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October Weather in Phoenix, United States

Last updated: June 24, 2025

In October, the average temperature in Phoenix, United States hovers around 10°C (51°F), with a minimum drop as low as -4°C (25°F) and a potential high of 28°C (82°F). Expect 51 mm (2.0 in) of precipitation spread over 7 days, and enjoy an average humidity of 77% that keeps the air feeling fresh!

October Temperature in Phoenix

In October in Phoenix, the average temperature is 10°C (51°F). Maximums can reach 28°C (82°F), while minimums can drop as low as -4°C (25°F). Expect a varied climate ideal for layering your travel wardrobe.

October Weather in Phoenix: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Phoenix, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Phoenix, October typically has an average temperature of 10°C (51°F), with highs reaching up to 28°C (82°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec383742475462696961504237
Data source: Temperature data for Phoenix generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Phoenix

In Phoenix in October, the precipitation amount is 51 mm (2.0 in) over a period of 7 days.

October Precipitation Trends in Phoenix

The chart displays monthly precipitation patterns in Phoenix, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Phoenix, October typically receives around 51 mm (2.0 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec12613611996673249445194106
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Phoenix

In Phoenix in October humidity is 77%. With an average temperature of 10°C (51°F), this humidity feels like a damp chill that can make outdoor activities somewhat uncomfortable, causing clothes to cling to your skin and breathing to feel heavier, which may deter longer sightseeing adventures.

October Average Humidity in Phoenix

This chart illustrates the average monthly humidity levels in Phoenix, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Phoenix is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%85%86%83%83%83%78%67%66%77%87%87%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Phoenix

In Phoenix in October, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Phoenix, you can refer to this Hourly UV Index in Phoenix.

Maximum UV Index Levels in Phoenix for October

The chart shows the monthly maximum UV Index (UVI) for Phoenix in October, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In October, the maximum UV index in Phoenix typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3478111110108642
Data source: Phoenix October UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How October Weather in Phoenix Compares to Other Months

Weather in Phoenix varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Phoenix, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Phoenix, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)125 mm (4.9 inches)84%moderate
February Weather3°C (38°F)136 mm (5.4 inches)85%moderate
March Weather5°C (42°F)119 mm (4.7 inches)86%high
April Weather8°C (47°F)96 mm (3.8 inches)83%very high
May Weather12°C (54°F)67 mm (2.6 inches)83%extreme
June Weather17°C (62°F)32 mm (1.3 inches)83%extreme
July Weather21°C (70°F)4 mm (0.2 inches)78%very high
August Weather20°C (69°F)9 mm (0.4 inches)67%very high
September Weather16°C (61°F)44 mm (1.7 inches)66%very high
October Weather10°C (51°F)51 mm (2.0 inches)77%high
November Weather6°C (43°F)94 mm (3.7 inches)87%moderate
December Weather3°C (37°F)106 mm (4.2 inches)87%low

Compare Phoenix's Climate with Cities Worldwide