Iida (Nagano): temperature and climate normals

Latest17.4 °COct 9, 2026 20:10 JST

24 h max / min24.8 °C / 12.8 °C

Annual mean (normal)13.1 °Crank 475 of 903

Annual precipitation (normal)1,688.1mmrank 406

Altitude516 m

Last 24 hours

Mean maxMeanMean min

Month	Mean	Max	Min	≥30°C	Min<0°C	Precip.	Sun	Snow
Jan	1.0 °C	6.7 °C	-3.6 °C	0.0days	27.3days	63.4mm	180.5h	12 cm
Feb	2.3 °C	8.1 °C	-2.7 °C	0.0days	23.2days	78.7mm	172.0h	13 cm
Mar	6.1 °C	12.2 °C	0.6 °C	0.0days	14.6days	139.1mm	187.9h	3 cm
Apr	11.8 °C	18.6 °C	5.9 °C	0.1days	2.0days	141.0mm	193.5h	0 cm
May	16.9 °C	23.6 °C	11.1 °C	1.2days	0.0days	153.8mm	204.5h	0 cm
Jun	20.6 °C	26.5 °C	16.0 °C	3.4days	0.0days	192.0mm	155.7h	0 cm
Jul	24.4 °C	30.0 °C	20.3 °C	17.0days	0.0days	240.1mm	166.2h	0 cm
Aug	25.4 °C	31.6 °C	20.9 °C	23.1days	0.0days	149.4mm	195.2h	0 cm
Sep	21.5 °C	27.2 °C	17.3 °C	7.8days	0.0days	208.6mm	154.6h	0 cm
Oct	15.0 °C	20.9 °C	10.7 °C	0.1days	0.1days	163.3mm	154.0h	0 cm
Nov	8.6 °C	14.8 °C	3.9 °C	0.0days	4.7days	93.4mm	149.9h	0 cm
Dec	3.4 °C	8.9 °C	-1.1 °C	0.0days	20.5days	65.4mm	160.7h	5 cm
Year	13.1 °C	19.1 °C	8.3 °C	52.7days	92.3days	1,688.1mm	2,074.5h	20 cm

For reference: latest 17.4 °C; the Oct mean normal is 15.0 °C (one observation vs a monthly mean).

Normals: JMA 2020 normals (1991–2020 averages). Latest values are observations fetched once a day, not real time.