Tempe weather in December: Tempe, Arizona: normal highs, lows, rain and records for December
Tempe in December has a normal high of 69°F and a normal low of 38°F, a daily mean of 54°F, falling from 72°F on the 1st to 69°F by the 31st. Measurable precipitation falls on 4 days in a normal December, 0.95 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 21°C and low of 3°C, 24 mm of precipitation in December.
- NOAA stationTempe ASU
- Station IDUSC00028499
- Location33.43°N 111.92°W
- Elevation1,167 ft (356 m)
- From the center3 miles
- Population190,114
- Jan 71° 39°
- Feb 74° 41°
- Mar 80° 46°
- Apr 87° 51°
- May 95° 59°
- Jun 104° 67°
- Jul 106° 76°
- Aug 105° 75°
- Sep 101° 69°
- Oct 91° 56°
- Nov 79° 45°
- Dec 69° 38°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Tempe in December?
The normal high is 69°F and the normal low 38°F, for a daily mean of 53.5°F. December is 8.5°F cooler than November and 1.0°F cooler than January. December is the 12th warmest month of the year in Tempe and the 6th wettest. Across the month the normal high falls 3°F, from 72°F on December 1 to 69°F on December 31. From one year to the next December's mean temperature typically moves about 2.3°F either way (NOAA's standard deviation), so roughly two Decembers in three average between 51°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 13%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| December 1 | 72°F | 40°F | 9% | 6% |
| December 8 | 70°F | 38°F | 11% | 6% |
| December 15 | 69°F | 37°F | 12% | 7% |
| December 22 | 68°F | 37°F | 12% | 7% |
| December 31 | 69°F | 37°F | 13% | 8% |
Every day of December: normal high, low and chance of precipitation (warmest afternoon December 1, coldest night December 21)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| December 1 | 72°F | 40°F | 9% | 6% | 10 h 10 min |
| December 2 | 72°F | 40°F | 10% | 6% | 10 h 10 min |
| December 3 | 72°F | 39°F | 10% | 6% | 10 h 10 min |
| December 4 | 71°F | 39°F | 10% | 6% | 10 h |
| December 5 | 71°F | 39°F | 10% | 6% | 10 h |
| December 6 | 71°F | 39°F | 10% | 6% | 10 h |
| December 7 | 70°F | 38°F | 10% | 6% | 10 h |
| December 8 | 70°F | 38°F | 11% | 6% | 10 h |
| December 9 | 70°F | 38°F | 11% | 6% | 10 h |
| December 10 | 70°F | 38°F | 11% | 7% | 10 h |
| December 11 | 69°F | 38°F | 11% | 7% | 10 h |
| December 12 | 69°F | 38°F | 11% | 7% | 10 h |
| December 13 | 69°F | 37°F | 11% | 7% | 10 h |
| December 14 | 69°F | 37°F | 11% | 7% | 10 h |
| December 15 | 69°F | 37°F | 12% | 7% | 10 h |
| December 16 | 69°F | 37°F | 12% | 7% | 10 h |
| December 17 | 69°F | 37°F | 12% | 7% | 10 h |
| December 18 | 68°F | 37°F | 12% | 7% | 10 h |
| December 19 | 68°F | 37°F | 12% | 7% | 10 h |
| December 20 | 68°F | 37°F | 12% | 7% | 10 h |
| December 21 | 68°F | 37°F | 12% | 7% | 10 h |
| December 22 | 68°F | 37°F | 12% | 7% | 10 h |
| December 23 | 68°F | 37°F | 12% | 8% | 10 h |
| December 24 | 68°F | 37°F | 12% | 8% | 10 h |
| December 25 | 68°F | 37°F | 12% | 8% | 10 h |
| December 26 | 68°F | 37°F | 12% | 8% | 10 h |
| December 27 | 69°F | 37°F | 12% | 8% | 10 h |
| December 28 | 69°F | 37°F | 13% | 8% | 10 h |
| December 29 | 69°F | 37°F | 13% | 8% | 10 h |
| December 30 | 69°F | 37°F | 13% | 8% | 10 h |
| December 31 | 69°F | 37°F | 13% | 8% | 10 h |
- Normal high
- 69°FDecember average
- Normal low
- 38°FDecember average
- Precipitation
- 0.95 inmonth total
- Days with precipitation
- 40.01 inch or more
- Nights at 32°F or colder
- 4
- Daylight
- 10 h 10 min to 10 hDecember 1 to December 31
- Days at 70°F or more
- 15
- Days at 80°F or more
- 2
- Sunshine
- 84%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00028499; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Tempe in December?
On a given December day the chance of 0.01 inch or more is 11% on average, highest around December 31 (13%). In all, 0.95 in falls on 4 days of a normal December.
In a normal December in Tempe, 4 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00028499.
What are the records for December in Tempe?
The warmest December temperature on this station's record (since 1948) is 87°F, on December 11, 1950; the coldest is 20°F, on December 28, 1954. The wettest December brought 4.66 in (1965).
Source: records: ACIS, station USC00028499. Records and recent months use complete months only.
How does December in Tempe 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; Tempe's is 69°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.