Ready-made plans

Custom planning is temporarily unavailable for this route. Ready-made plans are still available.

Best Time for Hokkaidō Summer Road Loop

Last updated: 2026-09-21

Preferred months for this journey: May, June, July, August, September. Check the seasonal notes before choosing your dates.

Use the published road season and check current roads, weather, public access and every optional activity separately.

Month	Low	High	Rain	Daylight
January	−10.3°C	−4.4°C	85 mm	9.1 h	❄
February	−10.4°C	−3.7°C	70 mm	10.2 h	❄
March	−6.5°C	0.1°C	64 mm	11.6 h	❄
April	−0.8°C	7.1°C	60 mm	13.2 h	❄
May	5.1°C	14.2°C	74 mm	14.5 h
June	10.4°C	18.9°C	83 mm	15.2 h
July	14.7°C	22.6°C	123 mm	14.9 h
August	16.0°C	23.5°C	156 mm	13.8 h
September	12.0°C	19.6°C	130 mm	12.3 h
October	5.2°C	12.7°C	111 mm	10.8 h
November	−1.2°C	4.8°C	115 mm	9.5 h	❄
December	−7.6°C	−2.3°C	112 mm	8.8 h	❄