Climate averages 1991–2020
Sasebo weather
in October.
A warm, wet month: the 6th warmest and the 5th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
October is a warm month in Sasebo: daytime highs average 22.3°C and nights cool to about 17.2°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 102 mm of rain on roughly 7 days, which makes October a wet month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 23 min on an average October day.
The nearest other city in this atlas is Ōmura (35 km away). In October its highs average 22.5°C, about as warm as Sasebo, with 109 mm of rain.
Among the 303 cities listed in Japan, Sasebo ranks joint 22nd of 303 for the warmest October highs and joint 20th of 303 for the driest October (rainfall, lowest first). The mean October high of those 303 cities is 20.4°C; Sasebo is 2.0°C warmer than that mean.
From October to November, average highs fall by 5.3°C to 17.0°C, and monthly rainfall falls from 102 mm to 90 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
Sasebo climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 9.3°C5.1°C | 5.1°C | 60 | 8.3 | 10.210 h |
| February | 10.5°C5.3°C | 5.3°C | 75 | 8.5 | 11.011 h |
| March | 13.7°C7.7°C | 7.7°C | 118 | 10.5 | 12.012 h |
| April | 18.2°C11.6°C | 11.6°C | 138 | 10.3 | 13.013 h |
| May | 22.4°C15.9°C | 15.9°C | 149 | 10.1 | 13.914 h |
| June | 25.3°C19.9°C | 19.9°C | 308 | 15.7 | 14.314 h |
| July | 28.6°C24.1°C | 24.1°C | 285 | 16.3 | 14.114 h |
| August | 30.1°C25.2°C | 25.2°C | 178 | 14.7 | 13.413 h |
| September | 27.0°C22.0°C | 22.0°C | 186 | 12.3 | 12.412 h |
| October, selected | 22.3°C17.2°C | 17.2°C | 102 | 6.9 | 11.411 h |
| November | 17.0°C12.2°C | 12.2°C | 90 | 8.1 | 10.510 h |
| December | 11.7°C7.3°C | 7.3°C | 69 | 7.5 | 10.010 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
- Ōmura in OctoberJapan · 35 kmHigh 22.5°C · Low 17.8°C · 109 mm rain
- Karatsu in OctoberJapan · 38 kmHigh 22.1°C · Low 16.7°C · 103 mm rain
- Isahaya in OctoberJapan · 47 kmHigh 21.9°C · Low 17.3°C · 112 mm rain
- Nagasaki in OctoberJapan · 49 kmHigh 22.3°C · Low 18.3°C · 112 mm rain
- Saga in OctoberJapan · 54 kmHigh 22.1°C · Low 14.7°C · 108 mm rain
- Itoshima in OctoberJapan · 60 kmHigh 21.7°C · Low 16.6°C · 101 mm rain
- Maebaru-chūō in OctoberJapan · 62 kmHigh 21.6°C · Low 17.0°C · 101 mm rain
- Ōmuta in OctoberJapan · 69 kmHigh 22.4°C · Low 15.5°C · 101 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 Sasebo) is explained once on the Sasebo year overview and on the Sources, method and limits page.