AI-generatedSendai at a glance
- Best time
- May – Jun, Aug – Oct
- Warmest month
- Aug · 27°
- Sunshine a year
- 1,840 h
- Rain a year
- 1,354 mm
- Climate
- Continental
- Time zone
- UTC+9
- Elevation
- 53 m
Climate in Sendai
Sendai has warm to hot summers and cold winters with occasional snow. August is the warmest month with average highs of 27 °C, while January is the coolest at 4 °C. With around 1,840 hours of sunshine a year, Sendai is moderately sunny; April is the sunniest month with 6.5 hours a day.
Holiday weather through the year
Weather in October
Holiday weather in October
Good
Best time to visit: May – June, August – October
October is the peak of the typhoon season
Good forSightseeing & walks
Keep in mindStorm season
A typical day in October
- Morning, 08:00: about 15°
- Midday, 13:00: about 18°
- Afternoon, 16:00: about 17°
- Evening, 20:00: about 15°
- Night, 23:00: about 13°
05:4417:00
Cool evenings: pack a jumper or a jacket.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 05:28–06:20 · evening 16:25–17:17
- Blue hour
- Morning 05:17–05:28 · evening 17:17–17:27
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.
What is the weather like in Sendai in October?
In October, Sendai is mild: daytime highs average 18 °C, and nights cool down to about 12 °C. Expect around 5 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 154 mm in total. All in all, October is a good month for a holiday in Sendai.
More details for October
- Daylight
- 11 h 16 min05:44 – 17:00
- UV index
- 4 · moderateclear sky, noon (estimate)All months
- Muggy days
- 1 daydew point 18 °C or moreAll months
- Wind
- 20 km/haverage daily peakAll months
- Cloud cover
- 59 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snowAll months
- Time zone
- UTC+9Asia/Tokyo
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %28 %
- Few rainy daysweight 30 %48 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in October
- Sunscreen
- A jumper for the evenings
- Rain jacket or umbrella
Sunshine hours in Sendai
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 4.7 of 11.3 hours of daylight in Sendai, 42 % of the day.
Sunshine hours: measured at the weather station 3 km away, averages 1991–2020 (WMO climate normals). Daylight is the time from sunrise to sunset on the 15th of the month.
UV index in Sendai
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 4 · moderateAround midday seek shade; use sunscreen, a hat and sunglasses.
The sun is strongest in June (UV 10).
Minutes until sunburn in October
- Very fair skin
- about 30 min
- Fair skin
- about 35 min
- Light brown skin
- about 50 min
- Olive skin
- about 65 min
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen it, 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.
Rain in Sendai: 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, Sendai has about 11 rainy days with 154 mm of rain in total.
Wind and clouds in Sendai
How breezy and how cloudy Sendai 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 Sendai typically peaks at 20 km/h during the day: Beaufort 4, moderate breeze.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 59 % of the sky over Sendai: variable cloud, with about 4.7 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 and humidity in Sendai
How often the day gets hot in Sendai (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, Sendai has about 0 hot days, with an average daytime high of 18 °C: pleasant. Heat plays no part this month.
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
Snow in Sendai
Snow is possible in Sendai, but no month makes it likely: the chance of seeing snow during a week's stay, the days with fresh snow and how much falls. Tap a month to select it.
Snow calendar
- hardly any
- possible
- likely
- very likely
In October, it hardly ever snows in Sendai.
Snow days bring at least 1 cm of fresh snow. Fresh snow comes from ERA5 snowfall (1996–2025) at the height of the place, not on the slopes above it; the snow chance also weighs whether the snow settles. An estimate from climate averages, not a snow report.
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Sendai
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Frost below 0°
- Cold 0–8°
- Cool 8–15°
- Pleasant 15–20°
- Warm 20–24°
- muggy month (10+ muggy days)
CoolOctober: nights around 12°. A duvet at night and a jumper for the evening. Muggy on about 1 days (dew point 18 °C or more).
The coolest nights are in February (−3°), the warmest in August (21°). Tropical nights of 20 °C and more are the rule from July to August; then air conditioning or a fan helps you sleep. Nights are pleasant for sleeping (15 to 20 °C) in June and in September. Nights fall below 8 °C on average from November to April, so the room should be heated. It is muggy (dew point 18 °C or more) on about 78 days a year, mostly from July to September.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|
| JanuaryJan | 26 | 4° | −3° | 4.8 h | 9 | 57 |
| FebruaryFeb | 31 | 5° | −3° | 5.5 h | 8 | 44 |
| MarchMar | 30 | 9° | 0° | 5.8 h | 11 | 92 |
| AprilApr | 57 | 14° | 5° | 6.5 h | 11 | 106 |
| MayMay | 76 | 19° | 11° | 6.2 h | 11 | 116 |
| JuneJun | 67 | 22° | 15° | 4.8 h | 13 | 136 |
| JulyJul | 56 | 25° | 20° | 4.1 h | 17 | 184 |
| AugustAug | 61 | 27° | 21° | 4.7 h | 15 | 167 |
| SeptemberSep | 62 | 24° | 18° | 4.3 h | 15 | 169 |
| OctoberOct | 70 | 18° | 12° | 4.7 h | 11 | 154 |
| NovemberNov | 51 | 13° | 5° | 4.8 h | 8 | 70 |
| DecemberDec | 24 | 7° | 0° | 4.4 h | 9 | 60 |
Climate averages 1996–2025, 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
38.27° N, 140.87° E · 53 m · Asia/Tokyo
Best time to visit Sendai
The best time to visit Sendai is from May to June and from August to October. For sightseeing, day trips and hiking, conditions are most comfortable in May and in October. Rain is most frequent from June to September; the wettest month is July with 184 mm.
Sendai through the seasons
How the weather changes over the seasons, with averages for each.
Sendai in spring
Mar – May
Fair
- 9–19 °C by day
- 6 h of sun a day
- 33 rainy days in all
Sendai in summer
Jun – Aug
Good
- 22–27 °C by day
- 5 h of sun a day
- 45 rainy days in all
Sendai in autumn
Sep – Nov
Good
- 13–24 °C by day
- 5 h of sun a day
- 34 rainy days in all
Sendai in winter
Dec – Feb
Poor
- 4–7 °C by day
- 5 h of sun a day
- 26 rainy days in all
Find your perfect month
Tell us what you like and we rate every month in Sendai for you.
Your best months: June, September
Based on the climate averages; tap a month to see its details.
Compare two months in Sendai
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
May has the better holiday weather in Sendai: score 76 against 70. In May, days are 1 °C warmer than in October. The sun shines 2 hours longer a day in May.
| Month | October | May |
|---|---|---|
| Weather score | 70 | 76better |
| Day high | 18° | 19° |
| Night low | 12° | 11° |
| Sunshine | 4.7 h | 6.2 hbetter |
| Rainy days | 11 | 11 |
| Rainfall | 154 mm | 116 mmbetter |
| Muggy days | 1 | 0better |
Based on the climate averages 1996–2025.
Which month for what?
Beach & swimming
No sea nearby
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
May, Oct
15–28 °C and not too much rain
Rainy months
Jun – Sep
12 or more rainy days
Snow
Jan – Feb
Snow on 2 or more days
Sendai month by month
The typical weather for every month at a glance.
26January4° · 5 h
In January, Sendai is cold: daytime highs average 4 °C, and nights often drop below freezing (−3 °C). Expect around 5 hours of sunshine a day. Rain falls on about 9 days, adding up to 57 mm. Snow falls on about 3 days. All in all, January is not an ideal month for a holiday in Sendai.
Sendai in January31February5° · 6 h
In February, Sendai is cold: daytime highs average 5 °C, and nights often drop below freezing (−3 °C). Expect around 6 hours of sunshine a day. Rain falls on about 8 days, adding up to 44 mm. Snow falls on about 3 days. All in all, February is not an ideal month for a holiday in Sendai.
Sendai in February30March9° · 6 h
In March, Sendai is cold: daytime highs average 9 °C, and nights cool down to about 0 °C. Expect around 6 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 92 mm in total. Snow falls on about 2 days. All in all, March is not an ideal month for a holiday in Sendai.
Sendai in March57April14° · 7 h
In April, Sendai is cool: daytime highs average 14 °C, and nights cool down to about 5 °C. The sun shines for around 7 hours a day. Rain is frequent, with about 11 rainy days and 106 mm in total. All in all, April is a so-so month for a holiday in Sendai.
Sendai in April76May19° · 6 h
In May, Sendai is mild: daytime highs average 19 °C, and nights cool down to about 11 °C. Expect around 6 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 116 mm in total. All in all, May is a good month for a holiday in Sendai.
Sendai in May67June22° · 5 h
In June, Sendai is warm: daytime highs average 22 °C, and nights cool down to about 15 °C. Expect around 5 hours of sunshine a day. Rain is frequent, with about 13 rainy days and 136 mm in total. All in all, June is a good month for a holiday in Sendai.
Sendai in June56July25° · 4 h
In July, Sendai is warm: daytime highs average 25 °C, and nights cool down to about 20 °C. Expect around 4 hours of sunshine a day. It rains often – on about 17 days, adding up to 184 mm. The air is often humid and muggy. All in all, July is a so-so month for a holiday in Sendai.
Sendai in July61August27° · 5 h
In August, Sendai is warm: daytime highs average 27 °C, and even at night it stays warm at around 21 °C. Expect around 5 hours of sunshine a day. It rains often – on about 15 days, adding up to 167 mm. The air is often humid and muggy. All in all, August is a good month for a holiday in Sendai.
Sendai in August62September24° · 4 h
In September, Sendai is warm: daytime highs average 24 °C, and nights cool down to about 18 °C. Expect around 4 hours of sunshine a day. It rains often – on about 15 days, adding up to 169 mm. The air is often humid and muggy. All in all, September is a good month for a holiday in Sendai.
Sendai in September70October18° · 5 h
In October, Sendai is mild: daytime highs average 18 °C, and nights cool down to about 12 °C. Expect around 5 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 154 mm in total. All in all, October is a good month for a holiday in Sendai.
Sendai in October51November13° · 5 h
In November, Sendai is cool: daytime highs average 13 °C, and nights cool down to about 5 °C. Expect around 5 hours of sunshine a day. Rain falls on about 8 days, adding up to 70 mm. All in all, November is a so-so month for a holiday in Sendai.
Sendai in November24December7° · 4 h
In December, Sendai is cold: daytime highs average 7 °C, and nights cool down to about 0 °C. Expect around 4 hours of sunshine a day. Rain is frequent, with about 9 rainy days and 60 mm in total. Snow falls on about 2 days. All in all, December is not an ideal month for a holiday in Sendai.
Sendai in DecemberSendai compared
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Sendai vs. Niigata
In October Sendai has the better holiday weather (score 70 vs. 62). During the day Niigata is 1 °C warmer than Sendai.
| in October | Sendai | Niigata |
|---|---|---|
| Holiday score | 70 | 62 |
| Daytime high | 18° | 19° |
| Sea | – | 22° |
| Sunshine | 5 h | 5 h |
| Rainy days | 11 | 15 |
| Best time | May – Jun, Aug – Oct | May – Jul, Sep – Oct |
Through the year
Japan in October: the best places
In October, Sendai ranks 13 among the 31 nearest destinations in this country.
- Hiroshima22°23°81
- 2Fukuoka22°23°81
- 3Nagasaki23°24°81
- 4Kumamoto23°23°80
- 5Kitakyūshū22°23°79
- 6Okayama22°24°78
- 7Kagoshima24°26°77
- 8Nagoya22°75
- 13SendaiThis page18°70
Planning a trip to Sendai
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Sendai 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.
Sendai has its best school-holiday weather during May half-term (score 74) and its weakest during the Christmas holidays (score 25).
- 49
Easter holidays
Mar – Apr
Fair
- 12 °C by day
- 6.3 h of sun a day
- 11 rainy days a month
- 74
May half-term
May – Jun
GoodBest holidays
- 19 °C by day
- 5.9 h of sun a day
- 11 rainy days a month
Good for: Sightseeing & walks
- 59
Summer holidays
Jul – Aug
Fair
- 26 °C by day
- 4.5 h of sun a day
- 16 rainy days a month
Keep in mind: Frequent rain, Storm season
- 70
October half-term
Oct
Good
- 18 °C by day
- 4.7 h of sun a day
- 11 rainy days a month
Good for: Sightseeing & walks
Keep in mind: Storm season
- 25
Christmas holidays
Dec – Jan
Poor
- 6 °C by day
- 4.6 h of sun a day
- 9 rainy days a month
Keep in mind: Snow
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 11 h 45 min
- Distance
- 9,350 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.
Storm season
Sendai 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); not a forecast.
Frequently asked questions about Sendai
When is the best time to visit Sendai?
The best time to visit Sendai is from May to June and from August to October. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
What is the warmest month in Sendai?
August is the warmest month, with average highs of 27 °C and nights around 21 °C. January is the coolest month at 4 °C.
When does it rain most in Sendai?
Rain is most frequent from June to September; the wettest month is July with 184 mm. The driest month is February with 44 mm.
How many hours of sunshine does Sendai get?
Sendai gets around 1,840 hours of sunshine a year. The sunniest month is April with 6.5 hours a day; in July there are 4.1 hours a day.
What time zone is Sendai in?
Sendai uses the time zone Asia/Tokyo, at UTC+9 all year.
How long is the flight from London to Sendai?
A nonstop flight from London to Sendai takes about 11 h 45 min, for a straight-line distance of about 9,350 km. Most routes need a change of planes, which adds time.
When is typhoon season in Sendai?
Sendai 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 Sendai?
Sendai has its best school-holiday weather during May half-term (score 74) and its weakest during the Christmas holidays (score 25). Holiday ratings (0–100): Easter holidays 49, May half-term 74, Summer holidays 59, October half-term 70, Christmas holidays 25.
Near Sendai
Other destinations close by.
Places with a climate like Sendai
Destinations whose weather through the year is closest to Sendai's – good alternatives.