Phoenix climate and temperatures

The climate of Phoenix is a hot desert climate (Köppen: BWh), hot and extremely dry. Monthly temperatures range from a minimum of 20°C in winter (December–February) to a maximum of 42°C in summer (June–August). The average annual temperature is around 32°C.

During the winter months, nighttime temperatures can drop to an average of 8°C, while summer nights average around 30°C.

Climate table of Phoenix

The climate table below gives you a clear overview of the climate in Phoenix by month, from average temperatures and rainfall to UV levels. This makes it easy to see when the weather best suits your travel plans.

Best time to visit Phoenix

The best time to visit Phoenix is January, February, March en November. During this period, temperatures are usually pleasant to warm and there is relatively little rainfall. Between January and November, average high temperatures range roughly from 20°C to 26°C, while rainfall remains limited. For a sun or beach holiday, March, April, May, June, July, August, September, October en November are the most suitable months. It is often warm to hot and relatively dry during this time. For a city trip, round trip, or active holiday, January, February, March, November en December are often more comfortable, as it is warm without the heat becoming too intense. The warmest month is July, with an average daytime temperature of around 42°C. The driest month is April, with about 2 mm of rainfall, while August is usually the wettest month of the year, with approximately 26 mm. Snow plays virtually no role in the climate here.

Average temperature per month

This chart shows the average daytime (maximum) and nighttime (minimum) temperatures per month in Phoenix. The figures are based on climate data from recent years and are presented in degrees Celsius, so you can clearly see the temperature range for each month.

Average rainfall per month

This chart shows the average monthly rainfall in Phoenix. The figures are based on long-term climate data and are displayed in millimeters, so you can immediately see which months are drier or wetter.

Average UV index per month

This chart shows the average monthly sun intensity in Phoenix. The UV index ranges from 0 (no UV radiation) to 11+ (extreme). A higher UV index means you can burn more quickly, making proper sun protection increasingly important.

Average annual temperature

This chart shows the average annual temperature in Phoenix based on data from the past ten years. It allows you to see at a glance how the climate is evolving and whether there are clear warming trends.

Average annual rainfall

This chart shows the average annual rainfall in Phoenix over the past ten years. It allows you to see at a glance how much rain falls each year and whether there are clear fluctuations between the years.

Weather experiences in Phoenix

The weather in Phoenix is rated an average of 4.3 out of 5 stars by 8 visitors. Have you been to Phoenix? Share your experience with the weather to help other visitors plan their trip.

Average weather per month

Click on a month below and discover what the weather in Phoenix is typically like. For each period, you can instantly see the average temperature, rainfall, wind, and UV index. Thanks to years of historical weather data, you’ll know exactly what to expect during your trip.

• January
• February
• March
• April
• May
• June
• July
• August
• September
• October
• November
• December