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Iwakuni (Yamaguchi): temperature and climate normals
Latest19.9 °COct 9, 2026 20:10 JST
24 h max / min27.1 °C / 13.9 °C
Annual mean (normal)15.1 °Crank 301 of 903
Annual precipitation (normal)1,781.4mmrank 358
Altitude41 m
Last 24 hours
Monthly normals: temperature
Monthly precipitation (normal)
Monthly sunshine (normal)
Normals table (1991–2020)
| Month | Mean | Max | Min | ≥30°C | Min<0°C | Precip. | Sun |
|---|---|---|---|---|---|---|---|
| Jan | 4.2 °C | 9.0 °C | 0.1 °C | 0.0days | 16.8days | 54.3mm | 153.7h |
| Feb | 4.9 °C | 9.9 °C | 0.5 °C | 0.0days | 14.7days | 79.9mm | 150.3h |
| Mar | 8.2 °C | 13.5 °C | 3.1 °C | 0.0days | 6.2days | 145.6mm | 181.3h |
| Apr | 13.4 °C | 19.0 °C | 8.0 °C | 0.0days | 0.3days | 172.8mm | 204.4h |
| May | 18.1 °C | 23.7 °C | 12.9 °C | 0.2days | 0.0days | 187.5mm | 220.8h |
| Jun | 21.8 °C | 26.4 °C | 17.9 °C | 2.7days | 0.0days | 274.1mm | 151.8h |
| Jul | 25.9 °C | 30.5 °C | 22.3 °C | 18.1days | 0.0days | 292.1mm | 176.2h |
| Aug | 26.9 °C | 31.9 °C | 23.0 °C | 24.0days | 0.0days | 154.9mm | 217.8h |
| Sep | 23.1 °C | 28.1 °C | 19.0 °C | 8.3days | 0.0days | 182.4mm | 167.0h |
| Oct | 17.3 °C | 22.6 °C | 12.7 °C | 0.0days | 0.0days | 113.7mm | 179.8h |
| Nov | 11.4 °C | 16.8 °C | 6.9 °C | 0.0days | 0.4days | 77.5mm | 159.4h |
| Dec | 6.3 °C | 11.4 °C | 2.1 °C | 0.0days | 8.3days | 62.5mm | 156.5h |
| Year | 15.1 °C | 20.2 °C | 10.7 °C | 53.4days | 46.7days | 1,781.4mm | 2,127.2h |
For reference: latest 19.9 °C; the Oct mean normal is 17.3 °C (one observation vs a monthly mean).
Other stations in Yamaguchi
Normals: JMA 2020 normals (1991–2020 averages). Latest values are observations fetched once a day, not real time.