Climate averages 1991–2020
Honmachi weather
in October.
A warm, wet month: the 6th warmest and the 5th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
October is a warm month in Honmachi: daytime highs average 23.0°C and nights cool to about 15.8°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 100 mm of rain on roughly 8 days, which makes October a wet month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 24 min on an average October day.
The nearest other city in this atlas is Kumamoto (35 km away). In October its highs average 22.5°C, 0.5°C cooler than Honmachi, with 98 mm of rain.
Among the 303 cities listed in Japan, Honmachi ranks 12th of 303 for the warmest October highs and joint 12th of 303 for the driest October (rainfall, lowest first). The mean October high of those 303 cities is 20.4°C; Honmachi is 2.7°C warmer than that mean.
From October to November, average highs fall by 5.6°C to 17.4°C, and monthly rainfall falls from 100 mm to 96 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
Honmachi climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 9.6°C3.2°C | 3.2°C | 73 | 9.4 | 10.310 h |
| February | 11.1°C3.8°C | 3.8°C | 92 | 10.0 | 11.011 h |
| March | 14.6°C6.9°C | 6.9°C | 133 | 12.4 | 12.012 h |
| April | 19.5°C11.4°C | 11.4°C | 151 | 11.8 | 13.013 h |
| May | 23.8°C16.1°C | 16.1°C | 174 | 11.8 | 13.814 h |
| June | 26.2°C20.2°C | 20.2°C | 428 | 18.3 | 14.214 h |
| July | 29.5°C23.9°C | 23.9°C | 347 | 18.2 | 14.114 h |
| August | 30.8°C24.6°C | 24.6°C | 162 | 16.1 | 13.313 h |
| September | 27.9°C21.5°C | 21.5°C | 174 | 13.2 | 12.412 h |
| October, selected | 23.0°C15.8°C | 15.8°C | 100 | 8.2 | 11.411 h |
| November | 17.4°C10.3°C | 10.3°C | 96 | 8.8 | 10.511 h |
| December | 11.8°C5.1°C | 5.1°C | 83 | 9.0 | 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
- Kumamoto in OctoberJapan · 35 kmHigh 22.5°C · Low 15.1°C · 98 mm rain
- Amakusa in OctoberJapan · 38 kmHigh 23.3°C · Low 17.3°C · 104 mm rain
- Ōmuta in OctoberJapan · 60 kmHigh 22.4°C · Low 15.5°C · 101 mm rain
- Isahaya in OctoberJapan · 64 kmHigh 21.9°C · Low 17.3°C · 112 mm rain
- Nagasaki in OctoberJapan · 72 kmHigh 22.3°C · Low 18.3°C · 112 mm rain
- Ōmura in OctoberJapan · 76 kmHigh 22.5°C · Low 17.8°C · 109 mm rain
- Aira in OctoberJapan · 81 kmHigh 23.5°C · Low 16.2°C · 108 mm rain
- Sendai, Japan in OctoberJapan · 82 kmHigh 23.6°C · Low 18.5°C · 109 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 Honmachi) is explained once on the Honmachi year overview and on the Sources, method and limits page.