Scottsdale Climate by Month
Scottsdale, Arizona, United States
Very hot summers and cool winters, with little rain.
Scottsdale has very hot summers and cool winters, with little rain. Expect highs of 105°F (41°C) in July and 68°F (20°C) in December, with the coldest nights (December) near 40°F (5°C). It gets only 8.1 in (206 mm) of rain a year. April to June are almost completely dry. The air is dry, averaging 32% relative humidity.
- Warmest month
- 105°F(41°C)
- Average high, July
- Coldest nights
- 40°F(5°C)
- Average low, December
- Rain per year
- 8.1 in(206 mm)
- No clear rainy season
- Humidity
- 32%
- Sunniest: June
Best and worst months in Scottsdale
Best for weatherThe most comfortable weather comes in February, March and November, with highs around 76°F (24°C) and about 0.8 in (21 mm) of rain a month.
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)
Scottsdale weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 69°F(20°C) | 41°F(5°C) | 0.9 in(22 mm) | 41% | 3.1 |
| FebFebruaryBest | 72°F(22°C) | 44°F(7°C) | 1.0 in(25 mm) | 43% | 3.9 |
| MarMarchBest | 78°F(26°C) | 48°F(9°C) | 0.9 in(23 mm) | 35% | 5.4 |
| AprApril | 86°F(30°C) | 54°F(12°C) | 0.3 in(7 mm) | 24% | 6.8 |
| MayMay | 94°F(35°C) | 62°F(17°C) | 0.2 in(4 mm) | 21% | 7.7 |
| JunJune | 103°F(39°C) | 71°F(22°C) | 0.1 in(2 mm) | 18% | 8.0 |
| JulJuly | 105°F(41°C) | 78°F(25°C) | 0.9 in(22 mm) | 30% | 7.0 |
| AugAugust | 104°F(40°C) | 77°F(25°C) | 1.0 in(25 mm) | 35% | 6.3 |
| SepSeptember | 100°F(38°C) | 71°F(22°C) | 0.7 in(17 mm) | 31% | 5.8 |
| OctOctober | 90°F(32°C) | 59°F(15°C) | 0.7 in(17 mm) | 31% | 4.8 |
| NovNovemberBest | 78°F(25°C) | 47°F(8°C) | 0.6 in(16 mm) | 31% | 3.5 |
| DecDecember | 68°F(20°C) | 40°F(5°C) | 1.0 in(26 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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