Climate averages 1991–2020
Okayama weather
in October.
A mild, wet month: the 6th warmest and the 8th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
October is a mild month in Okayama: daytime highs average 21.8°C and nights cool to about 13.8°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 114 mm of rain on roughly 8 days, which makes October a wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 21 min on an average October day.
The nearest other city in this atlas is Kurashiki (17 km away). In October its highs average 21.8°C, about as warm as Okayama, with 121 mm of rain.
Among the 303 cities listed in Japan, Okayama ranks joint 41st of 303 for the warmest October highs and joint 49th of 303 for the driest October (rainfall, lowest first). The mean October high of those 303 cities is 20.4°C; Okayama is 1.5°C warmer than that mean.
From October to November, average highs fall by 5.5°C to 16.3°C, and monthly rainfall falls from 114 mm to 57 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
Okayama climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 8.8°C1.1°C | 1.1°C | 40 | 5.5 | 10.110 h |
| February | 9.8°C1.3°C | 1.3°C | 49 | 6.5 | 10.911 h |
| March | 13.3°C4.0°C | 4.0°C | 92 | 9.3 | 11.912 h |
| April | 18.4°C9.0°C | 9.0°C | 108 | 9.7 | 13.013 h |
| May | 22.9°C14.1°C | 14.1°C | 124 | 9.9 | 14.014 h |
| June | 25.9°C18.6°C | 18.6°C | 172 | 12.2 | 14.414 h |
| July | 29.6°C23.0°C | 23.0°C | 187 | 13.5 | 14.214 h |
| August | 31.0°C24.2°C | 24.2°C | 108 | 10.3 | 13.513 h |
| September | 27.2°C20.2°C | 20.2°C | 167 | 10.8 | 12.412 h |
| October, selected | 21.8°C13.8°C | 13.8°C | 114 | 7.7 | 11.311 h |
| November | 16.3°C8.0°C | 8.0°C | 57 | 6.1 | 10.410 h |
| December | 11.0°C3.1°C | 3.1°C | 46 | 5.3 | 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
- Kurashiki in OctoberJapan · 17 kmHigh 21.8°C · Low 15.0°C · 121 mm rain
- Takamatsu in OctoberJapan · 37 kmHigh 20.9°C · Low 16.0°C · 146 mm rain
- Marugame in OctoberJapan · 43 kmHigh 20.8°C · Low 15.8°C · 134 mm rain
- Tsuyama in OctoberJapan · 45 kmHigh 21.2°C · Low 12.6°C · 113 mm rain
- Fukuyama in OctoberJapan · 55 kmHigh 22.0°C · Low 14.6°C · 105 mm rain
- Tatsuno in OctoberJapan · 59 kmHigh 21.0°C · Low 15.3°C · 144 mm rain
- Onomichi in OctoberJapan · 72 kmHigh 21.5°C · Low 14.3°C · 105 mm rain
- Himeji in OctoberJapan · 72 kmHigh 21.1°C · Low 14.9°C · 151 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 Okayama) is explained once on the Okayama year overview and on the Sources, method and limits page.