Climate averages 1991–2020
Ōshū weather
in October.
A mild, wet month: the 6th warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
October is a mild month in Ōshū: daytime highs average 17.5°C and nights cool to about 9.3°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 120 mm of rain on roughly 11 days, which makes October a wet month (the 8th 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 Kitakami (17 km away). In October its highs average 16.7°C, 0.8°C cooler than Ōshū, with 128 mm of rain.
Among the 303 cities listed in Japan, Ōshū ranks 279th of 303 for the warmest October highs and joint 60th of 303 for the driest October (rainfall, lowest first). The mean October high of those 303 cities is 20.4°C; Ōshū is 2.8°C cooler than that mean.
From October to November, average highs fall by 6.3°C to 11.3°C, and monthly rainfall falls from 120 mm to 73 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
Ōshū climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 2.0°C-5.5°C | -5.5°C | 59 | 10.8 | 9.810 h |
| February | 3.0°C-5.4°C | -5.4°C | 53 | 10.2 | 10.711 h |
| March | 7.5°C-1.8°C | -1.8°C | 92 | 13.2 | 11.912 h |
| April | 14.1°C3.6°C | 3.6°C | 98 | 13.4 | 13.213 h |
| May | 19.3°C9.3°C | 9.3°C | 110 | 12.4 | 14.314 h |
| June | 22.5°C14.1°C | 14.1°C | 123 | 12.9 | 14.915 h |
| July | 25.7°C18.6°C | 18.6°C | 166 | 16.4 | 14.615 h |
| August | 27.0°C19.9°C | 19.9°C | 153 | 15.2 | 13.714 h |
| September | 23.2°C16.1°C | 16.1°C | 151 | 13.5 | 12.512 h |
| October, selected | 17.5°C9.3°C | 9.3°C | 120 | 11.2 | 11.211 h |
| November | 11.3°C3.0°C | 3.0°C | 73 | 11.7 | 10.110 h |
| December | 4.9°C-1.9°C | -1.9°C | 68 | 12.4 | 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
- Kitakami in OctoberJapan · 17 kmHigh 16.7°C · Low 8.6°C · 128 mm rain
- Ichinoseki in OctoberJapan · 25 kmHigh 17.7°C · Low 9.3°C · 122 mm rain
- Hanamaki in OctoberJapan · 28 kmHigh 16.6°C · Low 8.4°C · 126 mm rain
- Tome in OctoberJapan · 48 kmHigh 18.2°C · Low 10.4°C · 126 mm rain
- Yokote in OctoberJapan · 57 kmHigh 17.0°C · Low 9.0°C · 144 mm rain
- Morioka in OctoberJapan · 62 kmHigh 15.9°C · Low 8.0°C · 110 mm rain
- Ōsaki in OctoberJapan · 64 kmHigh 18.2°C · Low 9.9°C · 141 mm rain
- Daisen in OctoberJapan · 67 kmHigh 17.2°C · Low 9.0°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 Ōshū) is explained once on the Ōshū year overview and on the Sources, method and limits page.