AI-generatedMinamata at a glance
- Best time
- Jul – Oct
- Warmest month
- Aug · 32°
- Warmest sea
- Aug · 28.1°
- Sunshine a year
- 1,910 h
- Rain a year
- 2,084 mm
- Climate
- Temperate
- Time zone
- UTC+9
- Elevation
- 2 m
Climate in Minamata
Minamata 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 1,910 hours of sunshine a year, Minamata is moderately sunny; August is the sunniest month with 6.7 hours a day.
Holiday weather through the year
Best time to visit Minamata
The best time to visit Minamata is from July to October. In August, September and 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 May and from October to November. The wettest month is June with 429 mm of precipitation.
Minamata through the seasons
How the weather changes over the seasons, with averages for each.
Minamata in spring
Mar – May
Poor
- 16–24 °C by day
- Sea 18 °C
- 5.8 h of sun a day
- 34 rainy days in all
Minamata in summer
Jun – Aug
Good
- 27–32 °C by day
- Sea 26 °C
- 5.5 h of sun a day
- 52 rainy days in all
Minamata in autumn
Sep – Nov
Good
- 19–29 °C by day
- Sea 24 °C
- 5.5 h of sun a day
- 30 rainy days in all
Minamata in winter
Dec – Feb
Poor
- 12–14 °C by day
- Sea 17 °C
- 4.1 h of sun a day
- 25 rainy days in all
Which month for what?
Beach & swimming
Oct
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
Mar – May, Oct – Nov
15–28 °C and not too much rain
Rainy months
Jun
Rainy season or more than 12 rainy days
Find your perfect month
Tell us what you like and we rate every month in Minamata for you.
Your best months: July, September – October
Based on the climate averages; tap a month to see its details.
Weather in October
Weather in October
Holiday weather in October
Excellent
Best time to visit: July – October
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 20°
- Midday, 13:00: about 25°
- Afternoon, 16:00: about 24°
- Evening, 20:00: about 21°
- Night, 23:00: about 20°
06:2117:47
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 06:06–06:54 · evening 17:14–18:02
- Blue hour
- Morning 05:56–06:06 · evening 18:02–18:12
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 Minamata 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 23°. The days get 0.9 h shorter.
| October | 1 Oct | 31 Oct |
|---|---|---|
| Daytime high | 27° | 22° |
| Night-time low | 20° | 15° |
| Sea | 26° | 23° |
| Daylight | 11.9 h | 11.0 h |
What is the weather like in Minamata in October?
In October, Minamata is warm: daytime highs average 25 °C, and nights cool down to about 18 °C. The sea averages 24.5 °C – pleasant for swimming. Expect around 5.9 hours of sunshine a day. Rain falls on about 9 days, adding up to 110 mm. All in all, October is an excellent month for a holiday in Minamata.
More details for October
- Daylight
- 11 h 26 min06:21 – 17:47
- UV index
- 6 · highclear sky, noon (estimate)All months
- Muggy days
- 7 daysdew point 18 °C or moreAll months
- Wind
- 14 km/haverage daily peakAll months
- Cloud cover
- 48 %on averageAll months
- Hot days
- 1 day30 °C or moreAll months
- Time zone
- UTC+9offset from UTC
How the score comes together
- Temperatureweight 35 %95 %
- Seaweight 25 %100 %
- Sunshineweight 20 %48 %
- Few rainy daysweight 20 %68 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in October
- Swimwear
- Sunscreen
- Rain jacket or umbrella
Compare two months in Minamata
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
October has the better holiday weather in Minamata: score 81 against 76. In September, days are 4 °C warmer than in October. The sea is 3 °C warmer in September. September has 4 more rainy days.
| Month | October | September |
|---|---|---|
| Holiday weather score | 81better | 76 |
| Daytime high | 25° | 29° |
| Night-time low | 18° | 22° |
| Sea | 24.5° | 27.0° |
| Sunshine | 5.9 h | 5.8 h |
| Rainy days | 9better | 13 |
| Rainfall | 110 mmbetter | 189 mm |
| Muggy days | 7better | 25 |
Based on the climate averages 1996–2025.
Minamata month by month
The typical weather for every month at a glance.
16January12° · Sea 17° · 3.7 h
In January, Minamata is cool: daytime highs average 12 °C, and nights cool down to about 5 °C. The sea averages 17.0 °C – bracing, so a wetsuit helps for longer swims. The sun is scarce, with only about 3.7 hours a day. Rain falls on about 9 days, adding up to 69 mm. All in all, January is not an ideal month for a holiday in Minamata.
Minamata in January17February13° · Sea 16° · 4.6 h
In February, Minamata is cool: daytime highs average 13 °C, and nights cool down to about 6 °C. The sea averages 16.1 °C – swimming is only for the hardy. Expect around 4.6 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 93 mm in total. All in all, February is not an ideal month for a holiday in Minamata.
Minamata in February17March16° · Sea 17° · 5.2 h
In March, Minamata is cool: daytime highs average 16 °C, and nights cool down to about 9 °C. The sea averages 16.5 °C – swimming is only for the hardy. Expect around 5.2 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 131 mm in total. All in all, March is not an ideal month for a holiday in Minamata.
Minamata in March31April20° · Sea 18° · 6.1 h
In April, Minamata is mild: daytime highs average 20 °C, and nights cool down to about 13 °C. The sea averages 17.8 °C – bracing, so a wetsuit helps for longer swims. Expect around 6.1 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 139 mm in total. All in all, April is not an ideal month for a holiday in Minamata.
Minamata in April61May24° · Sea 20° · 6.1 h
In May, Minamata is warm: daytime highs average 24 °C, and nights cool down to about 17 °C. The sea averages 20.1 °C – refreshing for a swim. Expect around 6.1 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 196 mm in total. All in all, May is a good month for a holiday in Minamata.
Minamata in May60June27° · Sea 23° · 4.0 h
In June, Minamata is warm: daytime highs average 27 °C, and even at night it stays warm at around 21 °C. The sea averages 22.8 °C – refreshing for a swim. Expect around 4.0 hours of sunshine a day. It rains often – on about 17 days, adding up to 429 mm. The air is often humid and muggy. All in all, June is a good month for a holiday in Minamata.
Minamata in June69July31° · Sea 26° · 5.8 h
In July, Minamata is hot: daytime highs average 31 °C, and even at night it stays warm at around 25 °C. The sea averages 26.1 °C – lovely and warm for swimming. Expect around 5.8 hours of sunshine a day. It rains often – on about 19 days, adding up to 340 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 a good month for a holiday in Minamata.
Minamata in July70August32° · Sea 28° · 6.7 h
In August, Minamata is hot: daytime highs average 32 °C, and even at night it stays warm at around 25 °C. The sea averages 28.1 °C – lovely and warm for swimming. The sun shines for around 6.7 hours a day. It rains often – on about 16 days, adding up to 206 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 a good month for a holiday in Minamata.
Minamata in August76September29° · Sea 27° · 5.8 h
In September, Minamata is hot: daytime highs average 29 °C, and even at night it stays warm at around 22 °C. The sea averages 27.0 °C – lovely and warm for swimming. Expect around 5.8 hours of sunshine a day. Rain is frequent, with about 13 rainy days and 189 mm in total. On about 12 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, September is a good month for a holiday in Minamata.
Minamata in September81October25° · Sea 25° · 5.9 h
In October, Minamata is warm: daytime highs average 25 °C, and nights cool down to about 18 °C. The sea averages 24.5 °C – pleasant for swimming. Expect around 5.9 hours of sunshine a day. Rain falls on about 9 days, adding up to 110 mm. All in all, October is an excellent month for a holiday in Minamata.
Minamata in October37November19° · Sea 22° · 4.8 h
In November, Minamata is mild: daytime highs average 19 °C, and nights cool down to about 12 °C. The sea averages 21.6 °C – refreshing for a swim. Expect around 4.8 hours of sunshine a day. Rain falls on about 9 days, adding up to 106 mm. All in all, November is not an ideal month for a holiday in Minamata.
Minamata in November26December14° · Sea 19° · 4.0 h
In December, Minamata is cool: daytime highs average 14 °C, and nights cool down to about 7 °C. The sea averages 18.9 °C – bracing, so a wetsuit helps for longer swims. Expect around 4.0 hours of sunshine a day. Rain falls on about 7 days, adding up to 76 mm. All in all, December is not an ideal month for a holiday in Minamata.
Minamata 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 Minamata
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 18°. 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 (5°), the warmest in August (25°). 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 February, so the room should be heated. It is muggy (dew point 18 °C or more) on about 122 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 | 16 | 12° | 5° | 17.0° | 3.7 h | 9 | 69 |
| FebruaryFeb | 17 | 13° | 6° | 16.1° | 4.6 h | 10 | 93 |
| MarchMar | 17 | 16° | 9° | 16.5° | 5.2 h | 11 | 131 |
| AprilApr | 31 | 20° | 13° | 17.8° | 6.1 h | 11 | 139 |
| MayMay | 61 | 24° | 17° | 20.1° | 6.1 h | 12 | 196 |
| JuneJun | 60 | 27° | 21° | 22.8° | 4.0 h | 17 | 429 |
| JulyJul | 69 | 31° | 25° | 26.1° | 5.8 h | 19 | 340 |
| AugustAug | 70 | 32° | 25° | 28.1° | 6.7 h | 16 | 206 |
| SeptemberSep | 76 | 29° | 22° | 27.0° | 5.8 h | 13 | 189 |
| OctoberOct | 81 | 25° | 18° | 24.5° | 5.9 h | 9 | 110 |
| NovemberNov | 37 | 19° | 12° | 21.6° | 4.8 h | 9 | 106 |
| DecemberDec | 26 | 14° | 7° | 18.9° | 4.0 h | 7 | 76 |
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
32.22° N, 130.40° E · 2 m · Asia/Tokyo
Sea temperature
Sea temperature in Minamata
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 23.3 – 25.4 °C
Swimming season: May – Nov
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in Minamata ranges from 16.1 °C in February to 28.1 °C in August. It is warm enough for a comfortable swim (20 °C and more) from May to November.
From November 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 28.9 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 17.0° | 15.7° | 18.1° | fresh |
| FebruaryFeb | 16.1° | 15.1° | 17.0° | cold |
| MarchMar | 16.5° | 15.1° | 17.7° | cold |
| AprilApr | 17.8° | 16.8° | 18.8° | fresh |
| MayMay | 20.1° | 19.3° | 20.7° | refreshing |
| JuneJun | 22.8° | 22.1° | 23.8° | refreshing |
| JulyJul | 26.1° | 25.1° | 27.2° | warm |
| AugustAug | 28.1° | 27.3° | 28.9° | warm |
| SeptemberSep | 27.0° | 26.3° | 28.0° | warm |
| OctoberOct | 24.5° | 23.3° | 25.4° | pleasant |
| NovemberNov | 21.6° | 21.0° | 22.5° | refreshing |
| DecemberDec | 18.9° | 18.0° | 19.8° | fresh |
Sunshine
Sunshine hours in Minamata
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 5.9 of 11.4 hours of daylight in Minamata, 52 % of the daylight hours.
Sunshine hours: estimated from radiation data (ERA5, 1996–2025) and calibrated against measured station values; no weather station is close enough here. Daylight is the time from sunrise to sunset on the 15th of the month.
Rain
Rain in Minamata: 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, Minamata has about 9 rainy days with 110 mm of rain in total.
UV index
UV index in Minamata
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 50 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 Minamata
How breezy and how cloudy Minamata 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 Minamata typically peaks at 14 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 48 % of the sky over Minamata: variable cloud, with about 5.9 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 Minamata
How often the day gets hot in Minamata (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, Minamata has about 1 hot day, 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 Minamata
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Minamata 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.
Minamata has its best school-holiday weather during October half-term (score 81) and its weakest during the Christmas holidays (score 21).
- 27
Easter holidays
Mar – Apr
Poor
- 19 °C by day
- Sea 17 °C
- 5.8 h of sun a day
- 11 rainy days a month
Good for: Sightseeing & walks
- 61
May half-term
May – Jun
Good
- 25 °C by day
- Sea 21 °C
- 5.7 h of sun a day
- 13 rainy days a month
Good for: Sightseeing & walks
- 70
Summer holidays
Jul – Aug
Good
- 32 °C by day
- Sea 27 °C
- 6.4 h of sun a day
- 17 rainy days a month
Keep in mind: Storm season
- 81
October half-term
Oct
ExcellentBest holidays
- 25 °C by day
- Sea 25 °C
- 5.9 h of sun a day
- 9 rainy days a month
Good for: Beach & swimming, Sightseeing & walks
Keep in mind: Storm season
- 21
Christmas holidays
Dec – Jan
Poor
- 13 °C by day
- Sea 18 °C
- 3.9 h of sun a day
- 8 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
Minamata 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
Minamata compared
Put Minamata side by side with another destination.
Minamata vs Kumamoto
In October Minamata has the better holiday weather (score 81 vs 72). During the day Kumamoto is 1 °C cooler than Minamata. The sea in Kumamoto is 2 °C cooler. Kumamoto gets one hour less sunshine a day.
| in October | Minamata | Kumamoto |
|---|---|---|
| Holiday weather score | 81 | 72 |
| Daytime high | 25° | 24° |
| Sea | 25° | 23° |
| Sunshine | 6 h | 5 h |
| Rainy days | 9 | 8 |
| Best time | Jul – Oct | Apr – May, Oct – Nov |
Through the year
Best places in the country
Japan in October: the best places
In October, Minamata ranks 2 among the 31 nearest destinations in this country.
- Sasebo24°24°82
- 2MinamataThis page25°25°81
- 3Nagasaki24°24°81
- 4Fukuoka24°23°81
- 5Kure23°23°81
- 6Hiroshima24°23°81
- 7Kumamoto24°23°80
- 8Saga24°23°80
Places nearby
Near Minamata
Other destinations close by.
Places with a similar climate
Places with a climate like Minamata
Destinations whose weather through the year is closest to Minamata's – good alternatives.
Frequently asked questions about Minamata
When is the best time to visit Minamata?
The best time to visit Minamata is from July to October. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
How warm is the sea in Minamata?
The sea temperature in Minamata ranges from 16.1 °C in February to 28.1 °C in August. It is warm enough for a comfortable swim (20 °C and more) from May to November.
Can you swim in Minamata in October?
Yes. In October the sea averages 24.5 °C – pleasant for swimming.
What is the warmest month in Minamata?
August is the warmest month, with average highs of 32 °C and nights around 25 °C. January is the coolest month at 12 °C.
When does it rain most in Minamata?
The wettest month is June with 429 mm of precipitation. The driest month is January with 69 mm.
How many hours of sunshine does Minamata get?
Minamata gets around 1,910 hours of sunshine a year. The sunniest month is August with 6.7 hours a day; in January there are 3.7 hours a day.
What time zone is Minamata in?
Minamata is on UTC+9 all year.
How long is the flight from London to Minamata?
A nonstop flight from London to Minamata 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 Minamata?
Minamata 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 Minamata?
Minamata has its best school-holiday weather during October half-term (score 81) and its weakest during the Christmas holidays (score 21). Holiday ratings (0–100): Easter holidays 27, May half-term 61, summer holidays 70, October half-term 81, Christmas holidays 21.