Climate averages 1991–2020
Amakusa weather
in October.
A warm, wet month: the joint 5th 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 Amakusa: daytime highs average 23.3°C and nights cool to about 17.3°C. By daytime temperature it is the joint 5th warmest of the 12 months.
Expect about 104 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 Honmachi (38 km away). In October its highs average 23.0°C, about as warm as Amakusa, with 100 mm of rain.
Among the 303 cities listed in Japan, Amakusa ranks 9th of 303 for the warmest October highs and 28th of 303 for the driest October (rainfall, lowest first). The mean October high of those 303 cities is 20.4°C; Amakusa is 3.0°C warmer than that mean.
From October to November, average highs fall by 5.5°C to 17.8°C, and monthly rainfall falls from 104 mm to 101 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
Amakusa climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 10.3°C5.4°C | 5.4°C | 68 | 8.5 | 10.310 h |
| February | 11.5°C5.6°C | 5.6°C | 89 | 9.2 | 11.011 h |
| March | 14.7°C8.1°C | 8.1°C | 131 | 11.5 | 12.012 h |
| April | 19.2°C12.0°C | 12.0°C | 152 | 11.0 | 13.013 h |
| May | 23.3°C16.1°C | 16.1°C | 181 | 11.1 | 13.814 h |
| June | 25.8°C20.1°C | 20.1°C | 445 | 17.4 | 14.214 h |
| July | 29.3°C24.0°C | 24.0°C | 366 | 19.1 | 14.114 h |
| August | 30.8°C25.0°C | 25.0°C | 183 | 15.4 | 13.313 h |
| September | 28.1°C22.1°C | 22.1°C | 197 | 12.7 | 12.412 h |
| October, selected | 23.3°C17.3°C | 17.3°C | 104 | 8.1 | 11.411 h |
| November | 17.8°C12.3°C | 12.3°C | 101 | 8.4 | 10.511 h |
| December | 12.5°C7.5°C | 7.5°C | 81 | 7.4 | 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
- Honmachi in OctoberJapan · 38 kmHigh 23.0°C · Low 15.8°C · 100 mm rain
- Nagasaki in OctoberJapan · 43 kmHigh 22.3°C · Low 18.3°C · 112 mm rain
- Isahaya in OctoberJapan · 45 kmHigh 21.9°C · Low 17.3°C · 112 mm rain
- Ōmura in OctoberJapan · 56 kmHigh 22.5°C · Low 17.8°C · 109 mm rain
- Kumamoto in OctoberJapan · 61 kmHigh 22.5°C · Low 15.1°C · 98 mm rain
- Ōmuta in OctoberJapan · 68 kmHigh 22.4°C · Low 15.5°C · 101 mm rain
- Sendai, Japan in OctoberJapan · 72 kmHigh 23.6°C · Low 18.5°C · 109 mm rain
- Aira in OctoberJapan · 85 kmHigh 23.5°C · Low 16.2°C · 108 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 Amakusa) is explained once on the Amakusa year overview and on the Sources, method and limits page.