Maricopa Climate by Month
Maricopa, Arizona, United States
Very hot summers and cool winters, with little rain.
Maricopa has very hot summers and cool winters, with little rain. Afternoon highs range from 67°F (20°C) in December to 105°F (41°C) in July, and December nights average 38°F (3°C). It gets only 6.7 in (170 mm) of rain a year. April to June are almost completely dry. The air is dry, averaging 35% relative humidity.
- Warmest month
- 105°F(41°C)
- Average high, July
- Coldest nights
- 38°F(3°C)
- Average low, December
- Rain per year
- 6.7 in(170 mm)
- No clear rainy season
- Humidity
- 35%
- Sunniest: June
Best and worst months in Maricopa
Best for weatherThe most comfortable weather comes in March and November, with highs around 77°F (25°C) and almost no rain.
Least pleasantJuly and August are the least pleasant; July is the hottest, with highs of 105°F (41°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)
Maricopa weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 68°F(20°C) | 39°F(4°C) | 0.6 in(16 mm) | 43% | 3.1 |
| FebFebruary | 71°F(22°C) | 42°F(6°C) | 0.7 in(18 mm) | 45% | 3.9 |
| MarMarchBest | 78°F(26°C) | 47°F(8°C) | 0.6 in(15 mm) | 36% | 5.4 |
| AprApril | 85°F(30°C) | 52°F(11°C) | 0.2 in(5 mm) | 29% | 6.7 |
| MayMay | 94°F(34°C) | 61°F(16°C) | 0.1 in(2 mm) | 22% | 7.6 |
| JunJune | 103°F(40°C) | 69°F(21°C) | 0.1 in(3 mm) | 21% | 8.0 |
| JulJuly | 105°F(41°C) | 77°F(25°C) | 1.0 in(25 mm) | 32% | 7.0 |
| AugAugust | 104°F(40°C) | 77°F(25°C) | 0.9 in(23 mm) | 35% | 6.3 |
| SepSeptember | 99°F(37°C) | 70°F(21°C) | 0.6 in(15 mm) | 35% | 5.7 |
| OctOctober | 89°F(32°C) | 56°F(14°C) | 0.6 in(15 mm) | 33% | 4.8 |
| NovNovemberBest | 77°F(25°C) | 45°F(7°C) | 0.5 in(13 mm) | 38% | 3.6 |
| DecDecember | 67°F(20°C) | 38°F(3°C) | 0.8 in(20 mm) | 45% | 2.9 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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