AI-generatedTsu at a glance
- Best time
- Apr – Jun, Oct – Nov
- Warmest month
- Aug · 32°
- Warmest sea
- Aug · 27.7°
- Sunshine a year
- 2,110 h
- Rain a year
- 1,630 mm
- Climate
- Temperate
- Time zone
- UTC+9
- Elevation
- 1 m
Climate in Tsu
Tsu 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 10 °C. With around 2,110 hours of sunshine a year, Tsu is moderately sunny; August is the sunniest month with 7.1 hours a day.
Holiday weather through the year
Best time to visit Tsu
The best time to visit Tsu is from April to June and from October to November. In October, though, the typhoon season is at its peak: check the forecast before you go. The sea reaches 27.7 °C in August, but rain or cool air gets in the way of a classic beach holiday. For sightseeing, day trips and hiking, conditions are most comfortable from April to May and from October to November. Rain is frequent from July to September; the wettest month is July with 215 mm.
Tsu through the seasons
How the weather changes over the seasons, with averages for each.
Tsu in spring
Mar – May
Good
- 14–23 °C by day
- Sea 16 °C
- 6.3 h of sun a day
- 32 rainy days in all
Tsu in summer
Jun – Aug
Fair
- 26–32 °C by day
- Sea 25 °C
- 5.9 h of sun a day
- 45 rainy days in all
Tsu in autumn
Sep – Nov
Good
- 17–28 °C by day
- Sea 23 °C
- 5.4 h of sun a day
- 32 rainy days in all
Tsu in winter
Dec – Feb
Fair
- 10–12 °C by day
- Sea 14 °C
- 5.4 h of sun a day
- 18 rainy days in all
Which month for what?
Beach & swimming
No month
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
Apr – May, Oct – Nov
15–28 °C and not too much rain
Rainy months
Jul – Sep
Rainy season or more than 12 rainy days
Find your perfect month
Tell us what you like and we rate every month in Tsu for you.
Your best months: 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: April – June, October – November
October is the peak of the typhoon season Hurricane season
Where to go in OctoberSea temperature in October
Good forSightseeing & walks
Keep in mindStorm season
A typical day in October
- Morning, 08:00: about 19°
- Midday, 13:00: about 23°
- Afternoon, 16:00: about 22°
- Evening, 20:00: about 19°
- Night, 23:00: about 18°
05:5817:21
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 05:43–06:32 · evening 16:47–17:36
- Blue hour
- Morning 05:33–05:43 · evening 17:36–17:46
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 Tsu compared with home
Loading the climate at home …
Early or late October?
In October, daytime highs fall from about 25° at the start of the month to 20° at the end. The sea cools from 24° to 21°. The days get 1.0 h shorter.
| October | 1 Oct | 31 Oct |
|---|---|---|
| Daytime high | 25° | 20° |
| Night-time low | 18° | 13° |
| Sea | 24° | 21° |
| Daylight | 11.9 h | 10.9 h |
What is the weather like in Tsu in October?
In October, Tsu is warm: daytime highs average 23 °C, and nights cool down to about 16 °C. The sea averages 22.6 °C – refreshing for a swim. Expect around 5.3 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 182 mm in total. All in all, October is a good month for a holiday in Tsu.
More details for October
- Daylight
- 11 h 22 min05:58 – 17:21
- UV index
- 5 · moderateclear sky, noon (estimate)All months
- Muggy days
- 5 daysdew point 18 °C or moreAll months
- Wind
- 17 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 %38 %
- Few rainy daysweight 30 %54 %
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 Tsu
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
October and April bring similar holiday weather to Tsu (score 74 and 78). In April, days are 4 °C cooler than in October. The sea is 7 °C cooler in April. April has one rainy day fewer. The sun shines an hour longer a day in April.
| Month | October | April |
|---|---|---|
| Holiday weather score | 74 | 78 |
| Daytime high | 23° | 19° |
| Night-time low | 16° | 10° |
| Sea | 22.6° | 15.2° |
| Sunshine | 5.3 h | 6.4 hbetter |
| Rainy days | 11 | 10better |
| Rainfall | 182 mm | 132 mmbetter |
| Muggy days | 5 | 0better |
Based on the climate averages 1996–2025.
Tsu month by month
The typical weather for every month at a glance.
43January10° · Sea 14° · 5.3 h
In January, Tsu is cold: daytime highs average 10 °C, and nights cool down to about 3 °C. The sea averages 13.5 °C – swimming is only for the hardy. Expect around 5.3 hours of sunshine a day. Rain falls on about 6 days, adding up to 57 mm. All in all, January is a so-so month for a holiday in Tsu.
Tsu in January43February10° · Sea 13° · 5.5 h
In February, Tsu is cool: daytime highs average 10 °C, and nights cool down to about 3 °C. The sea averages 12.7 °C – swimming is only for the hardy. Expect around 5.5 hours of sunshine a day. Rain falls on about 7 days, adding up to 64 mm. All in all, February is a so-so month for a holiday in Tsu.
Tsu in February54March14° · Sea 13° · 6.0 h
In March, Tsu is cool: daytime highs average 14 °C, and nights cool down to about 5 °C. The sea averages 13.2 °C – swimming is only for the hardy. Expect around 6.0 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 116 mm in total. All in all, March is a so-so month for a holiday in Tsu.
Tsu in March78April19° · Sea 15° · 6.4 h
In April, Tsu is mild: daytime highs average 19 °C, and nights cool down to about 10 °C. The sea averages 15.2 °C – swimming is only for the hardy. Expect around 6.4 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 132 mm in total. All in all, April is a good month for a holiday in Tsu.
Tsu in April76May23° · Sea 19° · 6.4 h
In May, Tsu is warm: daytime highs average 23 °C, and nights cool down to about 16 °C. The sea averages 18.5 °C – bracing, so a wetsuit helps for longer swims. Expect around 6.4 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 163 mm in total. All in all, May is a good month for a holiday in Tsu.
Tsu in May64June26° · Sea 22° · 4.9 h
In June, Tsu is warm: daytime highs average 26 °C, and even at night it stays warm at around 20 °C. The sea averages 22.0 °C – refreshing for a swim. Expect around 4.9 hours of sunshine a day. It rains often – on about 14 days, adding up to 194 mm. The air is often humid and muggy. All in all, June is a good month for a holiday in Tsu.
Tsu in June41July31° · Sea 26° · 5.8 h
In July, Tsu is hot: daytime highs average 31 °C, and even at night it stays warm at around 24 °C. The sea averages 25.8 °C – pleasant for swimming. Expect around 5.8 hours of sunshine a day. It rains often – on about 16 days, adding up to 215 mm. On about 19 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, July is a so-so month for a holiday in Tsu.
Tsu in July41August32° · Sea 28° · 7.1 h
In August, Tsu is hot: daytime highs average 32 °C, and even at night it stays warm at around 25 °C. The sea averages 27.7 °C – lovely and warm for swimming. The sun shines for around 7.1 hours a day. It rains often – on about 15 days, adding up to 156 mm. On about 24 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, August is a so-so month for a holiday in Tsu.
Tsu in August59September28° · Sea 26° · 5.5 h
In September, Tsu is hot: daytime highs average 28 °C, and even at night it stays warm at around 22 °C. The sea averages 26.1 °C – lovely and warm for swimming. Expect around 5.5 hours of sunshine a day. It rains often – on about 14 days, adding up to 203 mm. On about 8 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 Tsu.
Tsu in September74October23° · Sea 23° · 5.3 h
In October, Tsu is warm: daytime highs average 23 °C, and nights cool down to about 16 °C. The sea averages 22.6 °C – refreshing for a swim. Expect around 5.3 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 182 mm in total. All in all, October is a good month for a holiday in Tsu.
Tsu in October78November17° · Sea 19° · 5.5 h
In November, Tsu is mild: daytime highs average 17 °C, and nights cool down to about 10 °C. The sea averages 19.4 °C – bracing, so a wetsuit helps for longer swims. Expect around 5.5 hours of sunshine a day. Rain falls on about 7 days, adding up to 90 mm. All in all, November is a good month for a holiday in Tsu.
Tsu in November55December12° · Sea 16° · 5.5 h
In December, Tsu is cool: daytime highs average 12 °C, and nights cool down to about 5 °C. The sea averages 16.1 °C – swimming is only for the hardy. Expect around 5.5 hours of sunshine a day. Rain falls on about 6 days, adding up to 58 mm. All in all, December is a so-so month for a holiday in Tsu.
Tsu 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 Tsu
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 16°. Ideal for sleeping, often with the window open. Muggy on about 5 days (dew point 18 °C or more).
The coolest nights are in January (3°), 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 March, so the room should be heated. It is muggy (dew point 18 °C or more) on about 110 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 | 43 | 10° | 3° | 13.5° | 5.3 h | 6 | 57 |
| FebruaryFeb | 43 | 10° | 3° | 12.7° | 5.5 h | 7 | 64 |
| MarchMar | 54 | 14° | 5° | 13.2° | 6.0 h | 10 | 116 |
| AprilApr | 78 | 19° | 10° | 15.2° | 6.4 h | 10 | 132 |
| MayMay | 76 | 23° | 16° | 18.5° | 6.4 h | 11 | 163 |
| JuneJun | 64 | 26° | 20° | 22.0° | 4.9 h | 14 | 194 |
| JulyJul | 41 | 31° | 24° | 25.8° | 5.8 h | 16 | 215 |
| AugustAug | 41 | 32° | 25° | 27.7° | 7.1 h | 15 | 156 |
| SeptemberSep | 59 | 28° | 22° | 26.1° | 5.5 h | 14 | 203 |
| OctoberOct | 74 | 23° | 16° | 22.6° | 5.3 h | 11 | 182 |
| NovemberNov | 78 | 17° | 10° | 19.4° | 5.5 h | 7 | 90 |
| DecemberDec | 55 | 12° | 5° | 16.1° | 5.5 h | 6 | 58 |
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
34.73° N, 136.52° E · 1 m · Asia/Tokyo
Sea temperature
Sea temperature in Tsu
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 21.7 – 23.5 °C
Swimming season: Jun – Oct
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in Tsu ranges from 12.7 °C in February to 27.7 °C in August. It is warm enough for a comfortable swim (20 °C and more) from June to October.
From November to February 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 26.9 and 28.6 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 13.5° | 10.8° | 17.0° | cold |
| FebruaryFeb | 12.7° | 10.0° | 15.9° | cold |
| MarchMar | 13.2° | 11.0° | 16.0° | cold |
| AprilApr | 15.2° | 13.7° | 16.6° | cold |
| MayMay | 18.5° | 17.4° | 19.3° | fresh |
| JuneJun | 22.0° | 21.2° | 23.1° | refreshing |
| JulyJul | 25.8° | 24.2° | 27.2° | pleasant |
| AugustAug | 27.7° | 26.9° | 28.6° | warm |
| SeptemberSep | 26.1° | 24.6° | 27.3° | warm |
| OctoberOct | 22.6° | 21.7° | 23.5° | refreshing |
| NovemberNov | 19.4° | 18.4° | 20.6° | fresh |
| DecemberDec | 16.1° | 14.1° | 18.5° | cold |
Sunshine
Sunshine hours in Tsu
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 5.3 of 11.4 hours of daylight in Tsu, 46 % of the daylight hours.
Sunshine hours: measured at the weather station 0 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 Tsu: 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, Tsu has about 11 rainy days with 182 mm of rain in total.
UV index
UV index in Tsu
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 5 · moderateAround midday seek shade; use sunscreen, a 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 45 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 Tsu
How breezy and how cloudy Tsu 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 Tsu typically peaks at 17 km/h during the day: Beaufort 3, gentle breeze.
Breezy months for windsurfing and kiting
From Beaufort 4 (20 km/h) the daily breeze is usually enough for windsurfing and often for kiting: Dec – May.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 53 % of the sky over Tsu: variable cloud, with about 5.3 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 Tsu
How often the day gets hot in Tsu (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, Tsu has about 0 hot days, with an average daytime high of 23 °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 Tsu
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Tsu 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.
Tsu has its best school-holiday weather during May half-term (score 74) and its weakest during the summer holidays (score 41).
- 71
Easter holidays
Mar – Apr
Good
- 17 °C by day
- Sea 15 °C
- 6.3 h of sun a day
- 10 rainy days a month
- 74
May half-term
May – Jun
GoodBest holidays
- 24 °C by day
- Sea 19 °C
- 6.1 h of sun a day
- 12 rainy days a month
Good for: Sightseeing & walks
- 41
Summer holidays
Jul – Aug
Fair
- 31 °C by day
- Sea 27 °C
- 6.6 h of sun a day
- 15 rainy days a month
Keep in mind: Frequent rain, Storm season
- 74
October half-term
Oct
Good
- 23 °C by day
- Sea 23 °C
- 5.3 h of sun a day
- 11 rainy days a month
Good for: Sightseeing & walks
Keep in mind: Storm season
- 49
Christmas holidays
Dec – Jan
Fair
- 11 °C by day
- Sea 15 °C
- 5.4 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
Tsu 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
Tsu compared
Put Tsu side by side with another destination.
Tsu vs Suzuka
In October the holiday weather in Tsu and Suzuka is about equally good (score 74 vs 74). During the day it is about as warm in Suzuka as in Tsu. The sea is about equally warm.
| in October | Tsu | Suzuka |
|---|---|---|
| Holiday weather score | 74 | 74 |
| Daytime high | 23° | 23° |
| Sea | 23° | 23° |
| Sunshine | 5 h | 5 h |
| Rainy days | 11 | 11 |
| Best time | Apr – Jun, Oct – Nov | Apr – Jun, Oct – Nov |
Through the year
Best places in the country
Japan in October: the best places
In October, Tsu ranks 11 among the 31 nearest destinations in this country.
- Himeji23°24°76
- 2Nagoya24°75
- 3Okazaki23°75
- 4Nara23°75
- 5Toyota24°75
- 6Kashihara23°75
- 7Kyoto23°75
- 8Osaka24°75
- 11TsuThis page23°23°74
Places nearby
Near Tsu
Other destinations close by.
Places with a similar climate
Places with a climate like Tsu
Destinations whose weather through the year is closest to Tsu's – good alternatives.
Frequently asked questions about Tsu
When is the best time to visit Tsu?
The best time to visit Tsu is from April to June and from October to November. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
How warm is the sea in Tsu?
The sea temperature in Tsu ranges from 12.7 °C in February to 27.7 °C in August. It is warm enough for a comfortable swim (20 °C and more) from June to October.
Can you swim in Tsu in October?
Yes. In October the sea averages 22.6 °C – refreshing for a swim.
What is the warmest month in Tsu?
August is the warmest month, with average highs of 32 °C and nights around 25 °C. January is the coolest month at 10 °C.
When does it rain most in Tsu?
Rain is frequent from July to September; the wettest month is July with 215 mm. The driest month is January with 57 mm.
How many hours of sunshine does Tsu get?
Tsu gets around 2,110 hours of sunshine a year. The sunniest month is August with 7.1 hours a day; in June there are 4.9 hours a day.
What time zone is Tsu in?
Tsu is on UTC+9 all year.
How long is the flight from London to Tsu?
A nonstop flight from London to Tsu 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 Tsu?
Tsu 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 Tsu?
Tsu has its best school-holiday weather during May half-term (score 74) and its weakest during the summer holidays (score 41). Holiday ratings (0–100): Easter holidays 71, May half-term 74, summer holidays 41, October half-term 74, Christmas holidays 49.