October weather forecastGrand Canyon National Park, AZ
October
Weather in October
October introduces cooler weather in Grand Canyon National Park. Fall coats the park in vibrant hues as temperatures average between 55°F (12.8°C) and 81°F (27.2°C). The rainfall levels continue to descend, and scarce instances of precipitation prevail throughout the month. Enjoying fewer daylight hours than September, Grand Canyon revels in the autumn sun. Despite the waning sunlight hours, a hiking adventure can still be comfortably enjoyed.Temperature
The shift from September to October involves a decrease in the average high-temperature, dropping from a hot 93°F (33.9°C) to a warm 81°F (27.2°C). Grand Canyon National Park documents a marked decrease from day to night, with an average low of 55°F (12.8°C) throughout October.Rainfall
In Grand Canyon National Park, in October, it is raining for 2 days, with typically 0.94" (24mm) of accumulated precipitation. In Grand Canyon National Park, during the entire year, the rain falls for 33 days and collects up to 9.69" (246mm) of precipitation.Snowfall
February through November are months without snowfall in Grand Canyon National Park.Daylight
In Grand Canyon National Park, the average length of the day in October is 11h and 15min.On the first day of the month, sunrise is at 6:24 am and sunset at 6:11 pm. On the last day of October, in Grand Canyon National Park, sunrise is at 6:50 am and sunset at 5:33 pm MST.
Sunshine
In Grand Canyon National Park, the average sunshine in October is 9h.UV index
In Grand Canyon National Park, the average daily maximum UV index in October is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: A maximum high UV index of 5 in October translates into the following recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
The 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 least 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).
The months with the least rainy days are May and June (1 days).
Average snowfall in October
Grand Canyon National Park, AZ
- Average snowfall in October: 0"
The months with the highest snowfall are January and December (0.1").
The months with the least 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: 11h and 18min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in October: 9h
The month with the most sunshine is June (Average sunshine: 13h).
The months with the least sunshine are January and December (Average sunshine: 7h).
Average UV index in October
Grand Canyon National Park, AZ
- Average UV index in October: 5
The 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).
