Sendai in October

In October, Sendai averages 19°C (65°F) during the day and 11°C (51°F) at night, with around 11 days of rain (150 mm total).

High season

Conditions are comfortable for sightseeing without being sweltering. Plan for unsettled weather and bring rain gear.

October offers comfortable temperatures in Sendai, with some rain to plan around.

19°C
Avg high
11°C
Avg low
11
Rain days
150 mm
Rainfall

How October compares to the rest of the year in Sendai

6th
warmest month of the 12
8th
wettest month of the 12
11%
of yearly rainfall falls in October
11 h 16 min
daylight on the 15th

October is in the middle of the year for warmth in Sendai (6th of 12) and moderately rainy compared to the rest of the year (8th of 12). Daytime temperature runs 2°C above the annual average (17°C). October runs 6°C cooler than September (24°C) and cools 5°C in November (14°C).

October sunrise & sunset in Sendai

🌅
Sunrise (15th)
5:44 AM
🌇
Sunset (15th)
5:00 PM
Day length
11 h 16 min

Times shown for Sendai local time (Asia/Tokyo), calculated for the 15th of October. They shift by a few minutes day to day across the month.

Photography light in Sendai — October

Golden-hour and blue-hour windows for the 15th of October, in Sendai's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).

🌅 Blue hour (AM)
4:44 AM – 5:24 AM
🌄 Golden hour (AM)
5:24 AM – 6:24 AM
🌇 Golden hour (PM)
4:20 PM – 5:20 PM
🌆 Blue hour (PM)
5:20 PM – 6:00 PM
Milky Way galactic core
Poor
Core barely rises (or hasn't yet returned for the season). Consider a different month.

📅 When to book — Sendai in October

Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on October's tier (High season) and Sendai's popularity.

✈ Flights — lead time
2-3 months
Prices are above off-season but not the absolute peak. Tuesday/Wednesday departures are usually cheaper than weekend ones.
🏨 Lodging — lead time
2-3 months
Wide selection still available at this lead time. Premium properties book first; consider 'last-minute deal' availability at 2-week mark if your dates are flexible.

Crowds & pricing — October in Sendai

High season

This is a busy month in Sendai — not the absolute peak, but tourist numbers are clearly elevated. You'll feel it at headline attractions on weekends and in the historic centre, though side streets and lesser-known sights stay manageable. Prices are above off-season but not at their summit. A good week for first-time visitors who want everything open without the worst of the crush.

Why this tier: excellent tourism weather

Sun & mosquito risk — October in Sendai

☀️ UV Index (noon, 15th)
7.7
High
Cover up and apply SPF 30+ for any outdoor activity longer than 30 minutes.
🦟 Mosquito risk
●●○○○
Low
Mosquitoes present but manageable. Pack repellent (DEET 10-20%) for evenings near water.

UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.

Sendai in other months

MonthAvg highAvg lowRainfallRain daysSnow days
January 5°C / 40°F -2°C / 28°F 64 mm 12
February 6°C / 43°F -2°C / 28°F 61 mm 10
March 11°C / 51°F 1°C / 34°F 100 mm 10
April 15°C / 60°F 5°C / 42°F 104 mm 10
May 21°C / 69°F 11°C / 52°F 100 mm 11
June 23°C / 74°F 16°C / 61°F 146 mm 16
July 27°C / 80°F 21°C / 69°F 197 mm 19
August 28°C / 82°F 22°C / 71°F 185 mm 19
September 24°C / 76°F 18°C / 64°F 177 mm 15
October 19°C / 65°F 11°C / 51°F 150 mm 11
November 14°C / 56°F 5°C / 41°F 64 mm 10
December 7°C / 45°F 0°C / 32°F 68 mm 13

Other cities with similar October weather

🌍 See the full ranked list of climate twins for Sendai in October →

Frequently asked questions

How hot is Sendai in October?

In October, Sendai averages a high of 19°C (65°F) and a low of 11°C (51°F) — generally mild and pleasant.

Does it rain a lot in Sendai in October?

October can be fairly wet in Sendai, with about 11 rainy days on average.

Is October a good time to visit Sendai?

October is mild and pleasant. It suits travelers who are comfortable with mild and pleasant weather; check the month-by-month ranking to compare it against the rest of the year.

What should I pack for Sendai in October?

Pack light layers for warm days and cooler evenings, plus a compact umbrella or rain jacket. See the full October packing list for Sendai for a complete, climate-based checklist.

Open Sendai on the interactive map

Check the live 10-day forecast and sunrise/sunset.