Climate averages 1991–2020
Shikokuchūō weather
in October.
A mild, very 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 Shikokuchūō: daytime highs average 21.8°C and nights cool to about 15.4°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 189 mm of rain on roughly 12 days, which makes October a very wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 22 min on an average October day.
The nearest other city in this atlas is Niihama (23 km away). In October its highs average 21.9°C, about as warm as Shikokuchūō, with 166 mm of rain.
Among the 303 cities listed in Japan, Shikokuchūō ranks joint 41st of 303 for the warmest October highs and 188th of 303 for the driest October (rainfall, lowest first). The mean October high of those 303 cities is 20.4°C; Shikokuchūō is 1.4°C warmer than that mean.
From October to November, average highs fall by 5.3°C to 16.5°C, and monthly rainfall falls from 189 mm to 98 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
Shikokuchūō climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 8.7°C2.9°C | 2.9°C | 80 | 13.7 | 10.210 h |
| February | 9.8°C2.9°C | 2.9°C | 90 | 12.1 | 10.911 h |
| March | 13.5°C5.5°C | 5.5°C | 128 | 13.4 | 12.012 h |
| April | 18.6°C10.2°C | 10.2°C | 142 | 11.9 | 13.013 h |
| May | 23.0°C15.0°C | 15.0°C | 170 | 12.1 | 13.914 h |
| June | 26.1°C19.4°C | 19.4°C | 268 | 16.3 | 14.414 h |
| July | 29.7°C23.7°C | 23.7°C | 265 | 17.5 | 14.214 h |
| August | 30.7°C24.6°C | 24.6°C | 182 | 16.6 | 13.413 h |
| September | 27.1°C21.1°C | 21.1°C | 249 | 15.6 | 12.412 h |
| October, selected | 21.8°C15.4°C | 15.4°C | 189 | 11.9 | 11.411 h |
| November | 16.5°C9.8°C | 9.8°C | 98 | 10.3 | 10.410 h |
| December | 11.1°C5.0°C | 5.0°C | 93 | 12.5 | 9.910 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
- Niihama in OctoberJapan · 23 kmHigh 21.9°C · Low 15.7°C · 166 mm rain
- Saijō in OctoberJapan · 34 kmHigh 22.4°C · Low 16.0°C · 166 mm rain
- Marugame in OctoberJapan · 40 kmHigh 20.8°C · Low 15.8°C · 134 mm rain
- Kochi in OctoberJapan · 47 kmHigh 22.2°C · Low 14.9°C · 230 mm rain
- Imabari in OctoberJapan · 52 kmHigh 21.4°C · Low 16.8°C · 148 mm rain
- Onomichi in OctoberJapan · 59 kmHigh 21.5°C · Low 14.3°C · 105 mm rain
- Fukuyama in OctoberJapan · 59 kmHigh 22.0°C · Low 14.6°C · 105 mm rain
- Takamatsu in OctoberJapan · 61 kmHigh 20.9°C · Low 16.0°C · 146 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 Shikokuchūō) is explained once on the Shikokuchūō year overview and on the Sources, method and limits page.