Discover the Grand Canyon
You will never forget a trip to the Grand Canyon. This famous national park of America is considered one of the 7 world wonders and is one to add to your bucket list.
Grand Canyon Weather in May
Thinking of visiting Grand Canyon in May? Expect high temperatures reaching 24°C (75°F) during the day, dropping to 6°C (43°F) at night, with minimal rainfall.
Rainfall in Grand Canyon in May
Records from the past 30 years suggest around 5 days of rain, with 15 mm (0.6 in) average for the month. The occasional light shower is possible, but rain is rarely an issue this month.
Temperature in Grand Canyon in May
If you're visiting Grand Canyon in May, expect excellent temperatures with highs of 24°C (75°F) and overnight lows of 6°C (43°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With lows around 6°C (43°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.If you favor pleasant temperatures and minimal rainfall, May is one of the best months to visit Grand Canyon.
Grand Canyon Temperature in May
Min Temperature
6°C (43°F)
Max Temperature
24°C (75°F)
Chance of Rain
15%
Precipitation
15 mm (0.6 in)
Rainy days
5 days
Grand Canyon Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Grand Canyon - and find the best time to visit.
Daily Historical Temperatures
45-year average (1976-2025)
Based on our historical records, temperatures in Grand Canyon typically rise from around 19°C (66°F) at the start of May to approximately 24°C (75°F) by the end. Nights are cold, with lows typically ranging from 1°C (34°F) to 5°C (41°F).
Average temperatures in May
Historical weather records for Grand Canyon in May
Browse day-by-day weather records for Grand Canyon spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Grand Canyon historical weather extremes in May
Our historical data for Grand Canyon spans 1988 to 2026, revealing these weather extremes.
- Grand Canyon recorded its highest May temperature of 32°C (90°F) on May 30, 2002.
- The coldest night in May in Grand Canyon was on May 2, 2008, with a minimum of -11°C (12°F).
Best Places in the United States of America in May
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in May →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Grand Canyon in May
Comfortable temperatures call for an easy wardrobe in May. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Dry conditions mean you won't need to worry about rain protection.
What To Do in Grand Canyon in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling10/10 -
Walking10/10 -
Camping5/10 -
Outdoor sports10/10
Grand Canyon 3-Day Forecast
More climate data for Grand Canyon
See the full Grand Canyon climate overview or explore weather in the United States of America.
Popular in May
Where to go in May - average daytime high across popular destinations.
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Discover the Grand Canyon
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