Tomakomai (Hokkaido): temperature and climate normals

Latest15.8 °COct 9, 2026 20:10 JST

24 h max / min23.8 °C / 9.4 °C

Annual mean (normal)7.9 °Crank 749 of 903

Annual precipitation (normal)1,239.2mmrank 690

Altitude6 m

Last 24 hours

Mean maxMeanMean min

Month	Mean	Max	Min	≥30°C	Min<0°C	Precip.	Sun	Snow
Jan	-3.6 °C	0.5 °C	-8.1 °C	0.0days	30.5days	38.7mm	142.0h	23 cm
Feb	-3.2 °C	0.9 °C	-7.9 °C	0.0days	27.6days	37.5mm	144.7h	28 cm
Mar	0.5 °C	4.4 °C	-3.7 °C	0.0days	26.7days	53.5mm	165.6h	19 cm
Apr	5.3 °C	9.6 °C	1.3 °C	0.0days	10.1days	75.7mm	173.5h	2 cm
May	10.0 °C	14.1 °C	6.6 °C	0.0days	0.2days	130.8mm	171.9h	0 cm
Jun	14.0 °C	17.3 °C	11.5 °C	0.0days	0.0days	111.6mm	119.7h	0 cm
Jul	18.2 °C	21.0 °C	16.1 °C	0.0days	0.0days	163.5mm	108.1h	0 cm
Aug	20.4 °C	23.4 °C	18.0 °C	0.5days	0.0days	197.5mm	122.2h	0 cm
Sep	17.8 °C	21.7 °C	13.8 °C	0.0days	0.0days	174.9mm	153.1h	0 cm
Oct	11.5 °C	16.2 °C	6.4 °C	0.0days	1.0days	113.2mm	156.0h	0 cm
Nov	4.9 °C	9.2 °C	0.2 °C	0.0days	15.5days	85.7mm	127.1h	3 cm
Dec	-1.2 °C	2.8 °C	-5.4 °C	0.0days	28.6days	56.6mm	127.6h	14 cm
Year	7.9 °C	11.8 °C	4.1 °C	0.6days	140.2days	1,239.2mm	1,711.5h	31 cm

For reference: latest 15.8 °C; the Oct mean normal is 11.5 °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.