Sendai Climate by Month
Sendai, Miyagi, Japan
Warm summers and cold winters, with rain spread through the year.
Warm summers and cold winters, with rain spread through the year: that's Sendai's climate in short. August is the warmest month, with highs around 83°F (29°C); January is the coolest at 42°F (6°C), and nights dip to 30°F (-1°C). It gets 49 in (1257 mm) of rain a year, spread across the months.
- Warmest month
- 83°F(29°C)
- Average high, August
- Coldest nights
- 30°F(-1°C)
- Average low, January
- Rain per year
- 49 in(1257 mm)
- No clear rainy season
- Humidity
- 70%
- Sunniest: May
Best and worst months in Sendai
Best for weatherThe most comfortable weather comes in May and June, with highs around 72°F (22°C) and about 4.6 in (117 mm) of rain a month.
Least pleasantJanuary and February are the least pleasant; January is the coldest, with highs of only 42°F (6°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in June.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Sendai weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 42°F(6°C) | 30°F(-1°C) | 1.8 in(46 mm) | 70% | 2.1 |
| FebFebruary | 43°F(6°C) | 30°F(-1°C) | 1.6 in(41 mm) | 67% | 2.7 |
| MarMarch | 49°F(10°C) | 34°F(1°C) | 2.7 in(69 mm) | 55% | 3.7 |
| AprApril | 60°F(16°C) | 43°F(6°C) | 3.8 in(97 mm) | 62% | 4.5 |
| MayMayBest | 69°F(21°C) | 53°F(11°C) | 3.9 in(99 mm) | 66% | 5.0 |
| JunJuneBest | 74°F(23°C) | 61°F(16°C) | 5.3 in(135 mm) | 78% | 4.6 |
| JulJuly | 80°F(27°C) | 68°F(20°C) | 7.0 in(178 mm) | 79% | 4.3 |
| AugAugust | 83°F(29°C) | 71°F(21°C) | 6.2 in(158 mm) | 79% | 4.3 |
| SepSeptember | 77°F(25°C) | 64°F(18°C) | 6.9 in(175 mm) | 75% | 3.4 |
| OctOctober | 68°F(20°C) | 53°F(12°C) | 5.7 in(146 mm) | 73% | 2.8 |
| NovNovember | 57°F(14°C) | 41°F(5°C) | 2.4 in(61 mm) | 67% | 2.1 |
| DecDecember | 47°F(8°C) | 33°F(1°C) | 2.0 in(52 mm) | 71% | 1.8 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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