Climate averages 1991–2020
Sendai weather
in July.
A warm, very wet month: the 2nd warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
July is a warm month in Sendai: daytime highs average 24.7°C and nights cool to about 19.4°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 187 mm of rain on roughly 17 days, which makes July a very wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 14 h 33 min on an average July day.
The nearest other city in this atlas is Natori-shi (11 km away). In July its highs average 24.4°C, about as warm as Sendai, with 189 mm of rain.
Among the 303 cities listed in Japan, Sendai ranks 288th of 303 for the warmest July highs and joint 114th of 303 for the driest July (rainfall, lowest first). The mean July high of those 303 cities is 27.9°C; Sendai is 3.2°C cooler than that mean.
From July to August, average highs rise by 1.6°C to 26.2°C, and monthly rainfall falls from 187 mm to 169 mm.
The annual picture
July in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Sendai climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 4.1°C-2.6°C | -2.6°C | 63 | 11.1 | 9.810 h |
| February | 4.9°C-2.9°C | -2.9°C | 49 | 9.3 | 10.711 h |
| March | 8.4°C-0.1°C | -0.1°C | 87 | 11.6 | 11.912 h |
| April | 13.8°C4.7°C | 4.7°C | 94 | 11.2 | 13.213 h |
| May | 18.3°C10.3°C | 10.3°C | 103 | 11.4 | 14.214 h |
| June | 21.2°C15.1°C | 15.1°C | 129 | 13.4 | 14.815 h |
| July, selected | 24.7°C19.4°C | 19.4°C | 187 | 17.3 | 14.515 h |
| August | 26.2°C21.0°C | 21.0°C | 169 | 16.1 | 13.614 h |
| September | 23.3°C17.7°C | 17.7°C | 167 | 14.3 | 12.512 h |
| October | 18.2°C11.6°C | 11.6°C | 141 | 11.0 | 11.211 h |
| November | 12.6°C5.2°C | 5.2°C | 63 | 9.3 | 10.110 h |
| December | 6.9°C0.3°C | 0.3°C | 58 | 11.0 | 9.610 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
July in nearby cities
- Natori-shi in JulyJapan · 11 kmHigh 24.4°C · Low 19.7°C · 189 mm rain
- Ōsaki in JulyJapan · 37 kmHigh 25.8°C · Low 19.0°C · 188 mm rain
- Ishinomaki in JulyJapan · 41 kmHigh 23.7°C · Low 19.8°C · 162 mm rain
- Yamagata in JulyJapan · 44 kmHigh 25.7°C · Low 18.4°C · 189 mm rain
- Tome in JulyJapan · 55 kmHigh 25.8°C · Low 19.0°C · 156 mm rain
- Fukushima in JulyJapan · 67 kmHigh 26.8°C · Low 19.4°C · 193 mm rain
- Ichinoseki in JulyJapan · 76 kmHigh 25.7°C · Low 18.4°C · 156 mm rain
- Yonezawa in JulyJapan · 77 kmHigh 26.6°C · Low 19.4°C · 241 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Sendai) is explained once on the Sendai year overview and on the Sources, method and limits page.