Sendai weather
At 10:30 AM local time it was clear and 20°C (68°F). Mostly light, on-and-off rain; heavier around 7 AM (8.8 mm total). Best months for weather: Oct–Nov. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for Sendai, Kagoshima, Japan.
Current conditions
- Clouds
- 0%
- Chance of rain
- 0%
- Rain
- 0.0 mm/h
Hourly Forecast
Mostly light, on-and-off rain; heavier around 7 AM (8.8 mm total)
Daily Forecast
Best Time to Visit
Peak season Oct–NovOff season Jun–Jul
About Sendai weather
Is it raining in Sendai right now?
No. It’s clear and 20° right now. Mostly light, on-and-off rain; heavier around 7 AM (8.8 mm total).
What’s the weather like in Sendai this week?
Over the next 7 days, expect highs of 17–24° and lows of 11–16°. Rain is likely on 2 of 7 days (Monday, Thursday). The driest day looks like Sunday.
Has it been raining in Sendai lately?
In the past 7 days, Sendai had 2 rainy days and 18.2 mm of rain in total.
What should I pack for Sendai?
For the coming week, bring an umbrella or rain jacket and a warm layer for the evenings.
Sendai weather by month
When is the best time to visit Sendai?
Based on weather alone, the best time to visit Sendai is Oct–Nov, according to NASA's 2001–2025 climate averages. Jun–Jul tends to be the least pleasant. Average highs run from 12°C (54°F) in January to 29°C (85°F) in August.
What is the rainiest month in Sendai?
June is the wettest month, with about 385 mm (15.2 in) of rain on average. January is the driest, with about 78 mm (3.1 in).
What is the hottest month in Sendai?
August is the warmest, with average highs of 29°C (85°F) and lows of 27°C (80°F). January is the coolest, with highs of 12°C (54°F) and lows of 9°C (48°F).
How warm is the sea in Sendai?
The sea is warmest in August at about 30°C (86°F) and coolest in February at about 17°C (63°F). It is comfortable for swimming (22°C or more) in Jun–Nov.
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), sea temperature from Open-Meteo Marine, forecast and current conditions from Open-Meteo. Page updated . How we rate months