Ready-made plans

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

Best Time for Southwest Parks & Navajo Nation Grand Circle

Last updated: 2026-09-20

Preferred months for this journey: April, May, September, October. Check the seasonal notes before choosing your dates.

The main paved loop avoids the most dangerous summer heat and the least reliable winter road period. Zion shuttles, Bryce snow, Navajo Nation park access, Grand Canyon conditions and desert heat remain exact-date checks.

Month	Low	High	Rain	Daylight
January	−3.2°C	8.2°C	23 mm	9.7 h	❄
February	−1.9°C	10.7°C	24 mm	10.6 h	❄
March	1.6°C	16.2°C	17 mm	11.7 h	❄
April	5.1°C	20.8°C	12 mm	13.0 h	❄
May	10.4°C	26.8°C	10 mm	14.0 h
June	16.6°C	34.0°C	5 mm	14.5 h
July	20.8°C	35.7°C	27 mm	14.3 h
August	19.4°C	33.9°C	29 mm	13.4 h
September	14.8°C	29.8°C	20 mm	12.2 h
October	7.4°C	21.9°C	22 mm	11.0 h
November	1.0°C	14.2°C	15 mm	10.0 h	❄
December	−3.3°C	7.7°C	22 mm	9.5 h	❄