Scottsdale weather in December: Scottsdale, Arizona: normal highs, lows, rain and records for December
Scottsdale in December has a normal high of 65°F and a normal low of 43°F, a daily mean of 54°F, falling from 67°F on the 1st to 65°F by the 31st. Measurable precipitation falls on 5 days in a normal December, 0.99 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 18°C and low of 6°C, 25 mm of precipitation in December.
- NOAA stationScottsdale Municipal Airport
- Station IDUSW00003192
- Location33.62°N 111.91°W
- Elevation1,473 ft (449 m)
- Population246,170
- Jan 67° 43°
- Feb 69° 46°
- Mar 76° 52°
- Apr 83° 58°
- May 92° 67°
- Jun 102° 76°
- Jul 104° 83°
- Aug 103° 82°
- Sep 98° 75°
- Oct 87° 63°
- Nov 75° 51°
- Dec 65° 43°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Scottsdale in December?
The normal high is 65°F and the normal low 43°F, for a daily mean of 53.6°F. December is 9.1°F cooler than November and 1.3°F cooler than January. December is the 12th warmest month of the year in Scottsdale and the 4th wettest. Across the month the normal high falls 2°F, from 67°F on December 1 to 65°F on December 31. From one year to the next December's mean temperature typically moves about 2.0°F either way (NOAA's standard deviation), so roughly two Decembers in three average between 52°F and 56°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 15%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| December 1 | 67°F | 45°F | 11% | 6% |
| December 8 | 65°F | 43°F | 13% | 8% |
| December 15 | 64°F | 42°F | 14% | 9% |
| December 22 | 64°F | 42°F | 15% | 9% |
| December 31 | 65°F | 42°F | 15% | 8% |
Every day of December: normal high, low and chance of precipitation (warmest afternoon December 1, coldest night December 18)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| December 1 | 67°F | 45°F | 11% | 6% | 10 h 10 min |
| December 2 | 67°F | 44°F | 11% | 7% | 10 h 10 min |
| December 3 | 67°F | 44°F | 11% | 7% | 10 h |
| December 4 | 66°F | 44°F | 12% | 7% | 10 h |
| December 5 | 66°F | 44°F | 12% | 7% | 10 h |
| December 6 | 66°F | 43°F | 12% | 7% | 10 h |
| December 7 | 65°F | 43°F | 12% | 7% | 10 h |
| December 8 | 65°F | 43°F | 13% | 8% | 10 h |
| December 9 | 65°F | 43°F | 13% | 8% | 10 h |
| December 10 | 65°F | 43°F | 13% | 8% | 10 h |
| December 11 | 64°F | 43°F | 13% | 8% | 10 h |
| December 12 | 64°F | 42°F | 13% | 8% | 10 h |
| December 13 | 64°F | 42°F | 14% | 8% | 10 h |
| December 14 | 64°F | 42°F | 14% | 8% | 10 h |
| December 15 | 64°F | 42°F | 14% | 9% | 10 h |
| December 16 | 64°F | 42°F | 14% | 9% | 10 h |
| December 17 | 64°F | 42°F | 14% | 9% | 10 h |
| December 18 | 64°F | 42°F | 14% | 9% | 10 h |
| December 19 | 64°F | 42°F | 14% | 9% | 10 h |
| December 20 | 64°F | 42°F | 15% | 9% | 10 h |
| December 21 | 64°F | 42°F | 15% | 9% | 10 h |
| December 22 | 64°F | 42°F | 15% | 9% | 10 h |
| December 23 | 64°F | 42°F | 15% | 9% | 10 h |
| December 24 | 64°F | 42°F | 15% | 9% | 10 h |
| December 25 | 64°F | 42°F | 15% | 9% | 10 h |
| December 26 | 64°F | 42°F | 15% | 9% | 10 h |
| December 27 | 64°F | 42°F | 15% | 9% | 10 h |
| December 28 | 64°F | 42°F | 15% | 9% | 10 h |
| December 29 | 64°F | 42°F | 15% | 8% | 10 h |
| December 30 | 65°F | 42°F | 15% | 8% | 10 h |
| December 31 | 65°F | 42°F | 15% | 8% | 10 h |
- Normal high
- 65°FDecember average
- Normal low
- 43°FDecember average
- Precipitation
- 0.99 inmonth total
- Days with precipitation
- 50.01 inch or more
- Nights at 32°F or colder
- 1
- Daylight
- 10 h 10 min to 10 hDecember 1 to December 31
- Days at 70°F or more
- 9
- Sunshine
- 84%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00003192; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Scottsdale in December?
On a given December day the chance of 0.01 inch or more is 14% on average, highest around December 22 (15%). In all, 0.99 in falls on 5 days of a normal December.
In a normal December in Scottsdale, 1 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00003192.
What are the records for December in Scottsdale?
The warmest December temperature on this station's record (since 2000) is 83°F, on December 1, 2021; the coldest is 28°F, on December 29, 2003. The wettest December brought 2.29 in (2021).
The December mean against the 1991-2020 normal of 53.6°F: 2021 57.4°F (+3.8), 2022 53.7°F (+0.1), 2023 57.4°F (+3.8), 2024 59.6°F (+6.0), 2025 60.5°F (+6.9). 5 of 5 ran warmer than normal.
| December | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 57.4°F | +3.8°F | 2.29 in |
| 2022 | 53.7°F | +0.1°F | 1.83 in |
| 2023 | 57.4°F | +3.8°F | 0.88 in |
| 2024 | 59.6°F | +6.0°F | 0.00 in |
| 2025 | 60.5°F | +6.9°F | 0.08 in |
Source: records: ACIS, station USW00003192; recent months: ACIS, station USW00003192. Records and recent months use complete months only.
How does December in Scottsdale compare across Arizona?
Across the 97 places PlainClimate covers in Arizona, December normal highs run from 41°F in Lukachukai to 70°F in Gila Bend; Scottsdale's is 65°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.