Muroran (Hokkaido): temperature and climate normals

Latest17.7 °COct 9, 2026 20:10 JST

24 h max / min21.5 °C / 15.2 °C

Annual mean (normal)8.9 °Crank 719 of 903

Annual precipitation (normal)1,188.9mmrank 730

Altitude40 m

Last 24 hours

Mean maxMeanMean min

Month	Mean	Max	Min	≥30°C	Min<0°C	Precip.	Sun	Snow
Jan	-1.8 °C	0.6 °C	-4.0 °C	0.0days	29.2days	53.6mm	88.3h	19 cm
Feb	-1.6 °C	1.0 °C	-4.0 °C	0.0days	26.4days	44.3mm	123.6h	22 cm
Mar	1.4 °C	4.6 °C	-1.3 °C	0.0days	20.8days	49.9mm	183.7h	18 cm
Apr	6.1 °C	10.1 °C	3.0 °C	0.0days	2.1days	70.0mm	198.9h	3 cm
May	10.7 °C	14.9 °C	7.6 °C	0.0days	0.0days	108.3mm	194.9h	0 cm
Jun	14.4 °C	18.0 °C	11.9 °C	0.0days	0.0days	109.1mm	155.8h	0 cm
Jul	18.5 °C	21.6 °C	16.4 °C	0.1days	0.0days	159.2mm	133.2h	0 cm
Aug	20.6 °C	23.6 °C	18.6 °C	0.7days	0.0days	187.3mm	144.9h	0 cm
Sep	18.4 °C	21.5 °C	15.7 °C	0.1days	0.0days	156.6mm	166.5h	0 cm
Oct	12.9 °C	16.1 °C	9.8 °C	0.0days	0.0days	101.8mm	165.2h	0 cm
Nov	6.4 °C	9.3 °C	3.5 °C	0.0days	4.8days	83.2mm	102.7h	2 cm
Dec	0.5 °C	2.9 °C	-1.8 °C	0.0days	23.0days	65.8mm	71.1h	9 cm
Year	8.9 °C	12.0 °C	6.3 °C	0.8days	106.3days	1,188.9mm	1,728.1h	26 cm

For reference: latest 17.7 °C; the Oct mean normal is 12.9 °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.