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Koma (Iwate): temperature and climate normals
Latest10.2 °COct 9, 2026 20:10 JST
24 h max / min22.6 °C / 3.9 °C
Annual mean (normal)9.9 °Crank 675 of 903
Annual precipitation (normal)1,178.5mmrank 734
Altitude205 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 | -2.6 °C | 1.5 °C | -7.4 °C | 0.0days | 30.4days | 36.3mm | 91.3h |
| Feb | -2.0 °C | 2.5 °C | -7.1 °C | 0.0days | 27.1days | 38.9mm | 106.0h |
| Mar | 1.9 °C | 6.8 °C | -3.0 °C | 0.0days | 25.5days | 70.3mm | 144.1h |
| Apr | 8.1 °C | 14.1 °C | 2.0 °C | 0.0days | 9.8days | 77.6mm | 166.5h |
| May | 14.2 °C | 20.0 °C | 8.4 °C | 0.3days | 0.4days | 92.7mm | 189.9h |
| Jun | 18.4 °C | 23.6 °C | 13.6 °C | 0.8days | 0.0days | 103.5mm | 164.8h |
| Jul | 22.0 °C | 26.6 °C | 18.2 °C | 5.2days | 0.0days | 180.3mm | 137.8h |
| Aug | 22.9 °C | 27.7 °C | 19.0 °C | 8.7days | 0.0days | 167.5mm | 158.6h |
| Sep | 18.5 °C | 23.7 °C | 14.1 °C | 1.5days | 0.0days | 152.8mm | 135.4h |
| Oct | 11.8 °C | 17.6 °C | 6.3 °C | 0.0days | 2.3days | 107.5mm | 132.3h |
| Nov | 5.5 °C | 10.6 °C | 0.5 °C | 0.0days | 15.3days | 85.4mm | 110.5h |
| Dec | 0.0 °C | 4.0 °C | -4.0 °C | 0.0days | 27.1days | 65.7mm | 89.0h |
| Year | 9.9 °C | 14.9 °C | 5.0 °C | 16.6days | 137.9days | 1,178.5mm | 1,626.2h |
For reference: latest 10.2 °C; the Oct mean normal is 11.8 °C (one observation vs a monthly mean).
Other stations in Iwate
- Taneichi
- Karumai
- Ninohe
- Yamagata
- Kuji
- Araya
- Mt. Okunaka
- Kuzumaki
- Fudai
- Iwate-Matsuo
- Iwaizumi
- Omoto
- Yabukawa
- Shizukuishi
- Morioka
- Kuzakai
- Miyako
- Shiwa
- Kawai
- Hanamaki
Normals: JMA 2020 normals (1991–2020 averages). Latest values are observations fetched once a day, not real time.