October weather forecast
Phoenix, AZ

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The city of Phoenix, Arizona at dusk
The city of Phoenix, Arizona at dusk

Weather in October

October in Phoenix is distinguished by diversely agreeable weather, marking the city's transition into vibrant autumn. The heat of summer is exchanged for the milder, cooler temperature spectrum. Compared to September, the city sees a significant drop in the average high temperature, sliding down to 85.1°F (29.5°C). The city begins to reacquaint with mild temperatures, heralding the onset of cooler months. October weather hosts an exquisite blend of warm sunshine and pleasant temperatures which encourage outdoor pursuits.

Temperature

During Phoenix's transition into October, the average high-temperature lessens, moving from a sweltering 96.3°F (35.7°C) in September to a moderately hot 85.1°F (29.5°C). Phoenix, during the month of October, experiences an average low-temperature of 67.3°F (19.6°C).

Humidity

In October, the average relative humidity is 30%.

Rainfall

In Phoenix, in October, during 3 rainfall days, 0.67" (17mm) of precipitation is typically accumulated. Throughout the year, there are 44.6 rainfall days, and 5.04" (128mm) of precipitation is accumulated.

Snowfall

January through August, October through December are months without snowfall.

Daylight

The average length of the day in October is 11h and 20min.
On the first day of the month, sunrise is at 6:23 am and sunset at 6:12 pm. On the last day of October, sunrise is at 6:46 am and sunset at 5:36 pm MST.

Sunshine

The average sunshine in October is 8.2h.

UV index

The average daily maximum UV index in October is 6. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily high UV index of 6 during October translates into the following recommendations:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Updated: Jul 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is October in Phoenix?

Phoenix in October has an average high-temperature of 85.1°F (29.5°C) and an average low-temperature of 67.3°F (19.6°C).

What is the average humidity in October?

In October, the average relative humidity in Phoenix is 30%.

How many days does it rain in October?

In Phoenix, in October, it is raining for 3 days, with typically 0.67" (17mm) of accumulated precipitation.

When it does not snow?

January through August, October through December are months without snowfall.

Does it snow in October?

In October, it doesn't snow. September is the latest month when it typically snows.

How many hours of daylight does Phoenix have in October?

The average day length in October is 11h and 20min.

When is the sunrise / sunset in October?

In October, on the first day of the month, sunrise is at 6:23 am and sunset at 6:12 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 5:36 pm MST.

How long on average sun shines in October?

In October, the average sunshine duration in Phoenix, Arizona, is 8.2h.

How high is the UV index in October?

The average daily maximum UV index in October is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Phoenix, AZ

Average temperature in October - Phoenix, AZ
  • Average high temperature in October: 85.1°F

The warmest month (with the highest average high temperature) is July (103.6°F).
The month with the lowest average high temperature is December (63°F).

  • Average low temperature in October: 67.3°F

The month with the highest average low temperature is August (84.7°F).
The coldest month (with the lowest average low temperature) is January (47.5°F).

Average pressure in October
Phoenix, AZ

Average pressure in October - Phoenix, AZ
  • Average pressure in October: 29.91"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.81"Hg).

Average wind speed in October
Phoenix, AZ

Average wind speed in October - Phoenix, AZ
  • Average wind speed in October: 4.9mph

The windiest month (with the highest average wind speed) is April (6.4mph).
The calmest month (with the lowest average wind speed) is December (4.3mph).

Average humidity in October
Phoenix, AZ

Average humidity in October - Phoenix, AZ
  • Average humidity in October: 30%

The month with the highest relative humidity is December (43%).
The month with the lowest relative humidity is June (16%).

Average rainfall in October
Phoenix, AZ

Average rainfall in October - Phoenix, AZ
  • Average rainfall in October: 0.67"

The wettest month (with the highest rainfall) is July (0.75").
The driest months (with the least rainfall) are May and June (0.08").

Average rainfall days in October
Phoenix, AZ

Average rainfall days in October - Phoenix, AZ
  • Average rainfall days in October: 3 days

The month with the highest number of rainy days is July (7.8 days).
The month with the least rainy days is June (0.8 days).

Average snowfall in October
Phoenix, AZ

Average snowfall in October - Phoenix, AZ
  • Average snowfall in October: 0"

The month with the highest snowfall is September (0.04").
The months with the least snowfall are January, February, March, April, May, June, July, August, October, November and December (0").

Average snowfall days in October
Phoenix, AZ

Average snowfall days in October - Phoenix, AZ
  • Average snowfall days in October: 0 days

The month with the highest number of snowfall days is September (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, October, November and December (0 days).

Average daylight in October /
Average sunshine in October
Phoenix, AZ

Average daylight in October / Average sunshine in October - Phoenix, AZ
  • Average daylight in October: 11h and 2min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in October: 8h and 1min

The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).

Average sunshine days in October
Phoenix, AZ

Average sunshine days in October - Phoenix, AZ
  • Average sunshine days in October: 26.9 days

The month with the most sunshine days is May (29.2 days).
The month with the least sunshine days is July (21.1 days).

Average UV index in October
Phoenix, AZ

Average UV index in October - Phoenix, AZ
  • Average UV index in October: 6

The months with the highest UV index are May, June, July and August (UV index 8).
The month with the lowest UV index is December (UV index 3).

Average cloud cover in October
Phoenix, AZ

Average cloud cover in October - Phoenix, AZ
  • Average cloud cover in October: 9

The month with the most cloud cover is December (Cloud cover 21).
The month with the least cloud cover is June (Cloud cover 5).

Average visibility in October
Phoenix, AZ

Average visibility in October - Phoenix, AZ
  • Average visibility in October: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Phoenix, Arizona, USA

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