Climate at a glance · Sendai
Annual mean13°day and night
Precipitation1364 mma year
Warmest monthAugustavg high 30°
Coldest monthJanuaryavg low -3°
Average temperature by month
High · lowJanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation by month
1364 mm a yearJanFebMarAprMayJunJulAugSepOctNovDec
Monthly averages
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high | 5° | 6° | 11° | 17° | 21° | 25° | 29° | 30° | 26° | 20° | 14° | 8° |
| Avg low | -3° | -2° | 1° | 6° | 11° | 16° | 21° | 22° | 18° | 11° | 5° | 0° |
| Precip, mm | 55 | 65 | 100 | 92 | 141 | 128 | 186 | 181 | 161 | 111 | 71 | 73 |
| Wet days | 12 | 11 | 10 | 10 | 11 | 13 | 19 | 20 | 16 | 11 | 9 | 13 |
| Sunshine | 7.2 h | 7.8 h | 8.3 h | 8.9 h | 8.6 h | 8.7 h | 8.7 h | 9.2 h | 7.7 h | 7.4 h | 7.6 h | 6.3 h |
| Humidity | 71% | 68% | 70% | 71% | 74% | 81% | 82% | 83% | 84% | 79% | 77% | 75% |
| Sea temperature | 11° | 10° | 9° | 11° | 14° | 19° | 24° | 27° | 26° | 22° | 16° | 12° |
| Daylight | 9 h 51 | 10 h 46 | 11 h 58 | 13 h 12 | 14 h 15 | 14 h 47 | 14 h 32 | 13 h 37 | 12 h 26 | 11 h 12 | 10 h 07 | 9 h 33 |
| UV index (clear sky) | 3 | 5 | 7 | 9 | 11 | 11 | 11 | 10 | 8 | 6 | 4 | 3 |
5-year averages (2021–2025) · Open-Meteo historical weather (ERA5)
38.2670°N, 140.8670°E