Tsunan (Niigata): temperature and climate normals

Latest13.8 °COct 9, 2026 20:10 JST

24 h max / min23.4 °C / 10.2 °C

Annual mean (normal)10.9 °Crank 615 of 903

Annual precipitation (normal)1,954.0mmrank 270

Altitude452 m

Last 24 hours

Mean maxMeanMean min

Month	Mean	Max	Min	≥30°C	Min<0°C	Precip.	Sun	Snow
Jan	-1.2 °C	1.8 °C	-4.4 °C	0.0days	29.2days	234.1mm	53.1h	228 cm
Feb	-0.9 °C	2.6 °C	-4.8 °C	0.0days	26.2days	146.9mm	71.4h	271 cm
Mar	2.1 °C	6.3 °C	-2.0 °C	0.0days	22.0days	119.3mm	101.1h	234 cm
Apr	8.0 °C	13.4 °C	3.3 °C	0.0days	4.7days	88.8mm	157.3h	136 cm
May	14.9 °C	20.3 °C	9.8 °C	0.0days	0.0days	97.6mm	196.2h	4 cm
Jun	19.0 °C	23.5 °C	15.1 °C	0.4days	0.0days	130.4mm	145.5h	0 cm
Jul	22.7 °C	26.9 °C	19.3 °C	6.6days	0.0days	199.9mm	136.6h	0 cm
Aug	23.8 °C	28.4 °C	20.1 °C	11.5days	0.0days	172.9mm	178.6h	0 cm
Sep	19.6 °C	24.0 °C	15.9 °C	2.2days	0.0days	181.2mm	124.7h	0 cm
Oct	13.5 °C	17.8 °C	9.6 °C	0.1days	0.0days	165.3mm	120.0h	0 cm
Nov	7.3 °C	11.6 °C	3.5 °C	0.0days	4.0days	161.1mm	99.2h	12 cm
Dec	1.7 °C	5.0 °C	-1.4 °C	0.0days	21.7days	241.3mm	69.5h	118 cm
Year	10.9 °C	15.1 °C	7.0 °C	21.3days	108.1days	1,954.0mm	1,447.0h	271 cm

For reference: latest 13.8 °C; the Oct mean normal is 13.5 °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.