Sierra Vista weather in December: Sierra Vista, Arizona: normal highs, lows, rain and records for December
Sierra Vista in December has a normal high of 62°F and a normal low of 30°F, a daily mean of 46°F, falling from 65°F on the 1st to 60°F by the 31st. Measurable precipitation falls on 3 days in a normal December, 0.85 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 16°C and low of −1°C, 22 mm of precipitation in December.
- NOAA stationSierra Vista
- Station IDUSC00027880
- Location31.54°N 110.28°W
- Elevation4,606 ft (1,404 m)
- Population44,710
- Jan 61° 30°
- Feb 64° 33°
- Mar 71° 38°
- Apr 78° 43°
- May 85° 50°
- Jun 94° 60°
- Jul 92° 63°
- Aug 90° 62°
- Sep 87° 57°
- Oct 80° 47°
- Nov 70° 37°
- Dec 62° 30°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Sierra Vista in December?
The normal high is 62°F and the normal low 30°F, for a daily mean of 45.6°F. December is 7.8°F cooler than November and 0.2°F warmer than January. December is the 11th warmest month of the year in Sierra Vista and the 4th wettest. Across the month the normal high falls 5°F, from 65°F on December 1 to 60°F on December 31. From one year to the next December's mean temperature typically moves about 2.1°F either way (NOAA's standard deviation), so roughly two Decembers in three average between 44°F and 48°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 11%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| December 1 | 65°F | 32°F | 10% | 6% |
| December 8 | 63°F | 30°F | 10% | 7% |
| December 15 | 61°F | 29°F | 11% | 7% |
| December 22 | 61°F | 29°F | 11% | 7% |
| December 31 | 60°F | 29°F | 11% | 8% |
Every day of December: normal high, low and chance of precipitation (warmest afternoon December 1, coldest night December 24)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| December 1 | 65°F | 32°F | 10% | 6% | 10 h 20 min |
| December 2 | 64°F | 32°F | 10% | 6% | 10 h 10 min |
| December 3 | 64°F | 31°F | 10% | 6% | 10 h 10 min |
| December 4 | 64°F | 31°F | 10% | 6% | 10 h 10 min |
| December 5 | 63°F | 31°F | 10% | 7% | 10 h 10 min |
| December 6 | 63°F | 31°F | 10% | 7% | 10 h 10 min |
| December 7 | 63°F | 30°F | 10% | 7% | 10 h 10 min |
| December 8 | 63°F | 30°F | 10% | 7% | 10 h 10 min |
| December 9 | 62°F | 30°F | 11% | 7% | 10 h 10 min |
| December 10 | 62°F | 30°F | 11% | 7% | 10 h 10 min |
| December 11 | 62°F | 30°F | 11% | 7% | 10 h 10 min |
| December 12 | 62°F | 30°F | 11% | 7% | 10 h 10 min |
| December 13 | 62°F | 29°F | 11% | 7% | 10 h 10 min |
| December 14 | 62°F | 29°F | 11% | 7% | 10 h 10 min |
| December 15 | 61°F | 29°F | 11% | 7% | 10 h 10 min |
| December 16 | 61°F | 29°F | 11% | 7% | 10 h 10 min |
| December 17 | 61°F | 29°F | 11% | 7% | 10 h 10 min |
| December 18 | 61°F | 29°F | 11% | 7% | 10 h 10 min |
| December 19 | 61°F | 29°F | 11% | 7% | 10 h 10 min |
| December 20 | 61°F | 29°F | 11% | 7% | 10 h 10 min |
| December 21 | 61°F | 29°F | 11% | 7% | 10 h 10 min |
| December 22 | 61°F | 29°F | 11% | 7% | 10 h 10 min |
| December 23 | 60°F | 29°F | 11% | 7% | 10 h 10 min |
| December 24 | 60°F | 29°F | 11% | 7% | 10 h 10 min |
| December 25 | 60°F | 29°F | 11% | 7% | 10 h 10 min |
| December 26 | 60°F | 29°F | 11% | 7% | 10 h 10 min |
| December 27 | 60°F | 29°F | 11% | 8% | 10 h 10 min |
| December 28 | 60°F | 29°F | 11% | 8% | 10 h 10 min |
| December 29 | 60°F | 29°F | 11% | 8% | 10 h 10 min |
| December 30 | 60°F | 29°F | 11% | 8% | 10 h 10 min |
| December 31 | 60°F | 29°F | 11% | 8% | 10 h 10 min |
- Normal high
- 62°FDecember average
- Normal low
- 30°FDecember average
- Precipitation
- 0.85 inmonth total
- Days with precipitation
- 30.01 inch or more
- Nights at 32°F or colder
- 15
- Daylight
- 10 h 20 min to 10 h 10 minDecember 1 to December 31
- Days at 70°F or more
- 5
- Sunshine
- 87%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00027880; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Sierra Vista in December?
On a given December day the chance of 0.01 inch or more is 11% on average, highest around December 31 (11%). In all, 0.85 in falls on 3 days of a normal December.
In a normal December in Sierra Vista, 15 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00027880.
What are the records for December in Sierra Vista?
The December mean against the 1991-2020 normal of 45.6°F: 2021 49.3°F (+3.7), 2022 45.6°F (at normal), 2024 49.4°F (+3.8). 2 of 3 ran warmer than normal.
| December | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 49.3°F | +3.7°F | 0.66 in |
| 2022 | 45.6°F | at normal | 1.21 in |
| 2024 | 49.4°F | +3.8°F | 0.00 in |
Source: recent months: ACIS, station USC00027880. Records and recent months use complete months only.
How does December in Sierra Vista 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; Sierra Vista's is 62°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Sierra Vista in November70°F by day, 37°F at night
- Sierra Vista in January61°F by day, 30°F at night
- Sierra Vista through the yearEvery month, frost dates, records and recent years
- Arizona in DecemberThe statewide normal and the warmest and coolest places
- Gila Bend: Arizona's warmest Decembernormal high 70°F