Grand Canyon Weather & Forecast

On the river, it's important to be prepared for all types of weather. Although the weather in Grand Canyon is warm and sunny for the most part, Mother Nature will occasionally surprise us with a renewing rainstorm or cooler temperatures. Temperatures can vary, but the following chart shows average temperature and precipitation for the months of March through October. Water temperatures average 50° year round.

Temperatures and Precipitation - Grand Canyon
	MAR	APR	MAY	JUN	JUL	AUG	SEP	OCT
Mean Max. Temp	71	82	92	101	106	103	96	84
Mean Min. Temp.	48	56	63	71	79	75	70	58
Precipitation	.79	.47	.36	.30	.84	1.4	.97	.65

Current Weather Forecast for Marble Canyon, AZ - Departure Point

» Click here for additional Grand Canyon weather forecast information in the canyon and on the rim.

TIP: Since weather conditions can be unpredictable and river water in the Grand Canyon is 52°, we recommend having a two-piece rainsuit available during the day. You may wish to fold it tightly and keep it in your personal day-use dry bag. (See recommended women’s rain gear. See men’s raingear).

See Grand Canyon 6-Day Vacation Overview »