Grand Canyon National Park
Arizona, USA
Long-term weather forecast
Long-term weather forecast

October weather forecast and climate
Grand Canyon National Park, AZ

A stunning aerial panorama on the famed Horseshoe bend at the iconic Grand Canyon National Park
A stunning aerial panorama on the famed Horseshoe bend at the iconic Grand Canyon National Park
October lies in the cool autumn season when the average high temperature drops to a warm 84°F (28.9°C) around the canyon region. The aforementioned is the last opportunity for tourists to explore the North Rim as it closes during the winter with warm temperatures of 60.1°F (15.6°C).
There are many sunny days in October with a lack of cloud cover as the summer rains disappear by this time. The days are sometimes frosty on the Rims as they become shorter than 11 hours.
Grand Canyon mostly displays orange and red colors, and the autumn season is no exception.

What is the temperature in October in Grand Canyon National Park?

The average high-temperature, in October, in Grand Canyon National Park, Arizona, is 81°F (27.2°C), while the average low-temperature is 55°F (12.8°C).

How much does it rain in Grand Canyon National Park in October?

In Grand Canyon National Park, Arizona, in October, during 2 rainfall days, 0.9" (23.5mm) of precipitation is typically accumulated.

When it does not snow in Grand Canyon National Park?

In Grand Canyon National Park snow does not fall in February through November.

What is the average length of the day in October in Grand Canyon National Park?

In October, the average length of the day in Grand Canyon National Park, Arizona, is 11.2h.

How many hours of sunshine does Grand Canyon National Park have in October?

The average sunshine in October in Grand Canyon National Park is 9h.

What is the UV index intensity in October in Grand Canyon National Park?

The average daily maximum UV index in October in Grand Canyon National Park is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from unsafe exposure to the Sun's UV rays.
Average temperature in October - Grand Canyon National Park, AZ
  • Average high temperature in October: 81°F

The warmest month (with the highest average high temperature) is July (104°F).
Months with the lowest average high temperature are January and December (55°F).

  • Average low temperature in October: 55°F

The month with the highest average low temperature is July (74°F).
The coldest month (with the lowest average low temperature) is January (35°F).

Average rainfall in October - Grand Canyon National Park, AZ
  • Average rainfall in October: 0.9"

The wettest month (with the highest rainfall) is August (1.5").
The driest month (with the lowest rainfall) is June (0.2").

Average rainfall days in October - Grand Canyon National Park, AZ
  • Average rainfall days in October: 2 days

The month with the highest number of rainy days is August (5 days).
Months with the lowest number of rainy days are May and June (1 days).

Average snowfall in October - Grand Canyon National Park, AZ
  • Average snowfall in October: 0"

Months with the highest snowfall are January and December (0.1").
Months with the lowest snowfall are February, March, April, May, June, July, August, September, October and November (0").

Average daylight in October / Average sunshine in October - Grand Canyon National Park, AZ
  • Average daylight in October: 11.2h

The month with the longest days is June (Average daylight: 14.6h).
The month with shortest days is December (Average daylight: 9.7h).

  • Average sunshine in October: 9h

The month with most sunshine is June (Average sunshine: 13h).
Months with least sunshine are January and December (Average sunshine: 7).

Average UV index in October - Grand Canyon National Park, AZ
  • Average UV index in October: 5

Months with the highest UV index are June and July (UV index 11).
The month with the lowest UV index is December (UV index 2).