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Iijima (Nagano): temperature and climate normals
Latest14.8 °COct 9, 2026 20:10 JST
24 h max / min23.7 °C / 11.7 °C
Annual mean (normal)11.2 °Crank 598 of 903
Annual precipitation (normal)2,014.1mmrank 242
Altitude728 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 | -0.7 °C | 4.5 °C | -5.0 °C | 0.0days | 29.5days | 74.5mm | 165.3h |
| Feb | 0.2 °C | 5.9 °C | -4.5 °C | 0.0days | 25.4days | 103.8mm | 162.2h |
| Mar | 4.1 °C | 10.3 °C | -1.1 °C | 0.0days | 19.9days | 180.5mm | 177.8h |
| Apr | 9.8 °C | 16.5 °C | 4.0 °C | 0.0days | 5.1days | 180.7mm | 196.1h |
| May | 14.9 °C | 21.6 °C | 9.3 °C | 0.2days | 0.0days | 200.2mm | 208.9h |
| Jun | 18.6 °C | 24.3 °C | 14.2 °C | 0.6days | 0.0days | 236.6mm | 152.2h |
| Jul | 22.3 °C | 27.9 °C | 18.4 °C | 10.1days | 0.0days | 266.6mm | 159.9h |
| Aug | 23.3 °C | 29.5 °C | 19.1 °C | 15.6days | 0.0days | 155.2mm | 199.0h |
| Sep | 19.4 °C | 25.0 °C | 15.4 °C | 2.2days | 0.0days | 219.8mm | 155.9h |
| Oct | 13.3 °C | 18.9 °C | 9.1 °C | 0.0days | 0.1days | 192.6mm | 160.4h |
| Nov | 7.0 °C | 12.9 °C | 2.5 °C | 0.0days | 8.2days | 123.5mm | 158.7h |
| Dec | 1.8 °C | 7.1 °C | -2.4 °C | 0.0days | 25.1days | 80.2mm | 158.2h |
| Year | 11.2 °C | 17.0 °C | 6.6 °C | 28.7days | 113.4days | 2,014.1mm | 2,054.5h |
For reference: latest 14.8 °C; the Oct mean normal is 13.3 °C (one observation vs a monthly mean).
Other stations in Nagano
- Nozawa Onsen
- Shinano-Machi
- Iiyama
- Hakuba
- Nagano
- Omachi
- Shinshu-Shinmachi
- Sugadaira
- Ueda
- Hotaka
- Tomi
- Karuizawa
- Matsumoto
- Matsumoto-Imai
- Tateshina
- Saku
- Nagawa
- Suwa
- Kaida Highlands
- Tatsuno
Normals: JMA 2020 normals (1991–2020 averages). Latest values are observations fetched once a day, not real time.