Climate averages 1991–2020
Ichinoseki weather
in October.
A mild, wet month: the 6th warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
October is a mild month in Ichinoseki: daytime highs average 17.7°C and nights cool to about 9.3°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 122 mm of rain on roughly 10 days, which makes October a wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 13 min on an average October day.
The nearest other city in this atlas is Tome (23 km away). In October its highs average 18.2°C, about as warm as Ichinoseki, with 126 mm of rain.
Among the 303 cities listed in Japan, Ichinoseki ranks 274th of 303 for the warmest October highs and 63rd of 303 for the driest October (rainfall, lowest first). The mean October high of those 303 cities is 20.4°C; Ichinoseki is 2.6°C cooler than that mean.
From October to November, average highs fall by 6.2°C to 11.6°C, and monthly rainfall falls from 122 mm to 64 mm.
The annual picture
October 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
Ichinoseki climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 2.6°C-5.2°C | -5.2°C | 51 | 8.9 | 9.810 h |
| February | 3.6°C-5.0°C | -5.0°C | 46 | 8.4 | 10.711 h |
| March | 7.9°C-1.7°C | -1.7°C | 87 | 11.7 | 11.912 h |
| April | 14.3°C3.5°C | 3.5°C | 92 | 11.6 | 13.213 h |
| May | 19.3°C9.2°C | 9.2°C | 104 | 11.6 | 14.314 h |
| June | 22.4°C14.0°C | 14.0°C | 115 | 12.1 | 14.815 h |
| July | 25.7°C18.4°C | 18.4°C | 156 | 15.9 | 14.615 h |
| August | 26.9°C19.8°C | 19.8°C | 142 | 14.7 | 13.714 h |
| September | 23.3°C16.1°C | 16.1°C | 149 | 12.9 | 12.512 h |
| October, selected | 17.7°C9.3°C | 9.3°C | 122 | 10.3 | 11.211 h |
| November | 11.6°C2.9°C | 2.9°C | 64 | 9.4 | 10.110 h |
| December | 5.3°C-1.9°C | -1.9°C | 58 | 10.1 | 9.59 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
October in nearby cities
- Tome in OctoberJapan · 23 kmHigh 18.2°C · Low 10.4°C · 126 mm rain
- Ōshū in OctoberJapan · 25 kmHigh 17.5°C · Low 9.3°C · 120 mm rain
- Ōsaki in OctoberJapan · 39 kmHigh 18.2°C · Low 9.9°C · 141 mm rain
- Kitakami in OctoberJapan · 41 kmHigh 16.7°C · Low 8.6°C · 128 mm rain
- Hanamaki in OctoberJapan · 52 kmHigh 16.6°C · Low 8.4°C · 126 mm rain
- Ishinomaki in OctoberJapan · 57 kmHigh 18.2°C · Low 13.6°C · 140 mm rain
- Yokote in OctoberJapan · 67 kmHigh 17.0°C · Low 9.0°C · 144 mm rain
- Sendai in OctoberJapan · 76 kmHigh 18.2°C · Low 11.6°C · 141 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 Ichinoseki) is explained once on the Ichinoseki year overview and on the Sources, method and limits page.