Phoenix Weather in July
United States · Hot Desert climate · Data averaged from 2020-01-01 to 2024-12-31 (5 years)
July in Phoenix sees average temperatures ranging from a low of 29.6°C (85.3°F) to a high of 41.7°C (107.1°F), with a mean of 36.0°C (96.8°F). Compared to the annual average of 23.8°C (74.8°F), this month is 12.2°C warmer than the yearly norm. This is the hottest month of the year, reaching 41.7°C (107.1°F) on average. Precipitation averages 71.5mm, making it approximately 47.0mm wetter than the monthly average of 24.0mm. This is the wettest month of the year, with 71.5mm of precipitation and around 6.6 rainy days. The city receives an average of 12.1 hours of sunshine per day during July, with relative humidity averaging 29.9%. Wind speeds reach an average maximum of 21.8 km/h. For travelers, this month offers a hottest month of the year experience in Phoenix, with wetter-than-average conditions compared to the rest of the year.
Phoenix's hot desert climate is one of the most extreme in the United States. I've studied the summer data and found that temperatures regularly exceed 40°C from June to August. The best time for visiting is November to March, when daytime temperatures are pleasant and the city's outdoor attractions are accessible. The winter months are mild and sunny, making Phoenix a popular winter destination.
July vs Adjacent Months
| Metric | June | July | August |
|---|---|---|---|
| Mean Temp | 33.7°C (92.7°F) | 36.0°C (96.8°F) | 34.4°C (93.9°F) |
| Rainfall | 2.2mm | 71.5mm | 45.2mm |
| Sunshine | 13.0 hrs | 12.1 hrs | 12.0 hrs |
| Humidity | 16.6% | 29.9% | 36.2% |
| Wind | 21.6 km/h | 21.8 km/h | 20.0 km/h |
| Rainy Days | 1.4 | 6.6 | 7.4 |
Seasonal Context
July falls in Summer in the Northern Hemisphere. Summer brings the warmest conditions of the year with the longest daylight hours. For travelers visiting Phoenix in July, the data indicates mixed conditions based on the combination of temperature, precipitation, and daylight hours.
Frequently Asked Questions
What is the average temperature in Phoenix in July?
The average temperature in Phoenix during July ranges from 29.6°C (85.3°F) to 41.7°C (107.1°F), with a mean of 36.0°C (96.8°F).
How much does it rain in Phoenix in July?
Phoenix receives an average of 71.5mm of precipitation in July, spread across approximately 6.6 rainy days. This is the wettest month of the year.
What should I pack for Phoenix in July?
Based on July weather data, pack lightweight, breathable clothing, sunscreen, and a hat.
Is July a good time to visit Phoenix?
July is a month with challenging conditions. Plan activities carefully and stay hydrated.
Other Months for Phoenix
Cities with Similar July Climate (Hot Desert)
Data Source: Open-Meteo historical archive (2020-01-01 to 2024-12-31). Daily measurements aggregated into monthly climate normals. Coordinates: 33.45°, -112.07°. Timezone: America/Phoenix. Last updated: 2026-07-30.