Peoria, Arizona Climate by Month
Peoria, Arizona, United States
Very hot summers and cool winters, with little rain.
The climate in Peoria is one of very hot summers and cool winters, with little rain. July is the warmest month, with highs around 107°F (42°C); December is the coolest at 68°F (20°C), and nights dip to 41°F (5°C). It gets only 7.0 in (178 mm) of rain a year. April to June are almost completely dry. The air is dry, averaging 31% relative humidity.
- Warmest month
- 107°F(42°C)
- Average high, July
- Coldest nights
- 41°F(5°C)
- Average low, December
- Rain per year
- 7.0 in(178 mm)
- No clear rainy season
- Humidity
- 31%
- Sunniest: June
Best and worst months in Peoria
Best for weatherThe most comfortable weather comes in February, March and November, with highs around 77°F (25°C) and about 0.7 in (18 mm) of rain a month.
Least pleasantJuly and August are the least pleasant; July is the hottest, with highs of 107°F (42°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in November.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Peoria weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 69°F(21°C) | 42°F(6°C) | 0.7 in(18 mm) | 40% | 3.1 |
| FebFebruaryBest | 73°F(23°C) | 44°F(7°C) | 0.9 in(22 mm) | 42% | 3.9 |
| MarMarchBest | 79°F(26°C) | 49°F(10°C) | 0.7 in(19 mm) | 34% | 5.4 |
| AprApril | 87°F(31°C) | 55°F(13°C) | 0.2 in(4 mm) | 23% | 6.7 |
| MayMay | 96°F(35°C) | 64°F(18°C) | 0.1 in(3 mm) | 20% | 7.6 |
| JunJune | 105°F(41°C) | 73°F(23°C) | 0.1 in(2 mm) | 17% | 8.0 |
| JulJuly | 107°F(42°C) | 79°F(26°C) | 0.8 in(20 mm) | 28% | 7.0 |
| AugAugust | 106°F(41°C) | 79°F(26°C) | 0.9 in(23 mm) | 33% | 6.3 |
| SepSeptember | 101°F(38°C) | 72°F(22°C) | 0.6 in(16 mm) | 30% | 5.8 |
| OctOctober | 91°F(33°C) | 60°F(15°C) | 0.6 in(15 mm) | 30% | 4.8 |
| NovNovemberBest | 78°F(26°C) | 48°F(9°C) | 0.6 in(14 mm) | 36% | 3.6 |
| DecDecember | 68°F(20°C) | 41°F(5°C) | 0.9 in(22 mm) | 42% | 2.9 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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