Weather in Grand Canyon

In Grand Canyon, 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.

Temperature and Precipitation in 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"

Weather in Grand Canyon: River vs. Rim

Finding the right weather forecast for the River in Grand Canyon can be tricky as most sources will report weather on the Rim of Grand Canyon vs. 5,000 feet lower along the river. That elevation can make a big difference!

Weather conditions on the Colorado River

Weather Forecast on the River »

Use this weather forecast only as a general guide. As your trip will span miles of river, this forecast from the nearest major weather station may not be indicative of the entire region where your trip will take place. Weather in the canyon may vary greatly from any specific forecast.

See Forecast

Pack Your Rain Gear »

Since weather conditions can be unpredictable and river water in the Grand Canyon is 52°, we recommend having a two-piece rain suit available during the day. You may wish to fold it tightly and keep it in your personal day-use dry bag.

See Packing List