Best Time to Visit Grand Canyon for Hiking – May Scores 91/100

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Outdoor activities Potential

91/100

Excellent

Based on optimal climate

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Seasonality

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Best Time

May, October, September

Avoid

January, February, July, December

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Weather

2°C – 24°C

Avg Temp Range

Precipitation

Generally dry

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Good For

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🥾 Planning a hiking trip to Grand Canyon?

The best time to visit Grand Canyon for hiking is May, October, September, when trail conditions are most favorable and the weather is more stable.

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Climate Heatmap

See at a glance which months offer the best outdoor activities conditions — based on temperature, rainfall and climate scores.

Summer offers the most reliable hiking conditions in Grand Canyon, with open trails and longer daylight hours.

→ See where to stay in Grand Canyon

Outdoor activities conditions breakdown

Monthly weather & climate data for Grand Canyon

Month	Climate Score	Predictability	Avg Temp	Max Temp	Rain (mm)	Rain Days	Humidity	Season
January	48Poor Cool temperatures. Mostly dry conditions.	Predictability 100Weather conditions are fairly consistent throughout the year.	2°	9°	40	5.4	60%	dry
February	47Poor Cool temperatures. Mostly dry conditions.	Predictability 100Weather conditions are fairly consistent throughout the year.	4°	11°	35	5.5	53%	dry
March	54Suboptimal Cool temperatures. Mostly dry conditions.	Predictability 100Weather conditions are fairly consistent throughout the year.	7°	15°	30	5	48%	dry
April	77Good Cool temperatures. Mostly dry conditions.	Predictability 100Weather conditions are fairly consistent throughout the year.	10°	18°	16	3.7	37%	dry
May	91Excellent Mild temperatures. Mostly dry conditions.	Predictability 100Weather conditions are fairly consistent throughout the year.	15°	24°	17	3.4	30%	dry
June	45Poor Mild temperatures. Mostly dry conditions.	Predictability 100Weather conditions are fairly consistent throughout the year.	21°	30°	9	2.5	25%	dry
July	63Suboptimal Warm temperatures. Mostly dry conditions.	Predictability 100Weather conditions are fairly consistent throughout the year.	24°	33°	32	6.3	37%	dry
August	70Good Warm temperatures. Mostly dry conditions.	Predictability 60Weather conditions vary somewhat by season.	23°	31°	41	7.3	43%	dry
September	86Excellent Mild temperatures. Mostly dry conditions.	Predictability 60Weather conditions vary somewhat by season.	19°	28°	26	5.3	42%	dry
October	88Excellent Cool temperatures. Mostly dry conditions.	Predictability 60Weather conditions vary somewhat by season.	13°	21°	33	4.1	43%	dry
November	55Suboptimal Cool temperatures. Mostly dry conditions.	Predictability 100Weather conditions are fairly consistent throughout the year.	6°	14°	22	3.4	51%	dry
December	49Poor Cool temperatures. Mostly dry conditions.	Predictability 100Weather conditions are fairly consistent throughout the year.	2°	9°	31	5.3	60%	dry