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October Weather in Phoenix, United States

Last updated: June 24, 2025

In October, the average temperature in Phoenix, United States is a comfortable 13°C (55°F), with a minimum dipping to 1°C (34°F) and a maximum reaching 27°C (81°F). Expect 170 mm (6.7 in) of precipitation spread across about 15 days, accompanied by relatively high humidity at 84%. Whether you're exploring or relaxing, come prepared for a variety of weather conditions!

October Temperature in Phoenix

In October in Phoenix, the average temperature is 13°C (55°F). Maximums can reach 27°C (81°F), while minimums can dip as low as 1°C (34°F). This means that travelers should be prepared for a mix of mild days and cooler nights, making it ideal for layering outfits while exploring.

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 13°C (55°F), with highs reaching up to 27°C (81°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec272935455766737165554032
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 total precipitation amount is 170 mm (6.7 in) over the course of 15 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 170 mm (6.7 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec97999112211910017512487170115114
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 84%. With average temperature 13°C (55°F), this humidity feels like a heavy blanket wrapping around you, making every step feel sluggish and draining for traveling.

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 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%90%87%88%82%79%78%76%78%84%89%86%
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.
JanFebMarAprMayJunJulAugSepOctNovDec3468910997632
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 Weather-3°C (27°F)97 mm (3.8 inches)90%moderate
February Weather-2°C (29°F)98 mm (3.9 inches)90%moderate
March Weather1°C (35°F)91 mm (3.6 inches)87%high
April Weather7°C (46°F)122 mm (4.8 inches)88%very high
May Weather14°C (57°F)119 mm (4.7 inches)82%very high
June Weather19°C (67°F)100 mm (3.9 inches)79%very high
July Weather23°C (73°F)175 mm (6.9 inches)78%very high
August Weather22°C (72°F)124 mm (4.9 inches)76%very high
September Weather18°C (65°F)87 mm (3.4 inches)78%high
October Weather13°C (55°F)170 mm (6.7 inches)84%high
November Weather5°C (41°F)115 mm (4.5 inches)89%moderate
December Weather0°C (33°F)114 mm (4.5 inches)86%low

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