Climate averages 1991–2020
Aomori 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 Aomori: daytime highs average 16.6°C and nights cool to about 9.1°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 112 mm of rain on roughly 13 days, which makes October a wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 09 min on an average October day.
The nearest other city in this atlas is Hirosaki (33 km away). In October its highs average 16.4°C, about as warm as Aomori, with 129 mm of rain.
Among the 303 cities listed in Japan, Aomori ranks joint 287th of 303 for the warmest October highs and joint 43rd of 303 for the driest October (rainfall, lowest first). The mean October high of those 303 cities is 20.4°C; Aomori is 3.7°C cooler than that mean.
From October to November, average highs fall by 7.1°C to 9.5°C, and monthly rainfall falls from 112 mm to 87 mm.
The annual picture
October in context
Monthly precipitation
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
Aomori climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | -0.1°C-6.3°C | -6.3°C | 65 | 13.3 | 9.610 h |
| February | 0.8°C-5.9°C | -5.9°C | 66 | 13.1 | 10.611 h |
| March | 4.7°C-3.1°C | -3.1°C | 86 | 15.1 | 11.912 h |
| April | 12.4°C2.7°C | 2.7°C | 86 | 13.5 | 13.313 h |
| May | 18.5°C8.7°C | 8.7°C | 101 | 12.9 | 14.414 h |
| June | 22.4°C13.7°C | 13.7°C | 104 | 12.4 | 15.015 h |
| July | 25.6°C18.4°C | 18.4°C | 158 | 15.3 | 14.815 h |
| August | 26.7°C19.7°C | 19.7°C | 169 | 15.5 | 13.814 h |
| September | 22.9°C15.8°C | 15.8°C | 145 | 13.0 | 12.513 h |
| October, selected | 16.6°C9.1°C | 9.1°C | 112 | 13.0 | 11.211 h |
| November | 9.5°C2.7°C | 2.7°C | 87 | 14.6 | 10.010 h |
| December | 2.6°C-3.4°C | -3.4°C | 82 | 14.6 | 9.39 h |
Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet 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
- Hirosaki in OctoberJapan · 33 kmHigh 16.4°C · Low 8.1°C · 129 mm rain
- Hachinohe in OctoberJapan · 74 kmHigh 17.2°C · Low 9.5°C · 102 mm rain
- Hakodate in OctoberJapan · 107 kmHigh 15.3°C · Low 10.4°C · 114 mm rain
- Morioka in OctoberJapan · 129 kmHigh 15.9°C · Low 8.0°C · 110 mm rain
- Akita in OctoberJapan · 133 kmHigh 17.1°C · Low 11.4°C · 179 mm rain
- Daisen in OctoberJapan · 154 kmHigh 17.2°C · Low 9.0°C · 141 mm rain
- Hanamaki in OctoberJapan · 163 kmHigh 16.6°C · Low 8.4°C · 126 mm rain
- Yokote in OctoberJapan · 167 kmHigh 17.0°C · Low 9.0°C · 144 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 Aomori) is explained once on the Aomori year overview and on the Sources, method and limits page.