Grand Canyon National Park
United States UNESCO World Heritage Site
Grand Canyon National Park is a national park in the United States and a UNESCO World Heritage Site. It is also an International Dark Sky Park covering 4863 km2.
Planning a visit
Weather varies throughout the year. The warmest months are July and August, with daily highs of 30 °C and 28 °C. August is also the wettest month, with about 61 mm of rain and 12 rainy days. In contrast, June is the driest month, with about 10 mm of rain and 2 rainy days. The coldest temperatures are found in December and January, when lows reach -6 °C. During the spring and autumn, temperatures are more moderate; for example, April has a high of 16 °C and October has a high of 18 °C.
The park is located 3093 km from Washington, D.C. Travelers can fly into Grand Canyon National Park Airport, which is 12 km away, or use Harry Reid International Airport in Las Vegas, located 272 km from the park. In 2024, about 4.9 million people visited the park. Grand Canyon National Park is the 103rd most looked-up sight in the United States on English Wikipedia.
Weather by month
The warmest month is July, with an average high of 30 °C. The wettest is August, with about 61 mm of rain.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high, °C | 5 | 7 | 11 | 16 | 22 | 28 | 30 | 28 | 25 | 18 | 11 | 5 |
| Average low, °C | -6 | -5 | -2 | 1 | 7 | 12 | 15 | 14 | 11 | 5 | -1 | -6 |
| Rainfall, mm | 44 | 45 | 46 | 28 | 15 | 10 | 40 | 61 | 39 | 36 | 31 | 44 |
| Rainy days | 7 | 5 | 7 | 2 | 4 | 2 | 11 | 12 | 4 | 5 | 3 | 4 |
Temperatures and rainfall: 1981–2010 averages for this spot (4 km grid), from CHELSA. Rainy days: 2015–2024, NASA POWER.
