Best Time to Visit Phoenix
United States · Hot Desert climate · Data averaged from 2020-01-01 to 2024-12-31 (5 years)
Recommended Months
Based on temperature comfort, low precipitation, and sunshine hours, the best time to visit Phoenix is:
April → May → October
April scores 95/100 — the highest-rated month for travel.
Monthly Ratings (0-100)
Scores are weighted: temperature comfort (50%), low precipitation (30%), sunshine (20%). Higher is better.
| Month | Overall Score | Temp Comfort | Precipitation | Sunshine | Bar |
|---|---|---|---|---|---|
| January | 23 | 42 | 7 | 0 | |
| February | 31 | 52 | 18 | 0 | |
| March | 34 | 68 | 0 | 0 | |
| April | 78 | 98 | 95 | 0 | |
| May | 66 | 72 | 99 | 0 | |
| June | 51 | 46 | 93 | 0 | |
| July | 18 | 35 | 0 | 0 | |
| August | 22 | 43 | 0 | 0 | |
| September | 42 | 56 | 45 | 0 | |
| October | 66 | 88 | 71 | 0 | |
| November | 61 | 73 | 82 | 0 | |
| December | 25 | 50 | 0 | 0 |
Monthly Temperature Comfort
| Month | Mean Temp | Comfort Level |
|---|---|---|
| January | 11.4°C (52.5°F) | Mild (10-17°C) |
| February | 13.4°C (56.1°F) | Mild (10-17°C) |
| March | 16.5°C (61.7°F) | Mild (10-17°C) |
| April | 23.4°C (74.1°F) | Warm (18-24°C) |
| May | 28.6°C (83.5°F) | Hot (25-29°C) |
| June | 33.7°C (92.7°F) | Very Hot (30°C+) |
| July | 36.0°C (96.8°F) | Very Hot (30°C+) |
| August | 34.4°C (93.9°F) | Very Hot (30°C+) |
| September | 31.8°C (89.2°F) | Very Hot (30°C+) |
| October | 25.3°C (77.5°F) | Hot (25-29°C) |
| November | 17.6°C (63.7°F) | Mild (10-17°C) |
| December | 13.0°C (55.4°F) | Mild (10-17°C) |
Monthly Precipitation Rating
| Month | Rainfall (mm) | Rainy Days | Rating |
|---|---|---|---|
| January | 31.0 mm | 6.2 | Moderate |
| February | 27.3 mm | 3.8 | Dry |
| March | 45.5 mm | 7.4 | Moderate |
| April | 1.6 mm | 0.8 | Dry |
| May | 0.2 mm | 0.2 | Dry |
| June | 2.2 mm | 1.4 | Dry |
| July | 71.5 mm | 6.6 | Wet |
| August | 45.2 mm | 7.4 | Moderate |
| September | 18.3 mm | 3.6 | Dry |
| October | 9.7 mm | 2.2 | Dry |
| November | 6.1 mm | 2.8 | Dry |
| December | 35.2 mm | 5.0 | Moderate |
Monthly Sunshine Rating
| Month | Sunshine (hrs/day) | Rating |
|---|---|---|
| January | 8.5 hrs | Excellent |
| February | 9.8 hrs | Excellent |
| March | 10.3 hrs | Excellent |
| April | 12.5 hrs | Excellent |
| May | 12.9 hrs | Excellent |
| June | 13.0 hrs | Excellent |
| July | 12.1 hrs | Excellent |
| August | 12.0 hrs | Excellent |
| September | 11.4 hrs | Excellent |
| October | 10.6 hrs | Excellent |
| November | 9.4 hrs | Excellent |
| December | 8.3 hrs | Excellent |
Season-by-Season Breakdown
Spring (Mar-May)
Temperature: 22.8°C (73.0°F)
Rainfall: 15.8mm avg
Sunshine: 11.9 hrs/day
Humidity: 26.6%
Rainy Days: 2.8/mo
This is the warm season. Ideal for outdoor activities but be prepared for heat.
Summer (Jun-Aug)
Temperature: 34.7°C (94.5°F)
Rainfall: 39.6mm avg
Sunshine: 12.4 hrs/day
Humidity: 27.6%
Rainy Days: 5.1/mo
This is the warm season. Ideal for outdoor activities but be prepared for heat.
Autumn (Sep-Nov)
Temperature: 24.9°C (76.8°F)
Rainfall: 11.4mm avg
Sunshine: 10.5 hrs/day
Humidity: 30.1%
Rainy Days: 2.9/mo
This is the warm season. Ideal for outdoor activities but be prepared for heat.
Winter (Dec-Feb)
Temperature: 12.6°C (54.7°F)
Rainfall: 31.2mm avg
Sunshine: 8.9 hrs/day
Humidity: 48.8%
Rainy Days: 5.0/mo
Mild transitional weather — comfortable for most activities.
Frequently Asked Questions
What is the best time to visit Phoenix?
Based on our data-driven analysis, the best months to visit Phoenix are April, May, October, when temperatures are comfortable, rainfall is lower, and sunshine is plentiful. April scores 95/100, the highest-rated month.
What is the hottest month in Phoenix?
July is the hottest month with an average temperature of 36.0°C (96.8°F).
What is the coldest month in Phoenix?
January is the coldest month with an average temperature of 11.4°C (52.5°F).
When is the rainy season in Phoenix?
July is the wettest month with an average of 71.5mm of precipitation. Phoenix experiences about 47.0 rainy days per year. The driest month is May with 0.2mm.
What should I pack for a trip to Phoenix?
Packing recommendations depend on the season of your visit. Based on the climate data, pack lightweight, breathable clothing if visiting during the warm months (July is hottest at 36.0°C). For cooler months, bring layers and a warm jacket (January averages 11.4°C). A waterproof jacket or umbrella is recommended year-round as Phoenix receives 294.0mm of annual precipitation. Sun protection is important, especially during months with high UV index.
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.
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.