks
Keep in mind: Storm season
- 61
Christmas holidays
Dec – Jan
Good
- 13 °C by day
- Sea 19 °C
- 6.1 h of sun a day
- 6 rainy days a month
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 12 h
- Distance
- 9,550 km
- Time zone
- UTC+9
- Jet lag
- About 8 days (8 h east)
Rule of thumb for flying east: for a few days before, go to bed and get up a little earlier, and get plenty of morning light at your destination.
Most routes need a change of planes, which adds time.
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Good to know: Japan
- Currency
- Japanese Yen (JPY)
- Language
- Japanese
- Sockets
- Type A, B · 100 V
- Traffic
- Drives on the left
- Dialling code
- +81
UK plugs need a travel adapter
Only 100 V: chargers marked 100–240 V work, other devices need a voltage converter.
Sources: GeoNames (CC BY 4.0) and Wikidata (CC0). Please check details before you travel.
Storm season
Kōchi lies in an area that Pacific typhoons can reach. The typhoon season runs from June to November, with most storms from August to October. A direct hit on any one place is rare, but if you travel then, keep an eye on weather warnings and book flexibly.
- January
- February
- March
- April
- May
- June: Season
- July: Season
- August: Peak
- September: Peak
- October: Peak
- November: Season
- December
Official season dates of the regional warning centres (NOAA, JMA, IMD, Météo-France, BoM, Fiji Meteorological Service); not a forecast.
Compare & alternatives
Compare with another place
Kōchi compared
Put Kōchi side by side with another destination.
Kōchi vs Imabari
In October Imabari has the better holiday weather (score 79 vs 73). During the day Imabari is 1 °C cooler than Kōchi. The sea in Imabari is 1 °C cooler.
| in October | Kōchi | Imabari |
|---|---|---|
| Holiday weather score | 73 | 79 |
| Daytime high | 25° | 24° |
| Sea | 25° | 24° |
| Sunshine | 6 h | 6 h |
| Rainy days | 12 | 9 |
| Best time | Mar – May, Oct – Dec | Apr – Jun, Oct – Nov |
Through the year
Best places in the country
Japan in October: the best places
In October, Kōchi ranks 23 among the 31 nearest destinations in this country.
- Kure23°23°81
- 2Hiroshima24°23°81
- 3Yamaguchi23°80
- 4Ube24°23°80
- 5Shimonoseki24°23°80
- 6Imabari24°24°79
- 7Fukuyama24°24°79
- 8Ōita24°23°79
- 23KōchiThis page25°25°73
Places nearby
Near Kōchi
Other destinations close by.
Places with a similar climate
Places with a climate like Kōchi
Destinations whose weather through the year is closest to Kōchi's – good alternatives.
Frequently asked questions about Kōchi
When is the best time to visit Kōchi?
The best time to visit Kōchi is from March to May and from October to December. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
How warm is the sea in Kōchi?
The sea temperature in Kōchi ranges from 17.1 °C in February to 28.0 °C in August. It is warm enough for a comfortable swim (20 °C and more) from May to December.
Can you swim in Kōchi in October?
Yes. In October the sea averages 25.3 °C – pleasant for swimming.
What is the warmest month in Kōchi?
August is the warmest month, with average highs of 32 °C and nights around 24 °C. January is the coolest month at 12 °C.
When does it rain most in Kōchi?
Rain is frequent from June to September; the wettest month is July with 360 mm. The driest month is January with 72 mm.
How many hours of sunshine does Kōchi get?
Kōchi gets around 2,160 hours of sunshine a year. The sunniest month is April with 6.6 hours a day; in June there are 4.5 hours a day.
What time zone is Kōchi in?
Kōchi is on UTC+9 all year.
How long is the flight from London to Kōchi?
A nonstop flight from London to Kōchi takes about 12 h, for a straight-line distance of about 9,550 km. Most routes need a change of planes, which adds time.
When is typhoon season in Kōchi?
Kōchi lies in an area that Pacific typhoons can reach. The typhoon season runs from June to November, with most storms from August to October. A direct hit on any one place is rare, but if you travel then, keep an eye on weather warnings and book flexibly.
Which school holidays are best for Kōchi?
Kōchi has its best school-holiday weather during October half-term (score 73) and its weakest during the summer holidays (score 33). Holiday ratings (0–100): Easter holidays 72, May half-term 68, summer holidays 33, October half-term 73, Christmas holidays 61.