Phoenix month by month
Plan your visit to Phoenix by month. Compare weather, crowds, events, and prices across all twelve months with historical climate data.
- January
- High
- 18°C
- Low
- 5°C
- Rain
- 32 mm
January is the reason Phoenix works as a winter destination. While cities like Chicago and Minneapolis sit below freezing, the Valley of the Sun delivers daytime highs around 18°C…
- February
- High
- 21°C
- Low
- 8°C
- Rain
- 18 mm
February in Phoenix is snowbird season at full tilt. While Minneapolis sits under 30 cm of snow and Chicago fights single-digit wind chills, Phoenix averages 21°C (70°F) under…
- March
- High
- 24°C
- Low
- 10°C
- Rain
- 36 mm
March is Phoenix's victory lap. The Sonoran Desert sits at a near-perfect 24°C (74°F) during the day, lows dip to a comfortable 10°C (49°F) at night, and the humidity hovers around…
- April
- High
- 30°C
- Low
- 15°C
- Rain
- 2 mm
April is likely the last comfortable month to visit Phoenix before the Sonoran Desert heat takes over. Daytime temperatures average around 30°C (87°F), which feels warm but…
- May
- High
- 35°C
- Low
- 20°C
- Rain
- 2 mm
May in Phoenix is when the desert reminds you it's a desert. Average highs reach 34.8°C (95°F) with lows around 20.1°C (68°F), and the thermometer will likely hit 38°C (100°F) at…
- June
- High
- 41°C
- Low
- 26°C
- Rain
- 7 mm
June in Phoenix is brutal. There is no gentler way to put it. The average high reaches 40.5°C (105°F), and on the worst days temperatures push past 46°C (115°F). The sun feels…
- July
- High
- 42°C
- Low
- 29°C
- Rain
- 74 mm
July in Phoenix is dangerously hot. There's no gentle way to put it. The average high sits at 41.4°C (107°F), and temperatures above 46°C (115°F) are not unusual. The pavement on…
- August
- High
- 40°C
- Low
- 28°C
- Rain
- 51 mm
August in Phoenix is dangerously hot. That is the single most important thing to know. Daytime highs average 40.1°C (104°F), and the city regularly hits 43°C (110°F) or higher…
- September
- High
- 38°C
- Low
- 25°C
- Rain
- 38 mm
September in Phoenix still averages 37.8°C (100°F) in the afternoon. That single fact should drive your entire decision. The city is technically cooling from its July peak of 41°C…
- October
- High
- 32°C
- Low
- 18°C
- Rain
- 35 mm
October is the month Phoenix exhales. After 4 to 5 months of punishing heat that keeps daytime highs above 38°C (100°F), the average high drops to around 32°C (89°F) and evenings…
- November
- High
- 25°C
- Low
- 11°C
- Rain
- 19 mm
November is when Phoenix finally exhales. After five months of temperatures that regularly topped 38°C (100°F), the city drops to a comfortable average high of 24.5°C (76°F) and an…
- December
- High
- 20°C
- Low
- 8°C
- Rain
- 36 mm
December in Phoenix feels like a different city from the one that hits 41°C (106°F) in July. Daytime temperatures settle around 20°C (68°F) with crisp, dry nights dropping to about…