Weather information for the Grand Canyon NP area is provided below. Average temperatures, climate details and current forecasts are included.
The North Rim at about 9,000 feet is the cooler and wetter than the South Rim. It receives more than 25 inches of precipitation a year compared to the South Rim's 16 inches. The inner Canyon is a desert with less than 8" of rain. Temperatures vary widely depending on where you are. The floor of the canyon can reach 120 degrees in June-July, with much cooler temps along the rims. Information provided below is for the South Rim.
| Month | Avg. High |
Avg. Low |
Avg. Precip. |
| January | 38 ° F | 16° F | 3.73 in |
| February | 40 ° F | 17 ° F | 3.42 in |
| March | 44 ° F | 21° F | 3.64 in |
| April | 52 ° F | 26 ° F | 1.47 in |
| May | 61 ° F | 33 ° F | 0.87 in |
| June | 73 ° F | 41 ° F | .46 in |
| July | 77 ° F | 47 ° F | 1.83 in |
| August | 74 ° F | 46 ° F | 2.17 in |
| September | 68 ° F | 40 ° F | 1.76 in |
| October | 57 ° F | 30 ° F | 2.04 in |
| November | 45 ° F | 22 ° F | 1.84 in |
| December | 40 ° F | 17 ° F | 2.47 in |
