Grand Canyon weather
in May
“Mild and bright — an underrated time to visit.”
Roughly 5 rainy days across the month, on average.
May is arguably the ideal month at the Grand Canyon. Daytime highs reach 22°C (72°F), nights drop to 7°C (45°F) — cool enough for good sleep, warm enough for comfortable hiking. Rainfall is at its yearly low, skies are typically clear, and the North Rim opens on May 15.
This is when you can visit both rims in one trip without contending with peak summer crowds or monsoon weather. Rim-to-rim hikers begin their season. Book everything six months in advance — even in May, prime South Rim lodging fills up.
What to pack for Grand Canyon in May
- Light layers — a fleece for mornings, T-shirt for midday
- Sun hat with wide brim
- SPF 50+ sunscreen (elevation intensifies UV)
- Sturdy hiking boots
- 3L water reservoir for inner canyon hikes
What to pack for Grand Canyon in May
- →Breathable travel pantsAmazon · shop this
- →Reef-safe sunscreen SPF 50Amazon · shop this
- →Polarized sunglassesAmazon · shop this
- →Universal travel adapterAmazon · shop this
- →Compression packing cubesAmazon · shop this
- →Anti-theft crossbody bagAmazon · shop this
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Where to stay in Grand Canyon
We don't review individual hotels — plenty of people do that well. What we do is send you to compare rooms in Grand Canyon across trusted platforms.
Compare hotels on Booking.com→Things worth doing
North Rim exploration (opens May 15), Bright Angel Trail day hike, Havasu Falls day trip (with permit), sunset at Mather Point, Desert View drive.
Other places with a similar climate right now
Grand Canyon in May — FAQ
Q01Is May a good time to visit Grand Canyon?
Is May a good time to visit Grand Canyon?
Yes — this is one of the best months of the year to visit. In May, Grand Canyon averages a high of 21°C (69°F) and a low of 7°C (45°F), with 24mm of rainfall across roughly 5 rainy days.
Q02What is the average temperature in Grand Canyon in May?
What is the average temperature in Grand Canyon in May?
The average high temperature in Grand Canyon during May is 21°C (69°F), with an average low of 7°C (45°F). These figures are averaged from ten years of daily records (2015–2024, Open-Meteo Archive).
Q03How many rainy days does Grand Canyon have in May?
How many rainy days does Grand Canyon have in May?
Grand Canyon averages approximately 5 rainy days in May, with a total monthly rainfall of about 24mm. This is based on daily precipitation records where days with 1mm or more of rain are counted as rainy days.
Q04What should I pack for Grand Canyon in May?
What should I pack for Grand Canyon in May?
For Grand Canyon in May, pack layered clothing for changing temperatures, a merino base layer for evenings, sunscreen and sunglasses, comfortable walking shoes. These recommendations are based on the ten-year weather averages for this specific month.
Q05How crowded is Grand Canyon in May?
How crowded is Grand Canyon in May?
Tourist crowds in Grand Canyon during May are typically moderate — shoulder season, a sweet spot between crowds and weather. Consider this when planning accommodation — prices track crowd levels closely.