Phoenix Weather by Month
Twelve months of Phoenix, United States weather — averages from 2006–2025.
Phoenix's warmest month is July (average high 40.9°C (105.6°F)) and the coolest is December (18.4°C (65.1°F)). The most rain falls in July (about 35 mm), and June is the driest (about 4 mm). June is the sunniest, with about 13.4 hours of sunshine a day.
Best months to visit Phoenix
Ranked within Phoenix's own year by temperature comfort, rainy days and sunshine — historical averages, not a forecast.
Phoenix month by month
January
GreatHigh 18.7°C (65.7°F)
Low 5°C (41°F)
- Rainfall
- 31 mm (1.2 in)
- Rainy days
- 3 rainy days
- Sunshine
- 8.8 h sunshine / day
February
GreatHigh 21.1°C (70°F)
Low 6.7°C (44.1°F)
- Rainfall
- 23 mm (0.9 in)
- Rainy days
- 3 rainy days
- Sunshine
- 9.8 h sunshine / day
March
GreatHigh 25.2°C (77.4°F)
Low 10.1°C (50.2°F)
- Rainfall
- 24 mm (0.9 in)
- Rainy days
- 3 rainy days
- Sunshine
- 10.8 h sunshine / day
April
GreatHigh 30°C (86°F)
Low 14.6°C (58.3°F)
- Rainfall
- 4 mm (0.2 in)
- Rainy days
- 1 rainy days
- Sunshine
- 12.4 h sunshine / day
May
GoodHigh 34.2°C (93.6°F)
Low 19.4°C (66.9°F)
- Rainfall
- 4 mm (0.2 in)
- Rainy days
- 1 rainy days
- Sunshine
- 12.9 h sunshine / day
June
FairHigh 40.4°C (104.7°F)
Low 25.3°C (77.5°F)
- Rainfall
- 4 mm (0.1 in)
- Rainy days
- 1 rainy days
- Sunshine
- 13.4 h sunshine / day
July
FairHigh 40.9°C (105.6°F)
Low 28.9°C (84°F)
- Rainfall
- 35 mm (1.4 in)
- Rainy days
- 5 rainy days
- Sunshine
- 12.4 h sunshine / day
August
FairHigh 40°C (104°F)
Low 28.1°C (82.6°F)
- Rainfall
- 30 mm (1.2 in)
- Rainy days
- 4 rainy days
- Sunshine
- 12.4 h sunshine / day
September
FairHigh 37.3°C (99.1°F)
Low 24.3°C (75.7°F)
- Rainfall
- 27 mm (1.1 in)
- Rainy days
- 3 rainy days
- Sunshine
- 11.5 h sunshine / day
October
GreatHigh 31.3°C (88.3°F)
Low 16.9°C (62.4°F)
- Rainfall
- 24 mm (0.9 in)
- Rainy days
- 2 rainy days
- Sunshine
- 10.6 h sunshine / day
November
GreatHigh 24.7°C (76.5°F)
Low 10.5°C (50.9°F)
- Rainfall
- 19 mm (0.7 in)
- Rainy days
- 2 rainy days
- Sunshine
- 9.5 h sunshine / day
December
GreatHigh 18.4°C (65.1°F)
Low 5.8°C (42.4°F)
- Rainfall
- 32 mm (1.3 in)
- Rainy days
- 4 rainy days
- Sunshine
- 8.4 h sunshine / day
Phoenix Climate & Weather Guide
Temperature, rainfall and sunshine through the year — 2006–2025 averages.
40.9°C (105.6°F)
Hottest month avg high
18.4°C (65.1°F)
Coolest month avg high
35mm
Wettest month avg
4mm
Driest month avg
Temperature by Month
Rainfall by Month
Sunshine Hours
Monthly Averages
| Month | Avg High | Avg Low | Rainfall | Rainy Days | Sunshine |
|---|---|---|---|---|---|
| Jan | 18.7°C (65.7°F) | 5°C (41°F) | 30.5mm | 3 | 8.8h |
| Feb | 21.1°C (70°F) | 6.7°C (44.1°F) | 22.8mm | 3 | 9.8h |
| Mar | 25.2°C (77.4°F) | 10.1°C (50.2°F) | 23.6mm | 3 | 10.8h |
| Apr | 30°C (86°F) | 14.6°C (58.3°F) | 3.9mm | 1 | 12.4h |
| May | 34.2°C (93.6°F) | 19.4°C (66.9°F) | 4.3mm | 1 | 12.9h |
| Jun | 40.4°C (104.7°F) | 25.3°C (77.5°F) | 3.6mm | 1 | 13.4h |
What to Pack
Suggested packing for Phoenix's climate.
Versatile Layers
Light layers that work for both mild afternoons and cooler evenings.
Sun Protection
Sunscreen, a wide-brimmed hat and sunglasses for hot, sunny days.
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Use our Trip PlannerBased on 20 years of historical weather data (2006–2025) from Open-Meteo. Monthly averages, not a forecast.