Climate at a glance · Sendai
Annual mean56°day and night
Precipitation53.70 ina year
Warmest monthAugustavg high 86°
Coldest monthJanuaryavg low 27°
Average temperature by month
High · lowJanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation by month
53.70 in a yearJanFebMarAprMayJunJulAugSepOctNovDec
Monthly averages
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high | 41° | 43° | 52° | 63° | 70° | 77° | 84° | 86° | 79° | 68° | 57° | 46° |
| Avg low | 27° | 28° | 34° | 43° | 52° | 61° | 70° | 72° | 64° | 52° | 41° | 32° |
| Precip, in | 2.17 | 2.56 | 3.94 | 3.62 | 5.55 | 5.04 | 7.32 | 7.13 | 6.34 | 4.37 | 2.80 | 2.87 |
| 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 | 53° | 49° | 48° | 51° | 57° | 66° | 75° | 80° | 79° | 71° | 62° | 54° |
| 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