Sugadaira (Nagano): temperature and climate normals

Latest10.2 °COct 9, 2026 20:10 JST

24 h max / min18.3 °C / 2.7 °C

Annual mean (normal)6.6 °Crank 810 of 903

Annual precipitation (normal)1,220.5mmrank 703

Altitude1253 m

Last 24 hours

Mean maxMeanMean min

Month	Mean	Max	Min	≥30°C	Min<0°C	Precip.	Sun	Snow
Jan	-6.2 °C	-1.5 °C	-13.0 °C	0.0days	30.9days	78.0mm	135.5h	82 cm
Feb	-5.6 °C	-0.5 °C	-12.6 °C	0.0days	28.0days	68.7mm	135.9h	100 cm
Mar	-1.8 °C	3.5 °C	-7.9 °C	0.0days	29.4days	80.8mm	161.1h	86 cm
Apr	4.8 °C	10.7 °C	-1.3 °C	0.0days	18.3days	79.7mm	189.8h	42 cm
May	10.7 °C	16.8 °C	4.4 °C	0.0days	4.3days	93.9mm	214.5h	0 cm
Jun	14.7 °C	19.9 °C	9.8 °C	0.0days	0.1days	117.7mm	165.4h	0 cm
Jul	18.8 °C	23.7 °C	14.8 °C	0.0days	0.0days	161.9mm	166.6h	0 cm
Aug	19.5 °C	24.7 °C	15.3 °C	0.2days	0.0days	119.4mm	189.4h	0 cm
Sep	15.3 °C	20.0 °C	11.2 °C	0.0days	0.2days	151.6mm	143.4h	0 cm
Oct	8.9 °C	14.0 °C	4.1 °C	0.0days	6.0days	129.8mm	156.4h	0 cm
Nov	3.0 °C	8.3 °C	-2.4 °C	0.0days	22.5days	64.9mm	155.6h	5 cm
Dec	-3.0 °C	1.8 °C	-8.7 °C	0.0days	30.0days	72.0mm	139.1h	39 cm
Year	6.6 °C	11.8 °C	1.1 °C	0.2days	170.2days	1,220.5mm	1,955.2h	104 cm

For reference: latest 10.2 °C; the Oct mean normal is 8.9 °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.