Sendai weather in August
Monthly temperatures, rain, humidity, what to wear and what to pack — 2024–2025 historical average
Sendai August weather at a glance
In August, Sendai averages 26.4°C, with typical highs of 30.6°C and lows of 22.9°C. The historical average is 20 wet days and 83% humidity.
Sendai August temperature & humidity
Sendai August rain & wet days
Pack a light rain jacket, waterproof pouch and quick-dry shoes. Keep an indoor stop available between outdoor activities.
What to wear in Sendai in August
Expect intense heat. Pack lightweight quick-dry clothing, sun protection and a refillable bottle. Rain is frequent at roughly 20 days in the month; pack a rain jacket and water-resistant shoes. High humidity makes quick-dry clothing and a spare top especially useful.
- DaytimeBreathable short sleeves, hat and sunscreen · average high 30.6°C
- Morning & eveningLight layer for air-conditioned rooms · average low 22.9°C
- FootwearComfortable walking shoes; quick-dry footwear for rainy days.
Packing essentials
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Sendai August sunrise & sunset times
2026 August · Local time (Asia/Tokyo)
| Date | Sunrise | Sunset | Daylight |
|---|---|---|---|
| 2026-08-01 | 04:39 | 18:47 | 14h 8m |
| 2026-08-15 | 04:51 | 18:31 | 13h 40m |
| 2026-08-31 | 05:05 | 18:09 | 13h 4m |
For sunset photos, arrive before the listed sunset time. Clouds, mountains and buildings can change when the sun becomes visible or disappears.
Calculated for the city coordinates with daylight saving applied. SunCalc · tz-lookup
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Best months to visit Sendai
Bar height shows our simple weather-comfort score, not a safety rating; colour shows temperature.
August weather by year
Daily weather in 2025
Daily high and low temperatures; blue labels show precipitation
Frequently asked questions
What is Sendai weather like in August?
In August, Sendai averages 26.4°C, with typical highs of 30.6°C and lows of 22.9°C. The historical average is 20 wet days and 83% humidity. Our weather-comfort rating for this month is challenging.
Does it rain a lot in Sendai in August?
There are about 20 wet days in August. Pack a rain jacket and water-resistant shoes.
What should I wear in Sendai in August?
Expect intense heat. Pack lightweight quick-dry clothing, sun protection and a refillable bottle. Rain is frequent at roughly 20 days in the month; pack a rain jacket and water-resistant shoes. High humidity makes quick-dry clothing and a spare top especially useful.
What are the best months to visit Sendai?
Recent weather data rates May, June, October, November among the more comfortable months.
Where can I check Sendai weather in August in real time?
Check local webcams for the view right now and a local weather service for today’s forecast. Monthly temperatures here are historical averages.
What time are sunrise and sunset in Sendai in August?
On 2026-08-15, calculated sunrise is 04:51 and sunset is 18:31 in local time (Asia/Tokyo). Times vary by date and terrain.
Sendai weather by month
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Open-Meteo (CC BY 4.0) · 2024–2025 historical data, aggregated and rounded by this site. Not a forecast or long-term climate normal. Calculation method and limitations