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!
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.
In Phoenix in October, the precipitation amount is 51 mm (2.0 in) over a period of 7 days.
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.
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.
UV Risk Categories
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.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 3°C (38°F) | 125 mm (4.9 inches) | 84% | moderate |
February Weather | 3°C (38°F) | 136 mm (5.4 inches) | 85% | moderate |
March Weather | 5°C (42°F) | 119 mm (4.7 inches) | 86% | high |
April Weather | 8°C (47°F) | 96 mm (3.8 inches) | 83% | very high |
May Weather | 12°C (54°F) | 67 mm (2.6 inches) | 83% | extreme |
June Weather | 17°C (62°F) | 32 mm (1.3 inches) | 83% | extreme |
July Weather | 21°C (70°F) | 4 mm (0.2 inches) | 78% | very high |
August Weather | 20°C (69°F) | 9 mm (0.4 inches) | 67% | very high |
September Weather | 16°C (61°F) | 44 mm (1.7 inches) | 66% | very high |
October Weather | 10°C (51°F) | 51 mm (2.0 inches) | 77% | high |
November Weather | 6°C (43°F) | 94 mm (3.7 inches) | 87% | moderate |
December Weather | 3°C (37°F) | 106 mm (4.2 inches) | 87% | low |