Climate averages 1991–2020
Aira weather
in October.
A warm, wet month: the joint 5th warmest and the 4th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
October is a warm month in Aira: daytime highs average 23.5°C and nights cool to about 16.2°C. By daytime temperature it is the joint 5th warmest of the 12 months.
Expect about 108 mm of rain on roughly 9 days, which makes October a wet month (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 25 min on an average October day.
The nearest other city in this atlas is Kirishima (17 km away). In October its highs average 24.2°C, 0.6°C warmer than Aira, with 114 mm of rain.
Among the 303 cities listed in Japan, Aira ranks 8th of 303 for the warmest October highs and joint 33rd of 303 for the driest October (rainfall, lowest first). The mean October high of those 303 cities is 20.4°C; Aira is 3.2°C warmer than that mean.
From October to November, average highs fall by 5.4°C to 18.1°C, and monthly rainfall rises from 108 mm to 111 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
Aira climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 10.5°C3.8°C | 3.8°C | 81 | 9.6 | 10.310 h |
| February | 11.8°C4.2°C | 4.2°C | 106 | 9.8 | 11.011 h |
| March | 15.1°C6.8°C | 6.8°C | 153 | 12.9 | 12.012 h |
| April | 19.5°C10.8°C | 10.8°C | 182 | 11.5 | 12.913 h |
| May | 23.5°C15.3°C | 15.3°C | 205 | 11.7 | 13.814 h |
| June | 25.8°C19.6°C | 19.6°C | 514 | 19.4 | 14.214 h |
| July | 29.4°C23.6°C | 23.6°C | 336 | 20.0 | 14.014 h |
| August | 30.3°C24.2°C | 24.2°C | 173 | 17.4 | 13.313 h |
| September | 28.0°C21.5°C | 21.5°C | 197 | 14.5 | 12.412 h |
| October, selected | 23.5°C16.2°C | 16.2°C | 108 | 8.6 | 11.411 h |
| November | 18.1°C10.7°C | 10.7°C | 111 | 8.7 | 10.611 h |
| December | 12.7°C5.8°C | 5.8°C | 87 | 7.9 | 10.110 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
- Kirishima in OctoberJapan · 17 kmHigh 24.2°C · Low 16.2°C · 114 mm rain
- Kagoshima in OctoberJapan · 23 kmHigh 23.8°C · Low 18.1°C · 109 mm rain
- Sendai, Japan in OctoberJapan · 28 kmHigh 23.6°C · Low 18.5°C · 109 mm rain
- Miyakonojō in OctoberJapan · 45 kmHigh 23.2°C · Low 16.3°C · 137 mm rain
- Kanoya in OctoberJapan · 50 kmHigh 23.9°C · Low 17.8°C · 120 mm rain
- Miyazaki in OctoberJapan · 79 kmHigh 22.9°C · Low 17.9°C · 174 mm rain
- Honmachi in OctoberJapan · 81 kmHigh 23.0°C · Low 15.8°C · 100 mm rain
- Amakusa in OctoberJapan · 85 kmHigh 23.3°C · Low 17.3°C · 104 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 Aira) is explained once on the Aira year overview and on the Sources, method and limits page.