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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Coast Brief Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Sendai’s coastal position in northern Honshu gives it a humid subtropical climate with warm, humid summers and cool, snowy winters. The live forecast above shows current conditions, while seasonal averages shift notably through the year.
What is the weather like in Sendai by month?
Sendai’s climate brings clear seasonal shifts. Monthly averages show a cold winter and a warm, rainy summer.
- January: average high 5°C, low -2°C, snowfall common.
- February: similar to January, slightly milder.
- March: average high 10°C, low 1°C, snow decreasing.
- April: spring, highs around 16°C, pleasant.
- May: warm, highs 21°C.
- June: humid, rainy season begins, highs 24°C.
- July: hot and humid, highs 27°C.
- August: hottest, highs 29°C, high humidity.
- September: still warm, typhoon risk, highs 25°C.
- October: mild, highs 19°C.
- November: cool, highs 13°C, first frost.
- December: cold, lows near 0°C, snow possible.
For the latest Australian forecasts, see our weather hub.
Does it snow in Sendai?
Yes, Sendai receives around 120 centimetres of snow annually, mainly from December to February. Snowfall is light to moderate compared to inland areas, but can affect travel. The live forecast above shows current snow conditions.
Which month sees the most rain?
August is typically the wettest month, with about 180 millimetres of rainfall. The rainy season (tsuyu) from early June to mid-July also brings persistent rain. Typhoons may add heavy downpours in September.
How accurate is the 14-day forecast for Sendai?
Long-range forecasts beyond 7 days have moderate accuracy due to weather pattern shifts. They are useful for trends, but check the live forecast above and official JMA updates for reliable planning. For Australian destinations, check our 10-day forecast page.