Oisawa (Yamagata): temperature and climate normals

Latest9.3 °COct 9, 2026 20:10 JST

24 h max / min21.1 °C / 3.4 °C

Annual mean (normal)8.9 °Crank 721 of 903

Annual precipitation (normal)2,719.0mmrank 58

Altitude440 m

Last 24 hours

Mean maxMeanMean min

Month	Mean	Max	Min	≥30°C	Min<0°C	Precip.	Sun	Snow
Jan	-2.3 °C	1.0 °C	-5.7 °C	0.0days	30.5days	345.3mm	26.4h	209 cm
Feb	-2.1 °C	1.8 °C	-6.3 °C	0.0days	27.7days	226.9mm	46.1h	255 cm
Mar	0.6 °C	5.3 °C	-3.8 °C	0.0days	27.9days	185.0mm	94.6h	234 cm
Apr	5.2 °C	11.8 °C	-0.4 °C	0.0days	16.5days	142.3mm	155.8h	159 cm
May	12.1 °C	19.5 °C	5.1 °C	0.2days	1.9days	138.5mm	195.9h	15 cm
Jun	16.9 °C	23.2 °C	11.0 °C	0.4days	0.0days	166.7mm	151.1h	0 cm
Jul	20.9 °C	26.3 °C	16.3 °C	5.9days	0.0days	291.6mm	123.2h	0 cm
Aug	21.8 °C	27.7 °C	17.1 °C	9.7days	0.0days	197.9mm	143.4h	0 cm
Sep	17.5 °C	23.1 °C	12.9 °C	1.2days	0.0days	179.4mm	109.7h	0 cm
Oct	11.0 °C	17.0 °C	6.0 °C	0.0days	1.6days	198.3mm	108.2h	0 cm
Nov	5.1 °C	10.5 °C	0.6 °C	0.0days	14.3days	268.9mm	75.9h	19 cm
Dec	0.1 °C	3.7 °C	-3.1 °C	0.0days	27.3days	364.4mm	35.8h	114 cm
Year	8.9 °C	14.3 °C	4.2 °C	17.4days	147.2days	2,719.0mm	1,263.7h	262 cm

For reference: latest 9.3 °C; the Oct mean normal is 11.0 °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.