Grand Canyon Weather, When to Go and Climate Information

(Grand Canyon, Arizona AZ, USA)



The climate and weather in the Grand Canyon is an important factor when deciding to visit this area of Arizona. The driest month of the year is usually in June, while in July and August severe thunderstorms are likely, which makes hiking inadvisable at this time due to the possibility of flash flooding.

Temperatures vary between the Grand Canyon's North and South Rim, with the North Rim being as much as 10 degrees less than at the South Rim. Also temperatures at the bottom of the Rim can be as much as 20 degrees higher than at the top of the Rim.


Summertime in the Grand Canyon brings extremely hot weather, ranging from as much as 37°C / 100°F in June and increasing to an average of 40°C / 104°F in August.

Visitors to the Grand Canyon in the autumn can expect a changeable climate with temperatures averaging 65 degrees on the South Rim. Temperatures vary between the North and South Rims. This is not such a popular time for visitors to the Grand Canyon, although average temperatures in the canyon at this time are around 27°C / 80°F.

January, February and March in the Grand Canyon is the quietest tourist season, with temperatures ranging between 4°C / 40°F on the Rims to 13°C / 55°F at the bottom of the canyon. Snowy weather can be a hazard during this time of the year.

During the months of October through to May, the facilities at the North Rim of the Grand Canyon are not open, although visitors may still use this area and it will be possible to ski, unless the snow closes the roads. The South Rim stays open all year-round, but facilities are limited.


Grand Canyon Weather and Climate Chart (Averages)


The following are the normal daily temperature ranges for Grand Canyon:
Maximum
Minimum

January

19°C / 66°F
5°C / 41°F

February

22°C / 72°F
7°C / 45°F

March

24°C / 75°F
9°C / 48°F

April

29°C / 84°F
13°C / 55°F

May

34°C / 93°F
18°C / 64°F

June

39°C / 102°F
23°C / 73°F

July

41°C / 106°F
27°C / 81°F

August

40°C / 104°F
26°C / 79°F

September

37°C / 99°F
23°C / 73°F

October

31°C / 88°F
16°C / 61°F

November

23°C / 73°F
9°C / 48°F

December

19°C / 66°F
5°C / 41°F